./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/array-memsafety/bubblesort-alloca-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 527bcce2 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63332b08-dec1-4832-bf5f-6b7a65b4775f/bin/uautomizer-verify-bycVGegfSx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63332b08-dec1-4832-bf5f-6b7a65b4775f/bin/uautomizer-verify-bycVGegfSx/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63332b08-dec1-4832-bf5f-6b7a65b4775f/bin/uautomizer-verify-bycVGegfSx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63332b08-dec1-4832-bf5f-6b7a65b4775f/bin/uautomizer-verify-bycVGegfSx/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/array-memsafety/bubblesort-alloca-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63332b08-dec1-4832-bf5f-6b7a65b4775f/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63332b08-dec1-4832-bf5f-6b7a65b4775f/bin/uautomizer-verify-bycVGegfSx --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 71daa4447a811360729951159d42c752715aafb50c3ad4dcb2ed5d242a4f4a78 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 20:59:48,435 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 20:59:48,552 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63332b08-dec1-4832-bf5f-6b7a65b4775f/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Termination-32bit-Automizer_Default.epf [2023-11-21 20:59:48,559 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 20:59:48,560 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 20:59:48,611 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 20:59:48,612 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 20:59:48,612 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 20:59:48,613 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-21 20:59:48,618 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-21 20:59:48,620 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 20:59:48,620 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 20:59:48,621 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 20:59:48,623 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-21 20:59:48,624 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-21 20:59:48,624 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-21 20:59:48,624 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-21 20:59:48,625 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-21 20:59:48,625 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-21 20:59:48,627 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 20:59:48,628 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-21 20:59:48,628 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 20:59:48,629 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 20:59:48,629 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 20:59:48,630 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 20:59:48,630 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-21 20:59:48,630 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-21 20:59:48,631 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-21 20:59:48,631 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 20:59:48,632 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 20:59:48,633 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 20:59:48,634 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-21 20:59:48,634 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 20:59:48,634 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 20:59:48,634 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 20:59:48,635 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 20:59:48,635 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-21 20:59:48,636 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-21 20:59:48,636 INFO L153 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63332b08-dec1-4832-bf5f-6b7a65b4775f/bin/uautomizer-verify-bycVGegfSx/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63332b08-dec1-4832-bf5f-6b7a65b4775f/bin/uautomizer-verify-bycVGegfSx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 71daa4447a811360729951159d42c752715aafb50c3ad4dcb2ed5d242a4f4a78 [2023-11-21 20:59:48,914 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 20:59:48,968 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 20:59:48,971 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 20:59:48,972 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 20:59:48,973 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 20:59:48,975 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63332b08-dec1-4832-bf5f-6b7a65b4775f/bin/uautomizer-verify-bycVGegfSx/../../sv-benchmarks/c/array-memsafety/bubblesort-alloca-2.i [2023-11-21 20:59:52,272 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 20:59:52,599 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 20:59:52,602 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63332b08-dec1-4832-bf5f-6b7a65b4775f/sv-benchmarks/c/array-memsafety/bubblesort-alloca-2.i [2023-11-21 20:59:52,626 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63332b08-dec1-4832-bf5f-6b7a65b4775f/bin/uautomizer-verify-bycVGegfSx/data/421f6b4c8/f1d338b59e304097af42f0d67aacaeea/FLAG4415a6b9c [2023-11-21 20:59:52,646 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63332b08-dec1-4832-bf5f-6b7a65b4775f/bin/uautomizer-verify-bycVGegfSx/data/421f6b4c8/f1d338b59e304097af42f0d67aacaeea [2023-11-21 20:59:52,651 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 20:59:52,653 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 20:59:52,655 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 20:59:52,655 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 20:59:52,662 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 20:59:52,664 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 08:59:52" (1/1) ... [2023-11-21 20:59:52,665 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71dc1df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:59:52, skipping insertion in model container [2023-11-21 20:59:52,665 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 08:59:52" (1/1) ... [2023-11-21 20:59:52,730 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 20:59:53,090 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 20:59:53,105 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 20:59:53,182 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 20:59:53,216 INFO L206 MainTranslator]: Completed translation [2023-11-21 20:59:53,217 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:59:53 WrapperNode [2023-11-21 20:59:53,217 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 20:59:53,219 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 20:59:53,219 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 20:59:53,219 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 20:59:53,227 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:59:53" (1/1) ... [2023-11-21 20:59:53,264 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:59:53" (1/1) ... [2023-11-21 20:59:53,296 INFO L138 Inliner]: procedures = 116, calls = 13, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 65 [2023-11-21 20:59:53,296 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 20:59:53,297 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 20:59:53,297 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 20:59:53,298 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 20:59:53,310 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:59:53" (1/1) ... [2023-11-21 20:59:53,311 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:59:53" (1/1) ... [2023-11-21 20:59:53,320 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:59:53" (1/1) ... [2023-11-21 20:59:53,337 INFO L187 HeapSplitter]: Split 7 memory accesses to 1 slices as follows [7] [2023-11-21 20:59:53,338 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:59:53" (1/1) ... [2023-11-21 20:59:53,338 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:59:53" (1/1) ... [2023-11-21 20:59:53,352 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:59:53" (1/1) ... [2023-11-21 20:59:53,360 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:59:53" (1/1) ... [2023-11-21 20:59:53,366 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:59:53" (1/1) ... [2023-11-21 20:59:53,368 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:59:53" (1/1) ... [2023-11-21 20:59:53,370 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 20:59:53,374 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 20:59:53,374 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 20:59:53,375 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 20:59:53,376 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:59:53" (1/1) ... [2023-11-21 20:59:53,382 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 20:59:53,395 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63332b08-dec1-4832-bf5f-6b7a65b4775f/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 20:59:53,415 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63332b08-dec1-4832-bf5f-6b7a65b4775f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 20:59:53,436 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63332b08-dec1-4832-bf5f-6b7a65b4775f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-21 20:59:53,465 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-11-21 20:59:53,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-21 20:59:53,465 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 20:59:53,466 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 20:59:53,466 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 20:59:53,466 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 20:59:53,608 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 20:59:53,611 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 20:59:53,766 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 20:59:53,775 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 20:59:53,775 INFO L308 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-21 20:59:53,777 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 08:59:53 BoogieIcfgContainer [2023-11-21 20:59:53,777 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 20:59:53,779 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-11-21 20:59:53,779 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-11-21 20:59:53,783 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-11-21 20:59:53,784 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-21 20:59:53,784 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 21.11 08:59:52" (1/3) ... [2023-11-21 20:59:53,786 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@34cecd36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.11 08:59:53, skipping insertion in model container [2023-11-21 20:59:53,786 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-21 20:59:53,786 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:59:53" (2/3) ... [2023-11-21 20:59:53,787 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@34cecd36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.11 08:59:53, skipping insertion in model container [2023-11-21 20:59:53,787 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-21 20:59:53,787 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 08:59:53" (3/3) ... [2023-11-21 20:59:53,789 INFO L332 chiAutomizerObserver]: Analyzing ICFG bubblesort-alloca-2.i [2023-11-21 20:59:53,846 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-11-21 20:59:53,847 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-11-21 20:59:53,847 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-11-21 20:59:53,847 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-11-21 20:59:53,847 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-11-21 20:59:53,848 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-11-21 20:59:53,848 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-11-21 20:59:53,848 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-11-21 20:59:53,853 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 16 states, 15 states have (on average 1.5333333333333334) internal successors, (23), 15 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) [2023-11-21 20:59:53,872 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2023-11-21 20:59:53,872 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-21 20:59:53,872 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-21 20:59:53,877 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2023-11-21 20:59:53,877 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-21 20:59:53,877 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-11-21 20:59:53,877 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 16 states, 15 states have (on average 1.5333333333333334) internal successors, (23), 15 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) [2023-11-21 20:59:53,879 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2023-11-21 20:59:53,879 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-21 20:59:53,879 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-21 20:59:53,880 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2023-11-21 20:59:53,880 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-21 20:59:53,888 INFO L748 eck$LassoCheckResult]: Stem: 12#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 8#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~malloc9#1.base, main_#t~malloc9#1.offset, main_#t~nondet11#1, main_#t~post10#1, main_~k~0#1, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;havoc main_#t~nondet8#1;main_~array_size~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1; 9#L527true assume !(main_~array_size~0#1 < 1 || main_~array_size~0#1 % 4294967296 >= 536870911); 11#L527-2true call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1 % 4294967296);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;main_~k~0#1 := 0; 15#L532-3true [2023-11-21 20:59:53,889 INFO L750 eck$LassoCheckResult]: Loop: 15#L532-3true assume !!(main_~k~0#1 < main_~array_size~0#1);havoc main_#t~nondet11#1;call write~int#0(main_#t~nondet11#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~k~0#1, 4);havoc main_#t~nondet11#1; 3#L532-2true main_#t~post10#1 := main_~k~0#1;main_~k~0#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 15#L532-3true [2023-11-21 20:59:53,895 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 20:59:53,895 INFO L85 PathProgramCache]: Analyzing trace with hash 925669, now seen corresponding path program 1 times [2023-11-21 20:59:53,905 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 20:59:53,906 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [184478153] [2023-11-21 20:59:53,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 20:59:53,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 20:59:54,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 20:59:54,003 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 20:59:54,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 20:59:54,035 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 20:59:54,038 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 20:59:54,039 INFO L85 PathProgramCache]: Analyzing trace with hash 1507, now seen corresponding path program 1 times [2023-11-21 20:59:54,039 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 20:59:54,040 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [647723404] [2023-11-21 20:59:54,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 20:59:54,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 20:59:54,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 20:59:54,054 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 20:59:54,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 20:59:54,064 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 20:59:54,066 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 20:59:54,066 INFO L85 PathProgramCache]: Analyzing trace with hash 889568455, now seen corresponding path program 1 times [2023-11-21 20:59:54,067 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 20:59:54,067 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1537059097] [2023-11-21 20:59:54,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 20:59:54,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 20:59:54,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 20:59:54,122 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 20:59:54,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 20:59:54,162 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 20:59:54,630 INFO L210 LassoAnalysis]: Preferences: [2023-11-21 20:59:54,631 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-21 20:59:54,631 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-21 20:59:54,631 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-21 20:59:54,631 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-21 20:59:54,631 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 20:59:54,631 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-21 20:59:54,632 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-21 20:59:54,632 INFO L133 ssoRankerPreferences]: Filename of dumped script: bubblesort-alloca-2.i_Iteration1_Lasso [2023-11-21 20:59:54,632 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-21 20:59:54,632 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-21 20:59:54,650 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 20:59:54,662 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 20:59:54,665 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 20:59:54,669 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 20:59:54,673 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 20:59:54,676 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 20:59:54,679 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 20:59:54,682 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 20:59:54,686 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 20:59:55,225 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-21 20:59:55,230 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-21 20:59:55,232 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 20:59:55,232 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63332b08-dec1-4832-bf5f-6b7a65b4775f/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 20:59:55,234 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63332b08-dec1-4832-bf5f-6b7a65b4775f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 20:59:55,244 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63332b08-dec1-4832-bf5f-6b7a65b4775f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2023-11-21 20:59:55,244 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-21 20:59:55,261 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 20:59:55,261 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 20:59:55,262 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 20:59:55,262 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 20:59:55,267 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 20:59:55,268 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 20:59:55,279 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 20:59:55,304 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63332b08-dec1-4832-bf5f-6b7a65b4775f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2023-11-21 20:59:55,305 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 20:59:55,305 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63332b08-dec1-4832-bf5f-6b7a65b4775f/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 20:59:55,306 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63332b08-dec1-4832-bf5f-6b7a65b4775f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 20:59:55,318 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 [2023-11-21 20:59:55,330 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 20:59:55,331 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 20:59:55,331 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 20:59:55,331 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 20:59:55,331 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 20:59:55,332 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63332b08-dec1-4832-bf5f-6b7a65b4775f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2023-11-21 20:59:55,332 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 20:59:55,332 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 20:59:55,347 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 20:59:55,370 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63332b08-dec1-4832-bf5f-6b7a65b4775f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2023-11-21 20:59:55,370 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 20:59:55,371 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63332b08-dec1-4832-bf5f-6b7a65b4775f/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 20:59:55,372 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63332b08-dec1-4832-bf5f-6b7a65b4775f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 20:59:55,404 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63332b08-dec1-4832-bf5f-6b7a65b4775f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2023-11-21 20:59:55,405 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 [2023-11-21 20:59:55,418 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 20:59:55,418 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 20:59:55,418 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 20:59:55,418 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 20:59:55,423 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 20:59:55,423 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 20:59:55,443 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 20:59:55,491 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63332b08-dec1-4832-bf5f-6b7a65b4775f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2023-11-21 