./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/bubblesort-alloca-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25de1af3-db03-4578-9aab-a57e09e3d11e/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25de1af3-db03-4578-9aab-a57e09e3d11e/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25de1af3-db03-4578-9aab-a57e09e3d11e/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25de1af3-db03-4578-9aab-a57e09e3d11e/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/bubblesort-alloca-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25de1af3-db03-4578-9aab-a57e09e3d11e/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25de1af3-db03-4578-9aab-a57e09e3d11e/bin/uautomizer-verify-aQ6SnzHsRB --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash ec853311f8b6ef97341e01f0f96194e2f46c161d2727bd3a328a96a4ccf3856f --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 02:06:49,809 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 02:06:49,879 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25de1af3-db03-4578-9aab-a57e09e3d11e/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Termination-64bit-Automizer_Default.epf [2024-11-28 02:06:49,884 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 02:06:49,884 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 02:06:49,907 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 02:06:49,908 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 02:06:49,908 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 02:06:49,908 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 02:06:49,909 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 02:06:49,909 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 02:06:49,909 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 02:06:49,909 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 02:06:49,909 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-28 02:06:49,910 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-28 02:06:49,910 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-28 02:06:49,910 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-28 02:06:49,910 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-28 02:06:49,910 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-28 02:06:49,910 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 02:06:49,911 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-28 02:06:49,911 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 02:06:49,911 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 02:06:49,911 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-28 02:06:49,911 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-28 02:06:49,911 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-28 02:06:49,911 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-28 02:06:49,911 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 02:06:49,912 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-28 02:06:49,912 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 02:06:49,912 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 02:06:49,912 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 02:06:49,912 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:06:49,912 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 02:06:49,913 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL_NO_AM [2024-11-28 02:06:49,913 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-28 02:06:49,913 INFO L153 SettingsManager]: * TransformationType=MODULO_NEIGHBOR Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25de1af3-db03-4578-9aab-a57e09e3d11e/bin/uautomizer-verify-aQ6SnzHsRB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ec853311f8b6ef97341e01f0f96194e2f46c161d2727bd3a328a96a4ccf3856f [2024-11-28 02:06:50,176 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 02:06:50,191 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 02:06:50,194 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 02:06:50,197 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 02:06:50,197 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 02:06:50,198 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25de1af3-db03-4578-9aab-a57e09e3d11e/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/termination-memory-alloca/bubblesort-alloca-1.i [2024-11-28 02:06:53,129 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25de1af3-db03-4578-9aab-a57e09e3d11e/bin/uautomizer-verify-aQ6SnzHsRB/data/48cf7689a/dcfacbeb0cd04daeb04c5dd0c1a82d57/FLAGc43dee0f2 [2024-11-28 02:06:53,489 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 02:06:53,490 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25de1af3-db03-4578-9aab-a57e09e3d11e/sv-benchmarks/c/termination-memory-alloca/bubblesort-alloca-1.i [2024-11-28 02:06:53,509 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25de1af3-db03-4578-9aab-a57e09e3d11e/bin/uautomizer-verify-aQ6SnzHsRB/data/48cf7689a/dcfacbeb0cd04daeb04c5dd0c1a82d57/FLAGc43dee0f2 [2024-11-28 02:06:53,689 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25de1af3-db03-4578-9aab-a57e09e3d11e/bin/uautomizer-verify-aQ6SnzHsRB/data/48cf7689a/dcfacbeb0cd04daeb04c5dd0c1a82d57 [2024-11-28 02:06:53,691 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 02:06:53,693 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 02:06:53,695 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 02:06:53,696 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 02:06:53,700 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 02:06:53,702 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:06:53" (1/1) ... [2024-11-28 02:06:53,705 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d52c2f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:06:53, skipping insertion in model container [2024-11-28 02:06:53,705 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:06:53" (1/1) ... [2024-11-28 02:06:53,747 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 02:06:54,031 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:06:54,046 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 02:06:54,083 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:06:54,106 INFO L204 MainTranslator]: Completed translation [2024-11-28 02:06:54,106 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:06:54 WrapperNode [2024-11-28 02:06:54,107 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 02:06:54,107 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 02:06:54,108 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 02:06:54,108 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 02:06:54,114 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:06:54" (1/1) ... [2024-11-28 02:06:54,127 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:06:54" (1/1) ... [2024-11-28 02:06:54,145 INFO L138 Inliner]: procedures = 111, calls = 12, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 51 [2024-11-28 02:06:54,145 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 02:06:54,146 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 02:06:54,146 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 02:06:54,146 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 02:06:54,156 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:06:54" (1/1) ... [2024-11-28 02:06:54,156 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:06:54" (1/1) ... [2024-11-28 02:06:54,159 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:06:54" (1/1) ... [2024-11-28 02:06:54,174 INFO L175 MemorySlicer]: Split 6 memory accesses to 1 slices as follows [6]. 100 percent of accesses are in the largest equivalence class. The 0 initializations are split as follows [0]. The 2 writes are split as follows [2]. [2024-11-28 02:06:54,174 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:06:54" (1/1) ... [2024-11-28 02:06:54,175 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:06:54" (1/1) ... [2024-11-28 02:06:54,184 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:06:54" (1/1) ... [2024-11-28 02:06:54,185 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:06:54" (1/1) ... [2024-11-28 02:06:54,192 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:06:54" (1/1) ... [2024-11-28 02:06:54,193 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:06:54" (1/1) ... [2024-11-28 02:06:54,193 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:06:54" (1/1) ... [2024-11-28 02:06:54,198 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 02:06:54,199 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 02:06:54,199 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 02:06:54,200 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 02:06:54,200 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:06:54" (1/1) ... [2024-11-28 02:06:54,209 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:06:54,221 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25de1af3-db03-4578-9aab-a57e09e3d11e/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:06:54,235 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25de1af3-db03-4578-9aab-a57e09e3d11e/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:06:54,237 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25de1af3-db03-4578-9aab-a57e09e3d11e/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-11-28 02:06:54,257 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-28 02:06:54,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-28 02:06:54,258 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-28 02:06:54,258 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-28 02:06:54,258 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 02:06:54,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 02:06:54,368 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 02:06:54,370 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 02:06:54,515 INFO L? ?]: Removed 13 outVars from TransFormulas that were not future-live. [2024-11-28 02:06:54,515 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 02:06:54,528 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 02:06:54,528 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-28 02:06:54,529 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:06:54 BoogieIcfgContainer [2024-11-28 02:06:54,529 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 02:06:54,530 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-28 02:06:54,530 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-28 02:06:54,536 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-28 02:06:54,537 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-28 02:06:54,537 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 02:06:53" (1/3) ... [2024-11-28 02:06:54,538 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2fa0d489 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 02:06:54, skipping insertion in model container [2024-11-28 02:06:54,538 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-28 02:06:54,538 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:06:54" (2/3) ... [2024-11-28 02:06:54,539 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2fa0d489 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 02:06:54, skipping insertion in model container [2024-11-28 02:06:54,539 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-28 02:06:54,539 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:06:54" (3/3) ... [2024-11-28 02:06:54,540 INFO L363 chiAutomizerObserver]: Analyzing ICFG bubblesort-alloca-1.i [2024-11-28 02:06:54,591 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-28 02:06:54,591 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-28 02:06:54,591 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-28 02:06:54,591 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-28 02:06:54,591 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-28 02:06:54,591 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-28 02:06:54,591 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-28 02:06:54,591 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-28 02:06:54,596 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 15 states, 14 states have (on average 1.4285714285714286) internal successors, (20), 14 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:06:54,612 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2024-11-28 02:06:54,612 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-28 02:06:54,613 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-28 02:06:54,617 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2024-11-28 02:06:54,617 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-11-28 02:06:54,617 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-28 02:06:54,618 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 15 states, 14 states have (on average 1.4285714285714286) internal successors, (20), 14 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:06:54,619 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2024-11-28 02:06:54,619 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-28 02:06:54,619 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-28 02:06:54,619 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2024-11-28 02:06:54,619 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-11-28 02:06:54,626 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~malloc9#1.base, main_#t~malloc9#1.offset, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;havoc main_#t~nondet8#1;main_~array_size~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;" "assume !(main_~array_size~0#1 < 1);" "call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1 % 18446744073709551616);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;assume { :begin_inline_bubbleSort } true;bubbleSort_#in~numbers#1.base, bubbleSort_#in~numbers#1.offset, bubbleSort_#in~array_size#1 := main_~numbers~0#1.base, main_~numbers~0#1.offset, main_~array_size~0#1;havoc bubbleSort_#t~mem2#1, bubbleSort_#t~mem3#1, bubbleSort_#t~mem4#1, bubbleSort_#t~mem5#1, bubbleSort_#t~post6#1, bubbleSort_#t~post7#1, bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset, bubbleSort_~array_size#1, bubbleSort_~i~0#1, bubbleSort_~j~0#1, bubbleSort_~temp~0#1;bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset := bubbleSort_#in~numbers#1.base, bubbleSort_#in~numbers#1.offset;bubbleSort_~array_size#1 := bubbleSort_#in~array_size#1;havoc bubbleSort_~i~0#1;havoc bubbleSort_~j~0#1;havoc bubbleSort_~temp~0#1;bubbleSort_~i~0#1 := bubbleSort_~array_size#1 - 1;" [2024-11-28 02:06:54,626 INFO L749 eck$LassoCheckResult]: Loop: "assume bubbleSort_~i~0#1 >= 0;" "bubbleSort_~j~0#1 := 1;" "assume !true;" "bubbleSort_#t~post7#1 := bubbleSort_~i~0#1;bubbleSort_~i~0#1 := bubbleSort_#t~post7#1 - 1;havoc bubbleSort_#t~post7#1;" [2024-11-28 02:06:54,631 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:06:54,631 INFO L85 PathProgramCache]: Analyzing trace with hash 925669, now seen corresponding path program 1 times [2024-11-28 02:06:54,639 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 02:06:54,639 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1690191567] [2024-11-28 02:06:54,639 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:06:54,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:06:54,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:06:54,756 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 02:06:54,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:06:54,800 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 02:06:54,802 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:06:54,803 INFO L85 PathProgramCache]: Analyzing trace with hash 1389863, now seen corresponding path program 1 times [2024-11-28 02:06:54,803 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 02:06:54,803 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1799403170] [2024-11-28 02:06:54,803 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:06:54,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:06:54,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:06:54,851 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-11-28 02:06:54,852 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1799403170] [2024-11-28 02:06:54,852 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1799403170] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:06:54,853 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [206831326] [2024-11-28 02:06:54,853 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:06:54,853 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:06:54,853 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25de1af3-db03-4578-9aab-a57e09e3d11e/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:06:54,855 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25de1af3-db03-4578-9aab-a57e09e3d11e/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:06:54,860 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25de1af3-db03-4578-9aab-a57e09e3d11e/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-28 02:06:54,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:06:54,927 INFO L256 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-28 02:06:54,928 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:06:54,935 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:06:54,939 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [206831326] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 02:06:54,942 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 02:06:54,942 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [2, 2, 2] total 2 [2024-11-28 02:06:54,943 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [974067820] [2024-11-28 02:06:54,944 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 02:06:54,947 