./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/loops/invert_string-3.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 6497de01 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e5b993e-baf0-41fb-9ae7-1f426893f48c/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e5b993e-baf0-41fb-9ae7-1f426893f48c/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e5b993e-baf0-41fb-9ae7-1f426893f48c/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e5b993e-baf0-41fb-9ae7-1f426893f48c/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/loops/invert_string-3.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e5b993e-baf0-41fb-9ae7-1f426893f48c/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e5b993e-baf0-41fb-9ae7-1f426893f48c/bin/uautomizer-verify-LYvppIcaGC --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ca98535e808a51f7cfa7d21c9d33f259821212a6554e27f29c2bddd9197c0249 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-24 02:02:53,149 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 02:02:53,275 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e5b993e-baf0-41fb-9ae7-1f426893f48c/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-24 02:02:53,287 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 02:02:53,287 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-24 02:02:53,320 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 02:02:53,321 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-24 02:02:53,321 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-24 02:02:53,322 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-24 02:02:53,322 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-24 02:02:53,322 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 02:02:53,323 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 02:02:53,323 INFO L153 SettingsManager]: * Use SBE=true [2024-11-24 02:02:53,323 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-24 02:02:53,323 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-24 02:02:53,323 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-24 02:02:53,324 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-24 02:02:53,324 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-24 02:02:53,324 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-24 02:02:53,324 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 02:02:53,324 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-24 02:02:53,325 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-24 02:02:53,325 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-24 02:02:53,325 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-24 02:02:53,325 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 02:02:53,325 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-24 02:02:53,325 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-24 02:02:53,326 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-24 02:02:53,326 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-24 02:02:53,326 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-24 02:02:53,326 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 02:02:53,326 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-24 02:02:53,327 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 02:02:53,327 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 02:02:53,327 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 02:02:53,327 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 02:02:53,327 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 02:02:53,328 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL_NO_AM [2024-11-24 02:02:53,328 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-24 02:02:53,328 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_8e5b993e-baf0-41fb-9ae7-1f426893f48c/bin/uautomizer-verify-LYvppIcaGC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ca98535e808a51f7cfa7d21c9d33f259821212a6554e27f29c2bddd9197c0249 [2024-11-24 02:02:53,717 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 02:02:53,729 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 02:02:53,732 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 02:02:53,733 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 02:02:53,734 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 02:02:53,736 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e5b993e-baf0-41fb-9ae7-1f426893f48c/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/loops/invert_string-3.c [2024-11-24 02:02:57,452 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e5b993e-baf0-41fb-9ae7-1f426893f48c/bin/uautomizer-verify-LYvppIcaGC/data/ba8362713/eb0221ea2efb447eb968b36004bdcfae/FLAGccedb9aa9 [2024-11-24 02:02:57,753 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 02:02:57,756 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e5b993e-baf0-41fb-9ae7-1f426893f48c/sv-benchmarks/c/loops/invert_string-3.c [2024-11-24 02:02:57,767 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e5b993e-baf0-41fb-9ae7-1f426893f48c/bin/uautomizer-verify-LYvppIcaGC/data/ba8362713/eb0221ea2efb447eb968b36004bdcfae/FLAGccedb9aa9 [2024-11-24 02:02:58,042 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e5b993e-baf0-41fb-9ae7-1f426893f48c/bin/uautomizer-verify-LYvppIcaGC/data/ba8362713/eb0221ea2efb447eb968b36004bdcfae [2024-11-24 02:02:58,049 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 02:02:58,051 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 02:02:58,053 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 02:02:58,053 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 02:02:58,060 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 02:02:58,061 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 02:02:58" (1/1) ... [2024-11-24 02:02:58,062 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66ec499e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:02:58, skipping insertion in model container [2024-11-24 02:02:58,065 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 02:02:58" (1/1) ... [2024-11-24 02:02:58,084 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 02:02:58,299 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 02:02:58,323 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 02:02:58,347 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 02:02:58,363 INFO L204 MainTranslator]: Completed translation [2024-11-24 02:02:58,364 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:02:58 WrapperNode [2024-11-24 02:02:58,364 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 02:02:58,365 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 02:02:58,365 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 02:02:58,366 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 02:02:58,381 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:02:58" (1/1) ... [2024-11-24 02:02:58,387 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:02:58" (1/1) ... [2024-11-24 02:02:58,409 INFO L138 Inliner]: procedures = 14, calls = 19, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 66 [2024-11-24 02:02:58,412 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 02:02:58,413 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 02:02:58,413 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 02:02:58,413 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 02:02:58,425 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:02:58" (1/1) ... [2024-11-24 02:02:58,425 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:02:58" (1/1) ... [2024-11-24 02:02:58,429 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:02:58" (1/1) ... [2024-11-24 02:02:58,457 INFO L175 MemorySlicer]: Split 8 memory accesses to 3 slices as follows [2, 2, 4]. 50 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0]. The 3 writes are split as follows [0, 1, 2]. [2024-11-24 02:02:58,457 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:02:58" (1/1) ... [2024-11-24 02:02:58,457 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:02:58" (1/1) ... [2024-11-24 02:02:58,465 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:02:58" (1/1) ... [2024-11-24 02:02:58,466 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:02:58" (1/1) ... [2024-11-24 02:02:58,474 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:02:58" (1/1) ... [2024-11-24 02:02:58,478 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:02:58" (1/1) ... [2024-11-24 02:02:58,479 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:02:58" (1/1) ... [2024-11-24 02:02:58,485 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 02:02:58,485 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 02:02:58,486 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 02:02:58,486 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 02:02:58,487 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:02:58" (1/1) ... [2024-11-24 02:02:58,499 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-24 02:02:58,515 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e5b993e-baf0-41fb-9ae7-1f426893f48c/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 02:02:58,536 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e5b993e-baf0-41fb-9ae7-1f426893f48c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-24 02:02:58,542 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e5b993e-baf0-41fb-9ae7-1f426893f48c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-11-24 02:02:58,575 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 02:02:58,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-24 02:02:58,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-24 02:02:58,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-24 02:02:58,576 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-24 02:02:58,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-24 02:02:58,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-24 02:02:58,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-24 02:02:58,576 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 02:02:58,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 02:02:58,577 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-24 02:02:58,577 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-24 02:02:58,577 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-24 02:02:58,577 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-24 02:02:58,652 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 02:02:58,655 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 02:02:58,841 INFO L? ?]: Removed 11 outVars from TransFormulas that were not future-live. [2024-11-24 02:02:58,841 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 02:02:58,855 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 02:02:58,855 INFO L312 CfgBuilder]: Removed 3 assume(true) statements. [2024-11-24 02:02:58,856 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 02:02:58 BoogieIcfgContainer [2024-11-24 02:02:58,856 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 02:02:58,857 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-24 02:02:58,857 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-24 02:02:58,864 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-24 02:02:58,865 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-24 02:02:58,865 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 24.11 02:02:58" (1/3) ... [2024-11-24 02:02:58,867 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2485cb7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 24.11 02:02:58, skipping insertion in model container [2024-11-24 02:02:58,867 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-24 02:02:58,867 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:02:58" (2/3) ... [2024-11-24 02:02:58,867 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2485cb7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 24.11 02:02:58, skipping insertion in model container [2024-11-24 02:02:58,867 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-24 02:02:58,868 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 02:02:58" (3/3) ... [2024-11-24 02:02:58,869 INFO L363 chiAutomizerObserver]: Analyzing ICFG invert_string-3.c [2024-11-24 02:02:58,944 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-24 02:02:58,944 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-24 02:02:58,944 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-24 02:02:58,944 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-24 02:02:58,944 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-24 02:02:58,944 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-24 02:02:58,944 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-24 02:02:58,944 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-24 02:02:58,951 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 18 states, 17 states have (on average 1.411764705882353) internal successors, (24), 17 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 02:02:58,970 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 10 [2024-11-24 02:02:58,971 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-24 02:02:58,971 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-24 02:02:58,976 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-24 02:02:58,976 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-24 02:02:58,976 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-24 02:02:58,977 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 18 states, 17 states have (on average 1.411764705882353) internal successors, (24), 17 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 02:02:58,978 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 10 [2024-11-24 02:02:58,978 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-24 02:02:58,978 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-24 02:02:58,978 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-24 02:02:58,978 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-24 02:02:58,988 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(18, 2);call #Ultimate.allocInit(12, 3);" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~post5#1, main_#t~mem6#1, main_#t~post7#1, main_#t~post8#1, main_#t~mem9#1, main_#t~mem10#1, main_#t~post11#1, main_#t~post12#1, main_~max~0#1, main_~#str1~0#1.base, main_~#str1~0#1.offset, main_~#str2~0#1.base, main_~#str2~0#1.offset, main_~i~0#1, main_~j~0#1;main_~max~0#1 := 5;call main_~#str1~0#1.base, main_~#str1~0#1.offset := #Ultimate.allocOnStack(main_~max~0#1 % 4294967296);call main_~#str2~0#1.base, main_~#str2~0#1.offset := #Ultimate.allocOnStack(main_~max~0#1 % 4294967296);havoc main_~i~0#1;havoc main_~j~0#1;main_~i~0#1 := 0;" [2024-11-24 02:02:58,988 INFO L749 eck$LassoCheckResult]: Loop: "assume main_~i~0#1 % 4294967296 < main_~max~0#1 % 4294967296;" "havoc main_#t~nondet4#1;call write~int#2(main_#t~nondet4#1, main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet4#1;main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" [2024-11-24 02:02:58,994 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:02:58,994 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2024-11-24 02:02:59,006 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-24 02:02:59,009 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [601558947] [2024-11-24 02:02:59,013 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:02:59,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 02:02:59,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 02:02:59,207 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 02:02:59,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 02:02:59,255 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-24 02:02:59,258 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:02:59,259 INFO L85 PathProgramCache]: Analyzing trace with hash 1221, now seen corresponding path program 1 times [2024-11-24 02:02:59,259 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-24 02:02:59,259 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [959636582] [2024-11-24 02:02:59,259 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:02:59,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 02:02:59,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 02:02:59,279 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 02:02:59,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 02:02:59,292 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-24 02:02:59,296 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:02:59,296 INFO L85 PathProgramCache]: Analyzing trace with hash 925703, now seen corresponding path program 1 times [2024-11-24 02:02:59,297 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-24 02:02:59,297 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [482925521] [2024-11-24 02:02:59,297 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:02:59,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 02:02:59,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 02:02:59,337 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 02:02:59,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 02:02:59,360 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-24 02:03:00,094 INFO L204 LassoAnalysis]: Preferences: [2024-11-24 02:03:00,095 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-24 02:03:00,096 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-24 02:03:00,096 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-24 02:03:00,096 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-24 02:03:00,096 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-24 02:03:00,096 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-24 02:03:00,096 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-24 02:03:00,097 INFO L132 ssoRankerPreferences]: Filename of dumped script: invert_string-3.c_Iteration1_Lasso [2024-11-24 02:03:00,097 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-24 02:03:00,097 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-24 02:03:00,114 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-24 02:03:00,123 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-24 02:03:00,127 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-24 02:03:00,130 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-24 02:03:00,164 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-24 02:03:00,167 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-24 02:03:00,595 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-24 02:03:00,598 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-24 02:03:00,603 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-24 02:03:00,606 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-24 02:03:00,610 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-24 02:03:00,613 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-24 02:03:00,616 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-24 02:03:00,620 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-24 02:03:01,081 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-24 02:03:01,086 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-24 02:03:01,088 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-24 02:03:01,088 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e5b993e-baf0-41fb-9ae7-1f426893f48c/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 02:03:01,092 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e5b993e-baf0-41fb-9ae7-1f426893f48c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-24 02:03:01,094 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e5b993e-baf0-41fb-9ae7-1f426893f48c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2024-11-24 02:03:01,095 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 [2024-11-24 02:03:01,111 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-24 02:03:01,112 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-24 02:03:01,112 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-24 02:03:01,113 