./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/java_Nested-alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16409f95-296a-46ad-a1a9-08a5499f7248/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16409f95-296a-46ad-a1a9-08a5499f7248/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_16409f95-296a-46ad-a1a9-08a5499f7248/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16409f95-296a-46ad-a1a9-08a5499f7248/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/java_Nested-alloca.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16409f95-296a-46ad-a1a9-08a5499f7248/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16409f95-296a-46ad-a1a9-08a5499f7248/bin/uautomizer-verify-aQ6SnzHsRB --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash e23f623e36810418f8259db464ff0229ef2650c877ad54b7024836b278c00de1 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 02:57:53,955 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 02:57:54,014 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16409f95-296a-46ad-a1a9-08a5499f7248/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Termination-64bit-Automizer_Default.epf [2024-11-28 02:57:54,019 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 02:57:54,019 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 02:57:54,045 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 02:57:54,047 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 02:57:54,048 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 02:57:54,048 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 02:57:54,049 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 02:57:54,049 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 02:57:54,051 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 02:57:54,051 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 02:57:54,051 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-28 02:57:54,051 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-28 02:57:54,051 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-28 02:57:54,051 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-28 02:57:54,052 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-28 02:57:54,052 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-28 02:57:54,052 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 02:57:54,052 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-28 02:57:54,053 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 02:57:54,053 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 02:57:54,053 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-28 02:57:54,053 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-28 02:57:54,053 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-28 02:57:54,053 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-28 02:57:54,053 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 02:57:54,054 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-28 02:57:54,054 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 02:57:54,054 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 02:57:54,054 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 02:57:54,054 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:57:54,054 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 02:57:54,054 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL_NO_AM [2024-11-28 02:57:54,056 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-28 02:57:54,056 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_16409f95-296a-46ad-a1a9-08a5499f7248/bin/uautomizer-verify-aQ6SnzHsRB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e23f623e36810418f8259db464ff0229ef2650c877ad54b7024836b278c00de1 [2024-11-28 02:57:54,401 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 02:57:54,413 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 02:57:54,416 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 02:57:54,418 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 02:57:54,418 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 02:57:54,420 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16409f95-296a-46ad-a1a9-08a5499f7248/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/termination-memory-alloca/java_Nested-alloca.i [2024-11-28 02:57:57,341 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16409f95-296a-46ad-a1a9-08a5499f7248/bin/uautomizer-verify-aQ6SnzHsRB/data/6f1f52e67/63eb551003bc4e9bad9bf151745bc674/FLAG7bcb52127 [2024-11-28 02:57:57,685 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 02:57:57,686 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16409f95-296a-46ad-a1a9-08a5499f7248/sv-benchmarks/c/termination-memory-alloca/java_Nested-alloca.i [2024-11-28 02:57:57,699 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16409f95-296a-46ad-a1a9-08a5499f7248/bin/uautomizer-verify-aQ6SnzHsRB/data/6f1f52e67/63eb551003bc4e9bad9bf151745bc674/FLAG7bcb52127 [2024-11-28 02:57:57,715 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16409f95-296a-46ad-a1a9-08a5499f7248/bin/uautomizer-verify-aQ6SnzHsRB/data/6f1f52e67/63eb551003bc4e9bad9bf151745bc674 [2024-11-28 02:57:57,717 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 02:57:57,723 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 02:57:57,724 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 02:57:57,724 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 02:57:57,737 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 02:57:57,737 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:57:57" (1/1) ... [2024-11-28 02:57:57,738 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46c89a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:57:57, skipping insertion in model container [2024-11-28 02:57:57,741 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:57:57" (1/1) ... [2024-11-28 02:57:57,779 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 02:57:58,110 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:57:58,123 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 02:57:58,162 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:57:58,189 INFO L204 MainTranslator]: Completed translation [2024-11-28 02:57:58,189 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:57:58 WrapperNode [2024-11-28 02:57:58,189 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 02:57:58,190 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 02:57:58,191 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 02:57:58,191 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 02:57:58,198 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:57:58" (1/1) ... [2024-11-28 02:57:58,208 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:57:58" (1/1) ... [2024-11-28 02:57:58,226 INFO L138 Inliner]: procedures = 109, calls = 25, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 56 [2024-11-28 02:57:58,226 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 02:57:58,228 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 02:57:58,229 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 02:57:58,229 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 02:57:58,238 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:57:58" (1/1) ... [2024-11-28 02:57:58,239 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:57:58" (1/1) ... [2024-11-28 02:57:58,243 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:57:58" (1/1) ... [2024-11-28 02:57:58,261 INFO L175 MemorySlicer]: Split 14 memory accesses to 3 slices as follows [6, 4, 4]. 43 percent of accesses are in the largest equivalence class. The 0 initializations are split as follows [0, 0, 0]. The 7 writes are split as follows [3, 2, 2]. [2024-11-28 02:57:58,262 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:57:58" (1/1) ... [2024-11-28 02:57:58,262 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:57:58" (1/1) ... [2024-11-28 02:57:58,272 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:57:58" (1/1) ... [2024-11-28 02:57:58,273 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:57:58" (1/1) ... [2024-11-28 02:57:58,283 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:57:58" (1/1) ... [2024-11-28 02:57:58,285 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:57:58" (1/1) ... [2024-11-28 02:57:58,285 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:57:58" (1/1) ... [2024-11-28 02:57:58,287 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 02:57:58,288 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 02:57:58,288 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 02:57:58,288 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 02:57:58,292 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:57:58" (1/1) ... [2024-11-28 02:57:58,303 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:57:58,318 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16409f95-296a-46ad-a1a9-08a5499f7248/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:57:58,334 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16409f95-296a-46ad-a1a9-08a5499f7248/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:57:58,338 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16409f95-296a-46ad-a1a9-08a5499f7248/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-11-28 02:57:58,374 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-28 02:57:58,374 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-28 02:57:58,374 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-28 02:57:58,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-28 02:57:58,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-28 02:57:58,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-28 02:57:58,374 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-28 02:57:58,375 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-28 02:57:58,375 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 02:57:58,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 02:57:58,518 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 02:57:58,520 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 02:57:58,697 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-11-28 02:57:58,697 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 02:57:58,713 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 02:57:58,714 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-28 02:57:58,714 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:57:58 BoogieIcfgContainer [2024-11-28 02:57:58,714 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 02:57:58,715 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-28 02:57:58,716 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-28 02:57:58,722 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-28 02:57:58,723 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-28 02:57:58,723 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 02:57:57" (1/3) ... [2024-11-28 02:57:58,724 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4fe0fd41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 02:57:58, skipping insertion in model container [2024-11-28 02:57:58,724 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-28 02:57:58,724 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:57:58" (2/3) ... [2024-11-28 02:57:58,725 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4fe0fd41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 02:57:58, skipping insertion in model container [2024-11-28 02:57:58,725 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-28 02:57:58,725 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:57:58" (3/3) ... [2024-11-28 02:57:58,727 INFO L363 chiAutomizerObserver]: Analyzing ICFG java_Nested-alloca.i [2024-11-28 02:57:58,790 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-28 02:57:58,790 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-28 02:57:58,791 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-28 02:57:58,791 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-28 02:57:58,792 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-28 02:57:58,792 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-28 02:57:58,792 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-28 02:57:58,793 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-28 02:57:58,800 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 13 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 12 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:57:58,821 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2024-11-28 02:57:58,821 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-28 02:57:58,822 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-28 02:57:58,827 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-28 02:57:58,827 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2024-11-28 02:57:58,827 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-28 02:57:58,827 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 13 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 12 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:57:58,828 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2024-11-28 02:57:58,828 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-28 02:57:58,828 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-28 02:57:58,829 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-28 02:57:58,829 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2024-11-28 02:57:58,835 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~malloc4#1.base, main_#t~malloc4#1.offset, main_#t~mem5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~mem8#1, main_#t~mem9#1, main_#t~mem10#1, main_#t~post11#1, main_#t~mem12#1, main_~i~0#1.base, main_~i~0#1.offset, main_~j~0#1.base, main_~j~0#1.offset, main_~c~0#1.base, main_~c~0#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~i~0#1.base, main_~i~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~j~0#1.base, main_~j~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call main_#t~malloc4#1.base, main_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);main_~c~0#1.base, main_~c~0#1.offset := main_#t~malloc4#1.base, main_#t~malloc4#1.offset;call write~int#2(0, main_~c~0#1.base, main_~c~0#1.offset, 4);call write~int#1(0, main_~i~0#1.base, main_~i~0#1.offset, 4);" [2024-11-28 02:57:58,835 INFO L749 eck$LassoCheckResult]: Loop: "call main_#t~mem5#1 := read~int#1(main_~i~0#1.base, main_~i~0#1.offset, 4);" "assume main_#t~mem5#1 < 10;havoc main_#t~mem5#1;" "call write~int#0(3, main_~j~0#1.base, main_~j~0#1.offset, 4);" "assume !true;" "call main_#t~mem10#1 := read~int#1(main_~i~0#1.base, main_~i~0#1.offset, 4);main_#t~post11#1 := main_#t~mem10#1;call write~int#1(1 + main_#t~post11#1, main_~i~0#1.base, main_~i~0#1.offset, 4);havoc main_#t~mem10#1;havoc main_#t~post11#1;" [2024-11-28 02:57:58,841 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:57:58,841 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2024-11-28 02:57:58,854 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 02:57:58,854 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [817689552] [2024-11-28 02:57:58,855 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:57:58,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:57:59,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:57:59,020 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 02:57:59,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:57:59,085 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 02:57:59,088 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:57:59,088 INFO L85 PathProgramCache]: Analyzing trace with hash 34451723, now seen corresponding path program 1 times [2024-11-28 02:57:59,088 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 02:57:59,088 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1288928077] [2024-11-28 02:57:59,089 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:57:59,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:57:59,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:57:59,160 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-11-28 02:57:59,162 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1288928077] [2024-11-28 02:57:59,162 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1288928077] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:57:59,162 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [11147292] [2024-11-28 02:57:59,163 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:57:59,163 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:57:59,163 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16409f95-296a-46ad-a1a9-08a5499f7248/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:57:59,167 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16409f95-296a-46ad-a1a9-08a5499f7248/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:57:59,169 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16409f95-296a-46ad-a1a9-08a5499f7248/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-28 02:57:59,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:57:59,260 INFO L256 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-28 02:57:59,261 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:57:59,270 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:57:59,274 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [11147292] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 02:57:59,275 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 02:57:59,276 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [2, 2, 2] total 2 [2024-11-28 02:57:59,277 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [37306639] [2024-11-28 02:57:59,278 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 02:57:59,282 INFO L764 eck$LassoCheckResult]: loop already infeasible [2024-11-28 02:57:59,283 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-11-28 02:57:59,317 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-28 02:57:59,318 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 02:57:59,321 INFO L87 Difference]: Start difference. First operand has 13 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 12 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:57:59,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:57:59,330 INFO L93 Difference]: Finished difference Result 13 states and 14 transitions. [2024-11-28 02:57:59,331 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 13 states and 14 transitions. [2024-11-28 02:57:59,332 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2024-11-28 02:57:59,340 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 13 states to 9 states and 10 transitions. [2024-11-28 02:57:59,342 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2024-11-28 02:57:59,342 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2024-11-28 02:57:59,343 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 10 transitions. [2024-11-28 02:57:59,343 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-28 02:57:59,343 INFO L218 hiAutomatonCegarLoop]: Abstraction has 9 states and 10 transitions. [2024-11-28 02:57:59,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states and 10 transitions. [2024-11-28 02:57:59,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2024-11-28 02:57:59,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 9 states have (on average 1.1111111111111112) internal successors, (10), 8 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:57:59,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 10 transitions. [2024-11-28 02:57:59,374 INFO L240 hiAutomatonCegarLoop]: Abstraction has 9 states and 10 transitions. [2024-11-28 02:57:59,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-28 02:57:59,379 INFO L425 stractBuchiCegarLoop]: Abstraction has 9 states and 10 transitions. [2024-11-28 02:57:59,380 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-28 02:57:59,380 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9 states and 10 transitions. [2024-11-28 02:57:59,381 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2024-11-28 02:57:59,381 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-28 02:57:59,381 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-28 02:57:59,382 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-28 02:57:59,382 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2024-11-28 02:57:59,382 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~malloc4#1.base, main_#t~malloc4#1.offset, main_#t~mem5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~mem8#1, main_#t~mem9#1, main_#t~mem10#1, main_#t~post11#1, main_#t~mem12#1, main_~i~0#1.base, main_~i~0#1.offset, main_~j~0#1.base, main_~j~0#1.offset, main_~c~0#1.base, main_~c~0#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~i~0#1.base, main_~i~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~j~0#1.base, main_~j~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call main_#t~malloc4#1.base, main_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);main_~c~0#1.base, main_~c~0#1.offset := main_#t~malloc4#1.base, main_#t~malloc4#1.offset;call write~int#2(0, main_~c~0#1.base, main_~c~0#1.offset, 4);call write~int#1(0, main_~i~0#1.base, main_~i~0#1.offset, 4);" [2024-11-28 02:57:59,382 INFO L749 eck$LassoCheckResult]: Loop: "call main_#t~mem5#1 := read~int#1(main_~i~0#1.base, main_~i~0#1.offset, 4);" "assume main_#t~mem5#1 < 10;havoc main_#t~mem5#1;" "call write~int#0(3, main_~j~0#1.base, main_~j~0#1.offset, 4);" "call main_#t~mem6#1 := read~int#0(main_~j~0#1.base, main_~j~0#1.offset, 4);" "assume !