INFO L764 eck$LassoCheckResult]: loop already infeasible [2024-11-28 02:06:54,949 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-11-28 02:06:54,980 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-28 02:06:54,981 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 02:06:54,983 INFO L87 Difference]: Start difference. First operand has 15 states, 14 states have (on average 1.4285714285714286) internal successors, (20), 14 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:06:54,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:06:54,990 INFO L93 Difference]: Finished difference Result 15 states and 18 transitions. [2024-11-28 02:06:54,991 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 15 states and 18 transitions. [2024-11-28 02:06:54,993 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2024-11-28 02:06:55,001 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 15 states to 11 states and 14 transitions. [2024-11-28 02:06:55,003 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2024-11-28 02:06:55,004 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2024-11-28 02:06:55,004 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 14 transitions. [2024-11-28 02:06:55,005 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-28 02:06:55,005 INFO L218 hiAutomatonCegarLoop]: Abstraction has 11 states and 14 transitions. [2024-11-28 02:06:55,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states and 14 transitions. [2024-11-28 02:06:55,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2024-11-28 02:06:55,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 11 states have (on average 1.2727272727272727) internal successors, (14), 10 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:06:55,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 14 transitions. [2024-11-28 02:06:55,031 INFO L240 hiAutomatonCegarLoop]: Abstraction has 11 states and 14 transitions. [2024-11-28 02:06:55,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-28 02:06:55,035 INFO L425 stractBuchiCegarLoop]: Abstraction has 11 states and 14 transitions. [2024-11-28 02:06:55,035 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-28 02:06:55,035 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states and 14 transitions. [2024-11-28 02:06:55,035 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2024-11-28 02:06:55,035 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-28 02:06:55,035 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-28 02:06:55,036 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2024-11-28 02:06:55,036 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-11-28 02:06:55,036 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~malloc9#1.base, main_#t~malloc9#1.offset, 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;" "assume !(main_~array_size~0#1 < 1);" "call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1 % 18446744073709551616);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;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~mem2#1, bubbleSort_#t~mem3#1, bubbleSort_#t~mem4#1, bubbleSort_#t~mem5#1, bubbleSort_#t~post6#1, bubbleSort_#t~post7#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;" [2024-11-28 02:06:55,036 INFO L749 eck$LassoCheckResult]: Loop: "assume bubbleSort_~i~0#1 >= 0;" "bubbleSort_~j~0#1 := 1;" "assume !(bubbleSort_~j~0#1 <= bubbleSort_~i~0#1);" "bubbleSort_#t~post7#1 := bubbleSort_~i~0#1;bubbleSort_~i~0#1 := bubbleSort_#t~post7#1 - 1;havoc bubbleSort_#t~post7#1;" [2024-11-28 02:06:55,036 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:06:55,036 INFO L85 PathProgramCache]: Analyzing trace with hash 925669, now seen corresponding path program 2 times [2024-11-28 02:06:55,037 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 02:06:55,037 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [104729644] [2024-11-28 02:06:55,037 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:06:55,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:06:55,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:06:55,052 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 02:06:55,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:06:55,073 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 02:06:55,074 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:06:55,074 INFO L85 PathProgramCache]: Analyzing trace with hash 1389522, now seen corresponding path program 1 times [2024-11-28 02:06:55,074 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 02:06:55,074 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1534548839] [2024-11-28 02:06:55,074 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:06:55,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:06:55,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:06:55,085 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 02:06:55,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:06:55,092 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 02:06:55,095 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:06:55,095 INFO L85 PathProgramCache]: Analyzing trace with hash 176734646, now seen corresponding path program 1 times [2024-11-28 02:06:55,095 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 02:06:55,095 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1918849520] [2024-11-28 02:06:55,095 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:06:55,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:06:55,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:06:55,130 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 02:06:55,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:06:55,180 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 02:06:55,259 INFO L204 LassoAnalysis]: Preferences: [2024-11-28 02:06:55,259 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-28 02:06:55,259 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-28 02:06:55,260 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-28 02:06:55,260 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-28 02:06:55,260 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:06:55,260 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-28 02:06:55,260 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-28 02:06:55,260 INFO L132 ssoRankerPreferences]: Filename of dumped script: bubblesort-alloca-1.i_Iteration2_Loop [2024-11-28 02:06:55,260 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-28 02:06:55,260 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-28 02:06:55,272 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:06:55,290 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:06:55,294 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:06:55,298 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:06:55,303 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:06:55,309 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:06:55,407 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-28 02:06:55,408 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-28 02:06:55,414 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:06:55,415 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25de1af3-db03-4578-9aab-a57e09e3d11e/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:06:55,416 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25de1af3-db03-4578-9aab-a57e09e3d11e/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:06:55,418 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25de1af3-db03-4578-9aab-a57e09e3d11e/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2024-11-28 02:06:55,419 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-28 02:06:55,419 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 02:06:55,440 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25de1af3-db03-4578-9aab-a57e09e3d11e/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2024-11-28 02:06:55,440 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:06:55,440 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25de1af3-db03-4578-9aab-a57e09e3d11e/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:06:55,442 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25de1af3-db03-4578-9aab-a57e09e3d11e/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:06:55,443 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25de1af3-db03-4578-9aab-a57e09e3d11e/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2024-11-28 02:06:55,444 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-28 02:06:55,444 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-28 02:06:55,460 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-28 02:06:55,468 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25de1af3-db03-4578-9aab-a57e09e3d11e/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2024-11-28 02:06:55,469 INFO L204 LassoAnalysis]: Preferences: [2024-11-28 02:06:55,469 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-28 02:06:55,469 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-28 02:06:55,469 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-28 02:06:55,469 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-28 02:06:55,469 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:06:55,469 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-28 02:06:55,469 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-28 02:06:55,469 INFO L132 ssoRankerPreferences]: Filename of dumped script: bubblesort-alloca-1.i_Iteration2_Loop [2024-11-28 02:06:55,469 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-28 02:06:55,469 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-28 02:06:55,471 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:06:55,484 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:06:55,488 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:06:55,491 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:06:55,495 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:06:55,500 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:06:55,567 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-28 02:06:55,571 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-28 02:06:55,572 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:06:55,572 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25de1af3-db03-4578-9aab-a57e09e3d11e/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:06:55,574 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25de1af3-db03-4578-9aab-a57e09e3d11e/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:06:55,576 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25de1af3-db03-4578-9aab-a57e09e3d11e/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2024-11-28 02:06:55,578 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 02:06:55,594 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:06:55,594 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 02:06:55,595 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:06:55,595 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 02:06:55,597 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 02:06:55,603 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 02:06:55,603 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 02:06:55,607 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-28 02:06:55,615 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-11-28 02:06:55,617 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2024-11-28 02:06:55,620 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:06:55,620 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25de1af3-db03-4578-9aab-a57e09e3d11e/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:06:55,623 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25de1af3-db03-4578-9aab-a57e09e3d11e/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:06:55,625 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25de1af3-db03-4578-9aab-a57e09e3d11e/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2024-11-28 02:06:55,625 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-28 02:06:55,625 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-28 02:06:55,626 INFO L474 LassoAnalysis]: Proved termination. [2024-11-28 02:06:55,626 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_bubbleSort_~i~0#1) = 2*ULTIMATE.start_bubbleSort_~i~0#1 + 1 Supporting invariants [] [2024-11-28 02:06:55,632 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25de1af3-db03-4578-9aab-a57e09e3d11e/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2024-11-28 02:06:55,635 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-28 02:06:55,661 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:06:55,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:06:55,691 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-28 02:06:55,691 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:06:55,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:06:55,706 WARN L254 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-28 02:06:55,707 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:06:55,743 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:06:55,745 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2024-11-28 02:06:55,746 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 11 states and 14 transitions. cyclomatic complexity: 4 Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:06:55,798 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 11 states and 14 transitions. cyclomatic complexity: 4. Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 18 states and 24 transitions. Complement of second has 4 states. [2024-11-28 02:06:55,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2024-11-28 02:06:55,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:06:55,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 14 transitions. [2024-11-28 02:06:55,804 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 14 transitions. Stem has 4 letters. Loop has 4 letters. [2024-11-28 02:06:55,805 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 02:06:55,805 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 14 transitions. Stem has 8 letters. Loop has 4 letters. [2024-11-28 02:06:55,805 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 02:06:55,805 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 14 transitions. Stem has 4 letters. Loop has 8 letters. [2024-11-28 02:06:55,805 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 02:06:55,806 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 18 states and 24 transitions. [2024-11-28 02:06:55,806 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2024-11-28 02:06:55,807 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 18 states to 17 states and 23 transitions. [2024-11-28 02:06:55,807 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2024-11-28 02:06:55,807 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2024-11-28 02:06:55,807 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 23 transitions. [2024-11-28 02:06:55,807 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-28 02:06:55,807 INFO L218 hiAutomatonCegarLoop]: Abstraction has 17 states and 23 transitions. [2024-11-28 02:06:55,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states and 23 transitions. [2024-11-28 02:06:55,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2024-11-28 02:06:55,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 17 states have (on average 1.3529411764705883) internal successors, (23), 16 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:06:55,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 23 transitions. [2024-11-28 02:06:55,809 INFO L240 hiAutomatonCegarLoop]: Abstraction has 17 states and 23 transitions. [2024-11-28 02:06:55,809 INFO L425 stractBuchiCegarLoop]: Abstraction has 17 states and 23 transitions. [2024-11-28 02:06:55,809 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-11-28 02:06:55,809 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 23 transitions. [2024-11-28 02:06:55,809 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2024-11-28 02:06:55,809 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-28 02:06:55,810 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-28 02:06:55,810 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2024-11-28 02:06:55,810 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-11-28 02:06:55,810 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~malloc9#1.base, main_#t~malloc9#1.offset, 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;" "assume !