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-24 02:03:01,114 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-24 02:03:01,121 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-24 02:03:01,122 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-24 02:03:01,125 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-24 02:03:01,137 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e5b993e-baf0-41fb-9ae7-1f426893f48c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2024-11-24 02:03:01,137 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-24 02:03:01,138 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e5b993e-baf0-41fb-9ae7-1f426893f48c/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 02:03:01,140 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e5b993e-baf0-41fb-9ae7-1f426893f48c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-24 02:03:01,144 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e5b993e-baf0-41fb-9ae7-1f426893f48c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2024-11-24 02:03:01,144 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 [2024-11-24 02:03:01,159 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-24 02:03:01,159 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-24 02:03:01,160 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-24 02:03:01,160 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-24 02:03:01,160 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-24 02:03:01,161 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-24 02:03:01,161 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-24 02:03:01,166 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-24 02:03:01,179 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e5b993e-baf0-41fb-9ae7-1f426893f48c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2024-11-24 02:03:01,183 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-24 02:03:01,183 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e5b993e-baf0-41fb-9ae7-1f426893f48c/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 02:03:01,185 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e5b993e-baf0-41fb-9ae7-1f426893f48c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-24 02:03:01,188 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e5b993e-baf0-41fb-9ae7-1f426893f48c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2024-11-24 02:03:01,189 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 [2024-11-24 02:03:01,204 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-24 02:03:01,204 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-24 02:03:01,205 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-24 02:03:01,205 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-24 02:03:01,205 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-24 02:03:01,209 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-24 02:03:01,210 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-24 02:03:01,212 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-24 02:03:01,223 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e5b993e-baf0-41fb-9ae7-1f426893f48c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2024-11-24 02:03:01,223 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-24 02:03:01,223 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e5b993e-baf0-41fb-9ae7-1f426893f48c/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 02:03:01,226 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e5b993e-baf0-41fb-9ae7-1f426893f48c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-24 02:03:01,229 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e5b993e-baf0-41fb-9ae7-1f426893f48c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2024-11-24 02:03:01,231 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-24 02:03:01,245 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-24 02:03:01,245 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-24 02:03:01,246 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-24 02:03:01,246 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-24 02:03:01,250 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-24 02:03:01,250 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-24 02:03:01,255 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-24 02:03:01,267 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e5b993e-baf0-41fb-9ae7-1f426893f48c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2024-11-24 02:03:01,267 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-24 02:03:01,267 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e5b993e-baf0-41fb-9ae7-1f426893f48c/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 02:03:01,269 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e5b993e-baf0-41fb-9ae7-1f426893f48c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-24 02:03:01,273 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 [2024-11-24 02:03:01,302 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e5b993e-baf0-41fb-9ae7-1f426893f48c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2024-11-24 02:03:01,303 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-24 02:03:01,303 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-24 02:03:01,303 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-24 02:03:01,303 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-24 02:03:01,306 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-24 02:03:01,306 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-24 02:03:01,311 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-24 02:03:01,322 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e5b993e-baf0-41fb-9ae7-1f426893f48c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2024-11-24 02:03:01,322 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-24 02:03:01,323 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e5b993e-baf0-41fb-9ae7-1f426893f48c/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 02:03:01,325 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e5b993e-baf0-41fb-9ae7-1f426893f48c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-24 02:03:01,329 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e5b993e-baf0-41fb-9ae7-1f426893f48c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2024-11-24 02:03:01,330 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-24 02:03:01,345 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-24 02:03:01,345 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-24 02:03:01,345 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-24 02:03:01,345 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-24 02:03:01,345 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-24 02:03:01,346 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-24 02:03:01,346 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-24 02:03:01,348 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-24 02:03:01,359 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e5b993e-baf0-41fb-9ae7-1f426893f48c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2024-11-24 02:03:01,359 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-24 02:03:01,359 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e5b993e-baf0-41fb-9ae7-1f426893f48c/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 02:03:01,363 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e5b993e-baf0-41fb-9ae7-1f426893f48c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-24 02:03:01,370 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e5b993e-baf0-41fb-9ae7-1f426893f48c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2024-11-24 02:03:01,370 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 [2024-11-24 02:03:01,395 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-24 02:03:01,395 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-24 02:03:01,395 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-24 02:03:01,395 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-24 02:03:01,427 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-24 02:03:01,427 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-24 02:03:01,457 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-24 02:03:01,502 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2024-11-24 02:03:01,506 INFO L444 ModelExtractionUtils]: 1 out of 16 variables were initially zero. Simplification set additionally 11 variables to zero. [2024-11-24 02:03:01,509 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-24 02:03:01,510 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e5b993e-baf0-41fb-9ae7-1f426893f48c/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 02:03:01,512 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e5b993e-baf0-41fb-9ae7-1f426893f48c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-24 02:03:01,515 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e5b993e-baf0-41fb-9ae7-1f426893f48c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2024-11-24 02:03:01,517 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-24 02:03:01,534 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-11-24 02:03:01,535 INFO L474 LassoAnalysis]: Proved termination. [2024-11-24 02:03:01,535 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_~#str1~0#1.base)_1, ULTIMATE.start_main_~i~0#1, ULTIMATE.start_main_~#str1~0#1.offset) = 1*v_rep(select #length ULTIMATE.start_main_~#str1~0#1.base)_1 - 1*ULTIMATE.start_main_~i~0#1 - 1*ULTIMATE.start_main_~#str1~0#1.offset Supporting invariants [] [2024-11-24 02:03:01,546 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e5b993e-baf0-41fb-9ae7-1f426893f48c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2024-11-24 02:03:01,650 INFO L156 tatePredicateManager]: 10 out of 10 supporting invariants were superfluous and have been removed [2024-11-24 02:03:01,663 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#str1~0!offset [2024-11-24 02:03:01,667 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-24 02:03:01,667 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-24 02:03:01,688 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:03:01,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:03:01,714 INFO L256 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-24 02:03:01,715 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 02:03:01,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:03:01,733 INFO L256 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-24 02:03:01,734 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 02:03:01,742 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 02:03:01,790 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2024-11-24 02:03:01,792 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 18 states, 17 states have (on average 1.411764705882353) internal successors, (24), 17 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 02:03:01,876 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 18 states, 17 states have (on average 1.411764705882353) internal successors, (24), 17 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 34 states and 47 transitions. Complement of second has 6 states. [2024-11-24 02:03:01,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2024-11-24 02:03:01,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 02:03:01,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 23 transitions. [2024-11-24 02:03:01,895 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 23 transitions. Stem has 2 letters. Loop has 2 letters. [2024-11-24 02:03:01,895 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-24 02:03:01,896 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 23 transitions. Stem has 4 letters. Loop has 2 letters. [2024-11-24 02:03:01,896 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-24 02:03:01,896 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 23 transitions. Stem has 2 letters. Loop has 4 letters. [2024-11-24 02:03:01,896 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-24 02:03:01,897 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 34 states and 47 transitions. [2024-11-24 02:03:01,899 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2024-11-24 02:03:01,902 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 34 states to 15 states and 20 transitions. [2024-11-24 02:03:01,903 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 [2024-11-24 02:03:01,904 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2024-11-24 02:03:01,905 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 20 transitions. [2024-11-24 02:03:01,905 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-24 02:03:01,905 INFO L218 hiAutomatonCegarLoop]: Abstraction has 15 states and 20 transitions. [2024-11-24 02:03:01,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states and 20 transitions. [2024-11-24 02:03:01,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2024-11-24 02:03:01,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 15 states have (on average 1.3333333333333333) internal successors, (20), 14 states have internal predecessors, (20), 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) [2024-11-24 02:03:01,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 20 transitions. [2024-11-24 02:03:01,931 INFO L240 hiAutomatonCegarLoop]: Abstraction has 15 states and 20 transitions. [2024-11-24 02:03:01,931 INFO L425 stractBuchiCegarLoop]: Abstraction has 15 states and 20 transitions. [2024-11-24 02:03:01,931 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-24 02:03:01,931 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states and 20 transitions. [2024-11-24 02:03:01,932 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2024-11-24 02:03:01,932 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-24 02:03:01,932 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-24 02:03:01,932 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2024-11-24 02:03:01,932 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-24 02:03:01,933 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(18, 2);call #Ultimate.allocInit(12, 3);" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~post5#1, main_#t~mem6#1, main_#t~post7#1, main_#t~post8#1, main_#t~mem9#1, main_#t~mem10#1, main_#t~post11#1, main_#t~post12#1, main_~max~0#1, main_~#str1~0#1.base, main_~#str1~0#1.offset, main_~#str2~0#1.base, main_~#str2~0#1.offset, main_~i~0#1, main_~j~0#1;main_~max~0#1 := 5;call main_~#str1~0#1.base, main_~#str1~0#1.offset := #Ultimate.allocOnStack(main_~max~0#1 % 4294967296);call main_~#str2~0#1.base, main_~#str2~0#1.offset := #Ultimate.allocOnStack(main_~max~0#1 % 4294967296);havoc main_~i~0#1;havoc main_~j~0#1;main_~i~0#1 := 0;" "assume !(main_~i~0#1 % 4294967296 < main_~max~0#1 % 4294967296);" "call write~int#2(0, main_~#str1~0#1.base, main_~#str1~0#1.offset + (if (main_~max~0#1 - 1) % 4294967296 % 4294967296 <= 2147483647 then (main_~max~0#1 - 1) % 4294967296 % 4294967296 else (main_~max~0#1 - 1) % 4294967296 % 4294967296 - 4294967296), 1);main_~j~0#1 := 0;main_~i~0#1 := (if (main_~max~0#1 - 1) % 4294967296 % 4294967296 <= 2147483647 then (main_~max~0#1 - 1) % 4294967296 % 4294967296 else (main_~max~0#1 - 1) % 4294967296 % 4294967296 - 4294967296);" [2024-11-24 02:03:01,933 INFO L749 eck$LassoCheckResult]: Loop: "assume main_~i~0#1 >= 0;" "call main_#t~mem6#1 := read~int#2(main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);call write~int#1(main_#t~mem6#1, main_~#str2~0#1.base, main_~#str2~0#1.offset + main_~j~0#1, 1);havoc main_#t~mem6#1;main_#t~post7#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post7#1;havoc main_#t~post7#1;main_#t~post8#1 := main_~i~0#1;main_~i~0#1 := main_#t~post8#1 - 1;havoc main_#t~post8#1;" [2024-11-24 02:03:01,933 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:03:01,933 INFO L85 PathProgramCache]: Analyzing trace with hash 925769, now seen corresponding path program 1 times [2024-11-24 02:03:01,933 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-24 02:03:01,933 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1388803627] [2024-11-24 02:03:01,934 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:03:01,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 02:03:01,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:03:02,475 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-11-24 02:03:02,476 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1388803627] [2024-11-24 02:03:02,476 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1388803627] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 02:03:02,476 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [635236459] [2024-11-24 02:03:02,477 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:03:02,477 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 02:03:02,477 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e5b993e-baf0-41fb-9ae7-1f426893f48c/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 02:03:02,479 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e5b993e-baf0-41fb-9ae7-1f426893f48c/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 02:03:02,483 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e5b993e-baf0-41fb-9ae7-1f426893f48c/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-24 02:03:02,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:03:02,548 INFO L256 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-24 02:03:02,550 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 02:03:02,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-24 02:03:02,596 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 7 [2024-11-24 02:03:02,607 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2024-11-24 02:03:02,653 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 02:03:02,832 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e5b993e-baf0-41fb-9ae7-1f426893f48c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2024-11-24 02:03:02,864 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [635236459] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-24 02:03:02,866 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-24 02:03:02,866 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 7 [2024-11-24 02:03:02,867 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1175057868] [2024-11-24 02:03:02,867 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-24 02:03:02,869 INFO L752 eck$LassoCheckResult]: stem already infeasible [2024-11-24 02:03:02,870 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:03:02,870 INFO L85 PathProgramCache]: Analyzing trace with hash 1669, now seen corresponding path program 1 times [2024-11-24 02:03:02,870 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-24 02:03:02,870 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [52870065] [2024-11-24 02:03:02,870 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:03:02,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 02:03:02,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 02:03:02,881 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 02:03:02,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 02:03:02,892 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-24 02:03:03,009 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-11-24 02:03:03,010 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-24 02:03:03,012 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2024-11-24 02:03:03,013 INFO L87 Difference]: Start difference. First operand 15 states and 20 transitions. cyclomatic complexity: 8 Second operand has 8 states, 7 states have (on average 1.4285714285714286) 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) [2024-11-24 02:03:03,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:03:03,149 INFO L93 Difference]: Finished difference Result 17 states and 19 transitions. [2024-11-24 02:03:03,149 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 17 states and 19 transitions. [2024-11-24 