20:59:55,492 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 20:59:55,492 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63332b08-dec1-4832-bf5f-6b7a65b4775f/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 20:59:55,505 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63332b08-dec1-4832-bf5f-6b7a65b4775f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 20:59:55,526 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63332b08-dec1-4832-bf5f-6b7a65b4775f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2023-11-21 20:59:55,526 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-21 20:59:55,539 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 20:59:55,539 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 20:59:55,539 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 20:59:55,539 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 20:59:55,542 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 20:59:55,543 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 20:59:55,554 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 20:59:55,578 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63332b08-dec1-4832-bf5f-6b7a65b4775f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2023-11-21 20:59:55,578 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 20:59:55,578 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63332b08-dec1-4832-bf5f-6b7a65b4775f/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 20:59:55,580 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63332b08-dec1-4832-bf5f-6b7a65b4775f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 20:59:55,589 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 [2023-11-21 20:59:55,601 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 20:59:55,601 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 20:59:55,602 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 20:59:55,602 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 20:59:55,602 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 20:59:55,603 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 20:59:55,603 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 20:59:55,604 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63332b08-dec1-4832-bf5f-6b7a65b4775f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2023-11-21 20:59:55,619 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 20:59:55,643 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63332b08-dec1-4832-bf5f-6b7a65b4775f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2023-11-21 20:59:55,643 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 20:59:55,643 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63332b08-dec1-4832-bf5f-6b7a65b4775f/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 20:59:55,645 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63332b08-dec1-4832-bf5f-6b7a65b4775f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 20:59:55,652 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 [2023-11-21 20:59:55,666 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 20:59:55,666 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 20:59:55,667 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 20:59:55,667 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 20:59:55,667 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 20:59:55,667 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 20:59:55,668 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 20:59:55,668 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63332b08-dec1-4832-bf5f-6b7a65b4775f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2023-11-21 20:59:55,687 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 20:59:55,710 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63332b08-dec1-4832-bf5f-6b7a65b4775f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2023-11-21 20:59:55,710 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 20:59:55,711 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63332b08-dec1-4832-bf5f-6b7a65b4775f/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 20:59:55,712 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63332b08-dec1-4832-bf5f-6b7a65b4775f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 20:59:55,720 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 [2023-11-21 20:59:55,732 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 20:59:55,732 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 20:59:55,733 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 20:59:55,733 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 20:59:55,733 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63332b08-dec1-4832-bf5f-6b7a65b4775f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2023-11-21 20:59:55,736 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 20:59:55,736 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 20:59:55,747 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 20:59:55,771 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63332b08-dec1-4832-bf5f-6b7a65b4775f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2023-11-21 20:59:55,771 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 20:59:55,771 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63332b08-dec1-4832-bf5f-6b7a65b4775f/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 20:59:55,773 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63332b08-dec1-4832-bf5f-6b7a65b4775f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 20:59:55,780 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 [2023-11-21 20:59:55,788 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63332b08-dec1-4832-bf5f-6b7a65b4775f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2023-11-21 20:59:55,794 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 20:59:55,794 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 20:59:55,794 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 20:59:55,794 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 20:59:55,795 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 20:59:55,797 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 20:59:55,797 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 20:59:55,807 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 20:59:55,830 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63332b08-dec1-4832-bf5f-6b7a65b4775f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2023-11-21 20:59:55,830 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 20:59:55,830 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63332b08-dec1-4832-bf5f-6b7a65b4775f/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 20:59:55,832 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63332b08-dec1-4832-bf5f-6b7a65b4775f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 20:59:55,840 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 [2023-11-21 20:59:55,851 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63332b08-dec1-4832-bf5f-6b7a65b4775f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2023-11-21 20:59:55,853 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 20:59:55,853 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 20:59:55,853 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 20:59:55,853 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 20:59:55,864 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 20:59:55,864 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 20:59:55,881 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-21 20:59:55,909 INFO L443 ModelExtractionUtils]: Simplification made 9 calls to the SMT solver. [2023-11-21 20:59:55,909 INFO L444 ModelExtractionUtils]: 10 out of 19 variables were initially zero. Simplification set additionally 5 variables to zero. [2023-11-21 20:59:55,911 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 20:59:55,911 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63332b08-dec1-4832-bf5f-6b7a65b4775f/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 20:59:55,953 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63332b08-dec1-4832-bf5f-6b7a65b4775f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 20:59:55,965 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-21 20:59:55,977 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63332b08-dec1-4832-bf5f-6b7a65b4775f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2023-11-21 20:59:55,993 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-11-21 20:59:55,994 INFO L513 LassoAnalysis]: Proved termination. [2023-11-21 20:59:55,994 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~numbers~0#1.offset, v_rep(select #length ULTIMATE.start_main_~numbers~0#1.base)_1, ULTIMATE.start_main_~k~0#1) = -1*ULTIMATE.start_main_~numbers~0#1.offset + 1*v_rep(select #length ULTIMATE.start_main_~numbers~0#1.base)_1 - 4*ULTIMATE.start_main_~k~0#1 Supporting invariants [] [2023-11-21 20:59:56,018 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63332b08-dec1-4832-bf5f-6b7a65b4775f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2023-11-21 20:59:56,041 INFO L156 tatePredicateManager]: 3 out of 3 supporting invariants were superfluous and have been removed [2023-11-21 20:59:56,050 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[~numbers~0!base] could not be translated [2023-11-21 20:59:56,071 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 20:59:56,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 20:59:56,090 INFO L262 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 20:59:56,091 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 20:59:56,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 20:59:56,117 INFO L262 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 20:59:56,118 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 20:59:56,143 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 20:59:56,190 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 [2023-11-21 20:59:56,192 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 16 states, 15 states have (on average 1.5333333333333334) internal successors, (23), 15 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) Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 20:59:56,256 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 16 states, 15 states have (on average 1.5333333333333334) internal successors, (23), 15 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). Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 29 states and 44 transitions. Complement of second has 8 states. [2023-11-21 20:59:56,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2023-11-21 20:59:56,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 20:59:56,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 23 transitions. [2023-11-21 20:59:56,268 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 23 transitions. Stem has 4 letters. Loop has 2 letters. [2023-11-21 20:59:56,269 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-21 20:59:56,269 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 23 transitions. Stem has 6 letters. Loop has 2 letters. [2023-11-21 20:59:56,269 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-21 20:59:56,270 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 23 transitions. Stem has 4 letters. Loop has 4 letters. [2023-11-21 20:59:56,270 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-21 20:59:56,271 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 29 states and 44 transitions. [2023-11-21 20:59:56,277 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2023-11-21 20:59:56,280 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 29 states to 13 states and 19 transitions. [2023-11-21 20:59:56,282 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2023-11-21 20:59:56,282 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2023-11-21 20:59:56,283 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 19 transitions. [2023-11-21 20:59:56,283 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 20:59:56,283 INFO L218 hiAutomatonCegarLoop]: Abstraction has 13 states and 19 transitions. [2023-11-21 20:59:56,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states and 19 transitions. [2023-11-21 20:59:56,309 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2023-11-21 20:59:56,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 12 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 20:59:56,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 19 transitions. [2023-11-21 20:59:56,312 INFO L240 hiAutomatonCegarLoop]: Abstraction has 13 states and 19 transitions. [2023-11-21 20:59:56,312 INFO L428 stractBuchiCegarLoop]: Abstraction has 13 states and 19 transitions. [2023-11-21 20:59:56,313 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-11-21 20:59:56,313 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states and 19 transitions. [2023-11-21 20:59:56,316 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2023-11-21 20:59:56,316 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-21 20:59:56,316 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-21 20:59:56,317 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2023-11-21 20:59:56,317 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-21 20:59:56,318 INFO L748 eck$LassoCheckResult]: Stem: 112#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 113#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~malloc9#1.base, main_#t~malloc9#1.offset, main_#t~nondet11#1, main_#t~post10#1, main_~k~0#1, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;havoc main_#t~nondet8#1;main_~array_size~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1; 102#L527 assume !(main_~array_size~0#1 < 1 || main_~array_size~0#1 % 4294967296 >= 536870911); 103#L527-2 call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1 % 4294967296);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;main_~k~0#1 := 0; 104#L532-3 assume !(main_~k~0#1 < main_~array_size~0#1); 107#L532-4 havoc main_~k~0#1;assume { :begin_inline_bubbleSort } true;bubbleSort_#in~numbers#1.base, bubbleSort_#in~numbers#1.offset, bubbleSort_#in~array_size#1 := main_~numbers~0#1.base, main_~numbers~0#1.offset, main_~array_size~0#1;havoc bubbleSort_#t~mem4#1, bubbleSort_#t~mem5#1, bubbleSort_#t~mem6#1, bubbleSort_#t~mem7#1, bubbleSort_#t~post3#1, bubbleSort_#t~post2#1, bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset, bubbleSort_~array_size#1, bubbleSort_~i~0#1, bubbleSort_~j~0#1, bubbleSort_~temp~0#1;bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset := bubbleSort_#in~numbers#1.base, bubbleSort_#in~numbers#1.offset;bubbleSort_~array_size#1 := bubbleSort_#in~array_size#1;havoc bubbleSort_~i~0#1;havoc bubbleSort_~j~0#1;havoc bubbleSort_~temp~0#1;bubbleSort_~i~0#1 := bubbleSort_~array_size#1 - 1; 108#L515-3 [2023-11-21 20:59:56,318 INFO L750 eck$LassoCheckResult]: Loop: 108#L515-3 assume !!(bubbleSort_~i~0#1 >= 0);bubbleSort_~j~0#1 := 1; 109#L516-3 assume !true; 110#L515-2 bubbleSort_#t~post2#1 := bubbleSort_~i~0#1;bubbleSort_~i~0#1 := bubbleSort_#t~post2#1 - 1;havoc bubbleSort_#t~post2#1; 108#L515-3 [2023-11-21 20:59:56,325 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 20:59:56,325 INFO L85 PathProgramCache]: Analyzing trace with hash 889568397, now seen corresponding path program 1 times [2023-11-21 20:59:56,325 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 20:59:56,325 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1968302762] [2023-11-21 20:59:56,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 20:59:56,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 20:59:56,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 20:59:56,450 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 20:59:56,450 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 20:59:56,450 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1968302762] [2023-11-21 20:59:56,451 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1968302762] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 20:59:56,451 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 20:59:56,451 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-21 20:59:56,452 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [588663059] [2023-11-21 20:59:56,453 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 20:59:56,459 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-21 20:59:56,459 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 20:59:56,460 INFO L85 PathProgramCache]: Analyzing trace with hash 61120, now seen corresponding path program 1 times [2023-11-21 20:59:56,460 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 20:59:56,460 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [636372562] [2023-11-21 20:59:56,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 20:59:56,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 20:59:56,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 20:59:56,475 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 20:59:56,475 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 20:59:56,476 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [636372562] [2023-11-21 20:59:56,476 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [636372562] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 20:59:56,476 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 20:59:56,476 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 20:59:56,477 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [203608049] [2023-11-21 20:59:56,477 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 20:59:56,477 INFO L765 eck$LassoCheckResult]: loop already infeasible [2023-11-21 20:59:56,478 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 20:59:56,479 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-21 20:59:56,480 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-21 20:59:56,482 INFO L87 Difference]: Start difference. First operand 13 states and 19 transitions. cyclomatic complexity: 8 Second operand has 2 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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) [2023-11-21 20:59:56,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 20:59:56,488 INFO L93 Difference]: Finished difference Result 13 states and 18 transitions. [2023-11-21 20:59:56,488 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 13 states and 18 transitions. [2023-11-21 20:59:56,489 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2023-11-21 20:59:56,490 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 13 states to 13 states and 18 transitions. [2023-11-21 20:59:56,490 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2023-11-21 20:59:56,490 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2023-11-21 20:59:56,491 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 18 transitions. [2023-11-21 20:59:56,491 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 20:59:56,491 INFO L218 hiAutomatonCegarLoop]: Abstraction has 13 states and 18 transitions. [2023-11-21 20:59:56,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states and 18 transitions. [2023-11-21 20:59:56,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2023-11-21 20:59:56,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 12 states have internal predecessors, (18), 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) [2023-11-21 20:59:56,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 18 transitions. [2023-11-21 20:59:56,495 INFO L240 hiAutomatonCegarLoop]: Abstraction has 13 states and 18 transitions. [2023-11-21 20:59:56,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-21 20:59:56,496 INFO L428 stractBuchiCegarLoop]: Abstraction has 13 states and 18 transitions. [2023-11-21 20:59:56,496 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2023-11-21 20:59:56,496 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states and 18 transitions. [2023-11-21 20:59:56,497 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2023-11-21 20:59:56,497 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-21 20:59:56,497 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-21 20:59:56,498 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2023-11-21 20:59:56,498 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-21 20:59:56,498 INFO L748 eck$LassoCheckResult]: Stem: 145#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 146#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~malloc9#1.base, main_#t~malloc9#1.offset, main_#t~nondet11#1, main_#t~post10#1, main_~k~0#1, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;havoc main_#t~nondet8#1;main_~array_size~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1; 135#L527 assume !(main_~array_size~0#1 < 1 || main_~array_size~0#1 % 4294967296 >= 536870911); 136#L527-2 call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1 % 4294967296);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;main_~k~0#1 := 0; 137#L532-3 assume !(main_~k~0#1 < main_~array_size~0#1); 140#L532-4 havoc main_~k~0#1;assume { :begin_inline_bubbleSort } true;bubbleSort_#in~numbers#1.base, bubbleSort_#in~numbers#1.offset, bubbleSort_#in~array_size#1 := main_~numbers~0#1.base, main_~numbers~0#1.offset, main_~array_size~0#1;havoc bubbleSort_#t~mem4#1, bubbleSort_#t~mem5#1, bubbleSort_#t~mem6#1, bubbleSort_#t~mem7#1, bubbleSort_#t~post3#1, bubbleSort_#t~post2#1, bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset, bubbleSort_~array_size#1, bubbleSort_~i~0#1, bubbleSort_~j~0#1, bubbleSort_~temp~0#1;bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset := bubbleSort_#in~numbers#1.base, bubbleSort_#in~numbers#1.offset;bubbleSort_~array_size#1 := bubbleSort_#in~array_size#1;havoc bubbleSort_~i~0#1;havoc bubbleSort_~j~0#1;havoc bubbleSort_~temp~0#1;bubbleSort_~i~0#1 := bubbleSort_~array_size#1 - 1; 141#L515-3 [2023-11-21 20:59:56,498 INFO L750 eck$LassoCheckResult]: Loop: 141#L515-3 assume !!