(main_~array_size~0#1 < 1);" "call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1 % 18446744073709551616);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;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~mem2#1, bubbleSort_#t~mem3#1, bubbleSort_#t~mem4#1, bubbleSort_#t~mem5#1, bubbleSort_#t~post6#1, bubbleSort_#t~post7#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;" "assume bubbleSort_~i~0#1 >= 0;" "bubbleSort_~j~0#1 := 1;" [2024-11-28 02:06:55,810 INFO L749 eck$LassoCheckResult]: Loop: "assume bubbleSort_~j~0#1 <= bubbleSort_~i~0#1;" "call bubbleSort_#t~mem2#1 := read~int#0(bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * (bubbleSort_~j~0#1 - 1), 4);call bubbleSort_#t~mem3#1 := read~int#0(bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * bubbleSort_~j~0#1, 4);" "assume bubbleSort_#t~mem2#1 > bubbleSort_#t~mem3#1;havoc bubbleSort_#t~mem2#1;havoc bubbleSort_#t~mem3#1;call bubbleSort_#t~mem4#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~mem4#1;havoc bubbleSort_#t~mem4#1;call bubbleSort_#t~mem5#1 := read~int#0(bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * bubbleSort_~j~0#1, 4);call write~int#0(bubbleSort_#t~mem5#1, bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * (bubbleSort_~j~0#1 - 1), 4);havoc bubbleSort_#t~mem5#1;call write~int#0(bubbleSort_~temp~0#1, bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * bubbleSort_~j~0#1, 4);" "bubbleSort_#t~post6#1 := bubbleSort_~j~0#1;bubbleSort_~j~0#1 := 1 + bubbleSort_#t~post6#1;havoc bubbleSort_#t~post6#1;" [2024-11-28 02:06:55,810 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:06:55,811 INFO L85 PathProgramCache]: Analyzing trace with hash 889568393, now seen corresponding path program 1 times [2024-11-28 02:06:55,811 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 02:06:55,811 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1320366408] [2024-11-28 02:06:55,811 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:06:55,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:06:55,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:06:55,829 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 02:06:55,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:06:55,846 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 02:06:55,848 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:06:55,848 INFO L85 PathProgramCache]: Analyzing trace with hash 1697193, now seen corresponding path program 1 times [2024-11-28 02:06:55,849 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 02:06:55,849 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1783887108] [2024-11-28 02:06:55,849 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:06:55,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:06:55,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:06:55,871 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 02:06:55,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:06:55,879 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 02:06:55,879 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:06:55,879 INFO L85 PathProgramCache]: Analyzing trace with hash -1956766159, now seen corresponding path program 1 times [2024-11-28 02:06:55,879 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 02:06:55,880 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1217803366] [2024-11-28 02:06:55,880 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:06:55,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:06:55,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:06:55,899 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 02:06:55,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:06:55,915 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 02:06:56,293 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25de1af3-db03-4578-9aab-a57e09e3d11e/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2024-11-28 02:06:56,306 INFO L204 LassoAnalysis]: Preferences: [2024-11-28 02:06:56,306 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-28 02:06:56,306 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-28 02:06:56,306 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-28 02:06:56,306 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-28 02:06:56,306 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:06:56,306 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-28 02:06:56,306 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-28 02:06:56,307 INFO L132 ssoRankerPreferences]: Filename of dumped script: bubblesort-alloca-1.i_Iteration3_Lasso [2024-11-28 02:06:56,307 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-28 02:06:56,307 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-28 02:06:56,310 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:06:56,313 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:06:56,315 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:06:56,578 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:06:56,582 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:06:56,585 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:06:56,589 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:06:56,592 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:06:56,598 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:06:56,601 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:06:56,604 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:06:56,608 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:06:56,611 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:06:56,614 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:06:56,618 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:06:56,621 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:06:56,624 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:06:57,018 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-28 02:06:57,019 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-28 02:06:57,020 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:06:57,020 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25de1af3-db03-4578-9aab-a57e09e3d11e/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:06:57,022 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25de1af3-db03-4578-9aab-a57e09e3d11e/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:06:57,025 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25de1af3-db03-4578-9aab-a57e09e3d11e/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2024-11-28 02:06:57,026 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 02:06:57,038 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:06:57,038 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 02:06:57,038 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:06:57,038 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 02:06:57,039 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 02:06:57,039 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 02:06:57,039 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 02:06:57,041 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 02:06:57,046 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25de1af3-db03-4578-9aab-a57e09e3d11e/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2024-11-28 02:06:57,047 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:06:57,047 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25de1af3-db03-4578-9aab-a57e09e3d11e/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:06:57,048 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25de1af3-db03-4578-9aab-a57e09e3d11e/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:06:57,050 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25de1af3-db03-4578-9aab-a57e09e3d11e/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2024-11-28 02:06:57,051 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 02:06:57,062 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:06:57,062 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 02:06:57,062 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:06:57,062 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 02:06:57,063 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 02:06:57,063 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 02:06:57,063 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 02:06:57,066 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 02:06:57,074 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25de1af3-db03-4578-9aab-a57e09e3d11e/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2024-11-28 02:06:57,075 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:06:57,075 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25de1af3-db03-4578-9aab-a57e09e3d11e/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:06:57,077 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25de1af3-db03-4578-9aab-a57e09e3d11e/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:06:57,080 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25de1af3-db03-4578-9aab-a57e09e3d11e/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2024-11-28 02:06:57,082 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 02:06:57,097 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:06:57,098 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:06:57,098 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 02:06:57,098 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 02:06:57,115 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 02:06:57,115 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 02:06:57,132 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-28 02:06:57,191 INFO L443 ModelExtractionUtils]: Simplification made 16 calls to the SMT solver. [2024-11-28 02:06:57,191 INFO L444 ModelExtractionUtils]: 5 out of 19 variables were initially zero. Simplification set additionally 10 variables to zero. [2024-11-28 02:06:57,192 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:06:57,192 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25de1af3-db03-4578-9aab-a57e09e3d11e/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:06:57,194 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25de1af3-db03-4578-9aab-a57e09e3d11e/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:06:57,198 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25de1af3-db03-4578-9aab-a57e09e3d11e/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2024-11-28 02:06:57,200 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-28 02:06:57,218 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-11-28 02:06:57,218 INFO L474 LassoAnalysis]: Proved termination. [2024-11-28 02:06:57,218 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_bubbleSort_~j~0#1, ULTIMATE.start_bubbleSort_~i~0#1) = -2*ULTIMATE.start_bubbleSort_~j~0#1 + 2*ULTIMATE.start_bubbleSort_~i~0#1 + 1 Supporting invariants [] [2024-11-28 02:06:57,224 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25de1af3-db03-4578-9aab-a57e09e3d11e/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2024-11-28 02:06:57,238 INFO L156 tatePredicateManager]: 4 out of 4 supporting invariants were superfluous and have been removed [2024-11-28 02:06:57,257 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:06:57,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:06:57,273 INFO L256 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-28 02:06:57,274 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:06:57,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:06:57,297 INFO L256 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-28 02:06:57,298 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:06:57,333 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:06:57,334 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2024-11-28 02:06:57,334 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 17 states and 23 transitions. cyclomatic complexity: 8 Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:06:57,368 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 17 states and 23 transitions. cyclomatic complexity: 8. Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 34 states and 46 transitions. Complement of second has 5 states. [2024-11-28 02:06:57,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2024-11-28 02:06:57,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:06:57,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 12 transitions. [2024-11-28 02:06:57,370 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 12 transitions. Stem has 6 letters. Loop has 4 letters. [2024-11-28 02:06:57,370 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 02:06:57,371 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 12 transitions. Stem has 10 letters. Loop has 4 letters. [2024-11-28 02:06:57,371 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 02:06:57,371 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 12 transitions. Stem has 6 letters. Loop has 8 letters. [2024-11-28 02:06:57,371 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 02:06:57,371 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 34 states and 46 transitions. [2024-11-28 02:06:57,373 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2024-11-28 02:06:57,373 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 34 states to 22 states and 29 transitions. [2024-11-28 02:06:57,373 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2024-11-28 02:06:57,373 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2024-11-28 02:06:57,373 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 29 transitions. [2024-11-28 02:06:57,374 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-28 02:06:57,374 INFO L218 hiAutomatonCegarLoop]: Abstraction has 22 states and 29 transitions. [2024-11-28 02:06:57,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states and 29 transitions. [2024-11-28 02:06:57,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 17. [2024-11-28 02:06:57,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 17 states have (on average 1.2941176470588236) internal successors, (22), 16 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:06:57,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 22 transitions. [2024-11-28 02:06:57,376 INFO L240 hiAutomatonCegarLoop]: Abstraction has 17 states and 22 transitions. [2024-11-28 02:06:57,376 INFO L425 stractBuchiCegarLoop]: Abstraction has 17 states and 22 transitions. [2024-11-28 02:06:57,376 INFO L332 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2024-11-28 02:06:57,376 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 22 transitions. [2024-11-28 02:06:57,376 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2024-11-28 02:06:57,377 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-28 02:06:57,377 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-28 02:06:57,377 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1] [2024-11-28 02:06:57,377 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-11-28 02:06:57,377 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~malloc9#1.base, main_#t~malloc9#1.offset, 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;" "assume !(main_~array_size~0#1 < 1);" "call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1 % 18446744073709551616);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;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~mem2#1, bubbleSort_#t~mem3#1, bubbleSort_#t~mem4#1, bubbleSort_#t~mem5#1, bubbleSort_#t~post6#1, bubbleSort_#t~post7#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;" "assume bubbleSort_~i~0#1 >= 0;" "bubbleSort_~j~0#1 := 1;" "assume !(bubbleSort_~j~0#1 <= bubbleSort_~i~0#1);" "bubbleSort_#t~post7#1 := bubbleSort_~i~0#1;bubbleSort_~i~0#1 := bubbleSort_#t~post7#1 - 1;havoc bubbleSort_#t~post7#1;" "assume bubbleSort_~i~0#1 >= 0;" "bubbleSort_~j~0#1 := 1;" [2024-11-28 02:06:57,377 INFO L749 eck$LassoCheckResult]: Loop: "assume bubbleSort_~j~0#1 <= bubbleSort_~i~0#1;" "call bubbleSort_#t~mem2#1 := read~int#0(bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * (bubbleSort_~j~0#1 - 1), 4);call bubbleSort_#t~mem3#1 := read~int#0(bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * bubbleSort_~j~0#1, 4);" "assume bubbleSort_#t~mem2#1 > bubbleSort_#t~mem3#1;havoc bubbleSort_#t~mem2#1;havoc bubbleSort_#t~mem3#1;call bubbleSort_#t~mem4#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~mem4#1;havoc bubbleSort_#t~mem4#1;call bubbleSort_#t~mem5#1 := read~int#0(bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * bubbleSort_~j~0#1, 4);call write~int#0(bubbleSort_#t~mem5#1, bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * (bubbleSort_~j~0#1 - 1), 4);havoc bubbleSort_#t~mem5#1;call write~int#0(bubbleSort_~temp~0#1, bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * bubbleSort_~j~0#1, 4);" "bubbleSort_#t~post6#1 := bubbleSort_~j~0#1;bubbleSort_~j~0#1 := 1 + bubbleSort_#t~post6#1;havoc bubbleSort_#t~post6#1;" [2024-11-28 02:06:57,378 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:06:57,378 INFO L85 PathProgramCache]: Analyzing trace with hash -1956696550, now seen corresponding path program 2 times [2024-11-28 02:06:57,378 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 02:06:57,378 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1313736111] [2024-11-28 02:06:57,378 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:06:57,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:06:57,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:06:57,465 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-11-28 02:06:57,465 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1313736111] [2024-11-28 02:06:57,465 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1313736111] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:06:57,465 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1966205220] [2024-11-28 02:06:57,465 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:06:57,465 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:06:57,465 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25de1af3-db03-4578-9aab-a57e09e3d11e/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:06:57,467 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25de1af3-db03-4578-9aab-a57e09e3d11e/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:06:57,472 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25de1af3-db03-4578-9aab-a57e09e3d11e/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-28 02:06:57,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:06:57,527 INFO L256 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-28 02:06:57,528 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:06:57,550 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:06:57,579 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1966205220] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 02:06:57,579 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 02:06:57,579 