02:03:03,150 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2024-11-24 02:03:03,150 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 17 states to 15 states and 17 transitions. [2024-11-24 02:03:03,150 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2024-11-24 02:03:03,150 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2024-11-24 02:03:03,150 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 17 transitions. [2024-11-24 02:03:03,151 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-24 02:03:03,151 INFO L218 hiAutomatonCegarLoop]: Abstraction has 15 states and 17 transitions. [2024-11-24 02:03:03,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states and 17 transitions. [2024-11-24 02:03:03,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2024-11-24 02:03:03,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 15 states have (on average 1.1333333333333333) internal successors, (17), 14 states have internal predecessors, (17), 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) [2024-11-24 02:03:03,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 17 transitions. [2024-11-24 02:03:03,155 INFO L240 hiAutomatonCegarLoop]: Abstraction has 15 states and 17 transitions. [2024-11-24 02:03:03,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 02:03:03,158 INFO L425 stractBuchiCegarLoop]: Abstraction has 15 states and 17 transitions. [2024-11-24 02:03:03,158 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-11-24 02:03:03,159 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states and 17 transitions. [2024-11-24 02:03:03,159 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2024-11-24 02:03:03,159 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-24 02:03:03,159 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-24 02:03:03,160 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1] [2024-11-24 02:03:03,160 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-24 02:03:03,160 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(18, 2);call #Ultimate.allocInit(12, 3);" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~post5#1, main_#t~mem6#1, main_#t~post7#1, main_#t~post8#1, main_#t~mem9#1, main_#t~mem10#1, main_#t~post11#1, main_#t~post12#1, main_~max~0#1, main_~#str1~0#1.base, main_~#str1~0#1.offset, main_~#str2~0#1.base, main_~#str2~0#1.offset, main_~i~0#1, main_~j~0#1;main_~max~0#1 := 5;call main_~#str1~0#1.base, main_~#str1~0#1.offset := #Ultimate.allocOnStack(main_~max~0#1 % 4294967296);call main_~#str2~0#1.base, main_~#str2~0#1.offset := #Ultimate.allocOnStack(main_~max~0#1 % 4294967296);havoc main_~i~0#1;havoc main_~j~0#1;main_~i~0#1 := 0;" "assume main_~i~0#1 % 4294967296 < main_~max~0#1 % 4294967296;" "havoc main_#t~nondet4#1;call write~int#2(main_#t~nondet4#1, main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet4#1;main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 % 4294967296 < main_~max~0#1 % 4294967296;" "havoc main_#t~nondet4#1;call write~int#2(main_#t~nondet4#1, main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet4#1;main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume !(main_~i~0#1 % 4294967296 < main_~max~0#1 % 4294967296);" "call write~int#2(0, main_~#str1~0#1.base, main_~#str1~0#1.offset + (if (main_~max~0#1 - 1) % 4294967296 % 4294967296 <= 2147483647 then (main_~max~0#1 - 1) % 4294967296 % 4294967296 else (main_~max~0#1 - 1) % 4294967296 % 4294967296 - 4294967296), 1);main_~j~0#1 := 0;main_~i~0#1 := (if (main_~max~0#1 - 1) % 4294967296 % 4294967296 <= 2147483647 then (main_~max~0#1 - 1) % 4294967296 % 4294967296 else (main_~max~0#1 - 1) % 4294967296 % 4294967296 - 4294967296);" [2024-11-24 02:03:03,161 INFO L749 eck$LassoCheckResult]: Loop: "assume main_~i~0#1 >= 0;" "call main_#t~mem6#1 := read~int#2(main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);call write~int#1(main_#t~mem6#1, main_~#str2~0#1.base, main_~#str2~0#1.offset + main_~j~0#1, 1);havoc main_#t~mem6#1;main_#t~post7#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post7#1;havoc main_#t~post7#1;main_#t~post8#1 := main_~i~0#1;main_~i~0#1 := main_#t~post8#1 - 1;havoc main_#t~post8#1;" [2024-11-24 02:03:03,162 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:03:03,162 INFO L85 PathProgramCache]: Analyzing trace with hash 207918545, now seen corresponding path program 1 times [2024-11-24 02:03:03,162 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-24 02:03:03,162 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [486568808] [2024-11-24 02:03:03,162 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:03:03,163 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 02:03:03,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:03:03,544 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-11-24 02:03:03,545 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [486568808] [2024-11-24 02:03:03,545 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [486568808] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 02:03:03,545 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1980224594] [2024-11-24 02:03:03,545 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:03:03,545 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 02:03:03,545 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e5b993e-baf0-41fb-9ae7-1f426893f48c/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 02:03:03,548 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e5b993e-baf0-41fb-9ae7-1f426893f48c/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 02:03:03,551 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e5b993e-baf0-41fb-9ae7-1f426893f48c/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-24 02:03:03,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:03:03,637 INFO L256 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-24 02:03:03,640 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 02:03:03,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-24 02:03:03,671 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 5 [2024-11-24 02:03:03,679 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2024-11-24 02:03:03,827 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 02:03:04,530 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1980224594] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-24 02:03:04,530 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-24 02:03:04,531 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 12 [2024-11-24 02:03:04,531 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [291573387] [2024-11-24 02:03:04,531 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-24 02:03:04,531 INFO L752 eck$LassoCheckResult]: stem already infeasible [2024-11-24 02:03:04,532 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:03:04,532 INFO L85 PathProgramCache]: Analyzing trace with hash 1669, now seen corresponding path program 2 times [2024-11-24 02:03:04,532 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-24 02:03:04,532 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1502408113] [2024-11-24 02:03:04,532 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:03:04,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 02:03:04,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 02:03:04,539 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 02:03:04,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 02:03:04,543 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-24 02:03:04,663 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-11-24 02:03:04,663 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-24 02:03:04,664 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=83, Unknown=0, NotChecked=0, Total=132 [2024-11-24 02:03:04,664 INFO L87 Difference]: Start difference. First operand 15 states and 17 transitions. cyclomatic complexity: 5 Second operand has 12 states, 12 states have (on average 1.75) internal successors, (21), 12 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 02:03:04,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:03:04,941 INFO L93 Difference]: Finished difference Result 22 states and 25 transitions. [2024-11-24 02:03:04,941 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 22 states and 25 transitions. [2024-11-24 02:03:04,942 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2024-11-24 02:03:04,942 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 22 states to 21 states and 23 transitions. [2024-11-24 02:03:04,943 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2024-11-24 02:03:04,943 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2024-11-24 02:03:04,943 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 23 transitions. [2024-11-24 02:03:04,943 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-24 02:03:04,943 INFO L218 hiAutomatonCegarLoop]: Abstraction has 21 states and 23 transitions. [2024-11-24 02:03:04,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states and 23 transitions. [2024-11-24 02:03:04,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2024-11-24 02:03:04,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 21 states have (on average 1.0952380952380953) internal successors, (23), 20 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 02:03:04,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 23 transitions. [2024-11-24 02:03:04,947 INFO L240 hiAutomatonCegarLoop]: Abstraction has 21 states and 23 transitions. [2024-11-24 02:03:04,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-24 02:03:04,948 INFO L425 stractBuchiCegarLoop]: Abstraction has 21 states and 23 transitions. [2024-11-24 02:03:04,949 INFO L332 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2024-11-24 02:03:04,949 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 21 states and 23 transitions. [2024-11-24 02:03:04,950 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2024-11-24 02:03:04,950 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-24 02:03:04,950 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-24 02:03:04,951 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [5, 5, 1, 1, 1, 1] [2024-11-24 02:03:04,952 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-24 02:03:04,952 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(18, 2);call #Ultimate.allocInit(12, 3);" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~post5#1, main_#t~mem6#1, main_#t~post7#1, main_#t~post8#1, main_#t~mem9#1, main_#t~mem10#1, main_#t~post11#1, main_#t~post12#1, main_~max~0#1, main_~#str1~0#1.base, main_~#str1~0#1.offset, main_~#str2~0#1.base, main_~#str2~0#1.offset, main_~i~0#1, main_~j~0#1;main_~max~0#1 := 5;call main_~#str1~0#1.base, main_~#str1~0#1.offset := #Ultimate.allocOnStack(main_~max~0#1 % 4294967296);call main_~#str2~0#1.base, main_~#str2~0#1.offset := #Ultimate.allocOnStack(main_~max~0#1 % 4294967296);havoc main_~i~0#1;havoc main_~j~0#1;main_~i~0#1 := 0;" "assume main_~i~0#1 % 4294967296 < main_~max~0#1 % 4294967296;" "havoc main_#t~nondet4#1;call write~int#2(main_#t~nondet4#1, main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet4#1;main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 % 4294967296 < main_~max~0#1 % 4294967296;" "havoc main_#t~nondet4#1;call write~int#2(main_#t~nondet4#1, main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet4#1;main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 % 4294967296 < main_~max~0#1 % 4294967296;" "havoc main_#t~nondet4#1;call write~int#2(main_#t~nondet4#1, main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet4#1;main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 % 4294967296 < main_~max~0#1 % 4294967296;" "havoc main_#t~nondet4#1;call write~int#2(main_#t~nondet4#1, main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet4#1;main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 % 4294967296 < main_~max~0#1 % 4294967296;" "havoc main_#t~nondet4#1;call write~int#2(main_#t~nondet4#1, main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet4#1;main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume !(main_~i~0#1 % 4294967296 < main_~max~0#1 % 4294967296);" "call write~int#2(0, main_~#str1~0#1.base, main_~#str1~0#1.offset + (if (main_~max~0#1 - 1) % 4294967296 % 4294967296 <= 2147483647 then (main_~max~0#1 - 1) % 4294967296 % 4294967296 else (main_~max~0#1 - 1) % 4294967296 % 4294967296 - 4294967296), 1);main_~j~0#1 := 0;main_~i~0#1 := (if (main_~max~0#1 - 1) % 4294967296 % 4294967296 <= 2147483647 then (main_~max~0#1 - 1) % 4294967296 % 4294967296 else (main_~max~0#1 - 1) % 4294967296 % 4294967296 - 4294967296);" [2024-11-24 02:03:04,952 INFO L749 eck$LassoCheckResult]: Loop: "assume main_~i~0#1 >= 0;" "call main_#t~mem6#1 := read~int#2(main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);call write~int#1(main_#t~mem6#1, main_~#str2~0#1.base, main_~#str2~0#1.offset + main_~j~0#1, 1);havoc main_#t~mem6#1;main_#t~post7#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post7#1;havoc main_#t~post7#1;main_#t~post8#1 := main_~i~0#1;main_~i~0#1 := main_#t~post8#1 - 1;havoc main_#t~post8#1;" [2024-11-24 02:03:04,953 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:03:04,953 INFO L85 PathProgramCache]: Analyzing trace with hash -858808675, now seen corresponding path program 2 times [2024-11-24 02:03:04,953 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-24 02:03:04,953 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [28136066] [2024-11-24 02:03:04,953 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:03:04,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 02:03:04,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 02:03:04,998 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 02:03:05,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 02:03:05,032 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-24 02:03:05,035 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:03:05,035 INFO L85 PathProgramCache]: Analyzing trace with hash 1669, now seen corresponding path program 3 times [2024-11-24 02:03:05,035 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-24 02:03:05,035 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [645830314] [2024-11-24 02:03:05,035 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:03:05,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 02:03:05,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 02:03:05,042 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 02:03:05,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 02:03:05,049 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-24 02:03:05,049 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:03:05,050 INFO L85 PathProgramCache]: Analyzing trace with hash -681415135, now seen corresponding path program 1 times [2024-11-24 02:03:05,050 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-24 02:03:05,050 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [570221618] [2024-11-24 02:03:05,051 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:03:05,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 02:03:05,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 02:03:05,091 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 02:03:05,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 02:03:05,121 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-24 02:03:08,653 INFO L204 LassoAnalysis]: Preferences: [2024-11-24 02:03:08,654 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-24 02:03:08,654 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-24 02:03:08,654 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-24 02:03:08,654 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-24 02:03:08,654 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-24 02:03:08,654 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-24 02:03:08,654 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-24 02:03:08,654 INFO L132 ssoRankerPreferences]: Filename of dumped script: invert_string-3.c_Iteration4_Lasso [2024-11-24 02:03:08,654 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-24 02:03:08,654 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-24 02:03:08,659 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-24 02:03:08,662 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-24 02:03:08,665 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-24 02:03:08,681 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-24 02:03:08,685 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-24 02:03:08,687 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-24 02:03:08,690 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-24 02:03:08,693 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-24 02:03:08,695 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-24 02:03:08,698 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-24 02:03:08,701 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-24 02:03:08,704 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-24 02:03:08,706 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-24 02:03:09,481 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-24 02:03:09,484 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-24 02:03:09,484 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-24 02:03:09,485 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e5b993e-baf0-41fb-9ae7-1f426893f48c/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 02:03:09,488 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e5b993e-baf0-41fb-9ae7-1f426893f48c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-24 02:03:09,490 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e5b993e-baf0-41fb-9ae7-1f426893f48c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2024-11-24 02:03:09,490 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 [2024-11-24 02:03:09,501 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-24 02:03:09,501 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-24 02:03:09,502 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-24 02:03:09,502 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-24 02:03:09,502 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-24 02:03:09,502 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-24 02:03:09,502 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-24 02:03:09,504 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-24 02:03:09,513 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e5b993e-baf0-41fb-9ae7-1f426893f48c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2024-11-24 02:03:09,513 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-24 02:03:09,514 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e5b993e-baf0-41fb-9ae7-1f426893f48c/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 02:03:09,516 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e5b993e-baf0-41fb-9ae7-1f426893f48c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-24 02:03:09,519 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e5b993e-baf0-41fb-9ae7-1f426893f48c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2024-11-24 02:03:09,520 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 [2024-11-24 02:03:09,534 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-24 02:03:09,534 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-24 02:03:09,534 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-24 02:03:09,535 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-24 02:03:09,535 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-24 02:03:09,535 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-24 02:03:09,535 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-24 02:03:09,538 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-24 02:03:09,544 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e5b993e-baf0-41fb-9ae7-1f426893f48c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2024-11-24 02:03:09,544 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-24 