(main_#t~mem6#1 < 12);havoc main_#t~mem6#1;" "call main_#t~mem10#1 := read~int#1(main_~i~0#1.base, main_~i~0#1.offset, 4);main_#t~post11#1 := main_#t~mem10#1;call write~int#1(1 + main_#t~post11#1, main_~i~0#1.base, main_~i~0#1.offset, 4);havoc main_#t~mem10#1;havoc main_#t~post11#1;" [2024-11-28 02:57:59,383 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:57:59,383 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 2 times [2024-11-28 02:57:59,383 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 02:57:59,384 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [20331876] [2024-11-28 02:57:59,384 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:57:59,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:57:59,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:57:59,439 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 02:57:59,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:57:59,474 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 02:57:59,475 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:57:59,475 INFO L85 PathProgramCache]: Analyzing trace with hash 1067994606, now seen corresponding path program 1 times [2024-11-28 02:57:59,475 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 02:57:59,475 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [212837426] [2024-11-28 02:57:59,475 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:57:59,475 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:57:59,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:57:59,699 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-11-28 02:57:59,699 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [212837426] [2024-11-28 02:57:59,699 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [212837426] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:57:59,700 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1056805781] [2024-11-28 02:57:59,700 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:57:59,700 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:57:59,700 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16409f95-296a-46ad-a1a9-08a5499f7248/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:57:59,706 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16409f95-296a-46ad-a1a9-08a5499f7248/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:57:59,707 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16409f95-296a-46ad-a1a9-08a5499f7248/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-28 02:57:59,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:57:59,793 INFO L256 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-28 02:57:59,795 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:57:59,846 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-28 02:57:59,871 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2024-11-28 02:57:59,888 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:57:59,959 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1056805781] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 02:57:59,959 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 02:57:59,960 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 8 [2024-11-28 02:57:59,960 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [755352805] [2024-11-28 02:57:59,960 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 02:57:59,960 INFO L764 eck$LassoCheckResult]: loop already infeasible [2024-11-28 02:57:59,960 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-11-28 02:57:59,961 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-28 02:57:59,961 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-11-28 02:57:59,961 INFO L87 Difference]: Start difference. First operand 9 states and 10 transitions. cyclomatic complexity: 2 Second operand has 8 states, 8 states have (on average 1.5) internal successors, (12), 8 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:58:00,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:58:00,058 INFO L93 Difference]: Finished difference Result 15 states and 16 transitions. [2024-11-28 02:58:00,058 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 15 states and 16 transitions. [2024-11-28 02:58:00,058 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 13 [2024-11-28 02:58:00,059 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 15 states to 15 states and 16 transitions. [2024-11-28 02:58:00,059 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 15 [2024-11-28 02:58:00,059 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 15 [2024-11-28 02:58:00,059 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 16 transitions. [2024-11-28 02:58:00,059 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-28 02:58:00,059 INFO L218 hiAutomatonCegarLoop]: Abstraction has 15 states and 16 transitions. [2024-11-28 02:58:00,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states and 16 transitions. [2024-11-28 02:58:00,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 14. [2024-11-28 02:58:00,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 14 states have (on average 1.0714285714285714) internal successors, (15), 13 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:58:00,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 15 transitions. [2024-11-28 02:58:00,064 INFO L240 hiAutomatonCegarLoop]: Abstraction has 14 states and 15 transitions. [2024-11-28 02:58:00,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 02:58:00,066 INFO L425 stractBuchiCegarLoop]: Abstraction has 14 states and 15 transitions. [2024-11-28 02:58:00,066 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-11-28 02:58:00,066 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states and 15 transitions. [2024-11-28 02:58:00,067 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 12 [2024-11-28 02:58:00,067 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-28 02:58:00,067 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-28 02:58:00,067 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-28 02:58:00,067 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [3, 2, 2, 1, 1, 1, 1, 1] [2024-11-28 02:58:00,068 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~malloc4#1.base, main_#t~malloc4#1.offset, main_#t~mem5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~mem8#1, main_#t~mem9#1, main_#t~mem10#1, main_#t~post11#1, main_#t~mem12#1, main_~i~0#1.base, main_~i~0#1.offset, main_~j~0#1.base, main_~j~0#1.offset, main_~c~0#1.base, main_~c~0#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~i~0#1.base, main_~i~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~j~0#1.base, main_~j~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call main_#t~malloc4#1.base, main_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);main_~c~0#1.base, main_~c~0#1.offset := main_#t~malloc4#1.base, main_#t~malloc4#1.offset;call write~int#2(0, main_~c~0#1.base, main_~c~0#1.offset, 4);call write~int#1(0, main_~i~0#1.base, main_~i~0#1.offset, 4);" [2024-11-28 02:58:00,068 INFO L749 eck$LassoCheckResult]: Loop: "call main_#t~mem5#1 := read~int#1(main_~i~0#1.base, main_~i~0#1.offset, 4);" "assume main_#t~mem5#1 < 10;havoc main_#t~mem5#1;" "call write~int#0(3, main_~j~0#1.base, main_~j~0#1.offset, 4);" "call main_#t~mem6#1 := read~int#0(main_~j~0#1.base, main_~j~0#1.offset, 4);" "assume main_#t~mem6#1 < 12;havoc main_#t~mem6#1;" "call main_#t~mem7#1 := read~int#0(main_~j~0#1.base, main_~j~0#1.offset, 4);call write~int#0(main_#t~mem7#1 - 1, main_~j~0#1.base, main_~j~0#1.offset, 4);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int#2(main_~c~0#1.base, main_~c~0#1.offset, 4);call write~int#2(1 + main_#t~mem8#1, main_~c~0#1.base, main_~c~0#1.offset, 4);havoc main_#t~mem8#1;call main_#t~mem9#1 := read~int#0(main_~j~0#1.base, main_~j~0#1.offset, 4);call write~int#0(2 + main_#t~mem9#1, main_~j~0#1.base, main_~j~0#1.offset, 4);havoc main_#t~mem9#1;" "call main_#t~mem6#1 := read~int#0(main_~j~0#1.base, main_~j~0#1.offset, 4);" "assume main_#t~mem6#1 < 12;havoc main_#t~mem6#1;" "call main_#t~mem7#1 := read~int#0(main_~j~0#1.base, main_~j~0#1.offset, 4);call write~int#0(main_#t~mem7#1 - 1, main_~j~0#1.base, main_~j~0#1.offset, 4);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int#2(main_~c~0#1.base, main_~c~0#1.offset, 4);call write~int#2(1 + main_#t~mem8#1, main_~c~0#1.base, main_~c~0#1.offset, 4);havoc main_#t~mem8#1;call main_#t~mem9#1 := read~int#0(main_~j~0#1.base, main_~j~0#1.offset, 4);call write~int#0(2 + main_#t~mem9#1, main_~j~0#1.base, main_~j~0#1.offset, 4);havoc main_#t~mem9#1;" "call main_#t~mem6#1 := read~int#0(main_~j~0#1.base, main_~j~0#1.offset, 4);" "assume !(main_#t~mem6#1 < 12);havoc main_#t~mem6#1;" "call main_#t~mem10#1 := read~int#1(main_~i~0#1.base, main_~i~0#1.offset, 4);main_#t~post11#1 := main_#t~mem10#1;call write~int#1(1 + main_#t~post11#1, main_~i~0#1.base, main_~i~0#1.offset, 4);havoc main_#t~mem10#1;havoc main_#t~post11#1;" [2024-11-28 02:58:00,069 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:58:00,069 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 3 times [2024-11-28 02:58:00,069 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 02:58:00,069 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [430680473] [2024-11-28 02:58:00,069 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:58:00,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:58:00,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:58:00,111 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 02:58:00,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:58:00,124 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 02:58:00,124 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:58:00,125 INFO L85 PathProgramCache]: Analyzing trace with hash -900611890, now seen corresponding path program 1 times [2024-11-28 02:58:00,125 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 02:58:00,125 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [843021076] [2024-11-28 02:58:00,125 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:58:00,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:58:00,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:58:00,648 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-11-28 02:58:00,648 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [843021076] [2024-11-28 02:58:00,648 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [843021076] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:58:00,648 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2128152834] [2024-11-28 02:58:00,648 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:58:00,649 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:58:00,649 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16409f95-296a-46ad-a1a9-08a5499f7248/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:58:00,651 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16409f95-296a-46ad-a1a9-08a5499f7248/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:58:00,653 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16409f95-296a-46ad-a1a9-08a5499f7248/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-28 02:58:00,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:58:00,726 INFO L256 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-28 02:58:00,729 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:58:00,747 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-28 02:58:00,773 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 13 [2024-11-28 02:58:00,807 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 13 [2024-11-28 02:58:00,821 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2024-11-28 02:58:00,827 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:58:00,926 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2128152834] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 02:58:00,927 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 02:58:00,927 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 6, 6] total 13 [2024-11-28 02:58:00,928 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [995584742] [2024-11-28 02:58:00,928 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 02:58:00,929 INFO L764 eck$LassoCheckResult]: loop already infeasible [2024-11-28 02:58:00,929 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-11-28 02:58:00,929 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-28 02:58:00,929 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=94, Unknown=0, NotChecked=0, Total=156 [2024-11-28 02:58:00,929 INFO L87 Difference]: Start difference. First operand 14 states and 15 transitions. cyclomatic complexity: 2 Second operand has 13 states, 13 states have (on average 2.0) internal successors, (26), 13 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:58:01,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:58:01,067 INFO L93 Difference]: Finished difference Result 27 states and 28 transitions. [2024-11-28 02:58:01,067 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 27 states and 28 transitions. [2024-11-28 02:58:01,068 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 25 [2024-11-28 02:58:01,068 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 27 states to 27 states and 28 transitions. [2024-11-28 02:58:01,068 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 27 [2024-11-28 02:58:01,069 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 27 [2024-11-28 02:58:01,069 INFO L73 IsDeterministic]: Start isDeterministic. Operand 27 states and 28 transitions. [2024-11-28 02:58:01,069 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-28 02:58:01,069 INFO L218 hiAutomatonCegarLoop]: Abstraction has 27 states and 28 transitions. [2024-11-28 02:58:01,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states and 28 transitions. [2024-11-28 02:58:01,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 26. [2024-11-28 02:58:01,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 26 states have (on average 1.0384615384615385) internal successors, (27), 25 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) [2024-11-28 02:58:01,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 27 transitions. [2024-11-28 02:58:01,071 INFO L240 hiAutomatonCegarLoop]: Abstraction has 26 states and 27 transitions. [2024-11-28 02:58:01,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-28 02:58:01,072 INFO L425 stractBuchiCegarLoop]: Abstraction has 26 states and 27 transitions. [2024-11-28 02:58:01,073 INFO L332 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2024-11-28 02:58:01,073 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 26 states and 27 transitions. [2024-11-28 02:58:01,073 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 24 [2024-11-28 02:58:01,073 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-28 02:58:01,073 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-28 02:58:01,074 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-28 02:58:01,074 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [7, 6, 6, 1, 1, 1, 1, 1] [2024-11-28 02:58:01,074 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~malloc4#1.base, main_#t~malloc4#1.offset, main_#t~mem5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~mem8#1, main_#t~mem9#1, main_#t~mem10#1, main_#t~post11#1, main_#t~mem12#1, main_~i~0#1.base, main_~i~0#1.offset, main_~j~0#1.base, main_~j~0#1.offset, main_~c~0#1.base, main_~c~0#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~i~0#1.base, main_~i~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~j~0#1.base, main_~j~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call main_#t~malloc4#1.base, main_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);main_~c~0#1.base, main_~c~0#1.offset := main_#t~malloc4#1.base, main_#t~malloc4#1.offset;call write~int#2(0, main_~c~0#1.base, main_~c~0#1.offset, 4);call write~int#1(0, main_~i~0#1.base, main_~i~0#1.offset, 4);" [2024-11-28 02:58:01,074 INFO L749 eck$LassoCheckResult]: Loop: "call main_#t~mem5#1 := read~int#1(main_~i~0#1.base, main_~i~0#1.offset, 4);" "assume main_#t~mem5#1 < 10;havoc main_#t~mem5#1;" "call write~int#0(3, main_~j~0#1.base, main_~j~0#1.offset, 4);" "call main_#t~mem6#1 := read~int#0(main_~j~0#1.base, main_~j~0#1.offset, 4);" "assume main_#t~mem6#1 < 12;havoc main_#t~mem6#1;" "call main_#t~mem7#1 := read~int#0(main_~j~0#1.base, main_~j~0#1.offset, 4);call write~int#0(main_#t~mem7#1 - 1, main_~j~0#1.base, main_~j~0#1.offset, 4);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int#2(main_~c~0#1.base, main_~c~0#1.offset, 4);call write~int#2(1 + main_#t~mem8#1, main_~c~0#1.base, main_~c~0#1.offset, 4);havoc main_#t~mem8#1;call main_#t~mem9#1 := read~int#0(main_~j~0#1.base, main_~j~0#1.offset, 4);call write~int#0(2 + main_#t~mem9#1, main_~j~0#1.base, main_~j~0#1.offset, 4);havoc main_#t~mem9#1;" "call main_#t~mem6#1 := read~int#0(main_~j~0#1.base, main_~j~0#1.offset, 4);" "assume main_#t~mem6#1 < 12;havoc main_#t~mem6#1;" "call main_#t~mem7#1 := read~int#0(main_~j~0#1.base, main_~j~0#1.offset, 4);call write~int#0(main_#t~mem7#1 - 1, main_~j~0#1.base, main_~j~0#1.offset, 4);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int#2(main_~c~0#1.base, main_~c~0#1.offset, 4);call write~int#2(1 + main_#t~mem8#1, main_~c~0#1.base, main_~c~0#1.offset, 4);havoc main_#t~mem8#1;call main_#t~mem9#1 := read~int#0(main_~j~0#1.base, main_~j~0#1.offset, 4);call write~int#0(2 + main_#t~mem9#1, main_~j~0#1.base, main_~j~0#1.offset, 4);havoc main_#t~mem9#1;" "call main_#t~mem6#1 := read~int#0(main_~j~0#1.base, main_~j~0#1.offset, 4);" "assume main_#t~mem6#1 < 12;havoc main_#t~mem6#1;" "call main_#t~mem7#1 := read~int#0(main_~j~0#1.base, main_~j~0#1.offset, 4);call write~int#0(main_#t~mem7#1 - 1, main_~j~0#1.base, main_~j~0#1.offset, 4);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int#2(main_~c~0#1.base, main_~c~0#1.offset, 4);call write~int#2(1 + main_#t~mem8#1, main_~c~0#1.base, main_~c~0#1.offset, 4);havoc main_#t~mem8#1;call main_#t~mem9#1 := read~int#0(main_~j~0#1.base, main_~j~0#1.offset, 4);call write~int#0(2 + main_#t~mem9#1, main_~j~0#1.base, main_~j~0#1.offset, 4);havoc main_#t~mem9#1;" "call main_#t~mem6#1 := read~int#0(main_~j~0#1.base, main_~j~0#1.offset, 4);" "assume main_#t~mem6#1 < 12;havoc main_#t~mem6#1;" "call main_#t~mem7#1 := read~int#0(main_~j~0#1.base, main_~j~0#1.offset, 4);call write~int#0(main_#t~mem7#1 - 1, main_~j~0#1.base, main_~j~0#1.offset, 4);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int#2(main_~c~0#1.base, main_~c~0#1.offset, 4);call write~int#2(1 + main_#t~mem8#1, main_~c~0#1.base, main_~c~0#1.offset, 4);havoc main_#t~mem8#1;call main_#t~mem9#1 := read~int#0(main_~j~0#1.base, main_~j~0#1.offset, 4);call write~int#0(2 + main_#t~mem9#1, main_~j~0#1.base, main_~j~0#1.offset, 4);havoc main_#t~mem9#1;" "call main_#t~mem6#1 := read~int#0(main_~j~0#1.base, main_~j~0#1.offset, 4);" "assume main_#t~mem6#1 < 12;havoc main_#t~mem6#1;" "call main_#t~mem7#1 := read~int#0(main_~j~0#1.base, main_~j~0#1.offset, 4);call write~int#0(main_#t~mem7#1 - 1, main_~j~0#1.base, main_~j~0#1.offset, 4);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int#2(main_~c~0#1.base, main_~c~0#1.offset, 4);call write~int#2(1 + main_#t~mem8#1, main_~c~0#1.base, main_~c~0#1.offset, 4);havoc main_#t~mem8#1;call main_#t~mem9#1 := read~int#0(main_~j~0#1.base, main_~j~0#1.offset, 4);call write~int#0(2 + main_#t~mem9#1, main_~j~0#1.base, main_~j~0#1.offset, 4);havoc main_#t~mem9#1;" "call main_#t~mem6#1 := read~int#0(main_~j~0#1.base, main_~j~0#1.offset, 4);" "assume main_#t~mem6#1 < 12;havoc main_#t~mem6#1;" "call main_#t~mem7#1 := read~int#0(main_~j~0#1.base, main_~j~0#1.offset, 4);call write~int#0(main_#t~mem7#1 - 1, main_~j~0#1.base, main_~j~0#1.offset, 4);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int#2(main_~c~0#1.base, main_~c~0#1.offset, 4);call write~int#2(1 + main_#t~mem8#1, main_~c~0#1.base, main_~c~0#1.offset, 4);havoc main_#t~mem8#1;call main_#t~mem9#1 := read~int#0(main_~j~0#1.base, main_~j~0#1.offset, 4);call write~int#0(2 + main_#t~mem9#1, main_~j~0#1.base, main_~j~0#1.offset, 4);havoc main_#t~mem9#1;" "call main_#t~mem6#1 := read~int#0(main_~j~0#1.base, main_~j~0#1.offset, 4);" "assume !(main_#t~mem6#1 < 12);havoc main_#t~mem6#1;" "call main_#t~mem10#1 := read~int#1(main_~i~0#1.base, main_~i~0#1.offset, 4);main_#t~post11#1 := main_#t~mem10#1;call write~int#1(1 + main_#t~post11#1, main_~i~0#1.base, main_~i~0#1.offset, 4);havoc main_#t~mem10#1;havoc main_#t~post11#1;" [2024-11-28 02:58:01,074 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:58:01,074 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 4 times [2024-11-28 02:58:01,074 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 02:58:01,075 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [257909584] [2024-11-28 02:58:01,075 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:58:01,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:58:01,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:58:01,096 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 02:58:01,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:58:01,113 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 02:58:01,116 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:58:01,116 INFO L85 PathProgramCache]: Analyzing trace with hash -1564103026, now seen corresponding path program 2 times [2024-11-28 02:58:01,116 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 02:58:01,116 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [95128652] [2024-11-28 02:58:01,116 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:58:01,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:58:01,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:58:02,344 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-11-28 02:58:02,344 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [95128652] [2024-11-28 02:58:02,344 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [95128652] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:58:02,345 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1647944256] [2024-11-28 02:58:02,345 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:58:02,345 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:58:02,345 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16409f95-296a-46ad-a1a9-08a5499f7248/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:58:02,348 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16409f95-296a-46ad-a1a9-08a5499f7248/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:58:02,350 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16409f95-296a-46ad-a1a9-08a5499f7248/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-28 02:58:02,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:58:02,456 INFO L256 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-28 02:58:02,460 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:58:02,468 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-28 02:58:02,485 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 13 [2024-11-28 02:58:02,504 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 13 [2024-11-28 02:58:02,522 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 13 [2024-11-28 02:58:02,541 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 13 [2024-11-28 02:58:02,570 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 13 [2024-11-28 02:58:02,596 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 13 [2024-11-28 02:58:02,609 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2024-11-28 02:58:02,613 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:58:02,783 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1647944256] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 02:58:02,784 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 02:58:02,784 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 10, 10] total 20 [2024-11-28 02:58:02,784 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [412912572] [2024-11-28 02:58:02,784 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 02:58:02,785 INFO L764 eck$LassoCheckResult]: loop already infeasible [2024-11-28 02:58:02,785 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-11-28 02:58:02,785 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-11-28 02:58:02,785 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=150, Invalid=230, Unknown=0, NotChecked=0, Total=380 [2024-11-28 02:58:02,786 INFO L87 Difference]: Start difference. First operand 26 states and 27 transitions. cyclomatic complexity: 2 Second operand has 20 states, 20 states have (on average 2.3) internal successors, (46), 20 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:58:02,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:58:02,956 INFO L93 Difference]: Finished difference Result 36 states and 37 transitions. [2024-11-28 02:58:02,956 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 36 states and 37 transitions. [2024-11-28 02:58:02,958 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 34 [2024-11-28 02:58:02,959 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 36 states to 36 states and 37 transitions. [2024-11-28 02:58:02,959 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 36 [2024-11-28 02:58:02,959 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 36 [2024-11-28 02:58:02,959 INFO L73 IsDeterministic]: Start isDeterministic. Operand 36 states and 37 transitions. [2024-11-28 02:58:02,959 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-28 02:58:02,959 INFO L218 hiAutomatonCegarLoop]: Abstraction has 36 states and 37 transitions. [2024-11-28 02:58:02,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states and 37 transitions. [2024-11-28 02:58:02,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 35. [2024-11-28 02:58:02,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 35 states have (on average 1.0285714285714285) internal successors, (36), 34 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:58:02,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 36 transitions. [2024-11-28 02:58:02,965 INFO L240 hiAutomatonCegarLoop]: Abstraction has 35 states and 36 transitions. [2024-11-28 02:58:02,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-28 02:58:02,967 INFO L425 stractBuchiCegarLoop]: Abstraction has 35 states and 36 transitions. [2024-11-28 02:58:02,967 INFO L332 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2024-11-28 02:58:02,968 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 35 states and 36 transitions. [2024-11-28 02:58:02,968 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 33 [2024-11-28 02:58:02,972 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-28 02:58:02,972 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-28 02:58:02,972 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-28 02:58:02,973 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [10, 9, 9, 1, 1, 1, 1, 1] [2024-11-28 02:58:02,973 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~malloc4#1.base, main_#t~malloc4#1.offset, main_#t~mem5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~mem8#1, main_#t~mem9#1, main_#t~mem10#1, main_#t~post11#1, main_#t~mem12#1, main_~i~0#1.base, main_~i~0#1.offset, main_~j~0#1.base, main_~j~0#1.offset, main_~c~0#1.base, main_~c~0#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~i~0#1.base, main_~i~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~j~0#1.base, main_~j~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call main_#t~malloc4#1.base, main_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);main_~c~0#1.base, main_~c~0#1.offset := main_#t~malloc4#1.base, main_#t~malloc4#1.offset;call write~int#2(0, main_~c~0#1.base, main_~c~0#1.offset, 4);call write~int#1(0, main_~i~0#1.base, main_~i~0#1.offset, 4);" [2024-11-28 02:58:02,973 INFO L749 eck$LassoCheckResult]: Loop: "call main_#t~mem5#1 := read~int#1(main_~i~0#1.base, main_~i~0#1.offset, 4);" "assume main_#t~mem5#1 < 10;havoc main_#t~mem5#1;" "call write~int#0(3, main_~j~0#1.base, main_~j~0#1.offset, 4);" "call main_#t~mem6#1 := read~int#0(main_~j~0#1.base, main_~j~0#1.offset, 4);" "assume main_#t~mem6#1 < 12;havoc main_#t~mem6#1;" "call main_#t~mem7#1 := read~int#0(main_~j~0#1.base, main_~j~0#1.offset, 4);call write~int#0(main_#t~mem7#1 - 1, main_~j~0#1.base, main_~j~0#1.offset, 4);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int#2(main_~c~0#1.base, main_~c~0#1.offset, 4);call write~int#2(1 + main_#t~mem8#1, main_~c~0#1.base, main_~c~0#1.offset, 4);havoc main_#t~mem8#1;call main_#t~mem9#1 := read~int#0(main_~j~0#1.base, main_~j~0#1.offset, 4);call write~int#0(2 + main_#t~mem9#1, main_~j~0#1.base, main_~j~0#1.offset, 4);havoc main_#t~mem9#1;" "call main_#t~mem6#1 := read~int#0(main_~j~0#1.base, main_~j~0#1.offset, 4);" "assume main_#t~mem6#1 < 12;havoc main_#t~mem6#1;" "call main_#t~mem7#1 := read~int#0(main_~j~0#1.base, main_~j~0#1.offset, 4);call write~int#0(main_#t~mem7#1 - 1, main_~j~0#1.base, main_~j~0#1.offset, 4);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int#2(main_~c~0#1.base, main_~c~0#1.offset, 4);call write~int#2(1 + main_#t~mem8#1, main_~c~0#1.base, main_~c~0#1.offset, 4);havoc main_#t~mem8#1;call main_#t~mem9#1 := read~int#0(main_~j~0#1.base, main_~j~0#1.offset, 4);call write~int#0(2 + main_#t~mem9#1, main_~j~0#1.base, main_~j~0#1.offset, 4);havoc main_#t~mem9#1;" "call main_#t~mem6#1 := read~int#0(main_~j~0#1.base, main_~j~0#1.offset, 4);" "assume main_#t~mem6#1 < 12;havoc main_#t~mem6#1;" "call main_#t~mem7#1 := read~int#0(main_~j~0#1.base, main_~j~0#1.offset, 4);call write~int#0(main_#t~mem7#1 - 1, main_~j~0#1.base, main_~j~0#1.offset, 4);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int#2(main_~c~0#1.base, main_~c~0#1.offset, 4);call write~int#2(1 + main_#t~mem8#1, main_~c~0#1.base, main_~c~0#1.offset, 4);havoc main_#t~mem8#1;call main_#t~mem9#1 := read~int#0(main_~j~0#1.base, main_~j~0#1.offset, 4);call write~int#0(2 + main_#t~mem9#1, main_~j~0#1.base, main_~j~0#1.offset, 4);havoc main_#t~mem9#1;" "call main_#t~mem6#1 := read~int#0(main_~j~0#1.base, main_~j~0#1.offset, 4);" "assume main_#t~mem6#1 < 12;havoc main_#t~mem6#1;" "call main_#t~mem7#1 := read~int#0(main_~j~0#1.base, main_~j~0#1.offset, 4);call write~int#0(main_#t~mem7#1 - 1, main_~j~0#1.base, main_~j~0#1.offset, 4);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int#2(main_~c~0#1.base, main_~c~0#1.offset, 4);call write~int#2(1 + main_#t~mem8#1, main_~c~0#1.base, main_~c~0#1.offset, 4);havoc main_#t~mem8#1;call main_#t~mem9#1 := read~int#0(main_~j~0#1.base, main_~j~0#1.offset, 4);call write~int#0(2 + main_#t~mem9#1, main_~j~0#1.base, main_~j~0#1.offset, 4);havoc main_#t~mem9#1;" "call main_#t~mem6#1 := read~int#0(main_~j~0#1.base, main_~j~0#1.offset, 4);" "assume main_#t~mem6#1 < 12;havoc main_#t~mem6#1;" "call main_#t~mem7#1 := read~int#0(main_~j~0#1.base, main_~j~0#1.offset, 4);call write~int#0(main_#t~mem7#1 - 1, main_~j~0#1.base, main_~j~0#1.offset, 4);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int#2(main_~c~0#1.base, main_~c~0#1.offset, 4);call write~int#2(1 + main_#t~mem8#1, main_~c~0#1.base, main_~c~0#1.offset, 4);havoc main_#t~mem8#1;call main_#t~mem9#1 := read~int#0(main_~j~0#1.base, main_~j~0#1.offset, 4);call write~int#0(2 + main_#t~mem9#1, main_~j~0#1.base, main_~j~0#1.offset, 4);havoc main_#t~mem9#1;" "call main_#t~mem6#1 := read~int#0(main_~j~0#1.base, main_~j~0#1.offset, 4);" "assume main_#t~mem6#1 < 12;havoc main_#t~mem6#1;" "call main_#t~mem7#1 := read~int#0(main_~j~0#1.base, main_~j~0#1.offset, 4);call write~int#0(main_#t~mem7#1 - 1, main_~j~0#1.base, main_~j~0#1.offset, 4);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int#2(main_~c~0#1.base, main_~c~0#1.offset, 4);call write~int#2(1 + main_#t~mem8#1, main_~c~0#1.base, main_~c~0#1.offset, 4);havoc main_#t~mem8#1;call main_#t~mem9#1 := read~int#0(main_~j~0#1.base, main_~j~0#1.offset, 4);call write~int#0(2 + main_#t~mem9#1, main_~j~0#1.base, main_~j~0#1.offset, 4);havoc main_#t~mem9#1;" "call main_#t~mem6#1 := read~int#0(main_~j~0#1.base, main_~j~0#1.offset, 4);" "assume main_#t~mem6#1 < 12;havoc main_#t~mem6#1;" "call main_#t~mem7#1 := read~int#0(main_~j~0#1.base, main_~j~0#1.offset, 4);call write~int#0(main_#t~mem7#1 - 1, main_~j~0#1.base, main_~j~0#1.offset, 4);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int#2(main_~c~0#1.base, main_~c~0#1.offset, 4);call write~int#2(1 + main_#t~mem8#1, main_~c~0#1.base, main_~c~0#1.offset, 4);havoc main_#t~mem8#1;call main_#t~mem9#1 := read~int#0(main_~j~0#1.base, main_~j~0#1.offset, 4);call write~int#0(2 + main_#t~mem9#1, main_~j~0#1.base, main_~j~0#1.offset, 4);havoc main_#t~mem9#1;" "call main_#t~mem6#1 := read~int#0(main_~j~0#1.base, main_~j~0#1.offset, 4);" "assume main_#t~mem6#1 < 12;havoc main_#t~mem6#1;" "call main_#t~mem7#1 := read~int#0(main_~j~0#1.base, main_~j~0#1.offset, 4);call write~int#0(main_#t~mem7#1 - 1, main_~j~0#1.base, main_~j~0#1.offset, 4);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int#2(main_~c~0#1.base, main_~c~0#1.offset, 4);call write~int#2(1 + main_#t~mem8#1, main_~c~0#1.base, main_~c~0#1.offset, 4);havoc main_#t~mem8#1;call main_#t~mem9#1 := read~int#0(main_~j~0#1.base, main_~j~0#1.offset, 4);call write~int#0(2 + main_#t~mem9#1, main_~j~0#1.base, main_~j~0#1.offset, 4);havoc main_#t~mem9#1;" "call main_#t~mem6#1 := read~int#0(main_~j~0#1.base, main_~j~0#1.offset, 4);" "assume main_#t~mem6#1 < 12;havoc main_#t~mem6#1;" "call main_#t~mem7#1 := read~int#0(main_~j~0#1.base, main_~j~0#1.offset, 4);call write~int#0(main_#t~mem7#1 - 1, main_~j~0#1.base, main_~j~0#1.offset, 4);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int#2(main_~c~0#1.base, main_~c~0#1.offset, 4);call write~int#2(1 + main_#t~mem8#1, main_~c~0#1.base, main_~c~0#1.offset, 4);havoc main_#t~mem8#1;call main_#t~mem9#1 := read~int#0(main_~j~0#1.base, main_~j~0#1.offset, 4);call write~int#0(2 + main_#t~mem9#1, main_~j~0#1.base, main_~j~0#1.offset, 4);havoc main_#t~mem9#1;" "call main_#t~mem6#1 := read~int#0(main_~j~0#1.base, main_~j~0#1.offset, 4);" "assume !