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 5 [2024-11-28 02:06:57,579 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1697701342] [2024-11-28 02:06:57,579 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 02:06:57,579 INFO L752 eck$LassoCheckResult]: stem already infeasible [2024-11-28 02:06:57,580 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:06:57,580 INFO L85 PathProgramCache]: Analyzing trace with hash 1697193, now seen corresponding path program 2 times [2024-11-28 02:06:57,580 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 02:06:57,580 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [312810263] [2024-11-28 02:06:57,580 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:06:57,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:06:57,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:06:57,589 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 02:06:57,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:06:57,596 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 02:06:57,735 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-11-28 02:06:57,735 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 02:06:57,736 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-28 02:06:57,736 INFO L87 Difference]: Start difference. First operand 17 states and 22 transitions. cyclomatic complexity: 7 Second operand has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:06:57,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:06:57,781 INFO L93 Difference]: Finished difference Result 27 states and 34 transitions. [2024-11-28 02:06:57,781 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 27 states and 34 transitions. [2024-11-28 02:06:57,782 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2024-11-28 02:06:57,782 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 27 states to 25 states and 32 transitions. [2024-11-28 02:06:57,784 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14 [2024-11-28 02:06:57,785 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14 [2024-11-28 02:06:57,785 INFO L73 IsDeterministic]: Start isDeterministic. Operand 25 states and 32 transitions. [2024-11-28 02:06:57,785 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-28 02:06:57,785 INFO L218 hiAutomatonCegarLoop]: Abstraction has 25 states and 32 transitions. [2024-11-28 02:06:57,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states and 32 transitions. [2024-11-28 02:06:57,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 18. [2024-11-28 02:06:57,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 18 states have (on average 1.2777777777777777) internal successors, (23), 17 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:06:57,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 23 transitions. [2024-11-28 02:06:57,788 INFO L240 hiAutomatonCegarLoop]: Abstraction has 18 states and 23 transitions. [2024-11-28 02:06:57,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 02:06:57,790 INFO L425 stractBuchiCegarLoop]: Abstraction has 18 states and 23 transitions. [2024-11-28 02:06:57,790 INFO L332 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2024-11-28 02:06:57,791 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states and 23 transitions. [2024-11-28 02:06:57,791 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2024-11-28 02:06:57,791 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-28 02:06:57,793 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-28 02:06:57,793 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:06:57,794 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-11-28 02:06:57,794 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~malloc9#1.base, main_#t~malloc9#1.offset, 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;" "assume !(main_~array_size~0#1 < 1);" "call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1 % 18446744073709551616);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;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~mem2#1, bubbleSort_#t~mem3#1, bubbleSort_#t~mem4#1, bubbleSort_#t~mem5#1, bubbleSort_#t~post6#1, bubbleSort_#t~post7#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;" "assume bubbleSort_~i~0#1 >= 0;" "bubbleSort_~j~0#1 := 1;" "assume bubbleSort_~j~0#1 <= bubbleSort_~i~0#1;" "call bubbleSort_#t~mem2#1 := read~int#0(bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * (bubbleSort_~j~0#1 - 1), 4);call bubbleSort_#t~mem3#1 := read~int#0(bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * bubbleSort_~j~0#1, 4);" "assume !(bubbleSort_#t~mem2#1 > bubbleSort_#t~mem3#1);havoc bubbleSort_#t~mem2#1;havoc bubbleSort_#t~mem3#1;" "bubbleSort_#t~post6#1 := bubbleSort_~j~0#1;bubbleSort_~j~0#1 := 1 + bubbleSort_#t~post6#1;havoc bubbleSort_#t~post6#1;" "assume !(bubbleSort_~j~0#1 <= bubbleSort_~i~0#1);" "bubbleSort_#t~post7#1 := bubbleSort_~i~0#1;bubbleSort_~i~0#1 := bubbleSort_#t~post7#1 - 1;havoc bubbleSort_#t~post7#1;" "assume bubbleSort_~i~0#1 >= 0;" "bubbleSort_~j~0#1 := 1;" [2024-11-28 02:06:57,794 INFO L749 eck$LassoCheckResult]: Loop: "assume bubbleSort_~j~0#1 <= bubbleSort_~i~0#1;" "call bubbleSort_#t~mem2#1 := read~int#0(bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * (bubbleSort_~j~0#1 - 1), 4);call bubbleSort_#t~mem3#1 := read~int#0(bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * bubbleSort_~j~0#1, 4);" "assume bubbleSort_#t~mem2#1 > bubbleSort_#t~mem3#1;havoc bubbleSort_#t~mem2#1;havoc bubbleSort_#t~mem3#1;call bubbleSort_#t~mem4#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~mem4#1;havoc bubbleSort_#t~mem4#1;call bubbleSort_#t~mem5#1 := read~int#0(bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * bubbleSort_~j~0#1, 4);call write~int#0(bubbleSort_#t~mem5#1, bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * (bubbleSort_~j~0#1 - 1), 4);havoc bubbleSort_#t~mem5#1;call write~int#0(bubbleSort_~temp~0#1, bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * bubbleSort_~j~0#1, 4);" "bubbleSort_#t~post6#1 := bubbleSort_~j~0#1;bubbleSort_~j~0#1 := 1 + bubbleSort_#t~post6#1;havoc bubbleSort_#t~post6#1;" [2024-11-28 02:06:57,794 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:06:57,795 INFO L85 PathProgramCache]: Analyzing trace with hash 1497902336, now seen corresponding path program 1 times [2024-11-28 02:06:57,795 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 02:06:57,795 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [814737973] [2024-11-28 02:06:57,795 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:06:57,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:06:57,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:06:57,824 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 02:06:57,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:06:57,848 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 02:06:57,848 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:06:57,848 INFO L85 PathProgramCache]: Analyzing trace with hash 1697193, now seen corresponding path program 3 times [2024-11-28 02:06:57,848 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 02:06:57,848 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1461283438] [2024-11-28 02:06:57,849 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:06:57,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:06:57,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:06:57,861 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 02:06:57,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:06:57,874 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 02:06:57,874 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:06:57,874 INFO L85 PathProgramCache]: Analyzing trace with hash -277513432, now seen corresponding path program 1 times [2024-11-28 02:06:57,875 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 02:06:57,875 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [512226942] [2024-11-28 02:06:57,875 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:06:57,875 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:06:57,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:06:58,080 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-11-28 02:06:58,081 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [512226942] [2024-11-28 02:06:58,081 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [512226942] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:06:58,081 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [502997727] [2024-11-28 02:06:58,081 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:06:58,081 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:06:58,081 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25de1af3-db03-4578-9aab-a57e09e3d11e/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:06:58,086 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25de1af3-db03-4578-9aab-a57e09e3d11e/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:06:58,087 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25de1af3-db03-4578-9aab-a57e09e3d11e/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-28 02:06:58,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:06:58,157 INFO L256 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-28 02:06:58,158 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:06:58,212 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:06:58,277 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [502997727] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 02:06:58,277 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 02:06:58,277 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 10 [2024-11-28 02:06:58,277 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [210466025] [2024-11-28 02:06:58,277 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 02:06:58,407 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-11-28 02:06:58,408 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-28 02:06:58,408 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2024-11-28 02:06:58,408 INFO L87 Difference]: Start difference. First operand 18 states and 23 transitions. cyclomatic complexity: 7 Second operand has 10 states, 10 states have (on average 2.7) internal successors, (27), 10 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:06:58,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:06:58,472 INFO L93 Difference]: Finished difference Result 39 states and 48 transitions. [2024-11-28 02:06:58,472 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 39 states and 48 transitions. [2024-11-28 02:06:58,473 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2024-11-28 02:06:58,473 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 39 states to 33 states and 42 transitions. [2024-11-28 02:06:58,473 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 18 [2024-11-28 02:06:58,473 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 18 [2024-11-28 02:06:58,474 INFO L73 IsDeterministic]: Start isDeterministic. Operand 33 states and 42 transitions. [2024-11-28 02:06:58,474 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-28 02:06:58,474 INFO L218 hiAutomatonCegarLoop]: Abstraction has 33 states and 42 transitions. [2024-11-28 02:06:58,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states and 42 transitions. [2024-11-28 02:06:58,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 22. [2024-11-28 02:06:58,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 22 states have (on average 1.2727272727272727) internal successors, (28), 21 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:06:58,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 28 transitions. [2024-11-28 02:06:58,476 INFO L240 hiAutomatonCegarLoop]: Abstraction has 22 states and 28 transitions. [2024-11-28 02:06:58,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-28 02:06:58,477 INFO L425 stractBuchiCegarLoop]: Abstraction has 22 states and 28 transitions. [2024-11-28 02:06:58,477 INFO L332 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2024-11-28 02:06:58,477 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 22 states and 28 transitions. [2024-11-28 02:06:58,477 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2024-11-28 02:06:58,477 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-28 02:06:58,478 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-28 02:06:58,478 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2024-11-28 02:06:58,478 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-11-28 02:06:58,478 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~malloc9#1.base, main_#t~malloc9#1.offset, 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;" "assume !(main_~array_size~0#1 < 1);" "call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1 % 18446744073709551616);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;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~mem2#1, bubbleSort_#t~mem3#1, bubbleSort_#t~mem4#1, bubbleSort_#t~mem5#1, bubbleSort_#t~post6#1, bubbleSort_#t~post7#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;" "assume bubbleSort_~i~0#1 >= 0;" "bubbleSort_~j~0#1 := 1;" "assume bubbleSort_~j~0#1 <= bubbleSort_~i~0#1;" "call bubbleSort_#t~mem2#1 := read~int#0(bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * (bubbleSort_~j~0#1 - 1), 4);call bubbleSort_#t~mem3#1 := read~int#0(bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * bubbleSort_~j~0#1, 4);" "assume !(bubbleSort_#t~mem2#1 > bubbleSort_#t~mem3#1);havoc bubbleSort_#t~mem2#1;havoc bubbleSort_#t~mem3#1;" "bubbleSort_#t~post6#1 := bubbleSort_~j~0#1;bubbleSort_~j~0#1 := 1 + bubbleSort_#t~post6#1;havoc bubbleSort_#t~post6#1;" "assume bubbleSort_~j~0#1 <= bubbleSort_~i~0#1;" "call bubbleSort_#t~mem2#1 := read~int#0(bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * (bubbleSort_~j~0#1 - 1), 4);call bubbleSort_#t~mem3#1 := read~int#0(bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * bubbleSort_~j~0#1, 4);" "assume !(bubbleSort_#t~mem2#1 > bubbleSort_#t~mem3#1);havoc bubbleSort_#t~mem2#1;havoc bubbleSort_#t~mem3#1;" "bubbleSort_#t~post6#1 := bubbleSort_~j~0#1;bubbleSort_~j~0#1 := 1 + bubbleSort_#t~post6#1;havoc bubbleSort_#t~post6#1;" "assume !(bubbleSort_~j~0#1 <= bubbleSort_~i~0#1);" "bubbleSort_#t~post7#1 := bubbleSort_~i~0#1;bubbleSort_~i~0#1 := bubbleSort_#t~post7#1 - 1;havoc bubbleSort_#t~post7#1;" "assume bubbleSort_~i~0#1 >= 0;" "bubbleSort_~j~0#1 := 1;" [2024-11-28 02:06:58,478 INFO L749 eck$LassoCheckResult]: Loop: "assume bubbleSort_~j~0#1 <= bubbleSort_~i~0#1;" "call bubbleSort_#t~mem2#1 := read~int#0(bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * (bubbleSort_~j~0#1 - 1), 4);call bubbleSort_#t~mem3#1 := read~int#0(bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * bubbleSort_~j~0#1, 4);" "assume bubbleSort_#t~mem2#1 > bubbleSort_#t~mem3#1;havoc bubbleSort_#t~mem2#1;havoc bubbleSort_#t~mem3#1;call bubbleSort_#t~mem4#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~mem4#1;havoc bubbleSort_#t~mem4#1;call bubbleSort_#t~mem5#1 := read~int#0(bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * bubbleSort_~j~0#1, 4);call write~int#0(bubbleSort_#t~mem5#1, bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * (bubbleSort_~j~0#1 - 1), 4);havoc bubbleSort_#t~mem5#1;call write~int#0(bubbleSort_~temp~0#1, bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * bubbleSort_~j~0#1, 4);" "bubbleSort_#t~post6#1 := bubbleSort_~j~0#1;bubbleSort_~j~0#1 := 1 + bubbleSort_#t~post6#1;havoc bubbleSort_#t~post6#1;" [2024-11-28 02:06:58,479 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:06:58,479 INFO L85 PathProgramCache]: Analyzing trace with hash -81049370, now seen corresponding path program 2 times [2024-11-28 02:06:58,479 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 02:06:58,479 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1218593405] [2024-11-28 02:06:58,479 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:06:58,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:06:58,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:06:58,497 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 02:06:58,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:06:58,511 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 02:06:58,511 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:06:58,512 INFO L85 PathProgramCache]: Analyzing trace with hash 1697193, now seen corresponding path program 4 times [2024-11-28 02:06:58,512 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 02:06:58,512 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [592559998] [2024-11-28 02:06:58,512 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:06:58,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:06:58,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:06:58,518 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 02:06:58,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:06:58,523 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 02:06:58,524 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:06:58,524 INFO L85 PathProgramCache]: Analyzing trace with hash 1895576590, now seen corresponding path program 2 times [2024-11-28 02:06:58,524 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 02:06:58,524 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [776060563] [2024-11-28 02:06:58,524 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:06:58,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:06:58,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:06:59,224 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25de1af3-db03-4578-9aab-a57e09e3d11e/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2024-11-28 02:06:59,256 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-11-28 