(bubbleSort_~i~0#1 >= 0);bubbleSort_~j~0#1 := 1; 142#L516-3 assume !(bubbleSort_~j~0#1 <= bubbleSort_~i~0#1); 143#L515-2 bubbleSort_#t~post2#1 := bubbleSort_~i~0#1;bubbleSort_~i~0#1 := bubbleSort_#t~post2#1 - 1;havoc bubbleSort_#t~post2#1; 141#L515-3 [2023-11-21 20:59:56,499 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 20:59:56,499 INFO L85 PathProgramCache]: Analyzing trace with hash 889568397, now seen corresponding path program 2 times [2023-11-21 20:59:56,499 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 20:59:56,500 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2107431849] [2023-11-21 20:59:56,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 20:59:56,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 20:59:56,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 20:59:56,622 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 20:59:56,623 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 20:59:56,623 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2107431849] [2023-11-21 20:59:56,623 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2107431849] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 20:59:56,623 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 20:59:56,623 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-21 20:59:56,624 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1904050843] [2023-11-21 20:59:56,624 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 20:59:56,624 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-21 20:59:56,624 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 20:59:56,625 INFO L85 PathProgramCache]: Analyzing trace with hash 60779, now seen corresponding path program 1 times [2023-11-21 20:59:56,625 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 20:59:56,625 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [221107429] [2023-11-21 20:59:56,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 20:59:56,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 20:59:56,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 20:59:56,635 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 20:59:56,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 20:59:56,639 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 20:59:56,661 INFO L210 LassoAnalysis]: Preferences: [2023-11-21 20:59:56,661 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-21 20:59:56,661 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-21 20:59:56,661 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-21 20:59:56,661 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-11-21 20:59:56,661 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 20:59:56,661 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-21 20:59:56,662 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-21 20:59:56,662 INFO L133 ssoRankerPreferences]: Filename of dumped script: bubblesort-alloca-2.i_Iteration3_Loop [2023-11-21 20:59:56,662 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-21 20:59:56,662 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-21 20:59:56,663 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 20:59:56,667 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 20:59:56,672 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 20:59:56,675 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 20:59:56,678 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 20:59:56,681 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 20:59:56,737 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-21 20:59:56,738 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-11-21 20:59:56,740 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 20:59:56,740 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63332b08-dec1-4832-bf5f-6b7a65b4775f/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 20:59:56,741 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63332b08-dec1-4832-bf5f-6b7a65b4775f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 20:59:56,745 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-21 20:59:56,745 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-21 20:59:56,759 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63332b08-dec1-4832-bf5f-6b7a65b4775f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2023-11-21 20:59:56,769 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-21 20:59:56,769 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_bubbleSort_~j~0#1=1} Honda state: {ULTIMATE.start_bubbleSort_~j~0#1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-11-21 20:59:56,793 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63332b08-dec1-4832-bf5f-6b7a65b4775f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2023-11-21 20:59:56,793 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 20:59:56,793 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63332b08-dec1-4832-bf5f-6b7a65b4775f/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 20:59:56,794 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63332b08-dec1-4832-bf5f-6b7a65b4775f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 20:59:56,802 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-21 20:59:56,802 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-21 20:59:56,815 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63332b08-dec1-4832-bf5f-6b7a65b4775f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2023-11-21 20:59:56,854 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63332b08-dec1-4832-bf5f-6b7a65b4775f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2023-11-21 20:59:56,854 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 20:59:56,855 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63332b08-dec1-4832-bf5f-6b7a65b4775f/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 20:59:56,856 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63332b08-dec1-4832-bf5f-6b7a65b4775f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 20:59:56,858 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-11-21 20:59:56,858 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-21 20:59:56,871 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63332b08-dec1-4832-bf5f-6b7a65b4775f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2023-11-21 20:59:56,882 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-11-21 20:59:56,908 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63332b08-dec1-4832-bf5f-6b7a65b4775f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2023-11-21 20:59:56,908 INFO L210 LassoAnalysis]: Preferences: [2023-11-21 20:59:56,908 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-21 20:59:56,908 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-21 20:59:56,908 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-21 20:59:56,908 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-21 20:59:56,908 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 20:59:56,909 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-21 20:59:56,909 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-21 20:59:56,909 INFO L133 ssoRankerPreferences]: Filename of dumped script: bubblesort-alloca-2.i_Iteration3_Loop [2023-11-21 20:59:56,909 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-21 20:59:56,909 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-21 20:59:56,910 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 20:59:56,914 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 20:59:56,920 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 20:59:56,923 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 20:59:56,926 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 20:59:56,942 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 20:59:57,006 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-21 20:59:57,006 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-21 20:59:57,006 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 20:59:57,007 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63332b08-dec1-4832-bf5f-6b7a65b4775f/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 20:59:57,008 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63332b08-dec1-4832-bf5f-6b7a65b4775f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 20:59:57,017 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 [2023-11-21 20:59:57,030 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 20:59:57,030 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 20:59:57,030 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 20:59:57,030 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 20:59:57,030 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 20:59:57,031 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 20:59:57,031 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 20:59:57,033 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63332b08-dec1-4832-bf5f-6b7a65b4775f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2023-11-21 20:59:57,043 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 20:59:57,066 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63332b08-dec1-4832-bf5f-6b7a65b4775f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2023-11-21 20:59:57,066 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 20:59:57,066 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63332b08-dec1-4832-bf5f-6b7a65b4775f/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 20:59:57,068 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63332b08-dec1-4832-bf5f-6b7a65b4775f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 20:59:57,070 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 [2023-11-21 20:59:57,082 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 20:59:57,083 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 20:59:57,083 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 20:59:57,083 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 20:59:57,083 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 20:59:57,084 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 20:59:57,084 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 20:59:57,086 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63332b08-dec1-4832-bf5f-6b7a65b4775f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2023-11-21 20:59:57,094 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-21 20:59:57,098 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2023-11-21 20:59:57,098 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2023-11-21 20:59:57,098 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 20:59:57,098 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63332b08-dec1-4832-bf5f-6b7a65b4775f/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 20:59:57,104 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63332b08-dec1-4832-bf5f-6b7a65b4775f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 20:59:57,106 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63332b08-dec1-4832-bf5f-6b7a65b4775f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2023-11-21 20:59:57,106 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-21 20:59:57,106 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2023-11-21 20:59:57,106 INFO L513 LassoAnalysis]: Proved termination. [2023-11-21 20:59:57,106 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_bubbleSort_~i~0#1) = 2*ULTIMATE.start_bubbleSort_~i~0#1 + 1 Supporting invariants [] [2023-11-21 20:59:57,125 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63332b08-dec1-4832-bf5f-6b7a65b4775f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2023-11-21 20:59:57,126 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-11-21 20:59:57,148 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 20:59:57,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 20:59:57,168 INFO L262 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 20:59:57,169 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 20:59:57,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 20:59:57,183 WARN L260 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 20:59:57,184 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 20:59:57,205 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 20:59:57,207 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 [2023-11-21 20:59:57,208 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 13 states and 18 transitions. cyclomatic complexity: 7 Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 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) [2023-11-21 20:59:57,236 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 13 states and 18 transitions. cyclomatic complexity: 7. Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 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 19 states and 28 transitions. Complement of second has 4 states. [2023-11-21 20:59:57,236 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 [2023-11-21 20:59:57,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 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) [2023-11-21 20:59:57,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 16 transitions. [2023-11-21 20:59:57,238 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 16 transitions. Stem has 6 letters. Loop has 3 letters. [2023-11-21 20:59:57,238 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-21 20:59:57,238 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 16 transitions. Stem has 9 letters. Loop has 3 letters. [2023-11-21 20:59:57,238 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-21 20:59:57,238 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 16 transitions. Stem has 6 letters. Loop has 6 letters. [2023-11-21 20:59:57,239 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-21 20:59:57,239 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 19 states and 28 transitions. [2023-11-21 20:59:57,240 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2023-11-21 20:59:57,241 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 19 states to 18 states and 26 transitions. [2023-11-21 20:59:57,241 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2023-11-21 20:59:57,241 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2023-11-21 20:59:57,241 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 26 transitions. [2023-11-21 20:59:57,241 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-21 20:59:57,241 INFO L218 hiAutomatonCegarLoop]: Abstraction has 18 states and 26 transitions. [2023-11-21 20:59:57,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states and 26 transitions. [2023-11-21 20:59:57,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 17. [2023-11-21 20:59:57,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 17 states have (on average 1.4705882352941178) internal successors, (25), 16 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) [2023-11-21 20:59:57,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 25 transitions. [2023-11-21 20:59:57,244 INFO L240 hiAutomatonCegarLoop]: Abstraction has 17 states and 25 transitions. [2023-11-21 20:59:57,244 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 20:59:57,245 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-21 20:59:57,245 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-21 20:59:57,245 INFO L87 Difference]: Start difference. First operand 17 states and 25 transitions. Second operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 20:59:57,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 20:59:57,266 INFO L93 Difference]: Finished difference Result 18 states and 25 transitions. [2023-11-21 20:59:57,267 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 18 states and 25 transitions. [2023-11-21 20:59:57,270 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2023-11-21 20:59:57,271 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 18 states to 18 states and 25 transitions. [2023-11-21 20:59:57,271 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2023-11-21 20:59:57,271 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2023-11-21 20:59:57,271 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 25 transitions. [2023-11-21 20:59:57,272 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-21 20:59:57,272 INFO L218 hiAutomatonCegarLoop]: Abstraction has 18 states and 25 transitions. [2023-11-21 20:59:57,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states and 25 transitions. [2023-11-21 20:59:57,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 17. [2023-11-21 20:59:57,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 17 states have (on average 1.411764705882353) internal successors, (24), 16 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) [2023-11-21 20:59:57,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 24 transitions. [2023-11-21 20:59:57,277 INFO L240 hiAutomatonCegarLoop]: Abstraction has 17 states and 24 transitions. [2023-11-21 20:59:57,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-21 20:59:57,280 INFO L428 stractBuchiCegarLoop]: Abstraction has 17 states and 24 transitions. [2023-11-21 20:59:57,280 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2023-11-21 20:59:57,280 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 24 transitions. [2023-11-21 20:59:57,284 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2023-11-21 20:59:57,284 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-21 20:59:57,284 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-21 20:59:57,285 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 20:59:57,285 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-21 20:59:57,286 INFO L748 eck$LassoCheckResult]: Stem: 260#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 261#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~malloc9#1.base, main_#t~malloc9#1.offset, main_#t~nondet11#1, main_#t~post10#1, main_~k~0#1, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;havoc main_#t~nondet8#1;main_~array_size~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1; 248#L527 assume !(main_~array_size~0#1 < 1 || main_~array_size~0#1 % 4294967296 >= 536870911); 249#L527-2 call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1 % 4294967296);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;main_~k~0#1 := 0; 250#L532-3 assume !!(main_~k~0#1 < main_~array_size~0#1);havoc main_#t~nondet11#1;call write~int#0(main_#t~nondet11#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~k~0#1, 4);havoc main_#t~nondet11#1; 251#L532-2 main_#t~post10#1 := main_~k~0#1;main_~k~0#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 252#L532-3 assume !(main_~k~0#1 < main_~array_size~0#1); 253#L532-4 havoc main_~k~0#1;assume { :begin_inline_bubbleSort } true;bubbleSort_#in~numbers#1.base, bubbleSort_#in~numbers#1.offset, bubbleSort_#in~array_size#1 := main_~numbers~0#1.base, main_~numbers~0#1.offset, main_~array_size~0#1;havoc bubbleSort_#t~mem4#1, bubbleSort_#t~mem5#1, bubbleSort_#t~mem6#1, bubbleSort_#t~mem7#1, bubbleSort_#t~post3#1, bubbleSort_#t~post2#1, bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset, bubbleSort_~array_size#1, bubbleSort_~i~0#1, bubbleSort_~j~0#1, bubbleSort_~temp~0#1;bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset := bubbleSort_#in~numbers#1.base, bubbleSort_#in~numbers#1.offset;bubbleSort_~array_size#1 := bubbleSort_#in~array_size#1;havoc bubbleSort_~i~0#1;havoc bubbleSort_~j~0#1;havoc bubbleSort_~temp~0#1;bubbleSort_~i~0#1 := bubbleSort_~array_size#1 - 1; 254#L515-3 assume !!(bubbleSort_~i~0#1 >= 0);bubbleSort_~j~0#1 := 1; 255#L516-3 [2023-11-21 20:59:57,286 INFO L750 eck$LassoCheckResult]: Loop: 255#L516-3 assume !!