(main_#t~mem6#1 < 12);havoc main_#t~mem6#1;" "call main_#t~mem10#1 := read~int#1(main_~i~0#1.base, main_~i~0#1.offset, 4);main_#t~post11#1 := main_#t~mem10#1;call write~int#1(1 + main_#t~post11#1, main_~i~0#1.base, main_~i~0#1.offset, 4);havoc main_#t~mem10#1;havoc main_#t~post11#1;" [2024-11-28 02:58:02,973 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:58:02,973 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 5 times [2024-11-28 02:58:02,973 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 02:58:02,974 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [932712781] [2024-11-28 02:58:02,974 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:58:02,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:58:02,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:58:02,996 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 02:58:03,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:58:03,010 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 02:58:03,010 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:58:03,011 INFO L85 PathProgramCache]: Analyzing trace with hash 627800555, now seen corresponding path program 3 times [2024-11-28 02:58:03,011 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 02:58:03,011 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1340425999] [2024-11-28 02:58:03,011 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:58:03,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:58:03,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:58:03,062 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 02:58:03,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:58:03,090 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 02:58:03,090 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:58:03,090 INFO L85 PathProgramCache]: Analyzing trace with hash -691374487, now seen corresponding path program 1 times [2024-11-28 02:58:03,090 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 02:58:03,091 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1144883579] [2024-11-28 02:58:03,091 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:58:03,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:58:03,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:58:03,173 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 02:58:03,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:58:03,211 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 02:58:15,788 WARN L286 SmtUtils]: Spent 12.56s on a formula simplification. DAG size of input: 209 DAG size of output: 198 (called from [L 276] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2024-11-28 02:58:16,392 INFO L204 LassoAnalysis]: Preferences: [2024-11-28 02:58:16,393 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-28 02:58:16,393 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-28 02:58:16,393 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-28 02:58:16,393 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-28 02:58:16,394 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:58:16,394 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-28 02:58:16,394 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-28 02:58:16,394 INFO L132 ssoRankerPreferences]: Filename of dumped script: java_Nested-alloca.i_Iteration5_Lasso [2024-11-28 02:58:16,394 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-28 02:58:16,394 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-28 02:58:16,420 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:58:16,432 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:58:17,039 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:58:17,042 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:58:17,044 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:58:17,047 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:58:17,050 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:58:17,054 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:58:17,057 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:58:17,060 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:58:17,067 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:58:17,070 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:58:17,072 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:58:17,545 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-28 02:58:17,550 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-28 02:58:17,551 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:58:17,552 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16409f95-296a-46ad-a1a9-08a5499f7248/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:58:17,556 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16409f95-296a-46ad-a1a9-08a5499f7248/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:58:17,557 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16409f95-296a-46ad-a1a9-08a5499f7248/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2024-11-28 02:58:17,559 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 02:58:17,577 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:58:17,577 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 02:58:17,578 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:58:17,578 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 02:58:17,578 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 02:58:17,586 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 02:58:17,586 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 02:58:17,590 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 02:58:17,600 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16409f95-296a-46ad-a1a9-08a5499f7248/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2024-11-28 02:58:17,601 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:58:17,601 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16409f95-296a-46ad-a1a9-08a5499f7248/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:58:17,603 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16409f95-296a-46ad-a1a9-08a5499f7248/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:58:17,606 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16409f95-296a-46ad-a1a9-08a5499f7248/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2024-11-28 02:58:17,609 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 02:58:17,624 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:58:17,624 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:58:17,625 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 02:58:17,625 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 02:58:17,637 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 02:58:17,637 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 02:58:17,646 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 02:58:17,656 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16409f95-296a-46ad-a1a9-08a5499f7248/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2024-11-28 02:58:17,657 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:58:17,657 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16409f95-296a-46ad-a1a9-08a5499f7248/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:58:17,659 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16409f95-296a-46ad-a1a9-08a5499f7248/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:58:17,662 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16409f95-296a-46ad-a1a9-08a5499f7248/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2024-11-28 02:58:17,664 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 02:58:17,679 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:58:17,679 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:58:17,679 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 02:58:17,679 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 02:58:17,683 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 02:58:17,683 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 02:58:17,690 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 02:58:17,699 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16409f95-296a-46ad-a1a9-08a5499f7248/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2024-11-28 02:58:17,700 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:58:17,700 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16409f95-296a-46ad-a1a9-08a5499f7248/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:58:17,704 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16409f95-296a-46ad-a1a9-08a5499f7248/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:58:17,705 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16409f95-296a-46ad-a1a9-08a5499f7248/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2024-11-28 02:58:17,709 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 02:58:17,723 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:58:17,723 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:58:17,723 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 02:58:17,723 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 02:58:17,727 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 02:58:17,728 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 02:58:17,734 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 02:58:17,742 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16409f95-296a-46ad-a1a9-08a5499f7248/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2024-11-28 02:58:17,743 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:58:17,743 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16409f95-296a-46ad-a1a9-08a5499f7248/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:58:17,745 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16409f95-296a-46ad-a1a9-08a5499f7248/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:58:17,748 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16409f95-296a-46ad-a1a9-08a5499f7248/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2024-11-28 02:58:17,749 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 02:58:17,763 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:58:17,764 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:58:17,764 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 02:58:17,764 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 02:58:17,774 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 02:58:17,774 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 02:58:17,784 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 02:58:17,794 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16409f95-296a-46ad-a1a9-08a5499f7248/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2024-11-28 02:58:17,794 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:58:17,794 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16409f95-296a-46ad-a1a9-08a5499f7248/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:58:17,796 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16409f95-296a-46ad-a1a9-08a5499f7248/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:58:17,801 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16409f95-296a-46ad-a1a9-08a5499f7248/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2024-11-28 02:58:17,802 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 02:58:17,817 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:58:17,817 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:58:17,818 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 02:58:17,818 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 02:58:17,824 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 02:58:17,825 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 02:58:17,836 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 02:58:17,844 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16409f95-296a-46ad-a1a9-08a5499f7248/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2024-11-28 02:58:17,845 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:58:17,845 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16409f95-296a-46ad-a1a9-08a5499f7248/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:58:17,849 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16409f95-296a-46ad-a1a9-08a5499f7248/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:58:17,853 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 02:58:17,853 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16409f95-296a-46ad-a1a9-08a5499f7248/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2024-11-28 02:58:17,867 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:58:17,868 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:58:17,868 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 02:58:17,868 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 02:58:17,875 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 02:58:17,875 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 02:58:17,887 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 02:58:17,896 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16409f95-296a-46ad-a1a9-08a5499f7248/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2024-11-28 02:58:17,896 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:58:17,896 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16409f95-296a-46ad-a1a9-08a5499f7248/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:58:17,898 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16409f95-296a-46ad-a1a9-08a5499f7248/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:58:17,899 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16409f95-296a-46ad-a1a9-08a5499f7248/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2024-11-28 02:58:17,903 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 02:58:17,918 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:58:17,918 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:58:17,918 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 02:58:17,918 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 02:58:17,922 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 02:58:17,922 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 02:58:17,929 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 02:58:17,938 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16409f95-296a-46ad-a1a9-08a5499f7248/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2024-11-28 02:58:17,938 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:58:17,939 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16409f95-296a-46ad-a1a9-08a5499f7248/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:58:17,941 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16409f95-296a-46ad-a1a9-08a5499f7248/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:58:17,944 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16409f95-296a-46ad-a1a9-08a5499f7248/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2024-11-28 02:58:17,945 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 02:58:17,959 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:58:17,959 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:58:17,960 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 02:58:17,960 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 02:58:17,964 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 02:58:17,964 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 02:58:17,976 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 02:58:17,985 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16409f95-296a-46ad-a1a9-08a5499f7248/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2024-11-28 02:58:17,986 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:58:17,986 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16409f95-296a-46ad-a1a9-08a5499f7248/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:58:17,988 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16409f95-296a-46ad-a1a9-08a5499f7248/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:58:17,991 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16409f95-296a-46ad-a1a9-08a5499f7248/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2024-11-28 02:58:17,992 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 02:58:18,009 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:58:18,009 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:58:18,009 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 02:58:18,009 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 02:58:18,012 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 02:58:18,012 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 02:58:18,018 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-28 02:58:18,035 INFO L443 ModelExtractionUtils]: Simplification made 9 calls to the SMT solver. [2024-11-28 02:58:18,041 INFO L444 ModelExtractionUtils]: 0 out of 7 variables were initially zero. Simplification set additionally 4 variables to zero. [2024-11-28 02:58:18,042 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:58:18,043 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16409f95-296a-46ad-a1a9-08a5499f7248/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:58:18,048 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16409f95-296a-46ad-a1a9-08a5499f7248/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:58:18,050 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16409f95-296a-46ad-a1a9-08a5499f7248/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2024-11-28 02:58:18,050 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-28 02:58:18,067 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-11-28 02:58:18,067 INFO L474 LassoAnalysis]: Proved termination. [2024-11-28 02:58:18,068 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int#1 ULTIMATE.start_main_~i~0#1.base) ULTIMATE.start_main_~i~0#1.offset)_1) = -2*v_rep(select (select #memory_int#1 ULTIMATE.start_main_~i~0#1.base) ULTIMATE.start_main_~i~0#1.offset)_1 + 19 Supporting invariants [] [2024-11-28 02:58:18,077 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16409f95-296a-46ad-a1a9-08a5499f7248/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2024-11-28 02:58:18,170 INFO L156 tatePredicateManager]: 22 out of 22 supporting invariants were superfluous and have been removed [2024-11-28 02:58:18,177 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#1 [2024-11-28 02:58:18,177 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#1,GLOBAL] [2024-11-28 02:58:18,178 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#1,GLOBAL],[IdentifierExpression[~i~0!base,]]] [2024-11-28 02:58:18,193 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:58:18,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:58:18,211 INFO L256 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-28 02:58:18,211 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:58:18,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:58:18,271 INFO L256 TraceCheckSpWp]: Trace formula consists of 239 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-28 02:58:18,277 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:58:18,530 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2024-11-28 02:58:18,533 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2024-11-28 02:58:18,535 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 35 states and 36 transitions. cyclomatic complexity: 2 Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:58:18,600 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 35 states and 36 transitions. cyclomatic complexity: 2. Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 68 states and 71 transitions. Complement of second has 6 states. [2024-11-28 02:58:18,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2024-11-28 02:58:18,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:58:18,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 10 transitions. [2024-11-28 02:58:18,610 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 10 transitions. Stem has 2 letters. Loop has 33 letters. [2024-11-28 02:58:18,613 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 02:58:18,613 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 10 transitions. Stem has 35 letters. Loop has 33 letters. [2024-11-28 02:58:18,614 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 02:58:18,615 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 10 transitions. Stem has 2 letters. Loop has 66 letters. [2024-11-28 02:58:18,615 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 02:58:18,617 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 68 states and 71 transitions. [2024-11-28 02:58:18,620 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-11-28 02:58:18,621 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 68 states to 67 states and 70 transitions. [2024-11-28 02:58:18,621 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 33 [2024-11-28 02:58:18,621 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 34 [2024-11-28 02:58:18,621 INFO L73 IsDeterministic]: Start isDeterministic. Operand 67 states and 70 transitions. [2024-11-28 02:58:18,621 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-28 02:58:18,621 INFO L218 hiAutomatonCegarLoop]: Abstraction has 67 states and 70 transitions. [2024-11-28 02:58:18,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states and 70 transitions. [2024-11-28 02:58:18,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 41. [2024-11-28 02:58:18,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 41 states have (on average 1.0731707317073171) internal successors, (44), 40 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:58:18,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 44 transitions. [2024-11-28 02:58:18,626 INFO L240 hiAutomatonCegarLoop]: Abstraction has 41 states and 44 transitions. [2024-11-28 02:58:18,626 INFO L425 stractBuchiCegarLoop]: Abstraction has 41 states and 44 transitions. [2024-11-28 02:58:18,626 INFO L332 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2024-11-28 02:58:18,626 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 41 states and 44 transitions. [2024-11-28 02:58:18,628 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-11-28 02:58:18,628 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-28 02:58:18,628 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-28 02:58:18,628 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2024-11-28 02:58:18,628 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-11-28 02:58:18,629 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~malloc4#1.base, main_#t~malloc4#1.offset, main_#t~mem5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~mem8#1, main_#t~mem9#1, main_#t~mem10#1, main_#t~post11#1, main_#t~mem12#1, main_~i~0#1.base, main_~i~0#1.offset, main_~j~0#1.base, main_~j~0#1.offset, main_~c~0#1.base, main_~c~0#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~i~0#1.base, main_~i~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~j~0#1.base, main_~j~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call main_#t~malloc4#1.base, main_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);main_~c~0#1.base, main_~c~0#1.offset := main_#t~malloc4#1.base, main_#t~malloc4#1.offset;call write~int#2(0, main_~c~0#1.base, main_~c~0#1.offset, 4);call write~int#1(0, main_~i~0#1.base, main_~i~0#1.offset, 4);" "call main_#t~mem5#1 := read~int#1(main_~i~0#1.base, main_~i~0#1.offset, 4);" "assume main_#t~mem5#1 < 10;havoc main_#t~mem5#1;" "call write~int#0(3, main_~j~0#1.base, main_~j~0#1.offset, 4);" [2024-11-28 02:58:18,629 INFO L749 eck$LassoCheckResult]: Loop: "call main_#t~mem6#1 := read~int#0(main_~j~0#1.base, main_~j~0#1.offset, 4);" "assume main_#t~mem6#1 < 12;havoc main_#t~mem6#1;" "call main_#t~mem7#1 := read~int#0(main_~j~0#1.base, main_~j~0#1.offset, 4);call write~int#0(main_#t~mem7#1 - 1, main_~j~0#1.base, main_~j~0#1.offset, 4);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int#2(main_~c~0#1.base, main_~c~0#1.offset, 4);call write~int#2(1 + main_#t~mem8#1, main_~c~0#1.base, main_~c~0#1.offset, 4);havoc main_#t~mem8#1;call main_#t~mem9#1 := read~int#0(main_~j~0#1.base, main_~j~0#1.offset, 4);call write~int#0(2 + main_#t~mem9#1, main_~j~0#1.base, main_~j~0#1.offset, 4);havoc main_#t~mem9#1;" [2024-11-28 02:58:18,629 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:58:18,629 INFO L85 PathProgramCache]: Analyzing trace with hash 28694791, now seen corresponding path program 1 times [2024-11-28 02:58:18,629 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 02:58:18,629 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [771507597] [2024-11-28 02:58:18,630 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:58:18,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:58:18,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:58:18,645 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 02:58:18,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:58:18,655 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 02:58:18,656 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:58:18,656 INFO L85 PathProgramCache]: Analyzing trace with hash 46772, now seen corresponding path program 1 times [2024-11-28 02:58:18,656 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 02:58:18,656 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [434928176] [2024-11-28 02:58:18,656 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:58:18,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:58:18,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:58:18,662 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 02:58:18,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:58:18,666 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 02:58:18,667 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:58:18,667 INFO L85 PathProgramCache]: Analyzing trace with hash 148043758, now seen corresponding path program 1 times [2024-11-28 02:58:18,667 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 02:58:18,667 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1531459649] [2024-11-28 02:58:18,667 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:58:18,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:58:18,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:58:18,681 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 02:58:18,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:58:18,691 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 02:58:19,069 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16409f95-296a-46ad-a1a9-08a5499f7248/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2024-11-28 02:58:19,299 INFO L204 LassoAnalysis]: Preferences: [2024-11-28 02:58:19,300 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-28 02:58:19,300 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-28 02:58:19,300 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-28 02:58:19,300 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-28 02:58:19,300 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:58:19,300 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-28 02:58:19,300 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-28 02:58:19,300 INFO L132 ssoRankerPreferences]: Filename of dumped script: java_Nested-alloca.i_Iteration6_Lasso [2024-11-28 02:58:19,300 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-28 02:58:19,300 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-28 02:58:19,303 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:58:19,309 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:58:19,311 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:58:19,313 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:58:19,316 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:58:19,319 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:58:19,322 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:58:19,324 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:58:19,777 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:58:19,783 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:58:19,785 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:58:19,789 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:58:19,791 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:58:20,182 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-28 02:58:20,183 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-28 02:58:20,183 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:58:20,183 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16409f95-296a-46ad-a1a9-08a5499f7248/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:58:20,185 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16409f95-296a-46ad-a1a9-08a5499f7248/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:58:20,187 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16409f95-296a-46ad-a1a9-08a5499f7248/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2024-11-28 02:58:20,188 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 02:58:20,199 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:58:20,200 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 02:58:20,200 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:58:20,200 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 02:58:20,200 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 02:58:20,201 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 02:58:20,201 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 02:58:20,203 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 02:58:20,212 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16409f95-296a-46ad-a1a9-08a5499f7248/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Ended with exit code 0 [2024-11-28 02:58:20,213 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:58:20,213 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16409f95-296a-46ad-a1a9-08a5499f7248/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:58:20,215 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16409f95-296a-46ad-a1a9-08a5499f7248/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:58:20,218 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16409f95-296a-46ad-a1a9-08a5499f7248/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2024-11-28 02:58:20,219 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 02:58:20,230 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:58:20,230 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 02:58:20,230 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:58:20,230 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 02:58:20,230 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 02:58:20,231 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 02:58:20,231 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 02:58:20,232 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 02:58:20,238 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16409f95-296a-46ad-a1a9-08a5499f7248/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2024-11-28 02:58:20,238 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:58:20,238 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16409f95-296a-46ad-a1a9-08a5499f7248/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:58:20,240 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16409f95-296a-46ad-a1a9-08a5499f7248/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:58:20,242 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16409f95-296a-46ad-a1a9-08a5499f7248/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2024-11-28 02:58:20,244 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 02:58:20,260 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:58:20,260 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 02:58:20,260 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:58:20,260 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 02:58:20,260 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 02:58:20,261 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 02:58:20,261 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 02:58:20,262 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 02:58:20,269 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16409f95-296a-46ad-a1a9-08a5499f7248/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2024-11-28 02:58:20,269 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:58:20,270 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16409f95-296a-46ad-a1a9-08a5499f7248/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:58:20,271 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16409f95-296a-46ad-a1a9-08a5499f7248/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:58:20,273 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16409f95-296a-46ad-a1a9-08a5499f7248/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2024-11-28 02:58:20,274 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 02:58:20,287 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:58:20,287 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:58:20,287 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 02:58:20,287 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 02:58:20,289 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 02:58:20,289 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 02:58:20,295 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 02:58:20,302 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16409f95-296a-46ad-a1a9-08a5499f7248/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Ended with exit code 0 [2024-11-28 02:58:20,302 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:58:20,302 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16409f95-296a-46ad-a1a9-08a5499f7248/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:58:20,304 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16409f95-296a-46ad-a1a9-08a5499f7248/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:58:20,305 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16409f95-296a-46ad-a1a9-08a5499f7248/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2024-11-28 02:58:20,307 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 02:58:20,318 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:58:20,319 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 02:58:20,319 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:58:20,319 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 02:58:20,319 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 02:58:20,319 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 02:58:20,319 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 02:58:20,321 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 02:58:20,330 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16409f95-296a-46ad-a1a9-08a5499f7248/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2024-11-28 02:58:20,330 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:58:20,330 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16409f95-296a-46ad-a1a9-08a5499f7248/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:58:20,332 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16409f95-296a-46ad-a1a9-08a5499f7248/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:58:20,334 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16409f95-296a-46ad-a1a9-08a5499f7248/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2024-11-28 02:58:20,334 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 02:58:20,346 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:58:20,346 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:58:20,346 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 02:58:20,346 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 02:58:20,348 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 02:58:20,348 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 02:58:20,351 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 02:58:20,357 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16409f95-296a-46ad-a1a9-08a5499f7248/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Ended with exit code 0 [2024-11-28 02:58:20,357 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:58:20,357 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16409f95-296a-46ad-a1a9-08a5499f7248/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:58:20,359 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16409f95-296a-46ad-a1a9-08a5499f7248/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:58:20,360 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16409f95-296a-46ad-a1a9-08a5499f7248/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2024-11-28 02:58:20,361 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 02:58:20,373 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:58:20,373 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 02:58:20,373 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:58:20,373 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 02:58:20,373 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 02:58:20,374 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 02:58:20,374 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 02:58:20,377 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 02:58:20,385 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16409f95-296a-46ad-a1a9-08a5499f7248/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Ended with exit code 0 [2024-11-28 02:58:20,386 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:58:20,386 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16409f95-296a-46ad-a1a9-08a5499f7248/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:58:20,387 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16409f95-296a-46ad-a1a9-08a5499f7248/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:58:20,389 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16409f95-296a-46ad-a1a9-08a5499f7248/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2024-11-28 02:58:20,390 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 02:58:20,401 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:58:20,401 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:58:20,401 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 02:58:20,401 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 02:58:20,403 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 02:58:20,403 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 02:58:20,407 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 02:58:20,416 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16409f95-296a-46ad-a1a9-08a5499f7248/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2024-11-28 02:58:20,416 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:58:20,416 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16409f95-296a-46ad-a1a9-08a5499f7248/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:58:20,418 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16409f95-296a-46ad-a1a9-08a5499f7248/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:58:20,421 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16409f95-296a-46ad-a1a9-08a5499f7248/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2024-11-28 02:58:20,422 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 02:58:20,436 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:58:20,437 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:58:20,437 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 02:58:20,437 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 02:58:20,442 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 02:58:20,442 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 02:58:20,479 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 02:58:20,489 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16409f95-296a-46ad-a1a9-08a5499f7248/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2024-11-28 02:58:20,489 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:58:20,489 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16409f95-296a-46ad-a1a9-08a5499f7248/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:58:20,491 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16409f95-296a-46ad-a1a9-08a5499f7248/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:58:20,492 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16409f95-296a-46ad-a1a9-08a5499f7248/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2024-11-28 02:58:20,493 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 02:58:20,504 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:58:20,504 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:58:20,504 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 02:58:20,505 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 02:58:20,508 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 02:58:20,508 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 02:58:20,515 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 02:58:20,525 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16409f95-296a-46ad-a1a9-08a5499f7248/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Ended with exit code 0 [2024-11-28 02:58:20,526 