02:06:59,257 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [776060563] [2024-11-28 02:06:59,257 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [776060563] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:06:59,257 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1919900794] [2024-11-28 02:06:59,258 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:06:59,258 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:06:59,258 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25de1af3-db03-4578-9aab-a57e09e3d11e/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:06:59,261 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25de1af3-db03-4578-9aab-a57e09e3d11e/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:06:59,263 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25de1af3-db03-4578-9aab-a57e09e3d11e/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-28 02:06:59,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:06:59,332 INFO L256 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-28 02:06:59,334 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:06:59,461 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 02:06:59,461 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 10 [2024-11-28 02:06:59,479 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:06:59,615 INFO L349 Elim1Store]: treesize reduction 13, result has 60.6 percent of original size [2024-11-28 02:06:59,615 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 [2024-11-28 02:06:59,655 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1919900794] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 02:06:59,655 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 02:06:59,656 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 7, 7] total 17 [2024-11-28 02:06:59,656 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [927599083] [2024-11-28 02:06:59,656 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 02:06:59,766 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-11-28 02:06:59,767 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-28 02:06:59,767 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=204, Unknown=0, NotChecked=0, Total=272 [2024-11-28 02:06:59,767 INFO L87 Difference]: Start difference. First operand 22 states and 28 transitions. cyclomatic complexity: 8 Second operand has 17 states, 17 states have (on average 2.588235294117647) internal successors, (44), 17 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:06:59,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:06:59,920 INFO L93 Difference]: Finished difference Result 51 states and 64 transitions. [2024-11-28 02:06:59,920 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 51 states and 64 transitions. [2024-11-28 02:06:59,921 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2024-11-28 02:06:59,923 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 51 states to 51 states and 64 transitions. [2024-11-28 02:06:59,923 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 26 [2024-11-28 02:06:59,923 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 26 [2024-11-28 02:06:59,923 INFO L73 IsDeterministic]: Start isDeterministic. Operand 51 states and 64 transitions. [2024-11-28 02:06:59,923 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-28 02:06:59,923 INFO L218 hiAutomatonCegarLoop]: Abstraction has 51 states and 64 transitions. [2024-11-28 02:06:59,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states and 64 transitions. [2024-11-28 02:06:59,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 36. [2024-11-28 02:06:59,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 36 states have (on average 1.25) internal successors, (45), 35 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) [2024-11-28 02:06:59,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 45 transitions. [2024-11-28 02:06:59,927 INFO L240 hiAutomatonCegarLoop]: Abstraction has 36 states and 45 transitions. [2024-11-28 02:06:59,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-28 02:06:59,928 INFO L425 stractBuchiCegarLoop]: Abstraction has 36 states and 45 transitions. [2024-11-28 02:06:59,928 INFO L332 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2024-11-28 02:06:59,928 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 36 states and 45 transitions. [2024-11-28 02:06:59,929 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2024-11-28 02:06:59,929 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-28 02:06:59,929 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-28 02:06:59,929 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:06:59,929 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-11-28 02:06:59,930 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~malloc9#1.base, main_#t~malloc9#1.offset, 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;" "assume !(main_~array_size~0#1 < 1);" "call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1 % 18446744073709551616);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;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~mem2#1, bubbleSort_#t~mem3#1, bubbleSort_#t~mem4#1, bubbleSort_#t~mem5#1, bubbleSort_#t~post6#1, bubbleSort_#t~post7#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;" "assume bubbleSort_~i~0#1 >= 0;" "bubbleSort_~j~0#1 := 1;" "assume bubbleSort_~j~0#1 <= bubbleSort_~i~0#1;" "call bubbleSort_#t~mem2#1 := read~int#0(bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * (bubbleSort_~j~0#1 - 1), 4);call bubbleSort_#t~mem3#1 := read~int#0(bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * bubbleSort_~j~0#1, 4);" "assume !(bubbleSort_#t~mem2#1 > bubbleSort_#t~mem3#1);havoc bubbleSort_#t~mem2#1;havoc bubbleSort_#t~mem3#1;" "bubbleSort_#t~post6#1 := bubbleSort_~j~0#1;bubbleSort_~j~0#1 := 1 + bubbleSort_#t~post6#1;havoc bubbleSort_#t~post6#1;" "assume bubbleSort_~j~0#1 <= bubbleSort_~i~0#1;" "call bubbleSort_#t~mem2#1 := read~int#0(bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * (bubbleSort_~j~0#1 - 1), 4);call bubbleSort_#t~mem3#1 := read~int#0(bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * bubbleSort_~j~0#1, 4);" "assume bubbleSort_#t~mem2#1 > bubbleSort_#t~mem3#1;havoc bubbleSort_#t~mem2#1;havoc bubbleSort_#t~mem3#1;call bubbleSort_#t~mem4#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~mem4#1;havoc bubbleSort_#t~mem4#1;call bubbleSort_#t~mem5#1 := read~int#0(bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * bubbleSort_~j~0#1, 4);call write~int#0(bubbleSort_#t~mem5#1, bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * (bubbleSort_~j~0#1 - 1), 4);havoc bubbleSort_#t~mem5#1;call write~int#0(bubbleSort_~temp~0#1, bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * bubbleSort_~j~0#1, 4);" "bubbleSort_#t~post6#1 := bubbleSort_~j~0#1;bubbleSort_~j~0#1 := 1 + bubbleSort_#t~post6#1;havoc bubbleSort_#t~post6#1;" "assume !(bubbleSort_~j~0#1 <= bubbleSort_~i~0#1);" "bubbleSort_#t~post7#1 := bubbleSort_~i~0#1;bubbleSort_~i~0#1 := bubbleSort_#t~post7#1 - 1;havoc bubbleSort_#t~post7#1;" "assume bubbleSort_~i~0#1 >= 0;" "bubbleSort_~j~0#1 := 1;" [2024-11-28 02:06:59,930 INFO L749 eck$LassoCheckResult]: Loop: "assume bubbleSort_~j~0#1 <= bubbleSort_~i~0#1;" "call bubbleSort_#t~mem2#1 := read~int#0(bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * (bubbleSort_~j~0#1 - 1), 4);call bubbleSort_#t~mem3#1 := read~int#0(bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * bubbleSort_~j~0#1, 4);" "assume bubbleSort_#t~mem2#1 > bubbleSort_#t~mem3#1;havoc bubbleSort_#t~mem2#1;havoc bubbleSort_#t~mem3#1;call bubbleSort_#t~mem4#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~mem4#1;havoc bubbleSort_#t~mem4#1;call bubbleSort_#t~mem5#1 := read~int#0(bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * bubbleSort_~j~0#1, 4);call write~int#0(bubbleSort_#t~mem5#1, bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * (bubbleSort_~j~0#1 - 1), 4);havoc bubbleSort_#t~mem5#1;call write~int#0(bubbleSort_~temp~0#1, bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * bubbleSort_~j~0#1, 4);" "bubbleSort_#t~post6#1 := bubbleSort_~j~0#1;bubbleSort_~j~0#1 := 1 + bubbleSort_#t~post6#1;havoc bubbleSort_#t~post6#1;" [2024-11-28 02:06:59,930 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:06:59,930 INFO L85 PathProgramCache]: Analyzing trace with hash -138307672, now seen corresponding path program 3 times [2024-11-28 02:06:59,930 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 02:06:59,930 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [461853128] [2024-11-28 02:06:59,930 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:06:59,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:06:59,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:06:59,948 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 02:06:59,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:06:59,959 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 02:06:59,959 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:06:59,959 INFO L85 PathProgramCache]: Analyzing trace with hash 1697193, now seen corresponding path program 5 times [2024-11-28 02:06:59,959 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 02:06:59,959 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1272392327] [2024-11-28 02:06:59,959 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:06:59,959 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:06:59,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:06:59,964 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 02:06:59,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:06:59,968 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 02:06:59,968 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:06:59,969 INFO L85 PathProgramCache]: Analyzing trace with hash -2006363696, now seen corresponding path program 4 times [2024-11-28 02:06:59,969 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 02:06:59,969 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1195078949] [2024-11-28 02:06:59,969 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:06:59,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:06:59,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:06:59,988 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 02:06:59,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:07:00,001 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 02:07:00,671 INFO L204 LassoAnalysis]: Preferences: [2024-11-28 02:07:00,672 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-28 02:07:00,672 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-28 02:07:00,672 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-28 02:07:00,672 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-28 02:07:00,672 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:07:00,672 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-28 02:07:00,672 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-28 02:07:00,672 INFO L132 ssoRankerPreferences]: Filename of dumped script: bubblesort-alloca-1.i_Iteration7_Lasso [2024-11-28 02:07:00,672 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-28 02:07:00,672 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-28 02:07:00,675 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:07:00,681 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:07:00,685 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:07:00,687 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:07:00,690 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:07:00,693 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:07:00,696 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:07:00,699 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:07:00,998 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:07:01,001 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:07:01,003 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:07:01,009 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:07:01,011 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:07:01,013 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:07:01,015 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:07:01,018 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:07:01,020 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:07:01,315 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-28 02:07:01,315 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-28 02:07:01,315 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:07:01,315 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25de1af3-db03-4578-9aab-a57e09e3d11e/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:07:01,317 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25de1af3-db03-4578-9aab-a57e09e3d11e/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:07:01,322 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25de1af3-db03-4578-9aab-a57e09e3d11e/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2024-11-28 02:07:01,323 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 02:07:01,334 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:07:01,334 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 02:07:01,334 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:07:01,334 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 02:07:01,334 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 02:07:01,335 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 02:07:01,335 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 02:07:01,337 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 02:07:01,345 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25de1af3-db03-4578-9aab-a57e09e3d11e/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2024-11-28 02:07:01,345 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:07:01,345 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25de1af3-db03-4578-9aab-a57e09e3d11e/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:07:01,347 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25de1af3-db03-4578-9aab-a57e09e3d11e/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:07:01,351 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25de1af3-db03-4578-9aab-a57e09e3d11e/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2024-11-28 02:07:01,351 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 02:07:01,365 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:07:01,365 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 02:07:01,365 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:07:01,366 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 02:07:01,366 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 02:07:01,366 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 02:07:01,366 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 02:07:01,370 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 02:07:01,379 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25de1af3-db03-4578-9aab-a57e09e3d11e/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2024-11-28 02:07:01,379 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:07:01,379 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25de1af3-db03-4578-9aab-a57e09e3d11e/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:07:01,382 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25de1af3-db03-4578-9aab-a57e09e3d11e/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:07:01,384 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25de1af3-db03-4578-9aab-a57e09e3d11e/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2024-11-28 02:07:01,385 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 02:07:01,395 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:07:01,395 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 02:07:01,396 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:07:01,396 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 02:07:01,396 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 02:07:01,396 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 02:07:01,396 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 02:07:01,397 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 02:07:01,403 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25de1af3-db03-4578-9aab-a57e09e3d11e/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2024-11-28 02:07:01,404 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:07:01,404 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25de1af3-db03-4578-9aab-a57e09e3d11e/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:07:01,405 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25de1af3-db03-4578-9aab-a57e09e3d11e/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:07:01,407 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25de1af3-db03-4578-9aab-a57e09e3d11e/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2024-11-28 02:07:01,408 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 02:07:01,418 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:07:01,418 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 02:07:01,418 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:07:01,418 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 02:07:01,418 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 02:07:01,419 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 02:07:01,419 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 02:07:01,420 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 02:07:01,427 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25de1af3-db03-4578-9aab-a57e09e3d11e/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Ended with exit code 0 [2024-11-28 02:07:01,427 