(bubbleSort_~j~0#1 <= bubbleSort_~i~0#1);call bubbleSort_#t~mem4#1 := read~int#0(bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * (bubbleSort_~j~0#1 - 1), 4);call bubbleSort_#t~mem5#1 := read~int#0(bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * bubbleSort_~j~0#1, 4); 256#L517 assume bubbleSort_#t~mem4#1 > bubbleSort_#t~mem5#1;havoc bubbleSort_#t~mem4#1;havoc bubbleSort_#t~mem5#1;call bubbleSort_#t~mem6#1 := read~int#0(bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * (bubbleSort_~j~0#1 - 1), 4);bubbleSort_~temp~0#1 := bubbleSort_#t~mem6#1;havoc bubbleSort_#t~mem6#1;call bubbleSort_#t~mem7#1 := read~int#0(bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * bubbleSort_~j~0#1, 4);call write~int#0(bubbleSort_#t~mem7#1, bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * (bubbleSort_~j~0#1 - 1), 4);havoc bubbleSort_#t~mem7#1;call write~int#0(bubbleSort_~temp~0#1, bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * bubbleSort_~j~0#1, 4); 263#L516-2 bubbleSort_#t~post3#1 := bubbleSort_~j~0#1;bubbleSort_~j~0#1 := 1 + bubbleSort_#t~post3#1;havoc bubbleSort_#t~post3#1; 255#L516-3 [2023-11-21 20:59:57,287 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 20:59:57,287 INFO L85 PathProgramCache]: Analyzing trace with hash 1185641744, now seen corresponding path program 1 times [2023-11-21 20:59:57,287 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 20:59:57,288 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [921039990] [2023-11-21 20:59:57,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 20:59:57,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 20:59:57,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 20:59:57,307 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 20:59:57,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 20:59:57,321 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 20:59:57,322 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 20:59:57,322 INFO L85 PathProgramCache]: Analyzing trace with hash 68618, now seen corresponding path program 1 times [2023-11-21 20:59:57,323 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 20:59:57,323 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1413356189] [2023-11-21 20:59:57,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 20:59:57,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 20:59:57,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 20:59:57,332 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 20:59:57,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 20:59:57,339 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 20:59:57,339 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 20:59:57,339 INFO L85 PathProgramCache]: Analyzing trace with hash -357807973, now seen corresponding path program 1 times [2023-11-21 20:59:57,340 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 20:59:57,340 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [208497054] [2023-11-21 20:59:57,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 20:59:57,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 20:59:57,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 20:59:57,498 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63332b08-dec1-4832-bf5f-6b7a65b4775f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2023-11-21 20:59:57,528 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63332b08-dec1-4832-bf5f-6b7a65b4775f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2023-11-21 20:59:57,551 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 20:59:57,552 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 20:59:57,552 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [208497054] [2023-11-21 20:59:57,552 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [208497054] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-21 20:59:57,552 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1045933711] [2023-11-21 20:59:57,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 20:59:57,553 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-21 20:59:57,553 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63332b08-dec1-4832-bf5f-6b7a65b4775f/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 20:59:57,554 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63332b08-dec1-4832-bf5f-6b7a65b4775f/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-21 20:59:57,564 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63332b08-dec1-4832-bf5f-6b7a65b4775f/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2023-11-21 20:59:57,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 20:59:57,628 INFO L262 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-21 20:59:57,629 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 20:59:57,705 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 20:59:57,706 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-21 20:59:57,783 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 20:59:57,784 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1045933711] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-21 20:59:57,784 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-21 20:59:57,784 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 10 [2023-11-21 20:59:57,785 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1079109907] [2023-11-21 20:59:57,785 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-21 20:59:57,916 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 20:59:57,916 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-21 20:59:57,917 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2023-11-21 20:59:57,918 INFO L87 Difference]: Start difference. First operand 17 states and 24 transitions. cyclomatic complexity: 10 Second operand has 10 states, 10 states have (on average 1.9) internal successors, (19), 10 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 20:59:58,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 20:59:58,073 INFO L93 Difference]: Finished difference Result 31 states and 41 transitions. [2023-11-21 20:59:58,073 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 31 states and 41 transitions. [2023-11-21 20:59:58,075 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2023-11-21 20:59:58,078 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 31 states to 20 states and 26 transitions. [2023-11-21 20:59:58,078 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2023-11-21 20:59:58,078 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2023-11-21 20:59:58,079 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 26 transitions. [2023-11-21 20:59:58,079 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-21 20:59:58,079 INFO L218 hiAutomatonCegarLoop]: Abstraction has 20 states and 26 transitions. [2023-11-21 20:59:58,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states and 26 transitions. [2023-11-21 20:59:58,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 19. [2023-11-21 20:59:58,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 19 states have (on average 1.3157894736842106) internal successors, (25), 18 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) [2023-11-21 20:59:58,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 25 transitions. [2023-11-21 20:59:58,084 INFO L240 hiAutomatonCegarLoop]: Abstraction has 19 states and 25 transitions. [2023-11-21 20:59:58,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-21 20:59:58,087 INFO L428 stractBuchiCegarLoop]: Abstraction has 19 states and 25 transitions. [2023-11-21 20:59:58,088 INFO L335 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2023-11-21 20:59:58,088 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 19 states and 25 transitions. [2023-11-21 20:59:58,089 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2023-11-21 20:59:58,089 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-21 20:59:58,089 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-21 20:59:58,090 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 20:59:58,090 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-21 20:59:58,091 INFO L748 eck$LassoCheckResult]: Stem: 400#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 401#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~malloc9#1.base, main_#t~malloc9#1.offset, main_#t~nondet11#1, main_#t~post10#1, main_~k~0#1, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;havoc main_#t~nondet8#1;main_~array_size~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1; 387#L527 assume !(main_~array_size~0#1 < 1 || main_~array_size~0#1 % 4294967296 >= 536870911); 388#L527-2 call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1 % 4294967296);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;main_~k~0#1 := 0; 391#L532-3 assume !!(main_~k~0#1 < main_~array_size~0#1);havoc main_#t~nondet11#1;call write~int#0(main_#t~nondet11#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~k~0#1, 4);havoc main_#t~nondet11#1; 389#L532-2 main_#t~post10#1 := main_~k~0#1;main_~k~0#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 390#L532-3 assume !!(main_~k~0#1 < main_~array_size~0#1);havoc main_#t~nondet11#1;call write~int#0(main_#t~nondet11#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~k~0#1, 4);havoc main_#t~nondet11#1; 404#L532-2 main_#t~post10#1 := main_~k~0#1;main_~k~0#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 405#L532-3 assume !(main_~k~0#1 < main_~array_size~0#1); 392#L532-4 havoc main_~k~0#1;assume { :begin_inline_bubbleSort } true;bubbleSort_#in~numbers#1.base, bubbleSort_#in~numbers#1.offset, bubbleSort_#in~array_size#1 := main_~numbers~0#1.base, main_~numbers~0#1.offset, main_~array_size~0#1;havoc bubbleSort_#t~mem4#1, bubbleSort_#t~mem5#1, bubbleSort_#t~mem6#1, bubbleSort_#t~mem7#1, bubbleSort_#t~post3#1, bubbleSort_#t~post2#1, bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset, bubbleSort_~array_size#1, bubbleSort_~i~0#1, bubbleSort_~j~0#1, bubbleSort_~temp~0#1;bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset := bubbleSort_#in~numbers#1.base, bubbleSort_#in~numbers#1.offset;bubbleSort_~array_size#1 := bubbleSort_#in~array_size#1;havoc bubbleSort_~i~0#1;havoc bubbleSort_~j~0#1;havoc bubbleSort_~temp~0#1;bubbleSort_~i~0#1 := bubbleSort_~array_size#1 - 1; 393#L515-3 assume !!(bubbleSort_~i~0#1 >= 0);bubbleSort_~j~0#1 := 1; 394#L516-3 [2023-11-21 20:59:58,091 INFO L750 eck$LassoCheckResult]: Loop: 394#L516-3 assume !!(bubbleSort_~j~0#1 <= bubbleSort_~i~0#1);call bubbleSort_#t~mem4#1 := read~int#0(bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * (bubbleSort_~j~0#1 - 1), 4);call bubbleSort_#t~mem5#1 := read~int#0(bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * bubbleSort_~j~0#1, 4); 395#L517 assume bubbleSort_#t~mem4#1 > bubbleSort_#t~mem5#1;havoc bubbleSort_#t~mem4#1;havoc bubbleSort_#t~mem5#1;call bubbleSort_#t~mem6#1 := read~int#0(bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * (bubbleSort_~j~0#1 - 1), 4);bubbleSort_~temp~0#1 := bubbleSort_#t~mem6#1;havoc bubbleSort_#t~mem6#1;call bubbleSort_#t~mem7#1 := read~int#0(bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * bubbleSort_~j~0#1, 4);call write~int#0(bubbleSort_#t~mem7#1, bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * (bubbleSort_~j~0#1 - 1), 4);havoc bubbleSort_#t~mem7#1;call write~int#0(bubbleSort_~temp~0#1, bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * bubbleSort_~j~0#1, 4); 402#L516-2 bubbleSort_#t~post3#1 := bubbleSort_~j~0#1;bubbleSort_~j~0#1 := 1 + bubbleSort_#t~post3#1;havoc bubbleSort_#t~post3#1; 394#L516-3 [2023-11-21 20:59:58,091 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 20:59:58,091 INFO L85 PathProgramCache]: Analyzing trace with hash 1237095790, now seen corresponding path program 2 times [2023-11-21 20:59:58,091 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 20:59:58,092 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [953683492] [2023-11-21 20:59:58,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 20:59:58,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 20:59:58,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 20:59:58,113 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 20:59:58,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 20:59:58,127 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 20:59:58,128 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 20:59:58,128 INFO L85 PathProgramCache]: Analyzing trace with hash 68618, now seen corresponding path program 2 times [2023-11-21 20:59:58,128 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 20:59:58,129 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [244587169] [2023-11-21 20:59:58,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 20:59:58,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 20:59:58,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 20:59:58,136 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 20:59:58,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 20:59:58,142 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 20:59:58,143 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 20:59:58,143 INFO L85 PathProgramCache]: Analyzing trace with hash -793648259, now seen corresponding path program 2 times [2023-11-21 20:59:58,143 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 20:59:58,143 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1476926571] [2023-11-21 20:59:58,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 20:59:58,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 20:59:58,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 20:59:58,168 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 20:59:58,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 20:59:58,188 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 20:59:58,689 INFO L210 LassoAnalysis]: Preferences: [2023-11-21 20:59:58,689 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-21 20:59:58,689 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-21 20:59:58,689 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-21 20:59:58,689 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-21 20:59:58,690 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 20:59:58,690 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-21 20:59:58,690 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-21 20:59:58,690 INFO L133 ssoRankerPreferences]: Filename of dumped script: bubblesort-alloca-2.i_Iteration5_Lasso [2023-11-21 20:59:58,690 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-21 20:59:58,690 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-21 20:59:58,694 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 20:59:58,698 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 20:59:58,701 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 20:59:59,004 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 20:59:59,009 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 20:59:59,011 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 20:59:59,017 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 20:59:59,020 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 20:59:59,023 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 20:59:59,030 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 20:59:59,033 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 20:59:59,036 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 20:59:59,039 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 20:59:59,041 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 20:59:59,044 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 20:59:59,046 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 20:59:59,048 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 20:59:59,050 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 20:59:59,053 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 20:59:59,057 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 20:59:59,060 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 20:59:59,353 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-21 20:59:59,354 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-21 20:59:59,354 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 20:59:59,354 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63332b08-dec1-4832-bf5f-6b7a65b4775f/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 20:59:59,355 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63332b08-dec1-4832-bf5f-6b7a65b4775f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 20:59:59,369 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 [2023-11-21 20:59:59,381 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 20:59:59,382 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 20:59:59,382 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 20:59:59,382 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 20:59:59,385 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 20:59:59,385 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 20:59:59,386 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63332b08-dec1-4832-bf5f-6b7a65b4775f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2023-11-21 20:59:59,400 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 20:59:59,422 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63332b08-dec1-4832-bf5f-6b7a65b4775f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2023-11-21 20:59:59,423 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 20:59:59,423 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63332b08-dec1-4832-bf5f-6b7a65b4775f/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 20:59:59,425 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63332b08-dec1-4832-bf5f-6b7a65b4775f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 20:59:59,437 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 [2023-11-21 20:59:59,450 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 20:59:59,450 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 20:59:59,450 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 20:59:59,450 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 20:59:59,450 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 20:59:59,451 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 20:59:59,451 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 20:59:59,452 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63332b08-dec1-4832-bf5f-6b7a65b4775f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2023-11-21 20:59:59,471 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 20:59:59,495 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63332b08-dec1-4832-bf5f-6b7a65b4775f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2023-11-21 20:59:59,495 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 20:59:59,495 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63332b08-dec1-4832-bf5f-6b7a65b4775f/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 20:59:59,496 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63332b08-dec1-4832-bf5f-6b7a65b4775f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 20:59:59,504 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 [2023-11-21 20:59:59,516 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 20:59:59,516 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 20:59:59,516 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 20:59:59,517 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 20:59:59,519 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 20:59:59,519 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 20:59:59,520 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63332b08-dec1-4832-bf5f-6b7a65b4775f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2023-11-21 20:59:59,530 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 20:59:59,552 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63332b08-dec1-4832-bf5f-6b7a65b4775f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2023-11-21 20:59:59,552 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 20:59:59,552 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63332b08-dec1-4832-bf5f-6b7a65b4775f/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 20:59:59,553 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63332b08-dec1-4832-bf5f-6b7a65b4775f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 20:59:59,560 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63332b08-dec1-4832-bf5f-6b7a65b4775f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2023-11-21 20:59:59,560 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 [2023-11-21 20:59:59,573 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 20:59:59,573 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 20:59:59,573 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 20:59:59,573 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 20:59:59,579 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 20:59:59,579 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 20:59:59,593 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 20:59:59,612 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63332b08-dec1-4832-bf5f-6b7a65b4775f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2023-11-21 20:59:59,612 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 20:59:59,612 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63332b08-dec1-4832-bf5f-6b7a65b4775f/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 20:59:59,613 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63332b08-dec1-4832-bf5f-6b7a65b4775f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 20:59:59,617 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 [2023-11-21 20:59:59,629 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 20:59:59,630 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 20:59:59,630 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 20:59:59,630 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 20:59:59,633 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63332b08-dec1-4832-bf5f-6b7a65b4775f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2023-11-21 20:59:59,633 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 20:59:59,633 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 20:59:59,644 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 20:59:59,663 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63332b08-dec1-4832-bf5f-6b7a65b4775f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2023-11-21 20:59:59,664 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 20:59:59,664 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63332b08-dec1-4832-bf5f-6b7a65b4775f/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 20:59:59,665 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63332b08-dec1-4832-bf5f-6b7a65b4775f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 20:59:59,668 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 [2023-11-21 20:59:59,681 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 20:59:59,681 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 20:59:59,681 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 20:59:59,681 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 20:59:59,683 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 20:59:59,683 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 20:59:59,684 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63332b08-dec1-4832-bf5f-6b7a65b4775f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2023-11-21 20:59:59,699 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 20:59:59,722 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63332b08-dec1-4832-bf5f-6b7a65b4775f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2023-11-21 20:59:59,722 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 20:59:59,723 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63332b08-dec1-4832-bf5f-6b7a65b4775f/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 20:59:59,724 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63332b08-dec1-4832-bf5f-6b7a65b4775f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 20:59:59,726 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 [2023-11-21 20:59:59,733 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63332b08-dec1-4832-bf5f-6b7a65b4775f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2023-11-21 20:59:59,739 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 20:59:59,739 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 20:59:59,739 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 20:59:59,739 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 20:59:59,746 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 20:59:59,746 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 20:59:59,767 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-21 20:59:59,794 INFO L443 ModelExtractionUtils]: Simplification made 13 calls to the SMT solver. [2023-11-21 20:59:59,794 INFO L444 ModelExtractionUtils]: 5 out of 19 variables were initially zero. Simplification set additionally 9 variables to zero. [2023-11-21 20:59:59,794 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 20:59:59,795 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63332b08-dec1-4832-bf5f-6b7a65b4775f/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 20:59:59,796 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63332b08-dec1-4832-bf5f-6b7a65b4775f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 20:59:59,798 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63332b08-dec1-4832-bf5f-6b7a65b4775f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2023-11-21 20:59:59,799 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-21 20:59:59,832 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2023-11-21 20:59:59,832 INFO L513 LassoAnalysis]: Proved termination. [2023-11-21 20:59:59,833 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_#t~malloc9#1.base)_2, ULTIMATE.start_bubbleSort_~j~0#1) = 9*v_rep(select #length ULTIMATE.start_main_#t~malloc9#1.base)_2 - 16*ULTIMATE.start_bubbleSort_~j~0#1 Supporting invariants [1*v_rep(select #length ULTIMATE.start_main_#t~malloc9#1.base)_2 - 2*ULTIMATE.start_bubbleSort_~i~0#1 >= 0] [2023-11-21 20:59:59,855 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63332b08-dec1-4832-bf5f-6b7a65b4775f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2023-11-21 20:59:59,879 INFO L156 tatePredicateManager]: 5 out of 7 supporting invariants were superfluous and have been removed [2023-11-21 20:59:59,885 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[#t~malloc9!base] could not be translated [2023-11-21 20:59:59,917 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 20:59:59,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 20:59:59,940 INFO L262 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-21 20:59:59,942 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 20:59:59,988 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-21 21:00:00,221 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63332b08-dec1-4832-bf5f-6b7a65b4775f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2023-11-21 21:00:00,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:00:00,232 INFO L262 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-21 21:00:00,233 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 21:00:00,291 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 21:00:00,292 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.7 stem predicates 2 loop predicates [2023-11-21 21:00:00,292 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 19 states and 25 transitions. cyclomatic complexity: 9 Second operand has 9 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 9 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) [2023-11-21 21:00:00,596 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 19 states and 25 transitions. cyclomatic complexity: 9. Second operand has 9 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 9 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 34 states and 47 transitions. Complement of second has 13 states. [2023-11-21 21:00:00,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 10 states 7 stem states 2 non-accepting loop states 1 accepting loop states [2023-11-21 21:00:00,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 9 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) [2023-11-21 21:00:00,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 18 transitions. [2023-11-21 21:00:00,598 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 18 transitions. Stem has 11 letters. Loop has 3 letters. [2023-11-21 21:00:00,598 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-21 21:00:00,598 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 18 transitions. Stem has 14 letters. Loop has 3 letters. [2023-11-21 21:00:00,599 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-21 21:00:00,599 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 18 transitions. Stem has 11 letters. Loop has 6 letters. [2023-11-21 21:00:00,599 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-21 21:00:00,599 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 34 states and 47 transitions. [2023-11-21 21:00:00,600 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2023-11-21 21:00:00,601 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 34 states to 24 states and 32 transitions. [2023-11-21 21:00:00,601 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2023-11-21 21:00:00,601 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2023-11-21 21:00:00,601 INFO L73 IsDeterministic]: Start isDeterministic. Operand 24 states and 32 transitions. [2023-11-21 21:00:00,601 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-21 21:00:00,601 INFO L218 hiAutomatonCegarLoop]: Abstraction has 24 states and 32 transitions. [2023-11-21 21:00:00,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states and 32 transitions. [2023-11-21 21:00:00,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 19. [2023-11-21 21:00:00,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 19 states have (on average 1.263157894736842) internal successors, (24), 18 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) [2023-11-21 21:00:00,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 24 transitions. [2023-11-21 21:00:00,604 INFO L240 hiAutomatonCegarLoop]: Abstraction has 19 states and 24 transitions. [2023-11-21 21:00:00,604 INFO L428 stractBuchiCegarLoop]: Abstraction has 19 states and 24 transitions. [2023-11-21 21:00:00,604 INFO L335 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2023-11-21 21:00:00,605 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 19 states and 24 transitions. [2023-11-21 21:00:00,605 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2023-11-21 21:00:00,605 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-21 21:00:00,606 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-21 21:00:00,606 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 21:00:00,606 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-21 21:00:00,607 INFO L748 eck$LassoCheckResult]: Stem: 573#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 574#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~malloc9#1.base, main_#t~malloc9#1.offset, main_#t~nondet11#1, main_#t~post10#1, main_~k~0#1, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;havoc main_#t~nondet8#1;main_~array_size~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1; 560#L527 assume !(main_~array_size~0#1 < 1 || main_~array_size~0#1 % 4294967296 >= 536870911); 561#L527-2 call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1 % 4294967296);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;main_~k~0#1 := 0; 564#L532-3 assume !!(main_~k~0#1 < main_~array_size~0#1);havoc main_#t~nondet11#1;call write~int#0(main_#t~nondet11#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~k~0#1, 4);havoc main_#t~nondet11#1; 577#L532-2 main_#t~post10#1 := main_~k~0#1;main_~k~0#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 578#L532-3 assume !!(main_~k~0#1 < main_~array_size~0#1);havoc main_#t~nondet11#1;call write~int#0(main_#t~nondet11#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~k~0#1, 4);havoc main_#t~nondet11#1; 562#L532-2 main_#t~post10#1 := main_~k~0#1;main_~k~0#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 563#L532-3 assume !(main_~k~0#1 < main_~array_size~0#1); 565#L532-4 havoc main_~k~0#1;assume { :begin_inline_bubbleSort } true;bubbleSort_#in~numbers#1.base, bubbleSort_#in~numbers#1.offset, bubbleSort_#in~array_size#1 := main_~numbers~0#1.base, main_~numbers~0#1.offset, main_~array_size~0#1;havoc bubbleSort_#t~mem4#1, bubbleSort_#t~mem5#1, bubbleSort_#t~mem6#1, bubbleSort_#t~mem7#1, bubbleSort_#t~post3#1, bubbleSort_#t~post2#1, bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset, bubbleSort_~array_size#1, bubbleSort_~i~0#1, bubbleSort_~j~0#1, bubbleSort_~temp~0#1;bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset := bubbleSort_#in~numbers#1.base, bubbleSort_#in~numbers#1.offset;bubbleSort_~array_size#1 := bubbleSort_#in~array_size#1;havoc bubbleSort_~i~0#1;havoc bubbleSort_~j~0#1;havoc bubbleSort_~temp~0#1;bubbleSort_~i~0#1 := bubbleSort_~array_size#1 - 1; 566#L515-3 assume !!(bubbleSort_~i~0#1 >= 0);bubbleSort_~j~0#1 := 1; 569#L516-3 assume !(bubbleSort_~j~0#1 <= bubbleSort_~i~0#1); 570#L515-2 bubbleSort_#t~post2#1 := bubbleSort_~i~0#1;bubbleSort_~i~0#1 := bubbleSort_#t~post2#1 - 1;havoc bubbleSort_#t~post2#1; 572#L515-3 assume !!(bubbleSort_~i~0#1 >= 0);bubbleSort_~j~0#1 := 1; 567#L516-3 [2023-11-21 21:00:00,607 INFO L750 eck$LassoCheckResult]: Loop: 567#L516-3 assume !!(bubbleSort_~j~0#1 <= bubbleSort_~i~0#1);call bubbleSort_#t~mem4#1 := read~int#0(bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * (bubbleSort_~j~0#1 - 1), 4);call bubbleSort_#t~mem5#1 := read~int#0(bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * bubbleSort_~j~0#1, 4); 568#L517 assume bubbleSort_#t~mem4#1 > bubbleSort_#t~mem5#1;havoc bubbleSort_#t~mem4#1;havoc bubbleSort_#t~mem5#1;call bubbleSort_#t~mem6#1 := read~int#0(bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * (bubbleSort_~j~0#1 - 1), 4);bubbleSort_~temp~0#1 := bubbleSort_#t~mem6#1;havoc bubbleSort_#t~mem6#1;call bubbleSort_#t~mem7#1 := read~int#0(bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * bubbleSort_~j~0#1, 4);call write~int#0(bubbleSort_#t~mem7#1, bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * (bubbleSort_~j~0#1 - 1), 4);havoc bubbleSort_#t~mem7#1;call write~int#0(bubbleSort_~temp~0#1, bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * bubbleSort_~j~0#1, 4); 575#L516-2 bubbleSort_#t~post3#1 := bubbleSort_~j~0#1;bubbleSort_~j~0#1 := 1 + bubbleSort_#t~post3#1;havoc bubbleSort_#t~post3#1; 567#L516-3 [2023-11-21 21:00:00,607 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 21:00:00,607 INFO L85 PathProgramCache]: Analyzing trace with hash -793649948, now seen corresponding path program 1 times [2023-11-21 21:00:00,608 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 21:00:00,608 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1060903237] [2023-11-21 21:00:00,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:00:00,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 21:00:00,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:00:00,703 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 21:00:00,703 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 21:00:00,703 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1060903237] [2023-11-21 21:00:00,704 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1060903237] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-21 21:00:00,704 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [237786760] [2023-11-21 21:00:00,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:00:00,704 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-21 21:00:00,705 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63332b08-dec1-4832-bf5f-6b7a65b4775f/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 21:00:00,706 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63332b08-dec1-4832-bf5f-6b7a65b4775f/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-21 21:00:00,727 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63332b08-dec1-4832-bf5f-6b7a65b4775f/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2023-11-21 21:00:00,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:00:00,773 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-21 21:00:00,775 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 21:00:00,813 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 21:00:00,813 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-21 21:00:00,859 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 21:00:00,859 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [237786760] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-21 21:00:00,860 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-21 21:00:00,860 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 10 [2023-11-21 21:00:00,860 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1956584130] [2023-11-21 21:00:00,860 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-21 21:00:00,861 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-21 21:00:00,861 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 21:00:00,861 INFO L85 PathProgramCache]: Analyzing trace with hash 68618, now seen corresponding path program 3 times [2023-11-21 21:00:00,862 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 21:00:00,862 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [666744954] [2023-11-21 21:00:00,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:00:00,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 21:00:00,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 21:00:00,868 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 21:00:00,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 21:00:00,873 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 21:00:00,980 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 21:00:00,980 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-21 21:00:00,980 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2023-11-21 21:00:00,981 INFO L87 Difference]: Start difference. First operand 19 states and 24 transitions. cyclomatic complexity: 8 Second operand has 10 states, 10 states have (on average 2.1) internal successors, (21), 10 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) [2023-11-21 21:00:01,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 21:00:01,098 INFO L93 Difference]: Finished difference Result 26 states and 34 transitions. [2023-11-21 21:00:01,098 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 26 states and 34 transitions. [2023-11-21 21:00:01,099 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2023-11-21 21:00:01,099 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 26 states to 26 states and 34 transitions. [2023-11-21 21:00:01,100 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2023-11-21 21:00:01,100 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2023-11-21 21:00:01,100 INFO L73 IsDeterministic]: Start isDeterministic. Operand 26 states and 34 transitions. [2023-11-21 21:00:01,100 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-21 21:00:01,100 INFO L218 hiAutomatonCegarLoop]: Abstraction has 26 states and 34 transitions. [2023-11-21 21:00:01,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states and 34 transitions. [2023-11-21 21:00:01,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 20. [2023-11-21 21:00:01,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 20 states have (on average 1.25) internal successors, (25), 19 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) [2023-11-21 21:00:01,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 25 transitions. [2023-11-21 21:00:01,102 INFO L240 hiAutomatonCegarLoop]: Abstraction has 20 states and 25 transitions. [2023-11-21 21:00:01,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-21 21:00:01,104 INFO L428 stractBuchiCegarLoop]: Abstraction has 20 states and 25 transitions. [2023-11-21 21:00:01,104 INFO L335 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2023-11-21 21:00:01,104 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states and 25 transitions. [2023-11-21 21:00:01,105 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2023-11-21 21:00:01,105 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-21 21:00:01,105 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-21 21:00:01,106 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 21:00:01,106 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-21 21:00:01,106 INFO L748 eck$LassoCheckResult]: Stem: 717#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 718#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~malloc9#1.base, main_#t~malloc9#1.offset, main_#t~nondet11#1, main_#t~post10#1, main_~k~0#1, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;havoc main_#t~nondet8#1;main_~array_size~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1; 706#L527 assume !(main_~array_size~0#1 < 1 || main_~array_size~0#1 % 4294967296 >= 536870911); 707#L527-2 call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1 % 4294967296);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;main_~k~0#1 := 0; 708#L532-3 assume !!(main_~k~0#1 < main_~array_size~0#1);havoc main_#t~nondet11#1;call write~int#0(main_#t~nondet11#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~k~0#1, 4);havoc main_#t~nondet11#1; 709#L532-2 main_#t~post10#1 := main_~k~0#1;main_~k~0#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 710#L532-3 assume !!(main_~k~0#1 < main_~array_size~0#1);havoc main_#t~nondet11#1;call write~int#0(main_#t~nondet11#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~k~0#1, 4);havoc main_#t~nondet11#1; 724#L532-2 main_#t~post10#1 := main_~k~0#1;main_~k~0#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 725#L532-3 assume !(main_~k~0#1 < main_~array_size~0#1); 711#L532-4 havoc main_~k~0#1;assume { :begin_inline_bubbleSort } true;bubbleSort_#in~numbers#1.base, bubbleSort_#in~numbers#1.offset, bubbleSort_#in~array_size#1 := main_~numbers~0#1.base, main_~numbers~0#1.offset, main_~array_size~0#1;havoc bubbleSort_#t~mem4#1, bubbleSort_#t~mem5#1, bubbleSort_#t~mem6#1, bubbleSort_#t~mem7#1, bubbleSort_#t~post3#1, bubbleSort_#t~post2#1, bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset, bubbleSort_~array_size#1, bubbleSort_~i~0#1, bubbleSort_~j~0#1, bubbleSort_~temp~0#1;bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset := bubbleSort_#in~numbers#1.base, bubbleSort_#in~numbers#1.offset;bubbleSort_~array_size#1 := bubbleSort_#in~array_size#1;havoc bubbleSort_~i~0#1;havoc bubbleSort_~j~0#1;havoc bubbleSort_~temp~0#1;bubbleSort_~i~0#1 := bubbleSort_~array_size#1 - 1; 712#L515-3 assume !!(bubbleSort_~i~0#1 >= 0);bubbleSort_~j~0#1 := 1; 715#L516-3 assume !!(bubbleSort_~j~0#1 <= bubbleSort_~i~0#1);call bubbleSort_#t~mem4#1 := read~int#0(bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * (bubbleSort_~j~0#1 - 1), 4);call bubbleSort_#t~mem5#1 := read~int#0(bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * bubbleSort_~j~0#1, 4); 716#L517 assume !(bubbleSort_#t~mem4#1 > bubbleSort_#t~mem5#1);havoc bubbleSort_#t~mem4#1;havoc bubbleSort_#t~mem5#1; 723#L516-2 bubbleSort_#t~post3#1 := bubbleSort_~j~0#1;bubbleSort_~j~0#1 := 1 + bubbleSort_#t~post3#1;havoc bubbleSort_#t~post3#1; 720#L516-3 assume !(bubbleSort_~j~0#1 <= bubbleSort_~i~0#1); 721#L515-2 bubbleSort_#t~post2#1 := bubbleSort_~i~0#1;bubbleSort_~i~0#1 := bubbleSort_#t~post2#1 - 1;havoc bubbleSort_#t~post2#1; 719#L515-3 assume !!(bubbleSort_~i~0#1 >= 0);bubbleSort_~j~0#1 := 1; 713#L516-3 [2023-11-21 21:00:01,106 INFO L750 eck$LassoCheckResult]: Loop: 713#L516-3 assume !!(bubbleSort_~j~0#1 <= bubbleSort_~i~0#1);call bubbleSort_#t~mem4#1 := read~int#0(bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * (bubbleSort_~j~0#1 - 1), 4);call bubbleSort_#t~mem5#1 := read~int#0(bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * bubbleSort_~j~0#1, 4); 714#L517 assume bubbleSort_#t~mem4#1 > bubbleSort_#t~mem5#1;havoc bubbleSort_#t~mem4#1;havoc bubbleSort_#t~mem5#1;call bubbleSort_#t~mem6#1 := read~int#0(bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * (bubbleSort_~j~0#1 - 1), 4);bubbleSort_~temp~0#1 := bubbleSort_#t~mem6#1;havoc bubbleSort_#t~mem6#1;call bubbleSort_#t~mem7#1 := read~int#0(bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * bubbleSort_~j~0#1, 4);call write~int#0(bubbleSort_#t~mem7#1, bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * (bubbleSort_~j~0#1 - 1), 4);havoc bubbleSort_#t~mem7#1;call write~int#0(bubbleSort_~temp~0#1, bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * bubbleSort_~j~0#1, 4); 722#L516-2 bubbleSort_#t~post3#1 := bubbleSort_~j~0#1;bubbleSort_~j~0#1 := 1 + bubbleSort_#t~post3#1;havoc bubbleSort_#t~post3#1; 713#L516-3 [2023-11-21 21:00:01,107 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 21:00:01,107 INFO L85 PathProgramCache]: Analyzing trace with hash 221564791, now seen corresponding path program 1 times [2023-11-21 21:00:01,107 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 21:00:01,107 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1091921224] [2023-11-21 21:00:01,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:00:01,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 21:00:01,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 21:00:01,123 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 21:00:01,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 21:00:01,137 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 21:00:01,138 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 21:00:01,138 INFO L85 PathProgramCache]: Analyzing trace with hash 68618, now seen corresponding path program 4 times [2023-11-21 21:00:01,138 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 21:00:01,139 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2058933190] [2023-11-21 21:00:01,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:00:01,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 21:00:01,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 21:00:01,145 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 21:00:01,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 21:00:01,149 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 21:00:01,150 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 21:00:01,150 INFO L85 PathProgramCache]: Analyzing trace with hash -728006444, now seen corresponding path program 1 times [2023-11-21 21:00:01,150 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 21:00:01,151 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1088079543] [2023-11-21 21:00:01,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:00:01,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 21:00:01,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:00:01,321 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 21:00:01,322 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 21:00:01,322 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1088079543] [2023-11-21 21:00:01,322 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1088079543] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-21 21:00:01,323 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1388372394] [2023-11-21 21:00:01,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:00:01,323 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-21 21:00:01,323 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63332b08-dec1-4832-bf5f-6b7a65b4775f/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 21:00:01,328 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63332b08-dec1-4832-bf5f-6b7a65b4775f/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-21 21:00:01,354 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63332b08-dec1-4832-bf5f-6b7a65b4775f/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2023-11-21 21:00:01,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:00:01,409 INFO L262 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-21 21:00:01,411 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 21:00:01,467 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 21:00:01,468 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-21 21:00:01,539 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 21:00:01,540 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1388372394] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-21 21:00:01,540 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-21 21:00:01,540 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 12 [2023-11-21 21:00:01,541 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2058939401] [2023-11-21 21:00:01,541 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-21 21:00:01,655 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 21:00:01,656 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-21 21:00:01,656 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2023-11-21 21:00:01,657 INFO L87 Difference]: Start difference. First operand 20 states and 25 transitions. cyclomatic complexity: 8 Second operand has 12 states, 12 states have (on average 2.25) internal successors, (27), 12 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 21:00:01,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 21:00:01,807 INFO L93 Difference]: Finished difference Result 35 states and 44 transitions. [2023-11-21 21:00:01,807 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 35 states and 44 transitions. [2023-11-21 21:00:01,808 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2023-11-21 21:00:01,809 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 35 states to 23 states and 28 transitions. [2023-11-21 21:00:01,809 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2023-11-21 21:00:01,809 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2023-11-21 21:00:01,809 INFO L73 IsDeterministic]: Start isDeterministic. Operand 23 states and 28 transitions. [2023-11-21 21:00:01,810 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-21 21:00:01,810 INFO L218 hiAutomatonCegarLoop]: Abstraction has 23 states and 28 transitions. [2023-11-21 21:00:01,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states and 28 transitions. [2023-11-21 21:00:01,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 22. [2023-11-21 21:00:01,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 22 states have (on average 1.2272727272727273) internal successors, (27), 21 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 21:00:01,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 27 transitions. [2023-11-21 21:00:01,814 INFO L240 hiAutomatonCegarLoop]: Abstraction has 22 states and 27 transitions. [2023-11-21 21:00:01,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-21 21:00:01,817 INFO L428 stractBuchiCegarLoop]: Abstraction has 22 states and 27 transitions. [2023-11-21 21:00:01,817 INFO L335 stractBuchiCegarLoop]: ======== Iteration 8 ============ [2023-11-21 21:00:01,817 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 22 states and 27 transitions. [2023-11-21 21:00:01,818 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2023-11-21 21:00:01,818 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-21 21:00:01,818 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-21 21:00:01,819 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 21:00:01,819 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-21 21:00:01,819 INFO L748 eck$LassoCheckResult]: Stem: 915#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 916#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~malloc9#1.base, main_#t~malloc9#1.offset, main_#t~nondet11#1, main_#t~post10#1, main_~k~0#1, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;havoc main_#t~nondet8#1;main_~array_size~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1; 902#L527 assume !(main_~array_size~0#1 < 1 || main_~array_size~0#1 % 4294967296 >= 536870911); 903#L527-2 call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1 % 4294967296);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;main_~k~0#1 := 0; 906#L532-3 assume !!(main_~k~0#1 < main_~array_size~0#1);havoc main_#t~nondet11#1;call write~int#0(main_#t~nondet11#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~k~0#1, 4);havoc main_#t~nondet11#1; 920#L532-2 main_#t~post10#1 := main_~k~0#1;main_~k~0#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 921#L532-3 assume !!(main_~k~0#1 < main_~array_size~0#1);havoc main_#t~nondet11#1;call write~int#0(main_#t~nondet11#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~k~0#1, 4);havoc main_#t~nondet11#1; 904#L532-2 main_#t~post10#1 := main_~k~0#1;main_~k~0#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 905#L532-3 assume !!(main_~k~0#1 < main_~array_size~0#1);havoc main_#t~nondet11#1;call write~int#0(main_#t~nondet11#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~k~0#1, 4);havoc main_#t~nondet11#1; 923#L532-2 main_#t~post10#1 := main_~k~0#1;main_~k~0#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 922#L532-3 assume !(main_~k~0#1 < main_~array_size~0#1); 907#L532-4 havoc main_~k~0#1;assume { :begin_inline_bubbleSort } true;bubbleSort_#in~numbers#1.base, bubbleSort_#in~numbers#1.offset, bubbleSort_#in~array_size#1 := main_~numbers~0#1.base, main_~numbers~0#1.offset, main_~array_size~0#1;havoc bubbleSort_#t~mem4#1, bubbleSort_#t~mem5#1, bubbleSort_#t~mem6#1, bubbleSort_#t~mem7#1, bubbleSort_#t~post3#1, bubbleSort_#t~post2#1, bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset, bubbleSort_~array_size#1, bubbleSort_~i~0#1, bubbleSort_~j~0#1, bubbleSort_~temp~0#1;bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset := bubbleSort_#in~numbers#1.base, bubbleSort_#in~numbers#1.offset;bubbleSort_~array_size#1 := bubbleSort_#in~array_size#1;havoc bubbleSort_~i~0#1;havoc bubbleSort_~j~0#1;havoc bubbleSort_~temp~0#1;bubbleSort_~i~0#1 := bubbleSort_~array_size#1 - 1; 908#L515-3 assume !!(bubbleSort_~i~0#1 >= 0);bubbleSort_~j~0#1 := 1; 911#L516-3 assume !!(bubbleSort_~j~0#1 <= bubbleSort_~i~0#1);call bubbleSort_#t~mem4#1 := read~int#0(bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * (bubbleSort_~j~0#1 - 1), 4);call bubbleSort_#t~mem5#1 := read~int#0(bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * bubbleSort_~j~0#1, 4); 912#L517 assume !(bubbleSort_#t~mem4#1 > bubbleSort_#t~mem5#1);havoc bubbleSort_#t~mem4#1;havoc bubbleSort_#t~mem5#1; 919#L516-2 bubbleSort_#t~post3#1 := bubbleSort_~j~0#1;bubbleSort_~j~0#1 := 1 + bubbleSort_#t~post3#1;havoc bubbleSort_#t~post3#1; 914#L516-3 assume !(bubbleSort_~j~0#1 <= bubbleSort_~i~0#1); 917#L515-2 bubbleSort_#t~post2#1 := bubbleSort_~i~0#1;bubbleSort_~i~0#1 := bubbleSort_#t~post2#1 - 1;havoc bubbleSort_#t~post2#1; 913#L515-3 assume !!(bubbleSort_~i~0#1 >= 0);bubbleSort_~j~0#1 := 1; 909#L516-3 [2023-11-21 21:00:01,820 INFO L750 eck$LassoCheckResult]: Loop: 909#L516-3 assume !!(bubbleSort_~j~0#1 <= bubbleSort_~i~0#1);call bubbleSort_#t~mem4#1 := read~int#0(bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * (bubbleSort_~j~0#1 - 1), 4);call bubbleSort_#t~mem5#1 := read~int#0(bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * bubbleSort_~j~0#1, 4); 910#L517 assume bubbleSort_#t~mem4#1 > bubbleSort_#t~mem5#1;havoc bubbleSort_#t~mem4#1;havoc bubbleSort_#t~mem5#1;call bubbleSort_#t~mem6#1 := read~int#0(bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * (bubbleSort_~j~0#1 - 1), 4);bubbleSort_~temp~0#1 := bubbleSort_#t~mem6#1;havoc bubbleSort_#t~mem6#1;call bubbleSort_#t~mem7#1 := read~int#0(bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * bubbleSort_~j~0#1, 4);call write~int#0(bubbleSort_#t~mem7#1, bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * (bubbleSort_~j~0#1 - 1), 4);havoc bubbleSort_#t~mem7#1;call write~int#0(bubbleSort_~temp~0#1, bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * bubbleSort_~j~0#1, 4); 918#L516-2 bubbleSort_#t~post3#1 := bubbleSort_~j~0#1;bubbleSort_~j~0#1 := 1 + bubbleSort_#t~post3#1;havoc bubbleSort_#t~post3#1; 909#L516-3 [2023-11-21 21:00:01,820 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 21:00:01,820 INFO L85 PathProgramCache]: Analyzing trace with hash 1850126805, now seen corresponding path program 2 times [2023-11-21 21:00:01,820 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 21:00:01,821 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [121928563] [2023-11-21 21:00:01,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:00:01,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 21:00:01,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:00:02,014 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 21:00:02,014 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 21:00:02,014 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [121928563] [2023-11-21 21:00:02,014 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [121928563] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-21 21:00:02,015 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1426936829] [2023-11-21 21:00:02,015 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-21 21:00:02,015 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-21 21:00:02,015 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63332b08-dec1-4832-bf5f-6b7a65b4775f/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 21:00:02,017 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63332b08-dec1-4832-bf5f-6b7a65b4775f/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-21 21:00:02,039 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63332b08-dec1-4832-bf5f-6b7a65b4775f/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2023-11-21 21:00:02,095 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-21 21:00:02,095 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-21 21:00:02,096 INFO L262 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-21 21:00:02,098 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 21:00:02,171 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 21:00:02,172 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-21 21:00:02,246 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 21:00:02,246 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1426936829] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-21 21:00:02,246 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-21 21:00:02,246 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9, 9] total 13 [2023-11-21 21:00:02,247 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1028270198] [2023-11-21 21:00:02,247 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-21 21:00:02,247 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-21 21:00:02,247 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 21:00:02,248 INFO L85 PathProgramCache]: Analyzing trace with hash 68618, now seen corresponding path program 5 times [2023-11-21 21:00:02,248 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 21:00:02,248 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1664003790] [2023-11-21 21:00:02,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:00:02,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 21:00:02,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 21:00:02,254 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 21:00:02,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 21:00:02,258 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 21:00:02,370 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 21:00:02,371 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-21 21:00:02,371 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2023-11-21 21:00:02,372 INFO L87 Difference]: Start difference. First operand 22 states and 27 transitions. cyclomatic complexity: 8 Second operand has 13 states, 13 states have (on average 2.076923076923077) internal successors, (27), 13 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 21:00:02,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 21:00:02,525 INFO L93 Difference]: Finished difference Result 31 states and 40 transitions. [2023-11-21 21:00:02,525 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 31 states and 40 transitions. [2023-11-21 21:00:02,526 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2023-11-21 21:00:02,527 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 31 states to 31 states and 40 transitions. [2023-11-21 21:00:02,527 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2023-11-21 21:00:02,527 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2023-11-21 21:00:02,527 INFO L73 IsDeterministic]: Start isDeterministic. Operand 31 states and 40 transitions. [2023-11-21 21:00:02,527 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-21 21:00:02,527 INFO L218 hiAutomatonCegarLoop]: Abstraction has 31 states and 40 transitions. [2023-11-21 21:00:02,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states and 40 transitions. [2023-11-21 21:00:02,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 25. [2023-11-21 21:00:02,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 25 states have (on average 1.24) internal successors, (31), 24 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 21:00:02,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 31 transitions. [2023-11-21 21:00:02,530 INFO L240 hiAutomatonCegarLoop]: Abstraction has 25 states and 31 transitions. [2023-11-21 21:00:02,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-21 21:00:02,532 INFO L428 stractBuchiCegarLoop]: Abstraction has 25 states and 31 transitions. [2023-11-21 21:00:02,532 INFO L335 stractBuchiCegarLoop]: ======== Iteration 9 ============ [2023-11-21 21:00:02,532 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 25 states and 31 transitions. [2023-11-21 21:00:02,532 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2023-11-21 21:00:02,533 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-21 21:00:02,533 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-21 21:00:02,534 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 21:00:02,534 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-21 21:00:02,534 INFO L748 eck$LassoCheckResult]: Stem: 1102#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 1103#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~malloc9#1.base, main_#t~malloc9#1.offset, main_#t~nondet11#1, main_#t~post10#1, main_~k~0#1, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;havoc main_#t~nondet8#1;main_~array_size~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1; 1091#L527 assume !(main_~array_size~0#1 < 1 || main_~array_size~0#1 % 4294967296 >= 536870911); 1092#L527-2 call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1 % 4294967296);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;main_~k~0#1 := 0; 1093#L532-3 assume !!(main_~k~0#1 < main_~array_size~0#1);havoc main_#t~nondet11#1;call write~int#0(main_#t~nondet11#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~k~0#1, 4);havoc main_#t~nondet11#1; 1094#L532-2 main_#t~post10#1 := main_~k~0#1;main_~k~0#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 1095#L532-3 assume !!(main_~k~0#1 < main_~array_size~0#1);havoc main_#t~nondet11#1;call write~int#0(main_#t~nondet11#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~k~0#1, 4);havoc main_#t~nondet11#1; 1110#L532-2 main_#t~post10#1 := main_~k~0#1;main_~k~0#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 1113#L532-3 assume !!(main_~k~0#1 < main_~array_size~0#1);havoc main_#t~nondet11#1;call write~int#0(main_#t~nondet11#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~k~0#1, 4);havoc main_#t~nondet11#1; 1112#L532-2 main_#t~post10#1 := main_~k~0#1;main_~k~0#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 1111#L532-3 assume !(main_~k~0#1 < main_~array_size~0#1); 1096#L532-4 havoc main_~k~0#1;assume { :begin_inline_bubbleSort } true;bubbleSort_#in~numbers#1.base, bubbleSort_#in~numbers#1.offset, bubbleSort_#in~array_size#1 := main_~numbers~0#1.base, main_~numbers~0#1.offset, main_~array_size~0#1;havoc bubbleSort_#t~mem4#1, bubbleSort_#t~mem5#1, bubbleSort_#t~mem6#1, bubbleSort_#t~mem7#1, bubbleSort_#t~post3#1, bubbleSort_#t~post2#1, bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset, bubbleSort_~array_size#1, bubbleSort_~i~0#1, bubbleSort_~j~0#1, bubbleSort_~temp~0#1;bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset := bubbleSort_#in~numbers#1.base, bubbleSort_#in~numbers#1.offset;bubbleSort_~array_size#1 := bubbleSort_#in~array_size#1;havoc bubbleSort_~i~0#1;havoc bubbleSort_~j~0#1;havoc bubbleSort_~temp~0#1;bubbleSort_~i~0#1 := bubbleSort_~array_size#1 - 1; 1097#L515-3 assume !!(bubbleSort_~i~0#1 >= 0);bubbleSort_~j~0#1 := 1; 1104#L516-3 assume !!(bubbleSort_~j~0#1 <= bubbleSort_~i~0#1);call bubbleSort_#t~mem4#1 := read~int#0(bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * (bubbleSort_~j~0#1 - 1), 4);call bubbleSort_#t~mem5#1 := read~int#0(bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * bubbleSort_~j~0#1, 4); 1115#L517 assume !(bubbleSort_#t~mem4#1 > bubbleSort_#t~mem5#1);havoc bubbleSort_#t~mem4#1;havoc bubbleSort_#t~mem5#1; 1114#L516-2 bubbleSort_#t~post3#1 := bubbleSort_~j~0#1;bubbleSort_~j~0#1 := 1 + bubbleSort_#t~post3#1;havoc bubbleSort_#t~post3#1; 1100#L516-3 assume !!(bubbleSort_~j~0#1 <= bubbleSort_~i~0#1);call bubbleSort_#t~mem4#1 := read~int#0(bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * (bubbleSort_~j~0#1 - 1), 4);call bubbleSort_#t~mem5#1 := read~int#0(bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * bubbleSort_~j~0#1, 4); 1101#L517 assume !(bubbleSort_#t~mem4#1 > bubbleSort_#t~mem5#1);havoc bubbleSort_#t~mem4#1;havoc bubbleSort_#t~mem5#1; 1109#L516-2 bubbleSort_#t~post3#1 := bubbleSort_~j~0#1;bubbleSort_~j~0#1 := 1 + bubbleSort_#t~post3#1;havoc bubbleSort_#t~post3#1; 1106#L516-3 assume !(bubbleSort_~j~0#1 <= bubbleSort_~i~0#1); 1107#L515-2 bubbleSort_#t~post2#1 := bubbleSort_~i~0#1;bubbleSort_~i~0#1 := bubbleSort_#t~post2#1 - 1;havoc bubbleSort_#t~post2#1; 1105#L515-3 assume !!(bubbleSort_~i~0#1 >= 0);bubbleSort_~j~0#1 := 1; 1098#L516-3 [2023-11-21 21:00:02,534 INFO L750 eck$LassoCheckResult]: Loop: 1098#L516-3 assume !!