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:58:20,526 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16409f95-296a-46ad-a1a9-08a5499f7248/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:58:20,528 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16409f95-296a-46ad-a1a9-08a5499f7248/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:58:20,530 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16409f95-296a-46ad-a1a9-08a5499f7248/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2024-11-28 02:58:20,533 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 02:58:20,547 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:58:20,547 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:58:20,547 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 02:58:20,547 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 02:58:20,551 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 02:58:20,551 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 02:58:20,557 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 02:58:20,567 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16409f95-296a-46ad-a1a9-08a5499f7248/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2024-11-28 02:58:20,567 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:58:20,568 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16409f95-296a-46ad-a1a9-08a5499f7248/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:58:20,570 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16409f95-296a-46ad-a1a9-08a5499f7248/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:58:20,573 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16409f95-296a-46ad-a1a9-08a5499f7248/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2024-11-28 02:58:20,573 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 02:58:20,585 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:58:20,585 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:58:20,585 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 02:58:20,585 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 02:58:20,588 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 02:58:20,588 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 02:58:20,593 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 02:58:20,598 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16409f95-296a-46ad-a1a9-08a5499f7248/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0 [2024-11-28 02:58:20,598 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:58:20,598 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16409f95-296a-46ad-a1a9-08a5499f7248/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:58:20,600 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16409f95-296a-46ad-a1a9-08a5499f7248/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:58:20,601 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16409f95-296a-46ad-a1a9-08a5499f7248/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2024-11-28 02:58:20,602 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 02:58:20,613 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:58:20,613 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:58:20,613 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 02:58:20,613 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 02:58:20,615 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 02:58:20,615 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 02:58:20,619 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 02:58:20,627 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16409f95-296a-46ad-a1a9-08a5499f7248/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Ended with exit code 0 [2024-11-28 02:58:20,628 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:58:20,628 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16409f95-296a-46ad-a1a9-08a5499f7248/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:58:20,630 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16409f95-296a-46ad-a1a9-08a5499f7248/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:58:20,631 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16409f95-296a-46ad-a1a9-08a5499f7248/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2024-11-28 02:58:20,632 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 02:58:20,644 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:58:20,644 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:58:20,644 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 02:58:20,644 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 02:58:20,645 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 02:58:20,645 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 02:58:20,649 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 02:58:20,657 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16409f95-296a-46ad-a1a9-08a5499f7248/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Ended with exit code 0 [2024-11-28 02:58:20,658 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:58:20,658 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16409f95-296a-46ad-a1a9-08a5499f7248/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:58:20,659 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16409f95-296a-46ad-a1a9-08a5499f7248/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:58:20,661 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16409f95-296a-46ad-a1a9-08a5499f7248/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2024-11-28 02:58:20,662 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 02:58:20,673 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:58:20,673 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:58:20,673 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 02:58:20,673 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 02:58:20,675 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 02:58:20,675 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 02:58:20,681 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 02:58:20,687 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16409f95-296a-46ad-a1a9-08a5499f7248/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Ended with exit code 0 [2024-11-28 02:58:20,688 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:58:20,688 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16409f95-296a-46ad-a1a9-08a5499f7248/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:58:20,690 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16409f95-296a-46ad-a1a9-08a5499f7248/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:58:20,692 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16409f95-296a-46ad-a1a9-08a5499f7248/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2024-11-28 02:58:20,692 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 02:58:20,703 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:58:20,703 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:58:20,703 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 02:58:20,703 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 02:58:20,706 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 02:58:20,706 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 02:58:20,713 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-28 02:58:20,729 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2024-11-28 02:58:20,729 INFO L444 ModelExtractionUtils]: 0 out of 7 variables were initially zero. Simplification set additionally 4 variables to zero. [2024-11-28 02:58:20,729 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:58:20,729 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16409f95-296a-46ad-a1a9-08a5499f7248/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:58:20,731 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16409f95-296a-46ad-a1a9-08a5499f7248/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:58:20,732 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16409f95-296a-46ad-a1a9-08a5499f7248/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2024-11-28 02:58:20,733 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-28 02:58:20,745 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-11-28 02:58:20,745 INFO L474 LassoAnalysis]: Proved termination. [2024-11-28 02:58:20,745 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int#0 ULTIMATE.start_main_~j~0#1.base) ULTIMATE.start_main_~j~0#1.offset)_2) = -2*v_rep(select (select #memory_int#0 ULTIMATE.start_main_~j~0#1.base) ULTIMATE.start_main_~j~0#1.offset)_2 + 23 Supporting invariants [] [2024-11-28 02:58:20,751 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16409f95-296a-46ad-a1a9-08a5499f7248/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Ended with exit code 0 [2024-11-28 02:58:20,830 INFO L156 tatePredicateManager]: 21 out of 21 supporting invariants were superfluous and have been removed [2024-11-28 02:58:20,831 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#0 [2024-11-28 02:58:20,831 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#0,GLOBAL] [2024-11-28 02:58:20,832 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#0,GLOBAL],[IdentifierExpression[~j~0!base,]]] [2024-11-28 02:58:20,847 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:58:20,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:58:20,869 INFO L256 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-28 02:58:20,870 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:58:20,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:58:20,886 INFO L256 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-28 02:58:20,887 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:58:20,926 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:58:20,927 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2024-11-28 02:58:20,927 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 41 states and 44 transitions. cyclomatic complexity: 5 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) [2024-11-28 02:58:20,974 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 41 states and 44 transitions. cyclomatic complexity: 5. 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 111 states and 118 transitions. Complement of second has 9 states. [2024-11-28 02:58:20,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2024-11-28 02:58:20,976 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) [2024-11-28 02:58:20,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 12 transitions. [2024-11-28 02:58:20,976 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 12 transitions. Stem has 5 letters. Loop has 3 letters. [2024-11-28 02:58:20,976 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 02:58:20,977 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 12 transitions. Stem has 8 letters. Loop has 3 letters. [2024-11-28 02:58:20,977 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 02:58:20,977 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 12 transitions. Stem has 5 letters. Loop has 6 letters. [2024-11-28 02:58:20,977 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 02:58:20,977 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 111 states and 118 transitions. [2024-11-28 02:58:20,979 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-11-28 02:58:20,980 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 111 states to 79 states and 83 transitions. [2024-11-28 02:58:20,980 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2024-11-28 02:58:20,980 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2024-11-28 02:58:20,980 INFO L73 IsDeterministic]: Start isDeterministic. Operand 79 states and 83 transitions. [2024-11-28 02:58:20,980 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-28 02:58:20,980 INFO L218 hiAutomatonCegarLoop]: Abstraction has 79 states and 83 transitions. [2024-11-28 02:58:20,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states and 83 transitions. [2024-11-28 02:58:20,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 72. [2024-11-28 02:58:20,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 72 states have (on average 1.0416666666666667) internal successors, (75), 71 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:58:20,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 75 transitions. [2024-11-28 02:58:20,988 INFO L240 hiAutomatonCegarLoop]: Abstraction has 72 states and 75 transitions. [2024-11-28 02:58:20,988 INFO L425 stractBuchiCegarLoop]: Abstraction has 72 states and 75 transitions. [2024-11-28 02:58:20,988 INFO L332 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2024-11-28 02:58:20,988 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 72 states and 75 transitions. [2024-11-28 02:58:20,989 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-11-28 02:58:20,992 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-28 02:58:20,992 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-28 02:58:20,993 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [10, 9, 9, 2, 2, 2, 1, 1, 1, 1] [2024-11-28 02:58:20,993 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-11-28 02:58:20,993 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~malloc4#1.base, main_#t~malloc4#1.offset, main_#t~mem5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~mem8#1, main_#t~mem9#1, main_#t~mem10#1, main_#t~post11#1, main_#t~mem12#1, main_~i~0#1.base, main_~i~0#1.offset, main_~j~0#1.base, main_~j~0#1.offset, main_~c~0#1.base, main_~c~0#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~i~0#1.base, main_~i~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~j~0#1.base, main_~j~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call main_#t~malloc4#1.base, main_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);main_~c~0#1.base, main_~c~0#1.offset := main_#t~malloc4#1.base, main_#t~malloc4#1.offset;call write~int#2(0, main_~c~0#1.base, main_~c~0#1.offset, 4);call write~int#1(0, main_~i~0#1.base, main_~i~0#1.offset, 4);" "call main_#t~mem5#1 := read~int#1(main_~i~0#1.base, main_~i~0#1.offset, 4);" "assume main_#t~mem5#1 < 10;havoc main_#t~mem5#1;" "call write~int#0(3, main_~j~0#1.base, main_~j~0#1.offset, 4);" "call main_#t~mem6#1 := read~int#0(main_~j~0#1.base, main_~j~0#1.offset, 4);" "assume main_#t~mem6#1 < 12;havoc main_#t~mem6#1;" "call main_#t~mem7#1 := read~int#0(main_~j~0#1.base, main_~j~0#1.offset, 4);call write~int#0(main_#t~mem7#1 - 1, main_~j~0#1.base, main_~j~0#1.offset, 4);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int#2(main_~c~0#1.base, main_~c~0#1.offset, 4);call write~int#2(1 + main_#t~mem8#1, main_~c~0#1.base, main_~c~0#1.offset, 4);havoc main_#t~mem8#1;call main_#t~mem9#1 := read~int#0(main_~j~0#1.base, main_~j~0#1.offset, 4);call write~int#0(2 + main_#t~mem9#1, main_~j~0#1.base, main_~j~0#1.offset, 4);havoc main_#t~mem9#1;" "call main_#t~mem6#1 := read~int#0(main_~j~0#1.base, main_~j~0#1.offset, 4);" "assume main_#t~mem6#1 < 12;havoc main_#t~mem6#1;" "call main_#t~mem7#1 := read~int#0(main_~j~0#1.base, main_~j~0#1.offset, 4);call write~int#0(main_#t~mem7#1 - 1, main_~j~0#1.base, main_~j~0#1.offset, 4);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int#2(main_~c~0#1.base, main_~c~0#1.offset, 4);call write~int#2(1 + main_#t~mem8#1, main_~c~0#1.base, main_~c~0#1.offset, 4);havoc main_#t~mem8#1;call main_#t~mem9#1 := read~int#0(main_~j~0#1.base, main_~j~0#1.offset, 4);call write~int#0(2 + main_#t~mem9#1, main_~j~0#1.base, main_~j~0#1.offset, 4);havoc main_#t~mem9#1;" "call main_#t~mem6#1 := read~int#0(main_~j~0#1.base, main_~j~0#1.offset, 4);" "assume main_#t~mem6#1 < 12;havoc main_#t~mem6#1;" "call main_#t~mem7#1 := read~int#0(main_~j~0#1.base, main_~j~0#1.offset, 4);call write~int#0(main_#t~mem7#1 - 1, main_~j~0#1.base, main_~j~0#1.offset, 4);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int#2(main_~c~0#1.base, main_~c~0#1.offset, 4);call write~int#2(1 + main_#t~mem8#1, main_~c~0#1.base, main_~c~0#1.offset, 4);havoc main_#t~mem8#1;call main_#t~mem9#1 := read~int#0(main_~j~0#1.base, main_~j~0#1.offset, 4);call write~int#0(2 + main_#t~mem9#1, main_~j~0#1.base, main_~j~0#1.offset, 4);havoc main_#t~mem9#1;" "call main_#t~mem6#1 := read~int#0(main_~j~0#1.base, main_~j~0#1.offset, 4);" "assume main_#t~mem6#1 < 12;havoc main_#t~mem6#1;" "call main_#t~mem7#1 := read~int#0(main_~j~0#1.base, main_~j~0#1.offset, 4);call write~int#0(main_#t~mem7#1 - 1, main_~j~0#1.base, main_~j~0#1.offset, 4);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int#2(main_~c~0#1.base, main_~c~0#1.offset, 4);call write~int#2(1 + main_#t~mem8#1, main_~c~0#1.base, main_~c~0#1.offset, 4);havoc main_#t~mem8#1;call main_#t~mem9#1 := read~int#0(main_~j~0#1.base, main_~j~0#1.offset, 4);call write~int#0(2 + main_#t~mem9#1, main_~j~0#1.base, main_~j~0#1.offset, 4);havoc main_#t~mem9#1;" "call main_#t~mem6#1 := read~int#0(main_~j~0#1.base, main_~j~0#1.offset, 4);" "assume main_#t~mem6#1 < 12;havoc main_#t~mem6#1;" "call main_#t~mem7#1 := read~int#0(main_~j~0#1.base, main_~j~0#1.offset, 4);call write~int#0(main_#t~mem7#1 - 1, main_~j~0#1.base, main_~j~0#1.offset, 4);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int#2(main_~c~0#1.base, main_~c~0#1.offset, 4);call write~int#2(1 + main_#t~mem8#1, main_~c~0#1.base, main_~c~0#1.offset, 4);havoc main_#t~mem8#1;call main_#t~mem9#1 := read~int#0(main_~j~0#1.base, main_~j~0#1.offset, 4);call write~int#0(2 + main_#t~mem9#1, main_~j~0#1.base, main_~j~0#1.offset, 4);havoc main_#t~mem9#1;" "call main_#t~mem6#1 := read~int#0(main_~j~0#1.base, main_~j~0#1.offset, 4);" "assume main_#t~mem6#1 < 12;havoc main_#t~mem6#1;" "call main_#t~mem7#1 := read~int#0(main_~j~0#1.base, main_~j~0#1.offset, 4);call write~int#0(main_#t~mem7#1 - 1, main_~j~0#1.base, main_~j~0#1.offset, 4);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int#2(main_~c~0#1.base, main_~c~0#1.offset, 4);call write~int#2(1 + main_#t~mem8#1, main_~c~0#1.base, main_~c~0#1.offset, 4);havoc main_#t~mem8#1;call main_#t~mem9#1 := read~int#0(main_~j~0#1.base, main_~j~0#1.offset, 4);call write~int#0(2 + main_#t~mem9#1, main_~j~0#1.base, main_~j~0#1.offset, 4);havoc main_#t~mem9#1;" "call main_#t~mem6#1 := read~int#0(main_~j~0#1.base, main_~j~0#1.offset, 4);" "assume main_#t~mem6#1 < 12;havoc main_#t~mem6#1;" "call main_#t~mem7#1 := read~int#0(main_~j~0#1.base, main_~j~0#1.offset, 4);call write~int#0(main_#t~mem7#1 - 1, main_~j~0#1.base, main_~j~0#1.offset, 4);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int#2(main_~c~0#1.base, main_~c~0#1.offset, 4);call write~int#2(1 + main_#t~mem8#1, main_~c~0#1.base, main_~c~0#1.offset, 4);havoc main_#t~mem8#1;call main_#t~mem9#1 := read~int#0(main_~j~0#1.base, main_~j~0#1.offset, 4);call write~int#0(2 + main_#t~mem9#1, main_~j~0#1.base, main_~j~0#1.offset, 4);havoc main_#t~mem9#1;" "call main_#t~mem6#1 := read~int#0(main_~j~0#1.base, main_~j~0#1.offset, 4);" "assume main_#t~mem6#1 < 12;havoc main_#t~mem6#1;" "call main_#t~mem7#1 := read~int#0(main_~j~0#1.base, main_~j~0#1.offset, 4);call write~int#0(main_#t~mem7#1 - 1, main_~j~0#1.base, main_~j~0#1.offset, 4);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int#2(main_~c~0#1.base, main_~c~0#1.offset, 4);call write~int#2(1 + main_#t~mem8#1, main_~c~0#1.base, main_~c~0#1.offset, 4);havoc main_#t~mem8#1;call main_#t~mem9#1 := read~int#0(main_~j~0#1.base, main_~j~0#1.offset, 4);call write~int#0(2 + main_#t~mem9#1, main_~j~0#1.base, main_~j~0#1.offset, 4);havoc main_#t~mem9#1;" "call main_#t~mem6#1 := read~int#0(main_~j~0#1.base, main_~j~0#1.offset, 4);" "assume main_#t~mem6#1 < 12;havoc main_#t~mem6#1;" "call main_#t~mem7#1 := read~int#0(main_~j~0#1.base, main_~j~0#1.offset, 4);call write~int#0(main_#t~mem7#1 - 1, main_~j~0#1.base, main_~j~0#1.offset, 4);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int#2(main_~c~0#1.base, main_~c~0#1.offset, 4);call write~int#2(1 + main_#t~mem8#1, main_~c~0#1.base, main_~c~0#1.offset, 4);havoc main_#t~mem8#1;call main_#t~mem9#1 := read~int#0(main_~j~0#1.base, main_~j~0#1.offset, 4);call write~int#0(2 + main_#t~mem9#1, main_~j~0#1.base, main_~j~0#1.offset, 4);havoc main_#t~mem9#1;" "call main_#t~mem6#1 := read~int#0(main_~j~0#1.base, main_~j~0#1.offset, 4);" "assume !