02:03:09,545 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e5b993e-baf0-41fb-9ae7-1f426893f48c/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 02:03:09,546 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e5b993e-baf0-41fb-9ae7-1f426893f48c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-24 02:03:09,547 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e5b993e-baf0-41fb-9ae7-1f426893f48c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2024-11-24 02:03:09,549 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 [2024-11-24 02:03:09,560 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-24 02:03:09,560 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-24 02:03:09,560 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-24 02:03:09,560 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-24 02:03:09,562 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-24 02:03:09,562 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-24 02:03:09,566 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-24 02:03:09,575 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e5b993e-baf0-41fb-9ae7-1f426893f48c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2024-11-24 02:03:09,576 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-24 02:03:09,576 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e5b993e-baf0-41fb-9ae7-1f426893f48c/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 02:03:09,578 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e5b993e-baf0-41fb-9ae7-1f426893f48c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-24 02:03:09,579 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e5b993e-baf0-41fb-9ae7-1f426893f48c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2024-11-24 02:03:09,580 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 [2024-11-24 02:03:09,592 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-24 02:03:09,592 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-24 02:03:09,592 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-24 02:03:09,592 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-24 02:03:09,594 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-24 02:03:09,594 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-24 02:03:09,597 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-24 02:03:09,606 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e5b993e-baf0-41fb-9ae7-1f426893f48c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2024-11-24 02:03:09,607 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-24 02:03:09,607 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e5b993e-baf0-41fb-9ae7-1f426893f48c/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 02:03:09,609 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e5b993e-baf0-41fb-9ae7-1f426893f48c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-24 02:03:09,611 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e5b993e-baf0-41fb-9ae7-1f426893f48c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2024-11-24 02:03:09,613 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-24 02:03:09,625 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-24 02:03:09,625 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-24 02:03:09,626 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-24 02:03:09,626 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-24 02:03:09,628 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-24 02:03:09,628 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-24 02:03:09,631 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-24 02:03:09,637 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e5b993e-baf0-41fb-9ae7-1f426893f48c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2024-11-24 02:03:09,637 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-24 02:03:09,637 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e5b993e-baf0-41fb-9ae7-1f426893f48c/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 02:03:09,639 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e5b993e-baf0-41fb-9ae7-1f426893f48c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-24 02:03:09,640 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e5b993e-baf0-41fb-9ae7-1f426893f48c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2024-11-24 02:03:09,641 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 [2024-11-24 02:03:09,653 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-24 02:03:09,653 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-24 02:03:09,653 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-24 02:03:09,653 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-24 02:03:09,653 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-24 02:03:09,654 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-24 02:03:09,654 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-24 02:03:09,655 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-24 02:03:09,662 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e5b993e-baf0-41fb-9ae7-1f426893f48c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2024-11-24 02:03:09,662 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-24 02:03:09,663 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e5b993e-baf0-41fb-9ae7-1f426893f48c/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 02:03:09,664 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e5b993e-baf0-41fb-9ae7-1f426893f48c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-24 02:03:09,666 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e5b993e-baf0-41fb-9ae7-1f426893f48c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2024-11-24 02:03:09,667 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 [2024-11-24 02:03:09,679 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-24 02:03:09,679 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-24 02:03:09,679 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-24 02:03:09,679 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-24 02:03:09,679 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-24 02:03:09,679 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-24 02:03:09,679 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-24 02:03:09,681 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-24 02:03:09,687 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e5b993e-baf0-41fb-9ae7-1f426893f48c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2024-11-24 02:03:09,687 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-24 02:03:09,687 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e5b993e-baf0-41fb-9ae7-1f426893f48c/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 02:03:09,689 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e5b993e-baf0-41fb-9ae7-1f426893f48c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-24 02:03:09,690 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e5b993e-baf0-41fb-9ae7-1f426893f48c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2024-11-24 02:03:09,691 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 [2024-11-24 02:03:09,702 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-24 02:03:09,702 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-24 02:03:09,702 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-24 02:03:09,702 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-24 02:03:09,702 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-24 02:03:09,703 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-24 02:03:09,703 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-24 02:03:09,704 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-24 02:03:09,714 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e5b993e-baf0-41fb-9ae7-1f426893f48c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Ended with exit code 0 [2024-11-24 02:03:09,714 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-24 02:03:09,714 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e5b993e-baf0-41fb-9ae7-1f426893f48c/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 02:03:09,716 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e5b993e-baf0-41fb-9ae7-1f426893f48c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-24 02:03:09,717 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e5b993e-baf0-41fb-9ae7-1f426893f48c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2024-11-24 02:03:09,718 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 [2024-11-24 02:03:09,729 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-24 02:03:09,729 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-24 02:03:09,729 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-24 02:03:09,729 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-24 02:03:09,729 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-24 02:03:09,729 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-24 02:03:09,729 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-24 02:03:09,731 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-24 02:03:09,737 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e5b993e-baf0-41fb-9ae7-1f426893f48c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Ended with exit code 0 [2024-11-24 02:03:09,737 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-24 02:03:09,737 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e5b993e-baf0-41fb-9ae7-1f426893f48c/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 02:03:09,739 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e5b993e-baf0-41fb-9ae7-1f426893f48c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-24 02:03:09,740 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e5b993e-baf0-41fb-9ae7-1f426893f48c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2024-11-24 02:03:09,741 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 [2024-11-24 02:03:09,752 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-24 02:03:09,752 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-24 02:03:09,752 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-24 02:03:09,752 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-24 02:03:09,752 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-24 02:03:09,753 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-24 02:03:09,753 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-24 02:03:09,754 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-24 02:03:09,760 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e5b993e-baf0-41fb-9ae7-1f426893f48c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2024-11-24 02:03:09,760 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-24 02:03:09,760 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e5b993e-baf0-41fb-9ae7-1f426893f48c/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 02:03:09,762 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e5b993e-baf0-41fb-9ae7-1f426893f48c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-24 02:03:09,763 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e5b993e-baf0-41fb-9ae7-1f426893f48c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2024-11-24 02:03:09,764 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 [2024-11-24 02:03:09,775 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-24 02:03:09,775 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-24 02:03:09,775 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-24 02:03:09,775 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-24 02:03:09,775 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-24 02:03:09,776 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-24 02:03:09,776 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-24 02:03:09,777 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-24 02:03:09,787 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e5b993e-baf0-41fb-9ae7-1f426893f48c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2024-11-24 02:03:09,787 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-24 02:03:09,787 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e5b993e-baf0-41fb-9ae7-1f426893f48c/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 02:03:09,789 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e5b993e-baf0-41fb-9ae7-1f426893f48c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-24 02:03:09,790 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e5b993e-baf0-41fb-9ae7-1f426893f48c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2024-11-24 02:03:09,792 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 [2024-11-24 02:03:09,803 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-24 02:03:09,803 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-24 02:03:09,803 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-24 02:03:09,803 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-24 02:03:09,803 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-24 02:03:09,804 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-24 02:03:09,804 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-24 02:03:09,806 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-24 02:03:09,813 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e5b993e-baf0-41fb-9ae7-1f426893f48c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2024-11-24 02:03:09,813 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-24 02:03:09,813 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e5b993e-baf0-41fb-9ae7-1f426893f48c/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 02:03:09,814 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e5b993e-baf0-41fb-9ae7-1f426893f48c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-24 02:03:09,816 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e5b993e-baf0-41fb-9ae7-1f426893f48c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2024-11-24 02:03:09,817 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 [2024-11-24 02:03:09,828 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-24 02:03:09,828 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-24 02:03:09,828 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-24 02:03:09,828 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-24 02:03:09,829 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-24 02:03:09,829 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-24 02:03:09,829 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-24 02:03:09,830 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-24 02:03:09,837 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e5b993e-baf0-41fb-9ae7-1f426893f48c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2024-11-24 02:03:09,837 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-24 02:03:09,837 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e5b993e-baf0-41fb-9ae7-1f426893f48c/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 02:03:09,839 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e5b993e-baf0-41fb-9ae7-1f426893f48c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-24 02:03:09,840 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e5b993e-baf0-41fb-9ae7-1f426893f48c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2024-11-24 02:03:09,841 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-24 02:03:09,852 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-24 02:03:09,852 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-24 02:03:09,852 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-24 02:03:09,852 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-24 02:03:09,852 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-24 02:03:09,853 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-24 02:03:09,853 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-24 02:03:09,854 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-24 02:03:09,860 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e5b993e-baf0-41fb-9ae7-1f426893f48c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2024-11-24 02:03:09,860 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-24 02:03:09,860 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e5b993e-baf0-41fb-9ae7-1f426893f48c/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 02:03:09,862 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e5b993e-baf0-41fb-9ae7-1f426893f48c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-24 02:03:09,866 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e5b993e-baf0-41fb-9ae7-1f426893f48c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2024-11-24 02:03:09,867 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 [2024-11-24 02:03:09,881 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-24 02:03:09,881 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-24 02:03:09,881 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-24 02:03:09,881 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-24 02:03:09,884 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-24 02:03:09,884 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-24 02:03:09,890 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-24 02:03:09,899 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e5b993e-baf0-41fb-9ae7-1f426893f48c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Ended with exit code 0 [2024-11-24 02:03:09,899 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-24 02:03:09,899 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e5b993e-baf0-41fb-9ae7-1f426893f48c/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 02:03:09,902 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e5b993e-baf0-41fb-9ae7-1f426893f48c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-24 02:03:09,904 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e5b993e-baf0-41fb-9ae7-1f426893f48c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2024-11-24 02:03:09,906 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 [2024-11-24 02:03:09,920 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-24 02:03:09,920 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-24 02:03:09,920 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-24 02:03:09,920 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-24 02:03:09,922 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-24 02:03:09,926 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-24 02:03:09,932 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-24 02:03:09,939 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e5b993e-baf0-41fb-9ae7-1f426893f48c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2024-11-24 02:03:09,939 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-24 02:03:09,939 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e5b993e-baf0-41fb-9ae7-1f426893f48c/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 02:03:09,941 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e5b993e-baf0-41fb-9ae7-1f426893f48c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-24 02:03:09,942 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e5b993e-baf0-41fb-9ae7-1f426893f48c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2024-11-24 02:03:09,943 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 [2024-11-24 02:03:09,954 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-24 02:03:09,954 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-24 02:03:09,954 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-24 02:03:09,954 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-24 02:03:09,956 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-24 02:03:09,956 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-24 02:03:09,961 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-24 02:03:09,970 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e5b993e-baf0-41fb-9ae7-1f426893f48c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2024-11-24 02:03:09,970 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-24 02:03:09,970 