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:07:01,427 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25de1af3-db03-4578-9aab-a57e09e3d11e/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:07:01,429 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25de1af3-db03-4578-9aab-a57e09e3d11e/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:07:01,430 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25de1af3-db03-4578-9aab-a57e09e3d11e/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2024-11-28 02:07:01,431 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 02:07:01,441 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:07:01,442 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:07:01,442 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 02:07:01,442 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 02:07:01,443 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 02:07:01,444 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 02:07:01,447 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 02:07:01,452 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25de1af3-db03-4578-9aab-a57e09e3d11e/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2024-11-28 02:07:01,452 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:07:01,452 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25de1af3-db03-4578-9aab-a57e09e3d11e/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:07:01,454 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25de1af3-db03-4578-9aab-a57e09e3d11e/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:07:01,455 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25de1af3-db03-4578-9aab-a57e09e3d11e/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2024-11-28 02:07:01,456 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 02:07:01,467 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:07:01,467 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 02:07:01,467 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:07:01,467 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 02:07:01,467 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 02:07:01,467 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 02:07:01,467 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 02:07:01,468 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 02:07:01,474 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25de1af3-db03-4578-9aab-a57e09e3d11e/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Ended with exit code 0 [2024-11-28 02:07:01,475 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:07:01,475 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25de1af3-db03-4578-9aab-a57e09e3d11e/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:07:01,477 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25de1af3-db03-4578-9aab-a57e09e3d11e/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:07:01,478 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25de1af3-db03-4578-9aab-a57e09e3d11e/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2024-11-28 02:07:01,480 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 02:07:01,490 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:07:01,490 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 02:07:01,490 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:07:01,490 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 02:07:01,490 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 02:07:01,491 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 02:07:01,491 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 02:07:01,492 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 02:07:01,498 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25de1af3-db03-4578-9aab-a57e09e3d11e/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Ended with exit code 0 [2024-11-28 02:07:01,498 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:07:01,498 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25de1af3-db03-4578-9aab-a57e09e3d11e/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:07:01,500 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25de1af3-db03-4578-9aab-a57e09e3d11e/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:07:01,502 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25de1af3-db03-4578-9aab-a57e09e3d11e/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2024-11-28 02:07:01,502 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 02:07:01,513 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:07:01,513 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:07:01,513 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 02:07:01,513 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 02:07:01,515 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 02:07:01,515 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 02:07:01,518 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 02:07:01,523 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25de1af3-db03-4578-9aab-a57e09e3d11e/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Ended with exit code 0 [2024-11-28 02:07:01,524 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:07:01,524 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25de1af3-db03-4578-9aab-a57e09e3d11e/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:07:01,525 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25de1af3-db03-4578-9aab-a57e09e3d11e/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:07:01,527 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25de1af3-db03-4578-9aab-a57e09e3d11e/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2024-11-28 02:07:01,528 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 02:07:01,539 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:07:01,539 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:07:01,539 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 02:07:01,539 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 02:07:01,547 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 02:07:01,547 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 02:07:01,561 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-28 02:07:01,597 INFO L443 ModelExtractionUtils]: Simplification made 16 calls to the SMT solver. [2024-11-28 02:07:01,597 INFO L444 ModelExtractionUtils]: 6 out of 19 variables were initially zero. Simplification set additionally 8 variables to zero. [2024-11-28 02:07:01,597 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:07:01,597 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25de1af3-db03-4578-9aab-a57e09e3d11e/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:07:01,599 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25de1af3-db03-4578-9aab-a57e09e3d11e/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:07:01,602 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25de1af3-db03-4578-9aab-a57e09e3d11e/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2024-11-28 02:07:01,603 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-28 02:07:01,619 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2024-11-28 02:07:01,619 INFO L474 LassoAnalysis]: Proved termination. [2024-11-28 02:07:01,619 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_bubbleSort_~numbers#1.base)_2, ULTIMATE.start_bubbleSort_~j~0#1) = 1*v_rep(select #length ULTIMATE.start_bubbleSort_~numbers#1.base)_2 - 2*ULTIMATE.start_bubbleSort_~j~0#1 Supporting invariants [-1*ULTIMATE.start_bubbleSort_~i~0#1 + 1 >= 0] [2024-11-28 02:07:01,628 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25de1af3-db03-4578-9aab-a57e09e3d11e/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Ended with exit code 0 [2024-11-28 02:07:01,646 INFO L156 tatePredicateManager]: 4 out of 5 supporting invariants were superfluous and have been removed [2024-11-28 02:07:01,651 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-28 02:07:01,652 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-28 02:07:01,677 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:07:01,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:07:01,714 INFO L256 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-28 02:07:01,715 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:07:01,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:07:01,845 INFO L256 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-28 02:07:01,845 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:07:01,913 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:07:01,913 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.6 stem predicates 3 loop predicates [2024-11-28 02:07:01,913 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 36 states and 45 transitions. cyclomatic complexity: 11 Second operand has 9 states, 9 states have (on average 2.4444444444444446) internal successors, (22), 9 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:07:01,939 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 36 states and 45 transitions. cyclomatic complexity: 11. Second operand has 9 states, 9 states have (on average 2.4444444444444446) internal successors, (22), 9 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 38 states and 47 transitions. Complement of second has 3 states. [2024-11-28 02:07:01,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 2 states 1 stem states 0 non-accepting loop states 1 accepting loop states [2024-11-28 02:07:01,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 9 states have (on average 2.4444444444444446) internal successors, (22), 9 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:07:01,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 7 transitions. [2024-11-28 02:07:01,942 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 7 transitions. Stem has 18 letters. Loop has 4 letters. [2024-11-28 02:07:01,942 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 02:07:01,942 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-11-28 02:07:01,966 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:07:01,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:07:01,990 INFO L256 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-28 02:07:01,991 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:07:02,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:07:02,129 INFO L256 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-28 02:07:02,130 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:07:02,169 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25de1af3-db03-4578-9aab-a57e09e3d11e/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Ended with exit code 0 [2024-11-28 02:07:02,212 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:07:02,213 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.6 stem predicates 3 loop predicates [2024-11-28 02:07:02,213 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 36 states and 45 transitions. cyclomatic complexity: 11 Second operand has 9 states, 9 states have (on average 2.4444444444444446) internal successors, (22), 9 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:07:02,235 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 36 states and 45 transitions. cyclomatic complexity: 11. Second operand has 9 states, 9 states have (on average 2.4444444444444446) internal successors, (22), 9 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 38 states and 47 transitions. Complement of second has 3 states. [2024-11-28 02:07:02,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 2 states 1 stem states 0 non-accepting loop states 1 accepting loop states [2024-11-28 02:07:02,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 9 states have (on average 2.4444444444444446) internal successors, (22), 9 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:07:02,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 7 transitions. [2024-11-28 02:07:02,240 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 7 transitions. Stem has 18 letters. Loop has 4 letters. [2024-11-28 02:07:02,241 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 02:07:02,241 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-11-28 02:07:02,266 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:07:02,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:07:02,292 INFO L256 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-28 02:07:02,292 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:07:02,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:07:02,414 INFO L256 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-28 02:07:02,417 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:07:02,481 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:07:02,482 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.6 stem predicates 3 loop predicates [2024-11-28 02:07:02,482 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 36 states and 45 transitions. cyclomatic complexity: 11 Second operand has 9 states, 9 states have (on average 2.4444444444444446) internal successors, (22), 9 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:07:02,711 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 36 states and 45 transitions. cyclomatic complexity: 11. Second operand has 9 states, 9 states have (on average 2.4444444444444446) internal successors, (22), 9 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 110 states and 143 transitions. Complement of second has 13 states. [2024-11-28 02:07:02,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 12 states 8 stem states 2 non-accepting loop states 2 accepting loop states [2024-11-28 02:07:02,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 9 states have (on average 2.4444444444444446) internal successors, (22), 9 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:07:02,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 48 transitions. [2024-11-28 02:07:02,715 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 12 states and 48 transitions. Stem has 18 letters. Loop has 4 letters. [2024-11-28 02:07:02,716 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 02:07:02,716 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 12 states and 48 transitions. Stem has 22 letters. Loop has 4 letters. [2024-11-28 02:07:02,716 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 02:07:02,716 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 12 states and 48 transitions. Stem has 18 letters. Loop has 8 letters. [2024-11-28 02:07:02,717 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 02:07:02,717 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 110 states and 143 transitions. [2024-11-28 02:07:02,719 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2024-11-28 02:07:02,720 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 110 states to 60 states and 75 transitions. [2024-11-28 02:07:02,720 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 24 [2024-11-28 02:07:02,724 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 26 [2024-11-28 02:07:02,724 INFO L73 IsDeterministic]: Start isDeterministic. Operand 60 states and 75 transitions. [2024-11-28 02:07:02,725 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-28 02:07:02,725 INFO L218 hiAutomatonCegarLoop]: Abstraction has 60 states and 75 transitions. [2024-11-28 02:07:02,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states and 75 transitions. [2024-11-28 02:07:02,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 42. [2024-11-28 02:07:02,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 42 states have (on average 1.2380952380952381) internal successors, (52), 41 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:07:02,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 52 transitions. [2024-11-28 02:07:02,728 INFO L240 hiAutomatonCegarLoop]: Abstraction has 42 states and 52 transitions. [2024-11-28 02:07:02,728 INFO L425 stractBuchiCegarLoop]: Abstraction has 42 states and 52 transitions. [2024-11-28 02:07:02,728 INFO L332 stractBuchiCegarLoop]: ======== Iteration 8 ============ [2024-11-28 02:07:02,728 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 42 states and 52 transitions. [2024-11-28 02:07:02,730 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2024-11-28 02:07:02,730 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-28 02:07:02,730 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-28 02:07:02,730 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:07:02,730 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-11-28 02:07:02,731 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~malloc9#1.base, main_#t~malloc9#1.offset, 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;" "assume !(main_~array_size~0#1 < 1);" "call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1 % 18446744073709551616);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;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~mem2#1, bubbleSort_#t~mem3#1, bubbleSort_#t~mem4#1, bubbleSort_#t~mem5#1, bubbleSort_#t~post6#1, bubbleSort_#t~post7#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;" "assume bubbleSort_~i~0#1 >= 0;" "bubbleSort_~j~0#1 := 1;" "assume bubbleSort_~j~0#1 <= bubbleSort_~i~0#1;" "call bubbleSort_#t~mem2#1 := read~int#0(bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * (bubbleSort_~j~0#1 - 1), 4);call bubbleSort_#t~mem3#1 := read~int#0(bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * bubbleSort_~j~0#1, 4);" "assume !