(main_#t~mem6#1 < 12);havoc main_#t~mem6#1;" "call main_#t~mem10#1 := read~int#1(main_~i~0#1.base, main_~i~0#1.offset, 4);main_#t~post11#1 := main_#t~mem10#1;call write~int#1(1 + main_#t~post11#1, main_~i~0#1.base, main_~i~0#1.offset, 4);havoc main_#t~mem10#1;havoc main_#t~post11#1;" "call main_#t~mem5#1 := read~int#1(main_~i~0#1.base, main_~i~0#1.offset, 4);" "assume main_#t~mem5#1 < 10;havoc main_#t~mem5#1;" "call write~int#0(3, main_~j~0#1.base, main_~j~0#1.offset, 4);" [2024-11-28 02:58:20,993 INFO L749 eck$LassoCheckResult]: Loop: "call main_#t~mem6#1 := read~int#0(main_~j~0#1.base, main_~j~0#1.offset, 4);" "assume main_#t~mem6#1 < 12;havoc main_#t~mem6#1;" "call main_#t~mem7#1 := read~int#0(main_~j~0#1.base, main_~j~0#1.offset, 4);call write~int#0(main_#t~mem7#1 - 1, main_~j~0#1.base, main_~j~0#1.offset, 4);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int#2(main_~c~0#1.base, main_~c~0#1.offset, 4);call write~int#2(1 + main_#t~mem8#1, main_~c~0#1.base, main_~c~0#1.offset, 4);havoc main_#t~mem8#1;call main_#t~mem9#1 := read~int#0(main_~j~0#1.base, main_~j~0#1.offset, 4);call write~int#0(2 + main_#t~mem9#1, main_~j~0#1.base, main_~j~0#1.offset, 4);havoc main_#t~mem9#1;" [2024-11-28 02:58:20,994 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:58:20,994 INFO L85 PathProgramCache]: Analyzing trace with hash 1925815457, now seen corresponding path program 2 times [2024-11-28 02:58:20,994 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 02:58:20,994 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [650281536] [2024-11-28 02:58:20,994 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:58:20,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:58:21,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:58:21,039 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 02:58:21,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:58:21,073 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 02:58:21,073 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:58:21,074 INFO L85 PathProgramCache]: Analyzing trace with hash 46772, now seen corresponding path program 2 times [2024-11-28 02:58:21,074 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 02:58:21,074 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1240006198] [2024-11-28 02:58:21,074 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:58:21,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:58:21,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:58:21,082 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 02:58:21,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:58:21,087 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 02:58:21,088 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:58:21,088 INFO L85 PathProgramCache]: Analyzing trace with hash -204843500, now seen corresponding path program 3 times [2024-11-28 02:58:21,088 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 02:58:21,088 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [317735827] [2024-11-28 02:58:21,088 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:58:21,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:58:21,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:58:21,150 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 02:58:21,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:58:21,198 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 02:58:33,204 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16409f95-296a-46ad-a1a9-08a5499f7248/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2024-11-28 02:58:50,759 WARN L286 SmtUtils]: Spent 29.46s on a formula simplification. DAG size of input: 272 DAG size of output: 237 (called from [L 276] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2024-11-28 02:58:50,991 INFO L204 LassoAnalysis]: Preferences: [2024-11-28 02:58:50,991 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-28 02:58:50,991 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-28 02:58:50,991 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-28 02:58:50,991 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-28 02:58:50,991 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:58:50,991 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-28 02:58:50,991 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-28 02:58:50,991 INFO L132 ssoRankerPreferences]: Filename of dumped script: java_Nested-alloca.i_Iteration7_Lasso [2024-11-28 02:58:50,991 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-28 02:58:50,991 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-28 02:58:50,993 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:58:51,002 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:58:51,004 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:58:51,005 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:58:51,008 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:58:51,010 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:58:51,459 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:58:51,462 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:58:51,465 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:58:51,467 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:58:51,470 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:58:51,473 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:58:51,475 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:58:51,881 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-28 02:58:51,881 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-28 02:58:51,882 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:58:51,882 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16409f95-296a-46ad-a1a9-08a5499f7248/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:58:51,887 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16409f95-296a-46ad-a1a9-08a5499f7248/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:58:51,889 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16409f95-296a-46ad-a1a9-08a5499f7248/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2024-11-28 02:58:51,890 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 02:58:51,902 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:58:51,902 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 02:58:51,902 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:58:51,902 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 02:58:51,902 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 02:58:51,902 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 02:58:51,902 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 02:58:51,904 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 02:58:51,910 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16409f95-296a-46ad-a1a9-08a5499f7248/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2024-11-28 02:58:51,911 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:58:51,911 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16409f95-296a-46ad-a1a9-08a5499f7248/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:58:51,912 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16409f95-296a-46ad-a1a9-08a5499f7248/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:58:51,913 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16409f95-296a-46ad-a1a9-08a5499f7248/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2024-11-28 02:58:51,914 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 02:58:51,925 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:58:51,925 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 02:58:51,926 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:58:51,926 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 02:58:51,926 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 02:58:51,926 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 02:58:51,926 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 02:58:51,927 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 02:58:51,933 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16409f95-296a-46ad-a1a9-08a5499f7248/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2024-11-28 02:58:51,933 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:58:51,933 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16409f95-296a-46ad-a1a9-08a5499f7248/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:58:51,935 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16409f95-296a-46ad-a1a9-08a5499f7248/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:58:51,936 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16409f95-296a-46ad-a1a9-08a5499f7248/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2024-11-28 02:58:51,937 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 02:58:51,948 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:58:51,948 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 02:58:51,948 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:58:51,948 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 02:58:51,948 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 02:58:51,949 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 02:58:51,949 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 02:58:51,950 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 02:58:51,957 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16409f95-296a-46ad-a1a9-08a5499f7248/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Ended with exit code 0 [2024-11-28 02:58:51,957 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:58:51,957 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16409f95-296a-46ad-a1a9-08a5499f7248/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:58:51,959 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16409f95-296a-46ad-a1a9-08a5499f7248/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:58:51,960 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16409f95-296a-46ad-a1a9-08a5499f7248/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2024-11-28 02:58:51,962 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 02:58:51,976 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:58:51,976 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:58:51,976 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 02:58:51,976 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 02:58:51,980 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 02:58:51,980 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 02:58:51,984 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 02:58:51,993 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16409f95-296a-46ad-a1a9-08a5499f7248/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Ended with exit code 0 [2024-11-28 02:58:51,993 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:58:51,993 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16409f95-296a-46ad-a1a9-08a5499f7248/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:58:51,996 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16409f95-296a-46ad-a1a9-08a5499f7248/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:58:52,000 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16409f95-296a-46ad-a1a9-08a5499f7248/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2024-11-28 02:58:52,001 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 02:58:52,017 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:58:52,018 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 02:58:52,018 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:58:52,018 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 02:58:52,018 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 02:58:52,019 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 02:58:52,019 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 02:58:52,023 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 02:58:52,033 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16409f95-296a-46ad-a1a9-08a5499f7248/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Ended with exit code 0 [2024-11-28 02:58:52,033 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:58:52,034 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16409f95-296a-46ad-a1a9-08a5499f7248/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:58:52,036 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16409f95-296a-46ad-a1a9-08a5499f7248/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:58:52,039 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16409f95-296a-46ad-a1a9-08a5499f7248/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2024-11-28 02:58:52,039 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 02:58:52,051 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:58:52,051 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:58:52,051 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 02:58:52,052 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 02:58:52,055 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 02:58:52,055 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 02:58:52,061 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 02:58:52,072 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16409f95-296a-46ad-a1a9-08a5499f7248/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2024-11-28 02:58:52,074 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:58:52,074 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16409f95-296a-46ad-a1a9-08a5499f7248/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:58:52,076 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16409f95-296a-46ad-a1a9-08a5499f7248/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:58:52,078 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16409f95-296a-46ad-a1a9-08a5499f7248/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2024-11-28 02:58:52,079 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 02:58:52,092 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:58:52,092 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:58:52,092 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 02:58:52,092 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 02:58:52,095 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 02:58:52,095 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 02:58:52,101 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 02:58:52,110 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16409f95-296a-46ad-a1a9-08a5499f7248/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Ended with exit code 0 [2024-11-28 02:58:52,110 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:58:52,110 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16409f95-296a-46ad-a1a9-08a5499f7248/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:58:52,112 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16409f95-296a-46ad-a1a9-08a5499f7248/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:58:52,113 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16409f95-296a-46ad-a1a9-08a5499f7248/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2024-11-28 02:58:52,114 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 02:58:52,125 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:58:52,125 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:58:52,126 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 02:58:52,126 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 02:58:52,129 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 02:58:52,129 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 02:58:52,136 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 02:58:52,146 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16409f95-296a-46ad-a1a9-08a5499f7248/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Ended with exit code 0 [2024-11-28 02:58:52,146 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:58:52,146 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16409f95-296a-46ad-a1a9-08a5499f7248/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:58:52,149 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16409f95-296a-46ad-a1a9-08a5499f7248/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:58:52,153 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 02:58:52,157 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16409f95-296a-46ad-a1a9-08a5499f7248/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2024-11-28 02:58:52,168 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:58:52,168 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:58:52,168 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 02:58:52,168 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 02:58:52,171 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 02:58:52,172 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 02:58:52,179 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 02:58:52,187 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16409f95-296a-46ad-a1a9-08a5499f7248/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2024-11-28 02:58:52,188 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:58:52,188 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16409f95-296a-46ad-a1a9-08a5499f7248/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:58:52,190 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16409f95-296a-46ad-a1a9-08a5499f7248/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:58:52,191 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16409f95-296a-46ad-a1a9-08a5499f7248/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2024-11-28 02:58:52,192 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 02:58:52,203 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:58:52,203 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:58:52,203 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 02:58:52,203 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 02:58:52,206 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 02:58:52,206 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 02:58:52,211 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 02:58:52,216 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16409f95-296a-46ad-a1a9-08a5499f7248/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Ended with exit code 0 [2024-11-28 02:58:52,217 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:58:52,217 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16409f95-296a-46ad-a1a9-08a5499f7248/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:58:52,219 