(bubbleSort_~j~0#1 <= bubbleSort_~i~0#1);call bubbleSort_#t~mem4#1 := read~int#0(bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * (bubbleSort_~j~0#1 - 1), 4);call bubbleSort_#t~mem5#1 := read~int#0(bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * bubbleSort_~j~0#1, 4); 1099#L517 assume bubbleSort_#t~mem4#1 > bubbleSort_#t~mem5#1;havoc bubbleSort_#t~mem4#1;havoc bubbleSort_#t~mem5#1;call bubbleSort_#t~mem6#1 := read~int#0(bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * (bubbleSort_~j~0#1 - 1), 4);bubbleSort_~temp~0#1 := bubbleSort_#t~mem6#1;havoc bubbleSort_#t~mem6#1;call bubbleSort_#t~mem7#1 := read~int#0(bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * bubbleSort_~j~0#1, 4);call write~int#0(bubbleSort_#t~mem7#1, bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * (bubbleSort_~j~0#1 - 1), 4);havoc bubbleSort_#t~mem7#1;call write~int#0(bubbleSort_~temp~0#1, bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * bubbleSort_~j~0#1, 4); 1108#L516-2 bubbleSort_#t~post3#1 := bubbleSort_~j~0#1;bubbleSort_~j~0#1 := 1 + bubbleSort_#t~post3#1;havoc bubbleSort_#t~post3#1; 1098#L516-3 [2023-11-21 21:00:02,535 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 21:00:02,535 INFO L85 PathProgramCache]: Analyzing trace with hash -135460634, now seen corresponding path program 3 times [2023-11-21 21:00:02,535 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 21:00:02,535 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1857318814] [2023-11-21 21:00:02,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:00:02,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 21:00:02,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 21:00:02,556 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 21:00:02,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 21:00:02,597 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 21:00:02,598 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 21:00:02,598 INFO L85 PathProgramCache]: Analyzing trace with hash 68618, now seen corresponding path program 6 times [2023-11-21 21:00:02,598 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 21:00:02,598 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1624211593] [2023-11-21 21:00:02,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:00:02,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 21:00:02,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 21:00:02,605 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 21:00:02,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 21:00:02,609 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 21:00:02,610 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 21:00:02,610 INFO L85 PathProgramCache]: Analyzing trace with hash 1761549573, now seen corresponding path program 2 times [2023-11-21 21:00:02,610 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 21:00:02,611 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [750750340] [2023-11-21 21:00:02,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:00:02,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 21:00:02,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:00:03,217 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 14 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 21:00:03,218 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 21:00:03,218 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [750750340] [2023-11-21 21:00:03,218 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [750750340] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-21 21:00:03,218 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [782059364] [2023-11-21 21:00:03,218 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-21 21:00:03,219 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-21 21:00:03,219 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63332b08-dec1-4832-bf5f-6b7a65b4775f/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 21:00:03,221 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63332b08-dec1-4832-bf5f-6b7a65b4775f/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-21 21:00:03,231 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63332b08-dec1-4832-bf5f-6b7a65b4775f/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2023-11-21 21:00:03,304 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-21 21:00:03,304 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-21 21:00:03,306 INFO L262 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 22 conjunts are in the unsatisfiable core [2023-11-21 21:00:03,311 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 21:00:03,412 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-21 21:00:03,412 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 10 [2023-11-21 21:00:03,454 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 21:00:03,454 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-21 21:00:03,574 INFO L349 Elim1Store]: treesize reduction 13, result has 60.6 percent of original size [2023-11-21 21:00:03,574 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 36 treesize of output 28 [2023-11-21 21:00:03,633 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 4 proven. 7 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-21 21:00:03,634 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [782059364] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-21 21:00:03,634 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-21 21:00:03,634 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10, 7] total 17 [2023-11-21 21:00:03,635 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [323338987] [2023-11-21 21:00:03,635 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-21 21:00:03,759 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 21:00:03,760 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2023-11-21 21:00:03,760 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=215, Unknown=0, NotChecked=0, Total=272 [2023-11-21 21:00:03,760 INFO L87 Difference]: Start difference. First operand 25 states and 31 transitions. cyclomatic complexity: 9 Second operand has 17 states, 17 states have (on average 2.6470588235294117) internal successors, (45), 17 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 21:00:03,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 21:00:03,986 INFO L93 Difference]: Finished difference Result 47 states and 63 transitions. [2023-11-21 21:00:03,986 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 47 states and 63 transitions. [2023-11-21 21:00:03,986 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2023-11-21 21:00:03,987 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 47 states to 47 states and 63 transitions. [2023-11-21 21:00:03,987 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 18 [2023-11-21 21:00:03,987 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 18 [2023-11-21 21:00:03,987 INFO L73 IsDeterministic]: Start isDeterministic. Operand 47 states and 63 transitions. [2023-11-21 21:00:03,988 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-21 21:00:03,988 INFO L218 hiAutomatonCegarLoop]: Abstraction has 47 states and 63 transitions. [2023-11-21 21:00:03,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states and 63 transitions. [2023-11-21 21:00:03,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 36. [2023-11-21 21:00:03,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 36 states have (on average 1.3333333333333333) internal successors, (48), 35 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 21:00:03,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 48 transitions. [2023-11-21 21:00:03,991 INFO L240 hiAutomatonCegarLoop]: Abstraction has 36 states and 48 transitions. [2023-11-21 21:00:03,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-21 21:00:03,995 INFO L428 stractBuchiCegarLoop]: Abstraction has 36 states and 48 transitions. [2023-11-21 21:00:03,995 INFO L335 stractBuchiCegarLoop]: ======== Iteration 10 ============ [2023-11-21 21:00:03,995 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 36 states and 48 transitions. [2023-11-21 21:00:03,996 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2023-11-21 21:00:03,996 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-21 21:00:03,996 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-21 21:00:03,998 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 21:00:03,998 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-21 21:00:03,998 INFO L748 eck$LassoCheckResult]: Stem: 1353#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 1354#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~malloc9#1.base, main_#t~malloc9#1.offset, main_#t~nondet11#1, main_#t~post10#1, main_~k~0#1, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;havoc main_#t~nondet8#1;main_~array_size~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1; 1342#L527 assume !(main_~array_size~0#1 < 1 || main_~array_size~0#1 % 4294967296 >= 536870911); 1343#L527-2 call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1 % 4294967296);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;main_~k~0#1 := 0; 1344#L532-3 assume !!(main_~k~0#1 < main_~array_size~0#1);havoc main_#t~nondet11#1;call write~int#0(main_#t~nondet11#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~k~0#1, 4);havoc main_#t~nondet11#1; 1362#L532-2 main_#t~post10#1 := main_~k~0#1;main_~k~0#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 1363#L532-3 assume !!(main_~k~0#1 < main_~array_size~0#1);havoc main_#t~nondet11#1;call write~int#0(main_#t~nondet11#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~k~0#1, 4);havoc main_#t~nondet11#1; 1345#L532-2 main_#t~post10#1 := main_~k~0#1;main_~k~0#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 1346#L532-3 assume !!(main_~k~0#1 < main_~array_size~0#1);havoc main_#t~nondet11#1;call write~int#0(main_#t~nondet11#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~k~0#1, 4);havoc main_#t~nondet11#1; 1367#L532-2 main_#t~post10#1 := main_~k~0#1;main_~k~0#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 1366#L532-3 assume !(main_~k~0#1 < main_~array_size~0#1); 1347#L532-4 havoc main_~k~0#1;assume { :begin_inline_bubbleSort } true;bubbleSort_#in~numbers#1.base, bubbleSort_#in~numbers#1.offset, bubbleSort_#in~array_size#1 := main_~numbers~0#1.base, main_~numbers~0#1.offset, main_~array_size~0#1;havoc bubbleSort_#t~mem4#1, bubbleSort_#t~mem5#1, bubbleSort_#t~mem6#1, bubbleSort_#t~mem7#1, bubbleSort_#t~post3#1, bubbleSort_#t~post2#1, bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset, bubbleSort_~array_size#1, bubbleSort_~i~0#1, bubbleSort_~j~0#1, bubbleSort_~temp~0#1;bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset := bubbleSort_#in~numbers#1.base, bubbleSort_#in~numbers#1.offset;bubbleSort_~array_size#1 := bubbleSort_#in~array_size#1;havoc bubbleSort_~i~0#1;havoc bubbleSort_~j~0#1;havoc bubbleSort_~temp~0#1;bubbleSort_~i~0#1 := bubbleSort_~array_size#1 - 1; 1348#L515-3 assume !!(bubbleSort_~i~0#1 >= 0);bubbleSort_~j~0#1 := 1; 1351#L516-3 assume !!(bubbleSort_~j~0#1 <= bubbleSort_~i~0#1);call bubbleSort_#t~mem4#1 := read~int#0(bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * (bubbleSort_~j~0#1 - 1), 4);call bubbleSort_#t~mem5#1 := read~int#0(bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * bubbleSort_~j~0#1, 4); 1352#L517 assume !(bubbleSort_#t~mem4#1 > bubbleSort_#t~mem5#1);havoc bubbleSort_#t~mem4#1;havoc bubbleSort_#t~mem5#1; 1376#L516-2 bubbleSort_#t~post3#1 := bubbleSort_~j~0#1;bubbleSort_~j~0#1 := 1 + bubbleSort_#t~post3#1;havoc bubbleSort_#t~post3#1; 1377#L516-3 assume !!(bubbleSort_~j~0#1 <= bubbleSort_~i~0#1);call bubbleSort_#t~mem4#1 := read~int#0(bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * (bubbleSort_~j~0#1 - 1), 4);call bubbleSort_#t~mem5#1 := read~int#0(bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * bubbleSort_~j~0#1, 4); 1374#L517 assume bubbleSort_#t~mem4#1 > bubbleSort_#t~mem5#1;havoc bubbleSort_#t~mem4#1;havoc bubbleSort_#t~mem5#1;call bubbleSort_#t~mem6#1 := read~int#0(bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * (bubbleSort_~j~0#1 - 1), 4);bubbleSort_~temp~0#1 := bubbleSort_#t~mem6#1;havoc bubbleSort_#t~mem6#1;call bubbleSort_#t~mem7#1 := read~int#0(bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * bubbleSort_~j~0#1, 4);call write~int#0(bubbleSort_#t~mem7#1, bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * (bubbleSort_~j~0#1 - 1), 4);havoc bubbleSort_#t~mem7#1;call write~int#0(bubbleSort_~temp~0#1, bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * bubbleSort_~j~0#1, 4); 1372#L516-2 bubbleSort_#t~post3#1 := bubbleSort_~j~0#1;bubbleSort_~j~0#1 := 1 + bubbleSort_#t~post3#1;havoc bubbleSort_#t~post3#1; 1373#L516-3 assume !(bubbleSort_~j~0#1 <= bubbleSort_~i~0#1); 1370#L515-2 bubbleSort_#t~post2#1 := bubbleSort_~i~0#1;bubbleSort_~i~0#1 := bubbleSort_#t~post2#1 - 1;havoc bubbleSort_#t~post2#1; 1355#L515-3 assume !!(bubbleSort_~i~0#1 >= 0);bubbleSort_~j~0#1 := 1; 1349#L516-3 [2023-11-21 21:00:03,999 INFO L750 eck$LassoCheckResult]: Loop: 1349#L516-3 assume !!(bubbleSort_~j~0#1 <= bubbleSort_~i~0#1);call bubbleSort_#t~mem4#1 := read~int#0(bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * (bubbleSort_~j~0#1 - 1), 4);call bubbleSort_#t~mem5#1 := read~int#0(bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * bubbleSort_~j~0#1, 4); 1350#L517 assume bubbleSort_#t~mem4#1 > bubbleSort_#t~mem5#1;havoc bubbleSort_#t~mem4#1;havoc bubbleSort_#t~mem5#1;call bubbleSort_#t~mem6#1 := read~int#0(bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * (bubbleSort_~j~0#1 - 1), 4);bubbleSort_~temp~0#1 := bubbleSort_#t~mem6#1;havoc bubbleSort_#t~mem6#1;call bubbleSort_#t~mem7#1 := read~int#0(bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * bubbleSort_~j~0#1, 4);call write~int#0(bubbleSort_#t~mem7#1, bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * (bubbleSort_~j~0#1 - 1), 4);havoc bubbleSort_#t~mem7#1;call write~int#0(bubbleSort_~temp~0#1, bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * bubbleSort_~j~0#1, 4); 1359#L516-2 bubbleSort_#t~post3#1 := bubbleSort_~j~0#1;bubbleSort_~j~0#1 := 1 + bubbleSort_#t~post3#1;havoc bubbleSort_#t~post3#1; 1349#L516-3 [2023-11-21 21:00:03,999 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 21:00:03,999 INFO L85 PathProgramCache]: Analyzing trace with hash -137307676, now seen corresponding path program 3 times [2023-11-21 21:00:03,999 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 21:00:04,000 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [47530913] [2023-11-21 21:00:04,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:00:04,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 21:00:04,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 21:00:04,036 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 21:00:04,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 21:00:04,068 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 21:00:04,068 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 21:00:04,068 INFO L85 PathProgramCache]: Analyzing trace with hash 68618, now seen corresponding path program 7 times [2023-11-21 21:00:04,069 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 21:00:04,069 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1440445252] [2023-11-21 21:00:04,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:00:04,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 21:00:04,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 21:00:04,075 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 21:00:04,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 21:00:04,080 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 21:00:04,082 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 21:00:04,082 INFO L85 PathProgramCache]: Analyzing trace with hash -1724071097, now seen corresponding path program 4 times [2023-11-21 21:00:04,082 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 21:00:04,083 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [652264215] [2023-11-21 21:00:04,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:00:04,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 21:00:04,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 21:00:04,128 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 21:00:04,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 21:00:04,147 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 21:00:05,738 INFO L210 LassoAnalysis]: Preferences: [2023-11-21 21:00:05,738 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-21 21:00:05,738 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-21 21:00:05,738 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-21 21:00:05,739 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-21 21:00:05,739 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 21:00:05,739 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-21 21:00:05,739 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-21 21:00:05,739 INFO L133 ssoRankerPreferences]: Filename of dumped script: bubblesort-alloca-2.i_Iteration10_Lasso [2023-11-21 21:00:05,739 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-21 21:00:05,739 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-21 21:00:05,743 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 21:00:05,745 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 21:00:05,748 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 21:00:05,751 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 21:00:05,753 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 21:00:05,756 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 21:00:06,337 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 21:00:06,341 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 21:00:06,344 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 21:00:06,347 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 21:00:06,350 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 21:00:06,353 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 21:00:06,355 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 21:00:06,358 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 21:00:06,361 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 21:00:06,363 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 21:00:06,365 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 21:00:06,369 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 21:00:06,876 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-21 21:00:06,876 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-21 21:00:06,876 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 21:00:06,877 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63332b08-dec1-4832-bf5f-6b7a65b4775f/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 21:00:06,883 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63332b08-dec1-4832-bf5f-6b7a65b4775f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 21:00:06,884 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63332b08-dec1-4832-bf5f-6b7a65b4775f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2023-11-21 21:00:06,885 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 [2023-11-21 21:00:06,900 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 21:00:06,900 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 21:00:06,901 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 21:00:06,901 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 21:00:06,901 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 21:00:06,902 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 21:00:06,902 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 21:00:06,911 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 21:00:06,937 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63332b08-dec1-4832-bf5f-6b7a65b4775f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2023-11-21 21:00:06,937 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 21:00:06,937 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63332b08-dec1-4832-bf5f-6b7a65b4775f/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 21:00:06,938 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63332b08-dec1-4832-bf5f-6b7a65b4775f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 21:00:06,944 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 [2023-11-21 21:00:06,957 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 21:00:06,957 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 21:00:06,957 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 21:00:06,957 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 21:00:06,957 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 21:00:06,958 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 21:00:06,958 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 21:00:06,959 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63332b08-dec1-4832-bf5f-6b7a65b4775f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2023-11-21 21:00:06,970 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 21:00:06,992 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63332b08-dec1-4832-bf5f-6b7a65b4775f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2023-11-21 21:00:06,993 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 21:00:06,993 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63332b08-dec1-4832-bf5f-6b7a65b4775f/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 21:00:06,994 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63332b08-dec1-4832-bf5f-6b7a65b4775f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 21:00:07,000 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-21 21:00:07,012 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 21:00:07,012 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 21:00:07,012 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 21:00:07,012 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 21:00:07,014 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 21:00:07,014 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 21:00:07,015 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63332b08-dec1-4832-bf5f-6b7a65b4775f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2023-11-21 21:00:07,035 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 21:00:07,059 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63332b08-dec1-4832-bf5f-6b7a65b4775f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2023-11-21 21:00:07,059 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 21:00:07,059 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63332b08-dec1-4832-bf5f-6b7a65b4775f/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 21:00:07,060 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63332b08-dec1-4832-bf5f-6b7a65b4775f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 21:00:07,062 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-21 21:00:07,075 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 21:00:07,075 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 21:00:07,075 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 21:00:07,075 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 21:00:07,075 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 