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e5b993e-baf0-41fb-9ae7-1f426893f48c/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 02:03:09,972 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e5b993e-baf0-41fb-9ae7-1f426893f48c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-24 02:03:09,973 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e5b993e-baf0-41fb-9ae7-1f426893f48c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2024-11-24 02:03:09,974 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-24 02:03:09,985 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-24 02:03:09,985 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-24 02:03:09,985 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-24 02:03:09,985 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-24 02:03:09,989 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-24 02:03:09,989 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-24 02:03:09,999 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-24 02:03:10,020 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2024-11-24 02:03:10,021 INFO L444 ModelExtractionUtils]: 0 out of 13 variables were initially zero. Simplification set additionally 10 variables to zero. [2024-11-24 02:03:10,021 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-24 02:03:10,021 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e5b993e-baf0-41fb-9ae7-1f426893f48c/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 02:03:10,025 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e5b993e-baf0-41fb-9ae7-1f426893f48c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-24 02:03:10,027 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e5b993e-baf0-41fb-9ae7-1f426893f48c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2024-11-24 02:03:10,027 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-24 02:03:10,045 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-11-24 02:03:10,045 INFO L474 LassoAnalysis]: Proved termination. [2024-11-24 02:03:10,045 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1) = 2*ULTIMATE.start_main_~i~0#1 + 1 Supporting invariants [] [2024-11-24 02:03:10,054 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e5b993e-baf0-41fb-9ae7-1f426893f48c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2024-11-24 02:03:10,092 INFO L156 tatePredicateManager]: 10 out of 10 supporting invariants were superfluous and have been removed [2024-11-24 02:03:10,109 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:03:10,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:03:10,145 INFO L256 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-24 02:03:10,146 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 02:03:10,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:03:10,182 INFO L256 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-24 02:03:10,182 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 02:03:10,199 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 02:03:10,199 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2024-11-24 02:03:10,200 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 21 states and 23 transitions. cyclomatic complexity: 5 Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 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) [2024-11-24 02:03:10,223 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 21 states and 23 transitions. cyclomatic complexity: 5. Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 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 23 states and 27 transitions. Complement of second has 5 states. [2024-11-24 02:03:10,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2024-11-24 02:03:10,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 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) [2024-11-24 02:03:10,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 8 transitions. [2024-11-24 02:03:10,226 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 14 letters. Loop has 2 letters. [2024-11-24 02:03:10,227 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-24 02:03:10,228 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 16 letters. Loop has 2 letters. [2024-11-24 02:03:10,228 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-24 02:03:10,228 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 14 letters. Loop has 4 letters. [2024-11-24 02:03:10,228 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-24 02:03:10,228 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 23 states and 27 transitions. [2024-11-24 02:03:10,229 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2024-11-24 02:03:10,230 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 23 states to 22 states and 25 transitions. [2024-11-24 02:03:10,230 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2024-11-24 02:03:10,230 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2024-11-24 02:03:10,230 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 25 transitions. [2024-11-24 02:03:10,230 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-24 02:03:10,230 INFO L218 hiAutomatonCegarLoop]: Abstraction has 22 states and 25 transitions. [2024-11-24 02:03:10,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states and 25 transitions. [2024-11-24 02:03:10,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2024-11-24 02:03:10,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 22 states have (on average 1.1363636363636365) internal successors, (25), 21 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 02:03:10,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 25 transitions. [2024-11-24 02:03:10,232 INFO L240 hiAutomatonCegarLoop]: Abstraction has 22 states and 25 transitions. [2024-11-24 02:03:10,233 INFO L425 stractBuchiCegarLoop]: Abstraction has 22 states and 25 transitions. [2024-11-24 02:03:10,233 INFO L332 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2024-11-24 02:03:10,233 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 22 states and 25 transitions. [2024-11-24 02:03:10,233 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2024-11-24 02:03:10,233 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-24 02:03:10,233 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-24 02:03:10,234 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [5, 5, 1, 1, 1, 1, 1, 1] [2024-11-24 02:03:10,234 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-11-24 02:03:10,234 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(18, 2);call #Ultimate.allocInit(12, 3);" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~post5#1, main_#t~mem6#1, main_#t~post7#1, main_#t~post8#1, main_#t~mem9#1, main_#t~mem10#1, main_#t~post11#1, main_#t~post12#1, main_~max~0#1, main_~#str1~0#1.base, main_~#str1~0#1.offset, main_~#str2~0#1.base, main_~#str2~0#1.offset, main_~i~0#1, main_~j~0#1;main_~max~0#1 := 5;call main_~#str1~0#1.base, main_~#str1~0#1.offset := #Ultimate.allocOnStack(main_~max~0#1 % 4294967296);call main_~#str2~0#1.base, main_~#str2~0#1.offset := #Ultimate.allocOnStack(main_~max~0#1 % 4294967296);havoc main_~i~0#1;havoc main_~j~0#1;main_~i~0#1 := 0;" "assume main_~i~0#1 % 4294967296 < main_~max~0#1 % 4294967296;" "havoc main_#t~nondet4#1;call write~int#2(main_#t~nondet4#1, main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet4#1;main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 % 4294967296 < main_~max~0#1 % 4294967296;" "havoc main_#t~nondet4#1;call write~int#2(main_#t~nondet4#1, main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet4#1;main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 % 4294967296 < main_~max~0#1 % 4294967296;" "havoc main_#t~nondet4#1;call write~int#2(main_#t~nondet4#1, main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet4#1;main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 % 4294967296 < main_~max~0#1 % 4294967296;" "havoc main_#t~nondet4#1;call write~int#2(main_#t~nondet4#1, main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet4#1;main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 % 4294967296 < main_~max~0#1 % 4294967296;" "havoc main_#t~nondet4#1;call write~int#2(main_#t~nondet4#1, main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet4#1;main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume !(main_~i~0#1 % 4294967296 < main_~max~0#1 % 4294967296);" "call write~int#2(0, main_~#str1~0#1.base, main_~#str1~0#1.offset + (if (main_~max~0#1 - 1) % 4294967296 % 4294967296 <= 2147483647 then (main_~max~0#1 - 1) % 4294967296 % 4294967296 else (main_~max~0#1 - 1) % 4294967296 % 4294967296 - 4294967296), 1);main_~j~0#1 := 0;main_~i~0#1 := (if (main_~max~0#1 - 1) % 4294967296 % 4294967296 <= 2147483647 then (main_~max~0#1 - 1) % 4294967296 % 4294967296 else (main_~max~0#1 - 1) % 4294967296 % 4294967296 - 4294967296);" "assume !(main_~i~0#1 >= 0);" "main_~j~0#1 := (if (main_~max~0#1 - 1) % 4294967296 % 4294967296 <= 2147483647 then (main_~max~0#1 - 1) % 4294967296 % 4294967296 else (main_~max~0#1 - 1) % 4294967296 % 4294967296 - 4294967296);main_~i~0#1 := 0;" [2024-11-24 02:03:10,235 INFO L749 eck$LassoCheckResult]: Loop: "assume main_~i~0#1 % 4294967296 < main_~max~0#1 % 4294967296;" "call main_#t~mem9#1 := read~int#2(main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);call main_#t~mem10#1 := read~int#1(main_~#str2~0#1.base, main_~#str2~0#1.offset + main_~j~0#1, 1);assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if main_#t~mem9#1 == main_#t~mem10#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1;" "assume !(0 == __VERIFIER_assert_~cond#1);" "havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;havoc main_#t~mem9#1;havoc main_#t~mem10#1;main_#t~post11#1 := main_~j~0#1;main_~j~0#1 := main_#t~post11#1 - 1;havoc main_#t~post11#1;main_#t~post12#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post12#1;havoc main_#t~post12#1;" [2024-11-24 02:03:10,235 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:03:10,235 INFO L85 PathProgramCache]: Analyzing trace with hash -681415069, now seen corresponding path program 1 times [2024-11-24 02:03:10,235 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-24 02:03:10,235 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1365372225] [2024-11-24 02:03:10,235 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:03:10,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 02:03:10,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:03:10,332 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e5b993e-baf0-41fb-9ae7-1f426893f48c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Ended with exit code 0 [2024-11-24 02:03:10,368 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-11-24 02:03:10,368 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1365372225] [2024-11-24 02:03:10,368 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1365372225] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 02:03:10,368 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1170809673] [2024-11-24 02:03:10,368 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:03:10,369 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 02:03:10,369 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e5b993e-baf0-41fb-9ae7-1f426893f48c/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 02:03:10,371 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e5b993e-baf0-41fb-9ae7-1f426893f48c/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 02:03:10,375 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e5b993e-baf0-41fb-9ae7-1f426893f48c/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2024-11-24 02:03:10,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:03:10,445 INFO L256 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-24 02:03:10,446 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 02:03:10,508 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 02:03:10,596 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1170809673] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-24 02:03:10,596 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-24 02:03:10,596 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 5 [2024-11-24 02:03:10,597 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1813098199] [2024-11-24 02:03:10,597 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-24 02:03:10,597 INFO L752 eck$LassoCheckResult]: stem already infeasible [2024-11-24 02:03:10,597 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:03:10,597 INFO L85 PathProgramCache]: Analyzing trace with hash 2036008, now seen corresponding path program 1 times [2024-11-24 02:03:10,598 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-24 02:03:10,598 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2003682191] [2024-11-24 02:03:10,598 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:03:10,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 02:03:10,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 02:03:10,605 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 02:03:10,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 02:03:10,612 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-24 02:03:10,723 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-11-24 02:03:10,724 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 02:03:10,724 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-24 02:03:10,724 INFO L87 Difference]: Start difference. First operand 22 states and 25 transitions. cyclomatic complexity: 6 Second operand has 5 states, 5 states have (on average 2.6) internal successors, (13), 5 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 02:03:10,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:03:10,767 INFO L93 Difference]: Finished difference Result 22 states and 24 transitions. [2024-11-24 02:03:10,767 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 22 states and 24 transitions. [2024-11-24 02:03:10,768 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2024-11-24 02:03:10,768 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 22 states to 22 states and 24 transitions. [2024-11-24 02:03:10,768 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2024-11-24 02:03:10,769 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2024-11-24 02:03:10,769 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 24 transitions. [2024-11-24 02:03:10,769 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-24 02:03:10,769 INFO L218 hiAutomatonCegarLoop]: Abstraction has 22 states and 24 transitions. [2024-11-24 02:03:10,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states and 24 transitions. [2024-11-24 02:03:10,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2024-11-24 02:03:10,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 22 states have (on average 1.0909090909090908) internal successors, (24), 21 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 02:03:10,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 24 transitions. [2024-11-24 02:03:10,771 INFO L240 hiAutomatonCegarLoop]: Abstraction has 22 states and 24 transitions. [2024-11-24 02:03:10,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-24 02:03:10,772 INFO L425 stractBuchiCegarLoop]: Abstraction has 22 states and 24 transitions. [2024-11-24 02:03:10,772 INFO L332 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2024-11-24 02:03:10,772 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 22 states and 24 transitions. [2024-11-24 02:03:10,773 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2024-11-24 02:03:10,774 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-24 02:03:10,774 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-24 02:03:10,775 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [5, 5, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 02:03:10,775 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-11-24 02:03:10,775 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(18, 2);call #Ultimate.allocInit(12, 3);" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~post5#1, main_#t~mem6#1, main_#t~post7#1, main_#t~post8#1, main_#t~mem9#1, main_#t~mem10#1, main_#t~post11#1, main_#t~post12#1, main_~max~0#1, main_~#str1~0#1.base, main_~#str1~0#1.offset, main_~#str2~0#1.base, main_~#str2~0#1.offset, main_~i~0#1, main_~j~0#1;main_~max~0#1 := 5;call main_~#str1~0#1.base, main_~#str1~0#1.offset := #Ultimate.allocOnStack(main_~max~0#1 % 4294967296);call main_~#str2~0#1.base, main_~#str2~0#1.offset := #Ultimate.allocOnStack(main_~max~0#1 % 4294967296);havoc main_~i~0#1;havoc main_~j~0#1;main_~i~0#1 := 0;" "assume main_~i~0#1 % 4294967296 < main_~max~0#1 % 4294967296;" "havoc main_#t~nondet4#1;call write~int#2(main_#t~nondet4#1, main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet4#1;main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 % 4294967296 < main_~max~0#1 % 4294967296;" "havoc main_#t~nondet4#1;call write~int#2(main_#t~nondet4#1, main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet4#1;main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 % 4294967296 < main_~max~0#1 % 4294967296;" "havoc main_#t~nondet4#1;call write~int#2(main_#t~nondet4#1, main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet4#1;main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 % 4294967296 < main_~max~0#1 % 4294967296;" "havoc main_#t~nondet4#1;call write~int#2(main_#t~nondet4#1, main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet4#1;main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 % 4294967296 < main_~max~0#1 % 4294967296;" "havoc main_#t~nondet4#1;call write~int#2(main_#t~nondet4#1, main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet4#1;main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume !(main_~i~0#1 % 4294967296 < main_~max~0#1 % 4294967296);" "call write~int#2(0, main_~#str1~0#1.base, main_~#str1~0#1.offset + (if (main_~max~0#1 - 1) % 4294967296 % 4294967296 <= 2147483647 then (main_~max~0#1 - 1) % 4294967296 % 4294967296 else (main_~max~0#1 - 1) % 4294967296 % 4294967296 - 4294967296), 1);main_~j~0#1 := 0;main_~i~0#1 := (if (main_~max~0#1 - 1) % 4294967296 % 4294967296 <= 2147483647 then (main_~max~0#1 - 1) % 4294967296 % 4294967296 else (main_~max~0#1 - 1) % 4294967296 % 4294967296 - 4294967296);" "assume main_~i~0#1 >= 0;" "call main_#t~mem6#1 := read~int#2(main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);call write~int#1(main_#t~mem6#1, main_~#str2~0#1.base, main_~#str2~0#1.offset + main_~j~0#1, 1);havoc main_#t~mem6#1;main_#t~post7#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post7#1;havoc main_#t~post7#1;main_#t~post8#1 := main_~i~0#1;main_~i~0#1 := main_#t~post8#1 - 1;havoc main_#t~post8#1;" "assume !(main_~i~0#1 >= 0);" "main_~j~0#1 := (if (main_~max~0#1 - 1) % 4294967296 % 4294967296 <= 2147483647 then (main_~max~0#1 - 1) % 4294967296 % 4294967296 else (main_~max~0#1 - 1) % 4294967296 % 4294967296 - 4294967296);main_~i~0#1 := 0;" [2024-11-24 02:03:10,775 INFO L749 eck$LassoCheckResult]: Loop: "assume main_~i~0#1 % 4294967296 < main_~max~0#1 % 4294967296;" "call main_#t~mem9#1 := read~int#2(main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);call main_#t~mem10#1 := read~int#1(main_~#str2~0#1.base, main_~#str2~0#1.offset + main_~j~0#1, 1);assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if main_#t~mem9#1 == main_#t~mem10#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1;" "assume !