(bubbleSort_#t~mem2#1 > bubbleSort_#t~mem3#1);havoc bubbleSort_#t~mem2#1;havoc bubbleSort_#t~mem3#1;" "bubbleSort_#t~post6#1 := bubbleSort_~j~0#1;bubbleSort_~j~0#1 := 1 + bubbleSort_#t~post6#1;havoc bubbleSort_#t~post6#1;" "assume bubbleSort_~j~0#1 <= bubbleSort_~i~0#1;" "call bubbleSort_#t~mem2#1 := read~int#0(bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * (bubbleSort_~j~0#1 - 1), 4);call bubbleSort_#t~mem3#1 := read~int#0(bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * bubbleSort_~j~0#1, 4);" "assume bubbleSort_#t~mem2#1 > bubbleSort_#t~mem3#1;havoc bubbleSort_#t~mem2#1;havoc bubbleSort_#t~mem3#1;call bubbleSort_#t~mem4#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~mem4#1;havoc bubbleSort_#t~mem4#1;call bubbleSort_#t~mem5#1 := read~int#0(bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * bubbleSort_~j~0#1, 4);call write~int#0(bubbleSort_#t~mem5#1, bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * (bubbleSort_~j~0#1 - 1), 4);havoc bubbleSort_#t~mem5#1;call write~int#0(bubbleSort_~temp~0#1, bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * bubbleSort_~j~0#1, 4);" "bubbleSort_#t~post6#1 := bubbleSort_~j~0#1;bubbleSort_~j~0#1 := 1 + bubbleSort_#t~post6#1;havoc bubbleSort_#t~post6#1;" "assume bubbleSort_~j~0#1 <= bubbleSort_~i~0#1;" "call bubbleSort_#t~mem2#1 := read~int#0(bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * (bubbleSort_~j~0#1 - 1), 4);call bubbleSort_#t~mem3#1 := read~int#0(bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * bubbleSort_~j~0#1, 4);" "assume !(bubbleSort_#t~mem2#1 > bubbleSort_#t~mem3#1);havoc bubbleSort_#t~mem2#1;havoc bubbleSort_#t~mem3#1;" "bubbleSort_#t~post6#1 := bubbleSort_~j~0#1;bubbleSort_~j~0#1 := 1 + bubbleSort_#t~post6#1;havoc bubbleSort_#t~post6#1;" "assume !(bubbleSort_~j~0#1 <= bubbleSort_~i~0#1);" "bubbleSort_#t~post7#1 := bubbleSort_~i~0#1;bubbleSort_~i~0#1 := bubbleSort_#t~post7#1 - 1;havoc bubbleSort_#t~post7#1;" "assume bubbleSort_~i~0#1 >= 0;" "bubbleSort_~j~0#1 := 1;" [2024-11-28 02:07:02,731 INFO L749 eck$LassoCheckResult]: Loop: "assume bubbleSort_~j~0#1 <= bubbleSort_~i~0#1;" "call bubbleSort_#t~mem2#1 := read~int#0(bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * (bubbleSort_~j~0#1 - 1), 4);call bubbleSort_#t~mem3#1 := read~int#0(bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * bubbleSort_~j~0#1, 4);" "assume bubbleSort_#t~mem2#1 > bubbleSort_#t~mem3#1;havoc bubbleSort_#t~mem2#1;havoc bubbleSort_#t~mem3#1;call bubbleSort_#t~mem4#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~mem4#1;havoc bubbleSort_#t~mem4#1;call bubbleSort_#t~mem5#1 := read~int#0(bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * bubbleSort_~j~0#1, 4);call write~int#0(bubbleSort_#t~mem5#1, bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * (bubbleSort_~j~0#1 - 1), 4);havoc bubbleSort_#t~mem5#1;call write~int#0(bubbleSort_~temp~0#1, bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * bubbleSort_~j~0#1, 4);" "bubbleSort_#t~post6#1 := bubbleSort_~j~0#1;bubbleSort_~j~0#1 := 1 + bubbleSort_#t~post6#1;havoc bubbleSort_#t~post6#1;" [2024-11-28 02:07:02,731 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:07:02,731 INFO L85 PathProgramCache]: Analyzing trace with hash -1809899634, now seen corresponding path program 5 times [2024-11-28 02:07:02,731 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 02:07:02,731 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1330765742] [2024-11-28 02:07:02,732 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:07:02,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:07:02,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:07:02,747 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 02:07:02,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:07:02,762 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 02:07:02,762 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:07:02,763 INFO L85 PathProgramCache]: Analyzing trace with hash 1697193, now seen corresponding path program 6 times [2024-11-28 02:07:02,763 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 02:07:02,763 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [403687467] [2024-11-28 02:07:02,763 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:07:02,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:07:02,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:07:02,768 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 02:07:02,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:07:02,771 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 02:07:02,771 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:07:02,771 INFO L85 PathProgramCache]: Analyzing trace with hash 693401270, now seen corresponding path program 6 times [2024-11-28 02:07:02,772 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 02:07:02,772 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1187961073] [2024-11-28 02:07:02,772 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:07:02,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:07:02,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:07:02,788 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 02:07:02,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:07:02,801 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 02:07:03,463 INFO L204 LassoAnalysis]: Preferences: [2024-11-28 02:07:03,463 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-28 02:07:03,463 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-28 02:07:03,463 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-28 02:07:03,463 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-28 02:07:03,463 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:07:03,463 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-28 02:07:03,464 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-28 02:07:03,464 INFO L132 ssoRankerPreferences]: Filename of dumped script: bubblesort-alloca-1.i_Iteration8_Lasso [2024-11-28 02:07:03,464 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-28 02:07:03,464 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-28 02:07:03,466 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:07:03,469 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:07:03,471 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:07:03,473 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:07:03,475 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:07:03,478 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:07:03,784 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:07:03,787 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:07:03,789 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:07:03,792 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:07:03,794 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:07:03,796 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:07:03,799 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:07:03,801 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:07:03,803 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:07:03,805 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:07:03,807 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 02:07:04,090 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-28 02:07:04,090 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-28 02:07:04,090 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:07:04,090 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25de1af3-db03-4578-9aab-a57e09e3d11e/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:07:04,097 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25de1af3-db03-4578-9aab-a57e09e3d11e/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:07:04,099 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25de1af3-db03-4578-9aab-a57e09e3d11e/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2024-11-28 02:07:04,100 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 02:07:04,114 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:07:04,114 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 02:07:04,114 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:07:04,114 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 02:07:04,114 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 02:07:04,115 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 02:07:04,115 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 02:07:04,118 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 02:07:04,127 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25de1af3-db03-4578-9aab-a57e09e3d11e/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2024-11-28 02:07:04,127 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:07:04,128 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25de1af3-db03-4578-9aab-a57e09e3d11e/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:07:04,130 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25de1af3-db03-4578-9aab-a57e09e3d11e/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:07:04,131 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25de1af3-db03-4578-9aab-a57e09e3d11e/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2024-11-28 02:07:04,133 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 02:07:04,146 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:07:04,146 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 02:07:04,146 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:07:04,146 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 02:07:04,146 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 02:07:04,147 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 02:07:04,147 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 02:07:04,149 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 02:07:04,156 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25de1af3-db03-4578-9aab-a57e09e3d11e/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2024-11-28 02:07:04,156 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:07:04,156 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25de1af3-db03-4578-9aab-a57e09e3d11e/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:07:04,158 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25de1af3-db03-4578-9aab-a57e09e3d11e/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:07:04,160 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25de1af3-db03-4578-9aab-a57e09e3d11e/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2024-11-28 02:07:04,160 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 02:07:04,171 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:07:04,171 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 02:07:04,171 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:07:04,171 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 02:07:04,171 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 02:07:04,172 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 02:07:04,172 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 02:07:04,173 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 02:07:04,178 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25de1af3-db03-4578-9aab-a57e09e3d11e/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Ended with exit code 0 [2024-11-28 02:07:04,179 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:07:04,179 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25de1af3-db03-4578-9aab-a57e09e3d11e/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:07:04,180 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25de1af3-db03-4578-9aab-a57e09e3d11e/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:07:04,182 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25de1af3-db03-4578-9aab-a57e09e3d11e/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2024-11-28 02:07:04,183 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 02:07:04,193 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:07:04,193 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 02:07:04,194 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:07:04,194 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 02:07:04,194 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 02:07:04,194 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 02:07:04,194 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 02:07:04,195 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 02:07:04,201 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25de1af3-db03-4578-9aab-a57e09e3d11e/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2024-11-28 02:07:04,201 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:07:04,202 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25de1af3-db03-4578-9aab-a57e09e3d11e/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:07:04,203 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25de1af3-db03-4578-9aab-a57e09e3d11e/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:07:04,205 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25de1af3-db03-4578-9aab-a57e09e3d11e/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2024-11-28 02:07:04,205 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 02:07:04,216 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:07:04,216 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:07:04,216 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 02:07:04,216 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 02:07:04,218 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 02:07:04,218 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 02:07:04,222 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 02:07:04,231 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25de1af3-db03-4578-9aab-a57e09e3d11e/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0 [2024-11-28 02:07:04,233 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:07:04,234 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25de1af3-db03-4578-9aab-a57e09e3d11e/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:07:04,236 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25de1af3-db03-4578-9aab-a57e09e3d11e/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:07:04,241 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25de1af3-db03-4578-9aab-a57e09e3d11e/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2024-11-28 02:07:04,241 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 02:07:04,253 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:07:04,253 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:07:04,253 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 02:07:04,254 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 02:07:04,255 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 02:07:04,255 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 02:07:04,259 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 02:07:04,265 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25de1af3-db03-4578-9aab-a57e09e3d11e/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2024-11-28 02:07:04,265 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:07:04,265 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25de1af3-db03-4578-9aab-a57e09e3d11e/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:07:04,267 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25de1af3-db03-4578-9aab-a57e09e3d11e/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:07:04,269 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25de1af3-db03-4578-9aab-a57e09e3d11e/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2024-11-28 02:07:04,269 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 02:07:04,280 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:07:04,280 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:07:04,281 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 02:07:04,281 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 02:07:04,283 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 02:07:04,283 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 02:07:04,289 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 02:07:04,300 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25de1af3-db03-4578-9aab-a57e09e3d11e/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Ended with exit code 0 [2024-11-28 02:07:04,302 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:07:04,302 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25de1af3-db03-4578-9aab-a57e09e3d11e/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:07:04,303 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25de1af3-db03-4578-9aab-a57e09e3d11e/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:07:04,304 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25de1af3-db03-4578-9aab-a57e09e3d11e/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2024-11-28 02:07:04,306 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 02:07:04,317 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:07:04,317 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:07:04,317 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 02:07:04,317 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 02:07:04,319 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 02:07:04,319 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 02:07:04,324 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 02:07:04,332 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25de1af3-db03-4578-9aab-a57e09e3d11e/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Ended with exit code 0 [2024-11-28 02:07:04,333 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:07:04,333 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25de1af3-db03-4578-9aab-a57e09e3d11e/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:07:04,334 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25de1af3-db03-4578-9aab-a57e09e3d11e/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:07:04,338 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25de1af3-db03-4578-9aab-a57e09e3d11e/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2024-11-28 