21:00:07,076 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 21:00:07,076 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 21:00:07,077 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63332b08-dec1-4832-bf5f-6b7a65b4775f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2023-11-21 21:00:07,083 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 21:00:07,094 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63332b08-dec1-4832-bf5f-6b7a65b4775f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2023-11-21 21:00:07,094 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 21:00:07,095 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63332b08-dec1-4832-bf5f-6b7a65b4775f/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 21:00:07,095 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63332b08-dec1-4832-bf5f-6b7a65b4775f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 21:00:07,097 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63332b08-dec1-4832-bf5f-6b7a65b4775f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2023-11-21 21:00:07,097 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 [2023-11-21 21:00:07,107 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 21:00:07,107 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 21:00:07,107 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 21:00:07,107 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 21:00:07,107 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 21:00:07,108 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 21:00:07,108 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 21:00:07,109 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 21:00:07,120 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63332b08-dec1-4832-bf5f-6b7a65b4775f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2023-11-21 21:00:07,120 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 21:00:07,120 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63332b08-dec1-4832-bf5f-6b7a65b4775f/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 21:00:07,121 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63332b08-dec1-4832-bf5f-6b7a65b4775f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 21:00:07,125 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63332b08-dec1-4832-bf5f-6b7a65b4775f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2023-11-21 21:00:07,126 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 [2023-11-21 21:00:07,135 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 21:00:07,135 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 21:00:07,136 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 21:00:07,136 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 21:00:07,137 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 21:00:07,137 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 21:00:07,142 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 21:00:07,153 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63332b08-dec1-4832-bf5f-6b7a65b4775f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Ended with exit code 0 [2023-11-21 21:00:07,154 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 21:00:07,154 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63332b08-dec1-4832-bf5f-6b7a65b4775f/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 21:00:07,155 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63332b08-dec1-4832-bf5f-6b7a65b4775f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 21:00:07,156 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63332b08-dec1-4832-bf5f-6b7a65b4775f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2023-11-21 21:00:07,156 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 [2023-11-21 21:00:07,166 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 21:00:07,166 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 21:00:07,167 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 21:00:07,167 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 21:00:07,171 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 21:00:07,171 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 21:00:07,184 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 21:00:07,197 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63332b08-dec1-4832-bf5f-6b7a65b4775f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Ended with exit code 0 [2023-11-21 21:00:07,197 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 21:00:07,198 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63332b08-dec1-4832-bf5f-6b7a65b4775f/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 21:00:07,198 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63332b08-dec1-4832-bf5f-6b7a65b4775f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 21:00:07,199 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63332b08-dec1-4832-bf5f-6b7a65b4775f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2023-11-21 21:00:07,200 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 [2023-11-21 21:00:07,210 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 21:00:07,211 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 21:00:07,211 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 21:00:07,211 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 21:00:07,223 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 21:00:07,226 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 21:00:07,250 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-21 21:00:07,303 INFO L443 ModelExtractionUtils]: Simplification made 20 calls to the SMT solver. [2023-11-21 21:00:07,303 INFO L444 ModelExtractionUtils]: 10 out of 28 variables were initially zero. Simplification set additionally 14 variables to zero. [2023-11-21 21:00:07,304 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 21:00:07,304 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63332b08-dec1-4832-bf5f-6b7a65b4775f/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 21:00:07,309 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63332b08-dec1-4832-bf5f-6b7a65b4775f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 21:00:07,311 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-21 21:00:07,324 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63332b08-dec1-4832-bf5f-6b7a65b4775f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2023-11-21 21:00:07,345 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-11-21 21:00:07,345 INFO L513 LassoAnalysis]: Proved termination. [2023-11-21 21:00:07,345 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_#t~malloc9#1.base)_3, ULTIMATE.start_bubbleSort_~j~0#1, ULTIMATE.start_bubbleSort_~i~0#1) = 1*v_rep(select #length ULTIMATE.start_main_#t~malloc9#1.base)_3 - 16*ULTIMATE.start_bubbleSort_~j~0#1 + 16*ULTIMATE.start_bubbleSort_~i~0#1 Supporting invariants [] [2023-11-21 21:00:07,364 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63332b08-dec1-4832-bf5f-6b7a65b4775f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2023-11-21 21:00:07,384 INFO L156 tatePredicateManager]: 5 out of 6 supporting invariants were superfluous and have been removed [2023-11-21 21:00:07,386 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[#t~malloc9!base] could not be translated [2023-11-21 21:00:07,409 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 21:00:07,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:00:07,441 INFO L262 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-21 21:00:07,443 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 21:00:07,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:00:07,539 INFO L262 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-21 21:00:07,539 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 21:00:07,579 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 21:00:07,580 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.3 stem predicates 2 loop predicates [2023-11-21 21:00:07,580 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 36 states and 48 transitions. cyclomatic complexity: 15 Second operand has 5 states, 5 states have (on average 3.8) internal successors, (19), 5 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 21:00:07,662 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 36 states and 48 transitions. cyclomatic complexity: 15. Second operand has 5 states, 5 states have (on average 3.8) internal successors, (19), 5 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 56 states and 78 transitions. Complement of second has 9 states. [2023-11-21 21:00:07,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 3 stem states 2 non-accepting loop states 1 accepting loop states [2023-11-21 21:00:07,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 3.8) internal successors, (19), 5 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 21:00:07,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 15 transitions. [2023-11-21 21:00:07,663 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 15 transitions. Stem has 22 letters. Loop has 3 letters. [2023-11-21 21:00:07,664 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-21 21:00:07,664 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2023-11-21 21:00:07,688 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 21:00:07,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:00:07,718 INFO L262 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-21 21:00:07,720 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 21:00:07,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:00:07,817 INFO L262 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-21 21:00:07,818 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 21:00:07,867 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63332b08-dec1-4832-bf5f-6b7a65b4775f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Ended with exit code 0 [2023-11-21 21:00:07,892 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 21:00:07,892 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.3 stem predicates 2 loop predicates [2023-11-21 21:00:07,893 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 36 states and 48 transitions. cyclomatic complexity: 15 Second operand has 5 states, 5 states have (on average 3.8) internal successors, (19), 5 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 21:00:07,970 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 36 states and 48 transitions. cyclomatic complexity: 15. Second operand has 5 states, 5 states have (on average 3.8) internal successors, (19), 5 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 56 states and 78 transitions. Complement of second has 9 states. [2023-11-21 21:00:07,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 3 stem states 2 non-accepting loop states 1 accepting loop states [2023-11-21 21:00:07,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 3.8) internal successors, (19), 5 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 21:00:07,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 15 transitions. [2023-11-21 21:00:07,972 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 15 transitions. Stem has 22 letters. Loop has 3 letters. [2023-11-21 21:00:07,973 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-21 21:00:07,973 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2023-11-21 21:00:07,997 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 21:00:08,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:00:08,031 INFO L262 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-21 21:00:08,033 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 21:00:08,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:00:08,149 INFO L262 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-21 21:00:08,150 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 21:00:08,193 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 21:00:08,194 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.3 stem predicates 2 loop predicates [2023-11-21 21:00:08,195 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 36 states and 48 transitions. cyclomatic complexity: 15 Second operand has 5 states, 5 states have (on average 3.8) internal successors, (19), 5 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 21:00:08,273 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 36 states and 48 transitions. cyclomatic complexity: 15. Second operand has 5 states, 5 states have (on average 3.8) internal successors, (19), 5 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 52 states and 76 transitions. Complement of second has 8 states. [2023-11-21 21:00:08,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 3 stem states 2 non-accepting loop states 1 accepting loop states [2023-11-21 21:00:08,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 3.8) internal successors, (19), 5 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 21:00:08,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 22 transitions. [2023-11-21 21:00:08,275 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 22 transitions. Stem has 22 letters. Loop has 3 letters. [2023-11-21 21:00:08,275 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-21 21:00:08,275 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 22 transitions. Stem has 25 letters. Loop has 3 letters. [2023-11-21 21:00:08,276 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-21 21:00:08,276 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 22 transitions. Stem has 22 letters. Loop has 6 letters. [2023-11-21 21:00:08,276 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-21 21:00:08,276 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 52 states and 76 transitions. [2023-11-21 21:00:08,277 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-21 21:00:08,277 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 52 states to 0 states and 0 transitions. [2023-11-21 21:00:08,277 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2023-11-21 21:00:08,277 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2023-11-21 21:00:08,278 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2023-11-21 21:00:08,278 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 21:00:08,278 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-21 21:00:08,278 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-21 21:00:08,278 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-21 21:00:08,278 INFO L335 stractBuchiCegarLoop]: ======== Iteration 11 ============ [2023-11-21 21:00:08,278 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2023-11-21 21:00:08,278 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-21 21:00:08,278 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2023-11-21 21:00:08,285 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 21.11 09:00:08 BoogieIcfgContainer [2023-11-21 21:00:08,285 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-11-21 21:00:08,286 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 21:00:08,286 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 21:00:08,286 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 21:00:08,287 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 08:59:53" (3/4) ... [2023-11-21 21:00:08,289 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-21 21:00:08,290 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-21 21:00:08,290 INFO L158 Benchmark]: Toolchain (without parser) took 15637.76ms. Allocated memory was 115.3MB in the beginning and 197.1MB in the end (delta: 81.8MB). Free memory was 69.0MB in the beginning and 125.1MB in the end (delta: -56.1MB). Peak memory consumption was 26.9MB. Max. memory is 16.1GB. [2023-11-21 21:00:08,291 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 115.3MB. Free memory was 84.0MB in the beginning and 84.0MB in the end (delta: 28.7kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 21:00:08,291 INFO L158 Benchmark]: CACSL2BoogieTranslator took 563.15ms. Allocated memory is still 115.3MB. Free memory was 68.7MB in the beginning and 52.4MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-21 21:00:08,292 INFO L158 Benchmark]: Boogie Procedure Inliner took 77.82ms. Allocated memory is still 115.3MB. Free memory was 52.4MB in the beginning and 50.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 21:00:08,292 INFO L158 Benchmark]: Boogie Preprocessor took 75.92ms. Allocated memory is still 115.3MB. Free memory was 50.3MB in the beginning and 48.6MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 21:00:08,292 INFO L158 Benchmark]: RCFGBuilder took 403.63ms. Allocated memory was 115.3MB in the beginning and 163.6MB in the end (delta: 48.2MB). Free memory was 48.6MB in the beginning and 129.6MB in the end (delta: -81.0MB). Peak memory consumption was 16.2MB. Max. memory is 16.1GB. [2023-11-21 21:00:08,293 INFO L158 Benchmark]: BuchiAutomizer took 14506.91ms. Allocated memory was 163.6MB in the beginning and 197.1MB in the end (delta: 33.6MB). Free memory was 129.6MB in the beginning and 125.1MB in the end (delta: 4.6MB). Peak memory consumption was 38.0MB. Max. memory is 16.1GB. [2023-11-21 21:00:08,293 INFO L158 Benchmark]: Witness Printer took 4.00ms. Allocated memory is still 197.1MB. Free memory is still 125.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 21:00:08,295 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 115.3MB. Free memory was 84.0MB in the beginning and 84.0MB in the end (delta: 28.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 563.15ms. Allocated memory is still 115.3MB. Free memory was 68.7MB in the beginning and 52.4MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 77.82ms. Allocated memory is still 115.3MB. Free memory was 52.4MB in the beginning and 50.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 75.92ms. Allocated memory is still 115.3MB. Free memory was 50.3MB in the beginning and 48.6MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 403.63ms. Allocated memory was 115.3MB in the beginning and 163.6MB in the end (delta: 48.2MB). Free memory was 48.6MB in the beginning and 129.6MB in the end (delta: -81.0MB). Peak memory consumption was 16.2MB. Max. memory is 16.1GB. * BuchiAutomizer took 14506.91ms. Allocated memory was 163.6MB in the beginning and 197.1MB in the end (delta: 33.6MB). Free memory was 129.6MB in the beginning and 125.1MB in the end (delta: 4.6MB). Peak memory consumption was 38.0MB. Max. memory is 16.1GB. * Witness Printer took 4.00ms. Allocated memory is still 197.1MB. Free memory is still 125.1MB. 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: ArrayAccessExpression #length[~numbers~0!base] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #length[#t~malloc9!base] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #length[#t~malloc9!base] could not be translated * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 11 terminating modules (7 trivial, 3 deterministic, 1 nondeterministic). One deterministic module has affine ranking function null and consists of 5 locations. One deterministic module has affine ranking function ((2 * i) + 1) and consists of 3 locations. One deterministic module has affine ranking function null and consists of 10 locations. One nondeterministic module has affine ranking function null and consists of 6 locations. 7 modules have a trivial ranking function, the largest among these consists of 17 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 14.4s and 11 iterations. TraceHistogramMax:3. Analysis of lassos took 11.4s. Construction of modules took 0.5s. Büchi inclusion checks took 2.3s. Highest rank in rank-based complementation 3. Minimization of det autom 3. Minimization of nondet autom 8. Automata minimization 0.0s AutomataMinimizationTime, 10 MinimizatonAttempts, 32 StatesRemovedByMinimization, 8 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, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 272 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 270 mSDsluCounter, 382 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 264 mSDsCounter, 61 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 608 IncrementalHoareTripleChecker+Invalid, 669 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 61 mSolverCounterUnsat, 118 mSDtfsCounter, 608 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc3 concLT0 SILN0 SILU2 SILI1 SILT1 lasso3 LassoPreprocessingBenchmarks: Lassos: inital136 mio100 ax161 hnf100 lsp64 ukn77 mio100 lsp69 div137 bol100 ite100 ukn100 eq174 hnf91 smp86 dnf100 smp100 tf104 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 48ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 1 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.1s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2023-11-21 21:00:08,332 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63332b08-dec1-4832-bf5f-6b7a65b4775f/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Forceful destruction successful, exit code 0 [2023-11-21 21:00:08,536 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63332b08-dec1-4832-bf5f-6b7a65b4775f/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Ended with exit code 0 [2023-11-21 21:00:08,736 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63332b08-dec1-4832-bf5f-6b7a65b4775f/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Ended with exit code 0 [2023-11-21 21:00:08,937 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63332b08-dec1-4832-bf5f-6b7a65b4775f/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Ended with exit code 0 [2023-11-21 21:00:09,139 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63332b08-dec1-4832-bf5f-6b7a65b4775f/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2023-11-21 21:00:09,329 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63332b08-dec1-4832-bf5f-6b7a65b4775f/bin/uautomizer-verify-bycVGegfSx/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