(0 == __VERIFIER_assert_~cond#1);" "havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;havoc main_#t~mem9#1;havoc main_#t~mem10#1;main_#t~post11#1 := main_~j~0#1;main_~j~0#1 := main_#t~post11#1 - 1;havoc main_#t~post11#1;main_#t~post12#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post12#1;havoc main_#t~post12#1;" [2024-11-24 02:03:10,776 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:03:10,776 INFO L85 PathProgramCache]: Analyzing trace with hash -2004914969, now seen corresponding path program 1 times [2024-11-24 02:03:10,776 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-24 02:03:10,776 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2136366123] [2024-11-24 02:03:10,776 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:03:10,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 02:03:10,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:03:11,049 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-11-24 02:03:11,049 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2136366123] [2024-11-24 02:03:11,049 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2136366123] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 02:03:11,050 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [879954699] [2024-11-24 02:03:11,050 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:03:11,050 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 02:03:11,050 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e5b993e-baf0-41fb-9ae7-1f426893f48c/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 02:03:11,052 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e5b993e-baf0-41fb-9ae7-1f426893f48c/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 02:03:11,055 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e5b993e-baf0-41fb-9ae7-1f426893f48c/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2024-11-24 02:03:11,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:03:11,145 INFO L256 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-24 02:03:11,146 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 02:03:11,239 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 02:03:11,597 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [879954699] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-24 02:03:11,597 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-24 02:03:11,597 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2024-11-24 02:03:11,597 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [467728651] [2024-11-24 02:03:11,597 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-24 02:03:11,599 INFO L752 eck$LassoCheckResult]: stem already infeasible [2024-11-24 02:03:11,600 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:03:11,600 INFO L85 PathProgramCache]: Analyzing trace with hash 2036008, now seen corresponding path program 2 times [2024-11-24 02:03:11,600 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-24 02:03:11,600 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1892199140] [2024-11-24 02:03:11,600 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:03:11,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 02:03:11,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 02:03:11,607 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 02:03:11,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 02:03:11,617 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-24 02:03:11,753 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-11-24 02:03:11,754 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-24 02:03:11,754 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2024-11-24 02:03:11,754 INFO L87 Difference]: Start difference. First operand 22 states and 24 transitions. cyclomatic complexity: 5 Second operand has 11 states, 11 states have (on average 2.3636363636363638) internal successors, (26), 11 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) [2024-11-24 02:03:11,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:03:11,950 INFO L93 Difference]: Finished difference Result 32 states and 34 transitions. [2024-11-24 02:03:11,951 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 32 states and 34 transitions. [2024-11-24 02:03:11,951 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2024-11-24 02:03:11,952 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 32 states to 32 states and 34 transitions. [2024-11-24 02:03:11,952 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14 [2024-11-24 02:03:11,952 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14 [2024-11-24 02:03:11,952 INFO L73 IsDeterministic]: Start isDeterministic. Operand 32 states and 34 transitions. [2024-11-24 02:03:11,953 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-24 02:03:11,953 INFO L218 hiAutomatonCegarLoop]: Abstraction has 32 states and 34 transitions. [2024-11-24 02:03:11,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states and 34 transitions. [2024-11-24 02:03:11,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 28. [2024-11-24 02:03:11,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 28 states have (on average 1.0714285714285714) internal successors, (30), 27 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 02:03:11,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 30 transitions. [2024-11-24 02:03:11,955 INFO L240 hiAutomatonCegarLoop]: Abstraction has 28 states and 30 transitions. [2024-11-24 02:03:11,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-24 02:03:11,956 INFO L425 stractBuchiCegarLoop]: Abstraction has 28 states and 30 transitions. [2024-11-24 02:03:11,956 INFO L332 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2024-11-24 02:03:11,957 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 28 states and 30 transitions. [2024-11-24 02:03:11,957 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2024-11-24 02:03:11,957 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-24 02:03:11,958 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-24 02:03:11,958 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [5, 5, 4, 4, 1, 1, 1, 1, 1, 1] [2024-11-24 02:03:11,958 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-11-24 02:03:11,958 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(18, 2);call #Ultimate.allocInit(12, 3);" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~post5#1, main_#t~mem6#1, main_#t~post7#1, main_#t~post8#1, main_#t~mem9#1, main_#t~mem10#1, main_#t~post11#1, main_#t~post12#1, main_~max~0#1, main_~#str1~0#1.base, main_~#str1~0#1.offset, main_~#str2~0#1.base, main_~#str2~0#1.offset, main_~i~0#1, main_~j~0#1;main_~max~0#1 := 5;call main_~#str1~0#1.base, main_~#str1~0#1.offset := #Ultimate.allocOnStack(main_~max~0#1 % 4294967296);call main_~#str2~0#1.base, main_~#str2~0#1.offset := #Ultimate.allocOnStack(main_~max~0#1 % 4294967296);havoc main_~i~0#1;havoc main_~j~0#1;main_~i~0#1 := 0;" "assume main_~i~0#1 % 4294967296 < main_~max~0#1 % 4294967296;" "havoc main_#t~nondet4#1;call write~int#2(main_#t~nondet4#1, main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet4#1;main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 % 4294967296 < main_~max~0#1 % 4294967296;" "havoc main_#t~nondet4#1;call write~int#2(main_#t~nondet4#1, main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet4#1;main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 % 4294967296 < main_~max~0#1 % 4294967296;" "havoc main_#t~nondet4#1;call write~int#2(main_#t~nondet4#1, main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet4#1;main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 % 4294967296 < main_~max~0#1 % 4294967296;" "havoc main_#t~nondet4#1;call write~int#2(main_#t~nondet4#1, main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet4#1;main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 % 4294967296 < main_~max~0#1 % 4294967296;" "havoc main_#t~nondet4#1;call write~int#2(main_#t~nondet4#1, main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet4#1;main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume !(main_~i~0#1 % 4294967296 < main_~max~0#1 % 4294967296);" "call write~int#2(0, main_~#str1~0#1.base, main_~#str1~0#1.offset + (if (main_~max~0#1 - 1) % 4294967296 % 4294967296 <= 2147483647 then (main_~max~0#1 - 1) % 4294967296 % 4294967296 else (main_~max~0#1 - 1) % 4294967296 % 4294967296 - 4294967296), 1);main_~j~0#1 := 0;main_~i~0#1 := (if (main_~max~0#1 - 1) % 4294967296 % 4294967296 <= 2147483647 then (main_~max~0#1 - 1) % 4294967296 % 4294967296 else (main_~max~0#1 - 1) % 4294967296 % 4294967296 - 4294967296);" "assume main_~i~0#1 >= 0;" "call main_#t~mem6#1 := read~int#2(main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);call write~int#1(main_#t~mem6#1, main_~#str2~0#1.base, main_~#str2~0#1.offset + main_~j~0#1, 1);havoc main_#t~mem6#1;main_#t~post7#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post7#1;havoc main_#t~post7#1;main_#t~post8#1 := main_~i~0#1;main_~i~0#1 := main_#t~post8#1 - 1;havoc main_#t~post8#1;" "assume main_~i~0#1 >= 0;" "call main_#t~mem6#1 := read~int#2(main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);call write~int#1(main_#t~mem6#1, main_~#str2~0#1.base, main_~#str2~0#1.offset + main_~j~0#1, 1);havoc main_#t~mem6#1;main_#t~post7#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post7#1;havoc main_#t~post7#1;main_#t~post8#1 := main_~i~0#1;main_~i~0#1 := main_#t~post8#1 - 1;havoc main_#t~post8#1;" "assume main_~i~0#1 >= 0;" "call main_#t~mem6#1 := read~int#2(main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);call write~int#1(main_#t~mem6#1, main_~#str2~0#1.base, main_~#str2~0#1.offset + main_~j~0#1, 1);havoc main_#t~mem6#1;main_#t~post7#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post7#1;havoc main_#t~post7#1;main_#t~post8#1 := main_~i~0#1;main_~i~0#1 := main_#t~post8#1 - 1;havoc main_#t~post8#1;" "assume main_~i~0#1 >= 0;" "call main_#t~mem6#1 := read~int#2(main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);call write~int#1(main_#t~mem6#1, main_~#str2~0#1.base, main_~#str2~0#1.offset + main_~j~0#1, 1);havoc main_#t~mem6#1;main_#t~post7#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post7#1;havoc main_#t~post7#1;main_#t~post8#1 := main_~i~0#1;main_~i~0#1 := main_#t~post8#1 - 1;havoc main_#t~post8#1;" "assume !(main_~i~0#1 >= 0);" "main_~j~0#1 := (if (main_~max~0#1 - 1) % 4294967296 % 4294967296 <= 2147483647 then (main_~max~0#1 - 1) % 4294967296 % 4294967296 else (main_~max~0#1 - 1) % 4294967296 % 4294967296 - 4294967296);main_~i~0#1 := 0;" [2024-11-24 02:03:11,959 INFO L749 eck$LassoCheckResult]: Loop: "assume main_~i~0#1 % 4294967296 < main_~max~0#1 % 4294967296;" "call main_#t~mem9#1 := read~int#2(main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);call main_#t~mem10#1 := read~int#1(main_~#str2~0#1.base, main_~#str2~0#1.offset + main_~j~0#1, 1);assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if main_#t~mem9#1 == main_#t~mem10#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1;" "assume !(0 == __VERIFIER_assert_~cond#1);" "havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;havoc main_#t~mem9#1;havoc main_#t~mem10#1;main_#t~post11#1 := main_~j~0#1;main_~j~0#1 := main_#t~post11#1 - 1;havoc main_#t~post11#1;main_#t~post12#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post12#1;havoc main_#t~post12#1;" [2024-11-24 02:03:11,959 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:03:11,959 INFO L85 PathProgramCache]: Analyzing trace with hash 1302725235, now seen corresponding path program 2 times [2024-11-24 02:03:11,959 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-24 02:03:11,959 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2008153398] [2024-11-24 02:03:11,959 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:03:11,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 02:03:11,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:03:12,368 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-11-24 02:03:12,368 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2008153398] [2024-11-24 02:03:12,368 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2008153398] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 02:03:12,368 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1566891992] [2024-11-24 02:03:12,368 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:03:12,369 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 02:03:12,369 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e5b993e-baf0-41fb-9ae7-1f426893f48c/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 02:03:12,373 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e5b993e-baf0-41fb-9ae7-1f426893f48c/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 02:03:12,374 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e5b993e-baf0-41fb-9ae7-1f426893f48c/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Waiting until timeout for monitored process [2024-11-24 02:03:12,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:03:12,464 INFO L256 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-24 02:03:12,466 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 02:03:12,661 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 02:03:12,848 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1566891992] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-24 02:03:12,849 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-24 02:03:12,849 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 10, 9] total 23 [2024-11-24 02:03:12,849 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1561140936] [2024-11-24 02:03:12,849 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-24 02:03:12,849 INFO L752 eck$LassoCheckResult]: stem already infeasible [2024-11-24 02:03:12,850 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:03:12,850 INFO L85 PathProgramCache]: Analyzing trace with hash 2036008, now seen corresponding path program 3 times [2024-11-24 02:03:12,850 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-24 02:03:12,850 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [644645038] [2024-11-24 02:03:12,850 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:03:12,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 02:03:12,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 02:03:12,856 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 02:03:12,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 02:03:12,862 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-24 02:03:12,972 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-11-24 02:03:12,973 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-11-24 02:03:12,974 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=105, Invalid=401, Unknown=0, NotChecked=0, Total=506 [2024-11-24 02:03:12,974 INFO L87 Difference]: Start difference. First operand 28 states and 30 transitions. cyclomatic complexity: 5 Second operand has 23 states, 23 states have (on average 2.0434782608695654) internal successors, (47), 23 states have internal predecessors, (47), 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) [2024-11-24 02:03:13,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:03:13,502 INFO L93 Difference]: Finished difference Result 61 states and 64 transitions. [2024-11-24 02:03:13,502 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 61 states and 64 transitions. [2024-11-24 02:03:13,503 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2024-11-24 02:03:13,504 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 61 states to 61 states and 64 transitions. [2024-11-24 02:03:13,504 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 30 [2024-11-24 02:03:13,504 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 30 [2024-11-24 02:03:13,504 INFO L73 IsDeterministic]: Start isDeterministic. Operand 61 states and 64 transitions. [2024-11-24 02:03:13,504 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-24 02:03:13,504 INFO L218 hiAutomatonCegarLoop]: Abstraction has 61 states and 64 transitions. [2024-11-24 02:03:13,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states and 64 transitions. [2024-11-24 02:03:13,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 40. [2024-11-24 02:03:13,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 40 states have (on average 1.075) internal successors, (43), 39 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 02:03:13,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 43 transitions. [2024-11-24 02:03:13,508 INFO L240 hiAutomatonCegarLoop]: Abstraction has 40 states and 43 transitions. [2024-11-24 02:03:13,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-24 02:03:13,510 INFO L425 stractBuchiCegarLoop]: Abstraction has 40 states and 43 transitions. [2024-11-24 02:03:13,510 INFO L332 stractBuchiCegarLoop]: ======== Iteration 8 ============ [2024-11-24 02:03:13,510 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 40 states and 43 transitions. [2024-11-24 02:03:13,511 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2024-11-24 02:03:13,512 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-24 02:03:13,512 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-24 02:03:13,513 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [5, 5, 5, 5, 1, 1, 1, 1, 1, 1] [2024-11-24 02:03:13,513 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-11-24 02:03:13,513 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(18, 2);call #Ultimate.allocInit(12, 3);" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~post5#1, main_#t~mem6#1, main_#t~post7#1, main_#t~post8#1, main_#t~mem9#1, main_#t~mem10#1, main_#t~post11#1, main_#t~post12#1, main_~max~0#1, main_~#str1~0#1.base, main_~#str1~0#1.offset, main_~#str2~0#1.base, main_~#str2~0#1.offset, main_~i~0#1, main_~j~0#1;main_~max~0#1 := 5;call main_~#str1~0#1.base, main_~#str1~0#1.offset := #Ultimate.allocOnStack(main_~max~0#1 % 4294967296);call main_~#str2~0#1.base, main_~#str2~0#1.offset := #Ultimate.allocOnStack(main_~max~0#1 % 4294967296);havoc main_~i~0#1;havoc main_~j~0#1;main_~i~0#1 := 0;" "assume main_~i~0#1 % 4294967296 < main_~max~0#1 % 4294967296;" "havoc main_#t~nondet4#1;call write~int#2(main_#t~nondet4#1, main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet4#1;main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 % 4294967296 < main_~max~0#1 % 4294967296;" "havoc main_#t~nondet4#1;call write~int#2(main_#t~nondet4#1, main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet4#1;main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 % 4294967296 < main_~max~0#1 % 4294967296;" "havoc main_#t~nondet4#1;call write~int#2(main_#t~nondet4#1, main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet4#1;main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 % 4294967296 < main_~max~0#1 % 4294967296;" "havoc main_#t~nondet4#1;call write~int#2(main_#t~nondet4#1, main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet4#1;main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~i~0#1 % 4294967296 < main_~max~0#1 % 4294967296;" "havoc main_#t~nondet4#1;call write~int#2(main_#t~nondet4#1, main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet4#1;main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume !(main_~i~0#1 % 4294967296 < main_~max~0#1 % 4294967296);" "call write~int#2(0, main_~#str1~0#1.base, main_~#str1~0#1.offset + (if (main_~max~0#1 - 1) % 4294967296 % 4294967296 <= 2147483647 then (main_~max~0#1 - 1) % 4294967296 % 4294967296 else (main_~max~0#1 - 1) % 4294967296 % 4294967296 - 4294967296), 1);main_~j~0#1 := 0;main_~i~0#1 := (if (main_~max~0#1 - 1) % 4294967296 % 4294967296 <= 2147483647 then (main_~max~0#1 - 1) % 4294967296 % 4294967296 else (main_~max~0#1 - 1) % 4294967296 % 4294967296 - 4294967296);" "assume main_~i~0#1 >= 0;" "call main_#t~mem6#1 := read~int#2(main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);call write~int#1(main_#t~mem6#1, main_~#str2~0#1.base, main_~#str2~0#1.offset + main_~j~0#1, 1);havoc main_#t~mem6#1;main_#t~post7#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post7#1;havoc main_#t~post7#1;main_#t~post8#1 := main_~i~0#1;main_~i~0#1 := main_#t~post8#1 - 1;havoc main_#t~post8#1;" "assume main_~i~0#1 >= 0;" "call main_#t~mem6#1 := read~int#2(main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);call write~int#1(main_#t~mem6#1, main_~#str2~0#1.base, main_~#str2~0#1.offset + main_~j~0#1, 1);havoc main_#t~mem6#1;main_#t~post7#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post7#1;havoc main_#t~post7#1;main_#t~post8#1 := main_~i~0#1;main_~i~0#1 := main_#t~post8#1 - 1;havoc main_#t~post8#1;" "assume main_~i~0#1 >= 0;" "call main_#t~mem6#1 := read~int#2(main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);call write~int#1(main_#t~mem6#1, main_~#str2~0#1.base, main_~#str2~0#1.offset + main_~j~0#1, 1);havoc main_#t~mem6#1;main_#t~post7#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post7#1;havoc main_#t~post7#1;main_#t~post8#1 := main_~i~0#1;main_~i~0#1 := main_#t~post8#1 - 1;havoc main_#t~post8#1;" "assume main_~i~0#1 >= 0;" "call main_#t~mem6#1 := read~int#2(main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);call write~int#1(main_#t~mem6#1, main_~#str2~0#1.base, main_~#str2~0#1.offset + main_~j~0#1, 1);havoc main_#t~mem6#1;main_#t~post7#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post7#1;havoc main_#t~post7#1;main_#t~post8#1 := main_~i~0#1;main_~i~0#1 := main_#t~post8#1 - 1;havoc main_#t~post8#1;" "assume main_~i~0#1 >= 0;" "call main_#t~mem6#1 := read~int#2(main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);call write~int#1(main_#t~mem6#1, main_~#str2~0#1.base, main_~#str2~0#1.offset + main_~j~0#1, 1);havoc main_#t~mem6#1;main_#t~post7#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post7#1;havoc main_#t~post7#1;main_#t~post8#1 := main_~i~0#1;main_~i~0#1 := main_#t~post8#1 - 1;havoc main_#t~post8#1;" "assume !(main_~i~0#1 >= 0);" "main_~j~0#1 := (if (main_~max~0#1 - 1) % 4294967296 % 4294967296 <= 2147483647 then (main_~max~0#1 - 1) % 4294967296 % 4294967296 else (main_~max~0#1 - 1) % 4294967296 % 4294967296 - 4294967296);main_~i~0#1 := 0;" [2024-11-24 02:03:13,513 INFO L749 eck$LassoCheckResult]: Loop: "assume main_~i~0#1 % 4294967296 < main_~max~0#1 % 4294967296;" "call main_#t~mem9#1 := read~int#2(main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);call main_#t~mem10#1 := read~int#1(main_~#str2~0#1.base, main_~#str2~0#1.offset + main_~j~0#1, 1);assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if main_#t~mem9#1 == main_#t~mem10#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1;" "assume !(0 == __VERIFIER_assert_~cond#1);" "havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;havoc main_#t~mem9#1;havoc main_#t~mem10#1;main_#t~post11#1 := main_~j~0#1;main_~j~0#1 := main_#t~post11#1 - 1;havoc main_#t~post11#1;main_#t~post12#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post12#1;havoc main_#t~post12#1;" [2024-11-24 02:03:13,513 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:03:13,514 INFO L85 PathProgramCache]: Analyzing trace with hash 2083405047, now seen corresponding path program 3 times [2024-11-24 02:03:13,514 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-24 02:03:13,514 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [22139733] [2024-11-24 02:03:13,514 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:03:13,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 02:03:13,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 02:03:13,549 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 02:03:13,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 02:03:13,576 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-24 02:03:13,576 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:03:13,576 INFO L85 PathProgramCache]: Analyzing trace with hash 2036008, now seen corresponding path program 4 times [2024-11-24 02:03:13,576 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-24 02:03:13,577 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1983183156] [2024-11-24 02:03:13,577 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:03:13,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 02:03:13,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 02:03:13,582 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 02:03:13,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 02:03:13,587 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-24 02:03:13,587 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:03:13,588 INFO L85 PathProgramCache]: Analyzing trace with hash 274326302, now seen corresponding path program 1 times [2024-11-24 02:03:13,588 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-24 02:03:13,588 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [314405243] [2024-11-24 02:03:13,588 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:03:13,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 02:03:13,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 02:03:13,648 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 02:03:13,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 02:03:13,691 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-24 02:03:26,348 WARN L286 SmtUtils]: Spent 12.53s on a formula simplification. DAG size of input: 280 DAG size of output: 213 (called from [L 276] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2024-11-24 02:03:27,085 INFO L204 LassoAnalysis]: Preferences: [2024-11-24 02:03:27,085 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-24 02:03:27,085 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-24 02:03:27,085 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-24 02:03:27,086 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-24 02:03:27,086 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-24 02:03:27,086 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-24 02:03:27,086 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-24 02:03:27,086 INFO L132 ssoRankerPreferences]: Filename of dumped script: invert_string-3.c_Iteration8_Lasso [2024-11-24 02:03:27,086 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-24 02:03:27,086 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-24 02:03:27,089 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-24 02:03:27,094 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-24 02:03:27,096 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-24 02:03:27,099 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-24 02:03:27,124 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-24 02:03:27,126 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-24 02:03:27,129 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-24 02:03:27,131 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-24 02:03:27,795 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-24 02:03:27,798 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-24 02:03:27,801 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-24 02:03:27,803 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-24 02:03:27,806 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-24 02:03:27,809 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-24 02:03:28,300 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-24 02:03:28,301 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-24 02:03:28,301 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-24 02:03:28,301 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e5b993e-baf0-41fb-9ae7-1f426893f48c/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 02:03:28,306 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e5b993e-baf0-41fb-9ae7-1f426893f48c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-24 02:03:28,308 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e5b993e-baf0-41fb-9ae7-1f426893f48c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2024-11-24 02:03:28,311 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 [2024-11-24 02:03:28,326 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-24 02:03:28,326 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-24 02:03:28,326 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-24 02:03:28,326 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-24 02:03:28,326 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-24 02:03:28,327 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-24 02:03:28,327 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-24 02:03:28,328 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-24 02:03:28,336 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e5b993e-baf0-41fb-9ae7-1f426893f48c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Ended with exit code 0 [2024-11-24 02:03:28,336 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-24 02:03:28,336 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e5b993e-baf0-41fb-9ae7-1f426893f48c/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 02:03:28,338 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e5b993e-baf0-41fb-9ae7-1f426893f48c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-24 02:03:28,339 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e5b993e-baf0-41fb-9ae7-1f426893f48c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2024-11-24 02:03:28,341 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 [2024-11-24 02:03:28,353 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-24 02:03:28,354 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-24 02:03:28,354 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-24 02:03:28,354 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-24 02:03:28,354 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-24 02:03:28,354 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-24 02:03:28,354 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-24 02:03:28,355 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-24 02:03:28,365 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e5b993e-baf0-41fb-9ae7-1f426893f48c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Ended with exit code 0 [2024-11-24 02:03:28,365 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-24 02:03:28,366 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e5b993e-baf0-41fb-9ae7-1f426893f48c/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 02:03:28,368 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e5b993e-baf0-41fb-9ae7-1f426893f48c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-24 02:03:28,369 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e5b993e-baf0-41fb-9ae7-1f426893f48c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2024-11-24 02:03:28,371 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 [2024-11-24 02:03:28,383 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-24 02:03:28,383 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-24 02:03:28,383 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-24 02:03:28,383 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-24 02:03:28,383 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-24 02:03:28,383 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-24 02:03:28,384 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-24 02:03:28,385 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-24 02:03:28,393 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e5b993e-baf0-41fb-9ae7-1f426893f48c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Ended with exit code 0 [2024-11-24 02:03:28,393 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-24 02:03:28,393 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e5b993e-baf0-41fb-9ae7-1f426893f48c/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 02:03:28,395 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e5b993e-baf0-41fb-9ae7-1f426893f48c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-24 02:03:28,397 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e5b993e-baf0-41fb-9ae7-1f426893f48c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2024-11-24 02:03:28,398 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 [2024-11-24 02:03:28,410 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-24 02:03:28,410 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-24 02:03:28,411 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-24 02:03:28,411 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-24 02:03:28,412 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-24 02:03:28,412 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-24 02:03:28,415 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-24 02:03:28,422 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e5b993e-baf0-41fb-9ae7-1f426893f48c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Ended with exit code 0 [2024-11-24 02:03:28,423 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-24 02:03:28,423 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e5b993e-baf0-41fb-9ae7-1f426893f48c/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 02:03:28,425 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e5b993e-baf0-41fb-9ae7-1f426893f48c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-24 02:03:28,427 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e5b993e-baf0-41fb-9ae7-1f426893f48c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2024-11-24 02:03:28,428 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 [2024-11-24 02:03:28,440 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-24 02:03:28,440 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-24 02:03:28,440 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-24 02:03:28,440 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-24 02:03:28,442 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-24 02:03:28,442 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-24 02:03:28,446 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-24 02:03:28,453 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e5b993e-baf0-41fb-9ae7-1f426893f48c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Ended with exit code 0 [2024-11-24 02:03:28,453 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-24 02:03:28,454 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e5b993e-baf0-41fb-9ae7-1f426893f48c/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 02:03:28,455 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e5b993e-baf0-41fb-9ae7-1f426893f48c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-24 02:03:28,456 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e5b993e-baf0-41fb-9ae7-1f426893f48c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2024-11-24 02:03:28,459 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 [2024-11-24 02:03:28,471 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-24 02:03:28,471 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-24 02:03:28,471 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-24 02:03:28,471 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-24 02:03:28,471 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-24 02:03:28,471 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-24 02:03:28,471 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-24 02:03:28,475 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-24 02:03:28,485 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e5b993e-baf0-41fb-9ae7-1f426893f48c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Ended with exit code 0 [2024-11-24 02:03:28,486 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-24 02:03:28,486 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e5b993e-baf0-41fb-9ae7-1f426893f48c/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 02:03:28,488 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e5b993e-baf0-41fb-9ae7-1f426893f48c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-24 02:03:28,492 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e5b993e-baf0-41fb-9ae7-1f426893f48c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2024-11-24 02:03:28,495 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 [2024-11-24 02:03:28,509 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-24 02:03:28,509 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-24 02:03:28,510 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-24 02:03:28,510 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-24 02:03:28,510 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-24 02:03:28,510 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-24 02:03:28,510 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-24 02:03:28,513 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-24 02:03:28,522 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e5b993e-baf0-41fb-9ae7-1f426893f48c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Ended with exit code 0 [2024-11-24 02:03:28,523 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-24 02:03:28,523 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e5b993e-baf0-41fb-9ae7-1f426893f48c/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 02:03:28,525 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e5b993e-baf0-41fb-9ae7-1f426893f48c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-24 02:03:28,529 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-24 02:03:28,529 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e5b993e-baf0-41fb-9ae7-1f426893f48c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2024-11-24 02:03:28,542 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-24 02:03:28,542 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-24 02:03:28,542 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-24 02:03:28,542 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-24 02:03:28,542 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-24 02:03:28,543 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-24 02:03:28,543 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-24 02:03:28,546 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-24 02:03:28,556 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e5b993e-baf0-41fb-9ae7-1f426893f48c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2024-11-24 02:03:28,556 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-24 02:03:28,557 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e5b993e-baf0-41fb-9ae7-1f426893f48c/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 02:03:28,560 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e5b993e-baf0-41fb-9ae7-1f426893f48c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-24 02:03:28,563 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e5b993e-baf0-41fb-9ae7-1f426893f48c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2024-11-24 02:03:28,565 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 [2024-11-24 02:03:28,580 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-24 02:03:28,581 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-24 02:03:28,581 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-24 02:03:28,581 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-24 02:03:28,584 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-24 02:03:28,584 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-24 02:03:28,589 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-24 02:03:28,600 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e5b993e-baf0-41fb-9ae7-1f426893f48c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2024-11-24 02:03:28,600 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-24 02:03:28,600 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e5b993e-baf0-41fb-9ae7-1f426893f48c/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 02:03:28,603 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e5b993e-baf0-41fb-9ae7-1f426893f48c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-24 02:03:28,606 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e5b993e-baf0-41fb-9ae7-1f426893f48c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2024-11-24 02:03:28,607 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 [2024-11-24 02:03:28,622 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-24 02:03:28,622 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-24 02:03:28,622 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-24 02:03:28,622 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-24 02:03:28,624 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-24 02:03:28,624 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-24 02:03:28,630 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-24 02:03:28,640 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e5b993e-baf0-41fb-9ae7-1f426893f48c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Forceful destruction successful, exit code 0 [2024-11-24 02:03:28,640 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-24 02:03:28,640 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e5b993e-baf0-41fb-9ae7-1f426893f48c/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 02:03:28,644 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e5b993e-baf0-41fb-9ae7-1f426893f48c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-24 02:03:28,647 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e5b993e-baf0-41fb-9ae7-1f426893f48c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2024-11-24 02:03:28,647 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 [2024-11-24 02:03:28,665 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-24 02:03:28,665 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-24 02:03:28,665 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-24 02:03:28,665 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-24 02:03:28,668 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-24 02:03:28,668 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-24 02:03:28,675 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-24 02:03:28,685 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e5b993e-baf0-41fb-9ae7-1f426893f48c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Forceful destruction successful, exit code 0 [2024-11-24 02:03:28,686 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-24 02:03:28,686 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e5b993e-baf0-41fb-9ae7-1f426893f48c/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 02:03:28,690 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e5b993e-baf0-41fb-9ae7-1f426893f48c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-24 02:03:28,692 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 [2024-11-24 02:03:28,696 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e5b993e-baf0-41fb-9ae7-1f426893f48c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2024-11-24 02:03:28,708 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-24 02:03:28,708 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-24 02:03:28,708 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-24 02:03:28,708 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-24 02:03:28,710 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-24 02:03:28,710 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-24 02:03:28,716 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-24 02:03:28,726 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e5b993e-baf0-41fb-9ae7-1f426893f48c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Forceful destruction successful, exit code 0 [2024-11-24 02:03:28,726 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-24 02:03:28,726 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e5b993e-baf0-41fb-9ae7-1f426893f48c/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 02:03:28,729 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e5b993e-baf0-41fb-9ae7-1f426893f48c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-24 02:03:28,732 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e5b993e-baf0-41fb-9ae7-1f426893f48c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2024-11-24 02:03:28,733 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 [2024-11-24 02:03:28,748 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-24 02:03:28,748 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-24 02:03:28,748 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-24 02:03:28,748 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-24 02:03:28,750 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-24 02:03:28,750 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-24 02:03:28,756 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-24 02:03:28,765 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e5b993e-baf0-41fb-9ae7-1f426893f48c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Forceful destruction successful, exit code 0 [2024-11-24 02:03:28,766 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-24 02:03:28,766 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e5b993e-baf0-41fb-9ae7-1f426893f48c/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 02:03:28,768 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e5b993e-baf0-41fb-9ae7-1f426893f48c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-24 02:03:28,771 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e5b993e-baf0-41fb-9ae7-1f426893f48c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2024-11-24 02:03:28,772 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 [2024-11-24 02:03:28,787 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-24 02:03:28,787 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-24 02:03:28,787 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-24 02:03:28,787 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-24 02:03:28,790 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-24 02:03:28,790 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-24 02:03:28,794 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-24 02:03:28,804 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e5b993e-baf0-41fb-9ae7-1f426893f48c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Forceful destruction successful, exit code 0 [2024-11-24 02:03:28,804 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-24 02:03:28,805 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e5b993e-baf0-41fb-9ae7-1f426893f48c/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 02:03:28,807 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e5b993e-baf0-41fb-9ae7-1f426893f48c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-24 02:03:28,810 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e5b993e-baf0-41fb-9ae7-1f426893f48c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2024-11-24 02:03:28,811 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 [2024-11-24 02:03:28,826 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-24 02:03:28,826 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-24 02:03:28,826 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-24 02:03:28,826 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-24 02:03:28,829 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-24 02:03:28,829 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-24 02:03:28,833 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-24 02:03:28,843 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e5b993e-baf0-41fb-9ae7-1f426893f48c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Ended with exit code 0 [2024-11-24 02:03:28,843 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-24 02:03:28,843 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e5b993e-baf0-41fb-9ae7-1f426893f48c/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 02:03:28,846 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e5b993e-baf0-41fb-9ae7-1f426893f48c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-24 02:03:28,849 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e5b993e-baf0-41fb-9ae7-1f426893f48c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2024-11-24 02:03:28,850 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 [2024-11-24 02:03:28,865 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-24 02:03:28,865 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-24 02:03:28,865 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-24 02:03:28,865 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-24 02:03:28,871 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-24 02:03:28,871 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-24 02:03:28,884 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-24 02:03:28,902 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2024-11-24 02:03:28,902 INFO L444 ModelExtractionUtils]: 6 out of 16 variables were initially zero. Simplification set additionally 6 variables to zero. [2024-11-24 02:03:28,902 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-24 02:03:28,902 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e5b993e-baf0-41fb-9ae7-1f426893f48c/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 02:03:28,904 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e5b993e-baf0-41fb-9ae7-1f426893f48c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-24 02:03:28,906 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e5b993e-baf0-41fb-9ae7-1f426893f48c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2024-11-24 02:03:28,906 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-24 02:03:28,918 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-11-24 02:03:28,919 INFO L474 LassoAnalysis]: Proved termination. [2024-11-24 02:03:28,919 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~#str1~0#1.offset, v_rep(select #length ULTIMATE.start_main_~#str1~0#1.base)_3, ULTIMATE.start_main_~i~0#1) = -1*ULTIMATE.start_main_~#str1~0#1.offset + 1*v_rep(select #length ULTIMATE.start_main_~#str1~0#1.base)_3 - 1*ULTIMATE.start_main_~i~0#1 Supporting invariants [] [2024-11-24 02:03:28,926 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e5b993e-baf0-41fb-9ae7-1f426893f48c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Forceful destruction successful, exit code 0 [2024-11-24 02:03:28,962 INFO L156 tatePredicateManager]: 10 out of 10 supporting invariants were superfluous and have been removed [2024-11-24 02:03:28,963 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#str1~0!offset [2024-11-24 02:03:28,964 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-24 02:03:28,964 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-24 02:03:28,976 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:03:29,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:03:29,031 INFO L256 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-24 02:03:29,032 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 02:03:29,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:03:29,087 INFO L256 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-24 02:03:29,088 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 02:03:29,115 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 02:03:29,115 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2024-11-24 02:03:29,115 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 40 states and 43 transitions. cyclomatic complexity: 6 Second operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 02:03:29,145 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 40 states and 43 transitions. cyclomatic complexity: 6. Second operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 44 states and 48 transitions. Complement of second has 6 states. [2024-11-24 02:03:29,145 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 [2024-11-24 02:03:29,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 02:03:29,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 14 transitions. [2024-11-24 02:03:29,146 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 26 letters. Loop has 4 letters. [2024-11-24 02:03:29,150 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-24 02:03:29,150 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 30 letters. Loop has 4 letters. [2024-11-24 02:03:29,150 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-24 02:03:29,150 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 26 letters. Loop has 8 letters. [2024-11-24 02:03:29,151 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-24 02:03:29,151 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 44 states and 48 transitions. [2024-11-24 02:03:29,151 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-24 02:03:29,151 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 44 states to 0 states and 0 transitions. [2024-11-24 02:03:29,151 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-11-24 02:03:29,152 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-11-24 02:03:29,152 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-11-24 02:03:29,152 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-24 02:03:29,152 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-24 02:03:29,152 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-24 02:03:29,152 INFO L425 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-24 02:03:29,152 INFO L332 stractBuchiCegarLoop]: ======== Iteration 9 ============ [2024-11-24 02:03:29,152 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2024-11-24 02:03:29,152 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-24 02:03:29,152 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2024-11-24 02:03:29,163 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 24.11 02:03:29 BoogieIcfgContainer [2024-11-24 02:03:29,163 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-24 02:03:29,164 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-24 02:03:29,164 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-24 02:03:29,164 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-24 02:03:29,165 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 02:02:58" (3/4) ... [2024-11-24 02:03:29,166 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-24 02:03:29,167 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-24 02:03:29,168 INFO L158 Benchmark]: Toolchain (without parser) took 31116.81ms. Allocated memory was 142.6MB in the beginning and 343.9MB in the end (delta: 201.3MB). Free memory was 107.2MB in the beginning and 197.7MB in the end (delta: -90.5MB). Peak memory consumption was 109.8MB. Max. memory is 16.1GB. [2024-11-24 02:03:29,168 INFO L158 Benchmark]: CDTParser took 0.71ms. Allocated memory is still 167.8MB. Free memory is still 106.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 02:03:29,168 INFO L158 Benchmark]: CACSL2BoogieTranslator took 311.96ms. Allocated memory is still 142.6MB. Free memory was 106.9MB in the beginning and 96.2MB in the end (delta: 10.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 02:03:29,169 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.09ms. Allocated memory is still 142.6MB. Free memory was 96.2MB in the beginning and 94.8MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 02:03:29,169 INFO L158 Benchmark]: Boogie Preprocessor took 71.94ms. Allocated memory is still 142.6MB. Free memory was 94.8MB in the beginning and 93.1MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 02:03:29,169 INFO L158 Benchmark]: RCFGBuilder took 370.31ms. Allocated memory is still 142.6MB. Free memory was 93.1MB in the beginning and 81.3MB in the end (delta: 11.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 02:03:29,169 INFO L158 Benchmark]: BuchiAutomizer took 30306.70ms. Allocated memory was 142.6MB in the beginning and 343.9MB in the end (delta: 201.3MB). Free memory was 81.0MB in the beginning and 197.8MB in the end (delta: -116.8MB). Peak memory consumption was 93.1MB. Max. memory is 16.1GB. [2024-11-24 02:03:29,170 INFO L158 Benchmark]: Witness Printer took 3.16ms. Allocated memory is still 343.9MB. Free memory was 197.8MB in the beginning and 197.7MB in the end (delta: 101.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 02:03:29,172 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.71ms. Allocated memory is still 167.8MB. Free memory is still 106.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 311.96ms. Allocated memory is still 142.6MB. Free memory was 106.9MB in the beginning and 96.2MB in the end (delta: 10.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.09ms. Allocated memory is still 142.6MB. Free memory was 96.2MB in the beginning and 94.8MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 71.94ms. Allocated memory is still 142.6MB. Free memory was 94.8MB in the beginning and 93.1MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 370.31ms. Allocated memory is still 142.6MB. Free memory was 93.1MB in the beginning and 81.3MB in the end (delta: 11.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 30306.70ms. Allocated memory was 142.6MB in the beginning and 343.9MB in the end (delta: 201.3MB). Free memory was 81.0MB in the beginning and 197.8MB in the end (delta: -116.8MB). Peak memory consumption was 93.1MB. Max. memory is 16.1GB. * Witness Printer took 3.16ms. Allocated memory is still 343.9MB. Free memory was 197.8MB in the beginning and 197.7MB in the end (delta: 101.4kB). 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: ~#str1~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #length - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#str1~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #length - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 8 terminating modules (5 trivial, 3 deterministic, 0 nondeterministic). One deterministic module has affine ranking function null and consists of 4 locations. One deterministic module has affine ranking function (((long long) 2 * i) + 1) and consists of 3 locations. One deterministic module has affine ranking function null and consists of 4 locations. 5 modules have a trivial ranking function, the largest among these consists of 23 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 30.2s and 9 iterations. TraceHistogramMax:5. Analysis of lassos took 28.3s. Construction of modules took 0.7s. Büchi inclusion checks took 1.0s. Highest rank in rank-based complementation 3. Minimization of det autom 8. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 7 MinimizatonAttempts, 25 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [3, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 410 SdHoareTripleChecker+Valid, 0.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 407 mSDsluCounter, 118 SdHoareTripleChecker+Invalid, 0.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 63 mSDsCounter, 157 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 446 IncrementalHoareTripleChecker+Invalid, 603 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 157 mSolverCounterUnsat, 55 mSDtfsCounter, 446 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU5 SILI0 SILT0 lasso3 LassoPreprocessingBenchmarks: Lassos: inital235 mio100 ax100 hnf100 lsp92 ukn60 mio100 lsp28 div226 bol100 ite100 ukn100 eq151 hnf93 smp69 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 32ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2024-11-24 02:03:29,190 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e5b993e-baf0-41fb-9ae7-1f426893f48c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Ended with exit code 0 [2024-11-24 02:03:29,386 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e5b993e-baf0-41fb-9ae7-1f426893f48c/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Forceful destruction successful, exit code 0 [2024-11-24 02:03:29,587 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e5b993e-baf0-41fb-9ae7-1f426893f48c/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Forceful destruction successful, exit code 0 [2024-11-24 02:03:29,787 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e5b993e-baf0-41fb-9ae7-1f426893f48c/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Ended with exit code 0 [2024-11-24 02:03:29,988 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e5b993e-baf0-41fb-9ae7-1f426893f48c/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-11-24 02:03:30,187 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e5b993e-baf0-41fb-9ae7-1f426893f48c/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-11-24 02:03:30,388 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e5b993e-baf0-41fb-9ae7-1f426893f48c/bin/uautomizer-verify-LYvppIcaGC/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