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16409f95-296a-46ad-a1a9-08a5499f7248/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:58:52,221 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16409f95-296a-46ad-a1a9-08a5499f7248/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2024-11-28 02:58:52,222 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 02:58:52,233 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:58:52,233 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:58:52,233 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 02:58:52,233 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 02:58:52,235 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 02:58:52,235 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 02:58:52,238 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 02:58:52,244 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16409f95-296a-46ad-a1a9-08a5499f7248/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Ended with exit code 0 [2024-11-28 02:58:52,244 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:58:52,245 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16409f95-296a-46ad-a1a9-08a5499f7248/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:58:52,246 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16409f95-296a-46ad-a1a9-08a5499f7248/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:58:52,247 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16409f95-296a-46ad-a1a9-08a5499f7248/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2024-11-28 02:58:52,249 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 02:58:52,261 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:58:52,261 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:58:52,261 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 02:58:52,261 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 02:58:52,264 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 02:58:52,265 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 02:58:52,270 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 02:58:52,276 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16409f95-296a-46ad-a1a9-08a5499f7248/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Forceful destruction successful, exit code 0 [2024-11-28 02:58:52,276 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:58:52,276 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16409f95-296a-46ad-a1a9-08a5499f7248/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:58:52,278 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16409f95-296a-46ad-a1a9-08a5499f7248/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:58:52,279 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16409f95-296a-46ad-a1a9-08a5499f7248/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2024-11-28 02:58:52,280 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 02:58:52,292 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:58:52,292 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:58:52,292 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 02:58:52,292 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 02:58:52,295 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 02:58:52,295 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 02:58:52,302 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-28 02:58:52,322 INFO L443 ModelExtractionUtils]: Simplification made 11 calls to the SMT solver. [2024-11-28 02:58:52,322 INFO L444 ModelExtractionUtils]: 1 out of 10 variables were initially zero. Simplification set additionally 6 variables to zero. [2024-11-28 02:58:52,323 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:58:52,323 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16409f95-296a-46ad-a1a9-08a5499f7248/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:58:52,325 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16409f95-296a-46ad-a1a9-08a5499f7248/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:58:52,327 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16409f95-296a-46ad-a1a9-08a5499f7248/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2024-11-28 02:58:52,327 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-28 02:58:52,340 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-11-28 02:58:52,340 INFO L474 LassoAnalysis]: Proved termination. [2024-11-28 02:58:52,340 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int#0 ULTIMATE.start_main_~j~0#1.base) 0)_1) = -2*v_rep(select (select #memory_int#0 ULTIMATE.start_main_~j~0#1.base) 0)_1 + 23 Supporting invariants [] [2024-11-28 02:58:52,350 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16409f95-296a-46ad-a1a9-08a5499f7248/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Ended with exit code 0 [2024-11-28 02:58:52,408 INFO L156 tatePredicateManager]: 21 out of 22 supporting invariants were superfluous and have been removed [2024-11-28 02:58:52,410 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#0 [2024-11-28 02:58:52,410 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#0,GLOBAL] [2024-11-28 02:58:52,410 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#0,GLOBAL],[IdentifierExpression[~j~0!base,]]] [2024-11-28 02:58:52,432 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:58:52,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:58:52,498 INFO L256 TraceCheckSpWp]: Trace formula consists of 317 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-28 02:58:52,500 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:58:52,658 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16409f95-296a-46ad-a1a9-08a5499f7248/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Forceful destruction successful, exit code 0 [2024-11-28 02:58:52,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:58:52,691 INFO L256 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-28 02:58:52,692 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:58:52,740 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:58:52,741 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.3 stem predicates 3 loop predicates [2024-11-28 02:58:52,741 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 72 states and 75 transitions. cyclomatic complexity: 6 Second operand has 6 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 6 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:58:52,824 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 72 states and 75 transitions. cyclomatic complexity: 6. Second operand has 6 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 6 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 103 states and 108 transitions. Complement of second has 10 states. [2024-11-28 02:58:52,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 2 stem states 3 non-accepting loop states 1 accepting loop states [2024-11-28 02:58:52,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 6 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:58:52,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 12 transitions. [2024-11-28 02:58:52,826 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 12 transitions. Stem has 38 letters. Loop has 3 letters. [2024-11-28 02:58:52,826 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 02:58:52,826 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-11-28 02:58:52,854 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:58:52,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:58:52,921 INFO L256 TraceCheckSpWp]: Trace formula consists of 317 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-28 02:58:52,923 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:58:53,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:58:53,097 INFO L256 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-28 02:58:53,098 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:58:53,151 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:58:53,151 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.3 stem predicates 3 loop predicates [2024-11-28 02:58:53,151 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 72 states and 75 transitions. cyclomatic complexity: 6 Second operand has 6 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 6 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:58:53,224 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 72 states and 75 transitions. cyclomatic complexity: 6. Second operand has 6 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 6 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 103 states and 108 transitions. Complement of second has 10 states. [2024-11-28 02:58:53,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 2 stem states 3 non-accepting loop states 1 accepting loop states [2024-11-28 02:58:53,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 6 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:58:53,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 12 transitions. [2024-11-28 02:58:53,228 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 12 transitions. Stem has 38 letters. Loop has 3 letters. [2024-11-28 02:58:53,229 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 02:58:53,229 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-11-28 02:58:53,251 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:58:53,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:58:53,322 INFO L256 TraceCheckSpWp]: Trace formula consists of 317 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-28 02:58:53,323 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:58:53,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:58:53,483 INFO L256 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-28 02:58:53,484 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:58:53,533 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:58:53,533 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.3 stem predicates 3 loop predicates [2024-11-28 02:58:53,534 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 72 states and 75 transitions. cyclomatic complexity: 6 Second operand has 6 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 6 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:58:53,619 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 72 states and 75 transitions. cyclomatic complexity: 6. Second operand has 6 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 6 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 119 states and 126 transitions. Complement of second has 9 states. [2024-11-28 02:58:53,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 2 stem states 3 non-accepting loop states 1 accepting loop states [2024-11-28 02:58:53,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 6 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:58:53,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 18 transitions. [2024-11-28 02:58:53,622 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 18 transitions. Stem has 38 letters. Loop has 3 letters. [2024-11-28 02:58:53,622 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 02:58:53,622 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 18 transitions. Stem has 41 letters. Loop has 3 letters. [2024-11-28 02:58:53,623 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 02:58:53,623 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 18 transitions. Stem has 38 letters. Loop has 6 letters. [2024-11-28 02:58:53,623 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 02:58:53,623 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 119 states and 126 transitions. [2024-11-28 02:58:53,630 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-28 02:58:53,630 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 119 states to 0 states and 0 transitions. [2024-11-28 02:58:53,630 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-11-28 02:58:53,630 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-11-28 02:58:53,630 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-11-28 02:58:53,630 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-28 02:58:53,630 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-28 02:58:53,630 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-28 02:58:53,631 INFO L425 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-28 02:58:53,631 INFO L332 stractBuchiCegarLoop]: ======== Iteration 8 ============ [2024-11-28 02:58:53,631 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2024-11-28 02:58:53,631 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-28 02:58:53,631 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2024-11-28 02:58:53,638 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 02:58:53 BoogieIcfgContainer [2024-11-28 02:58:53,638 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-28 02:58:53,639 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 02:58:53,639 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 02:58:53,639 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 02:58:53,640 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:57:58" (3/4) ... [2024-11-28 02:58:53,642 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-28 02:58:53,643 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 02:58:53,644 INFO L158 Benchmark]: Toolchain (without parser) took 55921.57ms. Allocated memory was 142.6MB in the beginning and 201.3MB in the end (delta: 58.7MB). Free memory was 116.4MB in the beginning and 85.8MB in the end (delta: 30.6MB). Peak memory consumption was 89.6MB. Max. memory is 16.1GB. [2024-11-28 02:58:53,644 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 117.4MB. Free memory is still 74.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 02:58:53,644 INFO L158 Benchmark]: CACSL2BoogieTranslator took 466.00ms. Allocated memory is still 142.6MB. Free memory was 116.2MB in the beginning and 100.1MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-28 02:58:53,645 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.55ms. Allocated memory is still 142.6MB. Free memory was 100.1MB in the beginning and 98.7MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 02:58:53,645 INFO L158 Benchmark]: Boogie Preprocessor took 59.24ms. Allocated memory is still 142.6MB. Free memory was 98.7MB in the beginning and 97.2MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 02:58:53,645 INFO L158 Benchmark]: RCFGBuilder took 426.38ms. Allocated memory is still 142.6MB. Free memory was 97.2MB in the beginning and 85.8MB in the end (delta: 11.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-28 02:58:53,645 INFO L158 Benchmark]: BuchiAutomizer took 54923.16ms. Allocated memory was 142.6MB in the beginning and 201.3MB in the end (delta: 58.7MB). Free memory was 85.6MB in the beginning and 85.8MB in the end (delta: -240.6kB). Peak memory consumption was 56.1MB. Max. memory is 16.1GB. [2024-11-28 02:58:53,646 INFO L158 Benchmark]: Witness Printer took 3.97ms. Allocated memory is still 201.3MB. Free memory was 85.8MB in the beginning and 85.8MB in the end (delta: 39.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 02:58:53,648 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 117.4MB. Free memory is still 74.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 466.00ms. Allocated memory is still 142.6MB. Free memory was 116.2MB in the beginning and 100.1MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.55ms. Allocated memory is still 142.6MB. Free memory was 100.1MB in the beginning and 98.7MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 59.24ms. Allocated memory is still 142.6MB. Free memory was 98.7MB in the beginning and 97.2MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 426.38ms. Allocated memory is still 142.6MB. Free memory was 97.2MB in the beginning and 85.8MB in the end (delta: 11.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * BuchiAutomizer took 54923.16ms. Allocated memory was 142.6MB in the beginning and 201.3MB in the end (delta: 58.7MB). Free memory was 85.6MB in the beginning and 85.8MB in the end (delta: -240.6kB). Peak memory consumption was 56.1MB. Max. memory is 16.1GB. * Witness Printer took 3.97ms. Allocated memory is still 201.3MB. Free memory was 85.8MB in the beginning and 85.8MB in the end (delta: 39.2kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#1 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#1,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#1,GLOBAL],[IdentifierExpression[~i~0!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#0,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#0,GLOBAL],[IdentifierExpression[~j~0!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#0,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#0,GLOBAL],[IdentifierExpression[~j~0!base,]]] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 7 terminating modules (4 trivial, 2 deterministic, 1 nondeterministic). One deterministic module has affine ranking function null and consists of 4 locations. One deterministic module has affine ranking function null and consists of 5 locations. One nondeterministic module has affine ranking function null and consists of 6 locations. 4 modules have a trivial ranking function, the largest among these consists of 20 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 54.8s and 8 iterations. TraceHistogramMax:10. Analysis of lassos took 52.4s. Construction of modules took 0.2s. Büchi inclusion checks took 2.0s. Highest rank in rank-based complementation 3. Minimization of det autom 5. Minimization of nondet autom 2. Automata minimization 0.0s AutomataMinimizationTime, 6 MinimizatonAttempts, 36 StatesRemovedByMinimization, 5 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [2, 0, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 126/126 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 96 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 94 mSDsluCounter, 201 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 127 mSDsCounter, 26 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 175 IncrementalHoareTripleChecker+Invalid, 201 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 26 mSolverCounterUnsat, 74 mSDtfsCounter, 175 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI4 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso3 LassoPreprocessingBenchmarks: Lassos: inital209 mio100 ax108 hnf100 lsp92 ukn77 mio100 lsp23 div100 bol100 ite100 ukn100 eq163 hnf90 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 45ms VariablesStem: 3 VariablesLoop: 3 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2024-11-28 02:58:53,671 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16409f95-296a-46ad-a1a9-08a5499f7248/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-28 02:58:53,870 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16409f95-296a-46ad-a1a9-08a5499f7248/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-28 02:58:54,070 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16409f95-296a-46ad-a1a9-08a5499f7248/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-28 02:58:54,270 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16409f95-296a-46ad-a1a9-08a5499f7248/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-28 02:58:54,473 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16409f95-296a-46ad-a1a9-08a5499f7248/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