02:07:04,339 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 02:07:04,353 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:07:04,353 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:07:04,353 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 02:07:04,353 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 02:07:04,357 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 02:07:04,357 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 02:07:04,367 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 02:07:04,374 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25de1af3-db03-4578-9aab-a57e09e3d11e/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Ended with exit code 0 [2024-11-28 02:07:04,374 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:07:04,375 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25de1af3-db03-4578-9aab-a57e09e3d11e/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:07:04,376 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25de1af3-db03-4578-9aab-a57e09e3d11e/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:07:04,378 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25de1af3-db03-4578-9aab-a57e09e3d11e/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2024-11-28 02:07:04,379 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 02:07:04,389 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:07:04,390 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:07:04,390 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 02:07:04,390 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 02:07:04,392 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 02:07:04,392 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 02:07:04,396 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 02:07:04,404 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25de1af3-db03-4578-9aab-a57e09e3d11e/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Ended with exit code 0 [2024-11-28 02:07:04,405 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:07:04,405 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25de1af3-db03-4578-9aab-a57e09e3d11e/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:07:04,406 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25de1af3-db03-4578-9aab-a57e09e3d11e/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:07:04,409 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 02:07:04,409 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25de1af3-db03-4578-9aab-a57e09e3d11e/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2024-11-28 02:07:04,420 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 02:07:04,420 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 02:07:04,420 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 02:07:04,420 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 02:07:04,426 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 02:07:04,426 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 02:07:04,440 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-28 02:07:04,460 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2024-11-28 02:07:04,461 INFO L444 ModelExtractionUtils]: 1 out of 19 variables were initially zero. Simplification set additionally 14 variables to zero. [2024-11-28 02:07:04,461 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 02:07:04,461 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25de1af3-db03-4578-9aab-a57e09e3d11e/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:07:04,463 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25de1af3-db03-4578-9aab-a57e09e3d11e/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 02:07:04,467 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-28 02:07:04,467 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25de1af3-db03-4578-9aab-a57e09e3d11e/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2024-11-28 02:07:04,485 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-11-28 02:07:04,485 INFO L474 LassoAnalysis]: Proved termination. [2024-11-28 02:07:04,486 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_bubbleSort_~i~0#1, ULTIMATE.start_bubbleSort_~j~0#1) = 2*ULTIMATE.start_bubbleSort_~i~0#1 - 2*ULTIMATE.start_bubbleSort_~j~0#1 + 1 Supporting invariants [] [2024-11-28 02:07:04,495 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25de1af3-db03-4578-9aab-a57e09e3d11e/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2024-11-28 02:07:04,510 INFO L156 tatePredicateManager]: 5 out of 5 supporting invariants were superfluous and have been removed [2024-11-28 02:07:04,526 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:07:04,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:07:04,554 INFO L256 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-28 02:07:04,554 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:07:04,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:07:04,594 INFO L256 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-28 02:07:04,594 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:07:04,623 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:07:04,624 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2024-11-28 02:07:04,624 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 42 states and 52 transitions. cyclomatic complexity: 12 Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 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) [2024-11-28 02:07:04,652 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 42 states and 52 transitions. cyclomatic complexity: 12. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 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) Result 75 states and 96 transitions. Complement of second has 5 states. [2024-11-28 02:07:04,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2024-11-28 02:07:04,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 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) [2024-11-28 02:07:04,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 12 transitions. [2024-11-28 02:07:04,655 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 12 transitions. Stem has 22 letters. Loop has 4 letters. [2024-11-28 02:07:04,656 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 02:07:04,656 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-11-28 02:07:04,669 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:07:04,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:07:04,696 INFO L256 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-28 02:07:04,696 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:07:04,724 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25de1af3-db03-4578-9aab-a57e09e3d11e/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2024-11-28 02:07:04,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:07:04,760 INFO L256 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-28 02:07:04,760 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:07:04,784 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:07:04,785 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 2 loop predicates [2024-11-28 02:07:04,785 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 42 states and 52 transitions. cyclomatic complexity: 12 Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 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) [2024-11-28 02:07:04,806 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 42 states and 52 transitions. cyclomatic complexity: 12. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 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) Result 75 states and 96 transitions. Complement of second has 5 states. [2024-11-28 02:07:04,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2024-11-28 02:07:04,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 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) [2024-11-28 02:07:04,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 12 transitions. [2024-11-28 02:07:04,807 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 12 transitions. Stem has 22 letters. Loop has 4 letters. [2024-11-28 02:07:04,807 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 02:07:04,807 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-11-28 02:07:04,823 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:07:04,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:07:04,849 INFO L256 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-28 02:07:04,850 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:07:04,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:07:04,890 INFO L256 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-28 02:07:04,891 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:07:04,914 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:07:04,915 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2024-11-28 02:07:04,915 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 42 states and 52 transitions. cyclomatic complexity: 12 Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 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) [2024-11-28 02:07:04,937 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 42 states and 52 transitions. cyclomatic complexity: 12. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 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) Result 63 states and 82 transitions. Complement of second has 4 states. [2024-11-28 02:07:04,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2024-11-28 02:07:04,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 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) [2024-11-28 02:07:04,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 20 transitions. [2024-11-28 02:07:04,938 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 20 transitions. Stem has 22 letters. Loop has 4 letters. [2024-11-28 02:07:04,939 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 02:07:04,939 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 20 transitions. Stem has 26 letters. Loop has 4 letters. [2024-11-28 02:07:04,939 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 02:07:04,939 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 20 transitions. Stem has 22 letters. Loop has 8 letters. [2024-11-28 02:07:04,939 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 02:07:04,939 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 63 states and 82 transitions. [2024-11-28 02:07:04,940 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-28 02:07:04,940 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 63 states to 0 states and 0 transitions. [2024-11-28 02:07:04,940 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-11-28 02:07:04,941 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-11-28 02:07:04,941 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-11-28 02:07:04,941 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-28 02:07:04,941 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-28 02:07:04,941 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-28 02:07:04,941 INFO L425 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-28 02:07:04,941 INFO L332 stractBuchiCegarLoop]: ======== Iteration 9 ============ [2024-11-28 02:07:04,941 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2024-11-28 02:07:04,941 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-28 02:07:04,941 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2024-11-28 02:07:04,949 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 02:07:04 BoogieIcfgContainer [2024-11-28 02:07:04,949 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-28 02:07:04,950 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 02:07:04,950 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 02:07:04,950 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 02:07:04,950 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:06:54" (3/4) ... [2024-11-28 02:07:04,953 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-28 02:07:04,954 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 02:07:04,955 INFO L158 Benchmark]: Toolchain (without parser) took 11262.15ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 92.3MB in the beginning and 297.7MB in the end (delta: -205.4MB). Peak memory consumption was 29.7MB. Max. memory is 16.1GB. [2024-11-28 02:07:04,955 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 167.8MB. Free memory is still 102.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 02:07:04,955 INFO L158 Benchmark]: CACSL2BoogieTranslator took 412.44ms. Allocated memory is still 117.4MB. Free memory was 91.9MB in the beginning and 76.0MB in the end (delta: 16.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-28 02:07:04,955 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.06ms. Allocated memory is still 117.4MB. Free memory was 76.0MB in the beginning and 74.5MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 02:07:04,955 INFO L158 Benchmark]: Boogie Preprocessor took 52.02ms. Allocated memory is still 117.4MB. Free memory was 74.5MB in the beginning and 73.1MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 02:07:04,956 INFO L158 Benchmark]: RCFGBuilder took 330.50ms. Allocated memory is still 117.4MB. Free memory was 73.1MB in the beginning and 61.8MB in the end (delta: 11.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-28 02:07:04,956 INFO L158 Benchmark]: BuchiAutomizer took 10419.14ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 61.4MB in the beginning and 297.8MB in the end (delta: -236.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 02:07:04,956 INFO L158 Benchmark]: Witness Printer took 4.48ms. Allocated memory is still 352.3MB. Free memory was 297.8MB in the beginning and 297.7MB in the end (delta: 72.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 02:07:04,960 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 167.8MB. Free memory is still 102.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 412.44ms. Allocated memory is still 117.4MB. Free memory was 91.9MB in the beginning and 76.0MB in the end (delta: 16.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.06ms. Allocated memory is still 117.4MB. Free memory was 76.0MB in the beginning and 74.5MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 52.02ms. Allocated memory is still 117.4MB. Free memory was 74.5MB in the beginning and 73.1MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 330.50ms. Allocated memory is still 117.4MB. Free memory was 73.1MB in the beginning and 61.8MB in the end (delta: 11.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * BuchiAutomizer took 10419.14ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 61.4MB in the beginning and 297.8MB in the end (delta: -236.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.48ms. Allocated memory is still 352.3MB. Free memory was 297.8MB in the beginning and 297.7MB in the end (delta: 72.0kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #length - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 8 terminating modules (4 trivial, 2 deterministic, 2 nondeterministic). One deterministic module has affine ranking function (((long) 2 * i) + 1) and consists of 3 locations. One deterministic module has affine ranking function ((((long) 2 * i) + ((long) -2 * j)) + 1) and consists of 3 locations. One nondeterministic module has affine ranking function null and consists of 12 locations. One nondeterministic module has affine ranking function ((((long) 2 * i) + ((long) -2 * j)) + 1) and consists of 3 locations. 4 modules have a trivial ranking function, the largest among these consists of 17 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 10.3s and 9 iterations. TraceHistogramMax:3. Analysis of lassos took 8.1s. Construction of modules took 0.3s. Büchi inclusion checks took 1.8s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 6. Automata minimization 0.0s AutomataMinimizationTime, 7 MinimizatonAttempts, 56 StatesRemovedByMinimization, 5 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [2, 0, 2, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 204 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 199 mSDsluCounter, 290 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 168 mSDsCounter, 30 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 303 IncrementalHoareTripleChecker+Invalid, 333 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 30 mSolverCounterUnsat, 122 mSDtfsCounter, 303 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT1 conc2 concLT0 SILN0 SILU1 SILI0 SILT0 lasso3 LassoPreprocessingBenchmarks: Lassos: inital116 mio100 ax177 hnf100 lsp68 ukn74 mio100 lsp72 div137 bol100 ite100 ukn100 eq170 hnf92 smp81 dnf100 smp100 tf104 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 143ms VariablesStem: 7 VariablesLoop: 6 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2024-11-28 02:07:04,981 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25de1af3-db03-4578-9aab-a57e09e3d11e/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-11-28 02:07:05,178 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25de1af3-db03-4578-9aab-a57e09e3d11e/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-11-28 02:07:05,378 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25de1af3-db03-4578-9aab-a57e09e3d11e/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-11-28 02:07:05,578 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25de1af3-db03-4578-9aab-a57e09e3d11e/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-28 02:07:05,778 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25de1af3-db03-4578-9aab-a57e09e3d11e/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE