./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/array-memsafety/java_BubbleSort-alloca-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63118670-7e8c-47bb-b8fd-92aa64c73361/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63118670-7e8c-47bb-b8fd-92aa64c73361/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63118670-7e8c-47bb-b8fd-92aa64c73361/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63118670-7e8c-47bb-b8fd-92aa64c73361/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/array-memsafety/java_BubbleSort-alloca-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63118670-7e8c-47bb-b8fd-92aa64c73361/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63118670-7e8c-47bb-b8fd-92aa64c73361/bin/uautomizer-verify-uCwYo4JHxu --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ba885d2ca843c278430bc3d4272c307ea7df8f1fbcd0da84e81382a8c1939a93 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:54:59,133 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:54:59,248 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63118670-7e8c-47bb-b8fd-92aa64c73361/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Termination-32bit-Automizer_Default.epf [2023-11-19 07:54:59,256 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:54:59,257 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:54:59,297 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:54:59,298 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:54:59,298 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:54:59,300 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:54:59,305 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:54:59,306 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:54:59,306 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-19 07:54:59,307 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-19 07:54:59,309 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-19 07:54:59,309 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-19 07:54:59,310 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-19 07:54:59,310 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-19 07:54:59,311 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:54:59,311 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-19 07:54:59,312 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 07:54:59,312 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 07:54:59,313 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 07:54:59,313 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:54:59,314 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-19 07:54:59,314 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-19 07:54:59,315 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-19 07:54:59,315 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 07:54:59,315 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 07:54:59,316 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:54:59,316 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-19 07:54:59,317 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:54:59,318 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:54:59,318 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:54:59,318 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:54:59,319 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 07:54:59,319 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-19 07:54:59,319 INFO L153 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63118670-7e8c-47bb-b8fd-92aa64c73361/bin/uautomizer-verify-uCwYo4JHxu/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63118670-7e8c-47bb-b8fd-92aa64c73361/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ba885d2ca843c278430bc3d4272c307ea7df8f1fbcd0da84e81382a8c1939a93 [2023-11-19 07:54:59,635 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:54:59,665 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:54:59,668 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:54:59,670 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:54:59,670 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:54:59,672 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63118670-7e8c-47bb-b8fd-92aa64c73361/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/array-memsafety/java_BubbleSort-alloca-1.i [2023-11-19 07:55:02,875 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:55:03,196 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:55:03,196 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63118670-7e8c-47bb-b8fd-92aa64c73361/sv-benchmarks/c/array-memsafety/java_BubbleSort-alloca-1.i [2023-11-19 07:55:03,211 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63118670-7e8c-47bb-b8fd-92aa64c73361/bin/uautomizer-verify-uCwYo4JHxu/data/17b878e71/5266b281b2704912a649eabacbe652d2/FLAGc70887d7e [2023-11-19 07:55:03,227 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63118670-7e8c-47bb-b8fd-92aa64c73361/bin/uautomizer-verify-uCwYo4JHxu/data/17b878e71/5266b281b2704912a649eabacbe652d2 [2023-11-19 07:55:03,230 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:55:03,232 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:55:03,233 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:55:03,234 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:55:03,240 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:55:03,241 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:55:03" (1/1) ... [2023-11-19 07:55:03,242 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e35fbb4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:55:03, skipping insertion in model container [2023-11-19 07:55:03,242 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:55:03" (1/1) ... [2023-11-19 07:55:03,310 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:55:03,628 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:55:03,641 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:55:03,681 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:55:03,714 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:55:03,715 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:55:03 WrapperNode [2023-11-19 07:55:03,715 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:55:03,716 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:55:03,716 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:55:03,716 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:55:03,724 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:55:03" (1/1) ... [2023-11-19 07:55:03,738 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:55:03" (1/1) ... [2023-11-19 07:55:03,762 INFO L138 Inliner]: procedures = 116, calls = 13, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 65 [2023-11-19 07:55:03,762 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:55:03,763 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:55:03,763 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:55:03,763 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:55:03,772 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:55:03" (1/1) ... [2023-11-19 07:55:03,773 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:55:03" (1/1) ... [2023-11-19 07:55:03,776 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:55:03" (1/1) ... [2023-11-19 07:55:03,776 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:55:03" (1/1) ... [2023-11-19 07:55:03,782 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:55:03" (1/1) ... [2023-11-19 07:55:03,786 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:55:03" (1/1) ... [2023-11-19 07:55:03,788 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:55:03" (1/1) ... [2023-11-19 07:55:03,789 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:55:03" (1/1) ... [2023-11-19 07:55:03,791 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:55:03,792 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:55:03,793 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:55:03,793 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:55:03,794 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:55:03" (1/1) ... [2023-11-19 07:55:03,800 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:55:03,816 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63118670-7e8c-47bb-b8fd-92aa64c73361/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:55:03,830 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63118670-7e8c-47bb-b8fd-92aa64c73361/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:55:03,867 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63118670-7e8c-47bb-b8fd-92aa64c73361/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-19 07:55:03,896 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 07:55:03,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 07:55:03,897 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 07:55:03,897 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 07:55:03,897 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:55:03,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:55:04,018 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:55:04,020 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:55:04,182 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:55:04,190 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:55:04,190 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-19 07:55:04,194 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:55:04 BoogieIcfgContainer [2023-11-19 07:55:04,194 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:55:04,195 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-11-19 07:55:04,195 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-11-19 07:55:04,200 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-11-19 07:55:04,201 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-19 07:55:04,201 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 19.11 07:55:03" (1/3) ... [2023-11-19 07:55:04,202 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@71891e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 07:55:04, skipping insertion in model container [2023-11-19 07:55:04,202 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-19 07:55:04,202 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:55:03" (2/3) ... [2023-11-19 07:55:04,203 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@71891e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 07:55:04, skipping insertion in model container [2023-11-19 07:55:04,203 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-19 07:55:04,203 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:55:04" (3/3) ... [2023-11-19 07:55:04,205 INFO L332 chiAutomizerObserver]: Analyzing ICFG java_BubbleSort-alloca-1.i [2023-11-19 07:55:04,260 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-11-19 07:55:04,261 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-11-19 07:55:04,261 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-11-19 07:55:04,261 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-11-19 07:55:04,261 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-11-19 07:55:04,261 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-11-19 07:55:04,262 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-11-19 07:55:04,262 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-11-19 07:55:04,267 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 16 states, 15 states have (on average 1.5333333333333334) internal successors, (23), 15 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:55:04,285 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2023-11-19 07:55:04,285 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 07:55:04,285 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 07:55:04,290 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2023-11-19 07:55:04,291 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-19 07:55:04,291 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-11-19 07:55:04,291 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 16 states, 15 states have (on average 1.5333333333333334) internal successors, (23), 15 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:55:04,293 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2023-11-19 07:55:04,294 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 07:55:04,294 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 07:55:04,294 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2023-11-19 07:55:04,294 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-19 07:55:04,301 INFO L748 eck$LassoCheckResult]: Stem: 13#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 9#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~malloc9#1.base, main_#t~malloc9#1.offset, main_#t~nondet11#1, main_#t~post10#1, main_~i~1#1, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;havoc main_#t~nondet8#1;main_~array_size~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1; 10#L523true assume !(main_~array_size~0#1 < 1 || main_~array_size~0#1 % 4294967296 >= 536870911); 12#L523-2true call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1 % 4294967296);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;main_~i~1#1 := 0; 4#L528-3true [2023-11-19 07:55:04,301 INFO L750 eck$LassoCheckResult]: Loop: 4#L528-3true assume !!(main_~i~1#1 < main_~array_size~0#1);havoc main_#t~nondet11#1;call write~int(main_#t~nondet11#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet11#1; 8#L528-2true main_#t~post10#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 4#L528-3true [2023-11-19 07:55:04,308 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:55:04,308 INFO L85 PathProgramCache]: Analyzing trace with hash 925669, now seen corresponding path program 1 times [2023-11-19 07:55:04,318 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:55:04,319 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [845849912] [2023-11-19 07:55:04,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:55:04,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:55:04,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:55:04,442 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:55:04,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:55:04,476 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:55:04,479 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:55:04,480 INFO L85 PathProgramCache]: Analyzing trace with hash 1507, now seen corresponding path program 1 times [2023-11-19 07:55:04,480 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:55:04,480 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [300572048] [2023-11-19 07:55:04,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:55:04,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:55:04,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:55:04,494 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:55:04,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:55:04,504 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:55:04,515 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:55:04,515 INFO L85 PathProgramCache]: Analyzing trace with hash 889568455, now seen corresponding path program 1 times [2023-11-19 07:55:04,516 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:55:04,516 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1856048183] [2023-11-19 07:55:04,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:55:04,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:55:04,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:55:04,569 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:55:04,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:55:04,607 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:55:05,000 INFO L210 LassoAnalysis]: Preferences: [2023-11-19 07:55:05,003 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-19 07:55:05,003 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-19 07:55:05,003 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-19 07:55:05,003 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-19 07:55:05,003 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:55:05,004 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-19 07:55:05,004 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-19 07:55:05,004 INFO L133 ssoRankerPreferences]: Filename of dumped script: java_BubbleSort-alloca-1.i_Iteration1_Lasso [2023-11-19 07:55:05,004 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-19 07:55:05,005 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-19 07:55:05,032 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:55:05,044 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:55:05,047 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:55:05,210 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:55:05,213 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:55:05,217 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:55:05,220 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:55:05,223 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:55:05,227 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:55:05,588 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-19 07:55:05,593 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-19 07:55:05,595 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:55:05,595 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63118670-7e8c-47bb-b8fd-92aa64c73361/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:55:05,612 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63118670-7e8c-47bb-b8fd-92aa64c73361/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:55:05,626 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:55:05,639 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:55:05,640 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:55:05,640 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:55:05,640 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:55:05,645 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63118670-7e8c-47bb-b8fd-92aa64c73361/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2023-11-19 07:55:05,647 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:55:05,648 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:55:05,661 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:55:05,676 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63118670-7e8c-47bb-b8fd-92aa64c73361/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2023-11-19 07:55:05,676 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:55:05,676 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63118670-7e8c-47bb-b8fd-92aa64c73361/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:55:05,678 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63118670-7e8c-47bb-b8fd-92aa64c73361/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:55:05,684 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:55:05,696 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:55:05,697 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:55:05,697 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:55:05,697 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:55:05,697 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:55:05,699 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:55:05,699 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:55:05,699 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63118670-7e8c-47bb-b8fd-92aa64c73361/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2023-11-19 07:55:05,719 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:55:05,742 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63118670-7e8c-47bb-b8fd-92aa64c73361/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2023-11-19 07:55:05,743 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:55:05,743 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63118670-7e8c-47bb-b8fd-92aa64c73361/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:55:05,745 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63118670-7e8c-47bb-b8fd-92aa64c73361/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:55:05,756 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:55:05,769 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:55:05,769 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:55:05,769 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:55:05,769 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:55:05,769 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:55:05,770 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:55:05,771 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:55:05,773 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63118670-7e8c-47bb-b8fd-92aa64c73361/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2023-11-19 07:55:05,773 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:55:05,799 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63118670-7e8c-47bb-b8fd-92aa64c73361/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2023-11-19 07:55:05,800 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:55:05,800 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63118670-7e8c-47bb-b8fd-92aa64c73361/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:55:05,802 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63118670-7e8c-47bb-b8fd-92aa64c73361/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:55:05,804 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63118670-7e8c-47bb-b8fd-92aa64c73361/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2023-11-19 07:55:05,807 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:55:05,818 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:55:05,820 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:55:05,820 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:55:05,820 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:55:05,834 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:55:05,834 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:55:05,855 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-19 07:55:05,913 INFO L443 ModelExtractionUtils]: Simplification made 15 calls to the SMT solver. [2023-11-19 07:55:05,913 INFO L444 ModelExtractionUtils]: 2 out of 19 variables were initially zero. Simplification set additionally 14 variables to zero. [2023-11-19 07:55:05,915 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:55:05,915 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63118670-7e8c-47bb-b8fd-92aa64c73361/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:55:05,947 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63118670-7e8c-47bb-b8fd-92aa64c73361/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:55:05,949 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63118670-7e8c-47bb-b8fd-92aa64c73361/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2023-11-19 07:55:05,950 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-19 07:55:05,965 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-11-19 07:55:05,965 INFO L513 LassoAnalysis]: Proved termination. [2023-11-19 07:55:05,966 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~array_size~0#1, ULTIMATE.start_main_~i~1#1) = 1*ULTIMATE.start_main_~array_size~0#1 - 1*ULTIMATE.start_main_~i~1#1 Supporting invariants [] [2023-11-19 07:55:05,979 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63118670-7e8c-47bb-b8fd-92aa64c73361/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2023-11-19 07:55:05,993 INFO L156 tatePredicateManager]: 3 out of 3 supporting invariants were superfluous and have been removed [2023-11-19 07:55:06,020 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:55:06,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:55:06,047 INFO L262 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 07:55:06,049 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:55:06,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:55:06,080 INFO L262 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 07:55:06,081 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:55:06,103 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:55:06,147 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2023-11-19 07:55:06,150 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 16 states, 15 states have (on average 1.5333333333333334) internal successors, (23), 15 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:55:06,206 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 16 states, 15 states have (on average 1.5333333333333334) internal successors, (23), 15 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 29 states and 44 transitions. Complement of second has 8 states. [2023-11-19 07:55:06,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2023-11-19 07:55:06,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:55:06,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 23 transitions. [2023-11-19 07:55:06,215 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 23 transitions. Stem has 4 letters. Loop has 2 letters. [2023-11-19 07:55:06,216 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 07:55:06,216 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 23 transitions. Stem has 6 letters. Loop has 2 letters. [2023-11-19 07:55:06,216 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 07:55:06,217 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 23 transitions. Stem has 4 letters. Loop has 4 letters. [2023-11-19 07:55:06,217 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 07:55:06,218 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 29 states and 44 transitions. [2023-11-19 07:55:06,221 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2023-11-19 07:55:06,224 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 29 states to 13 states and 19 transitions. [2023-11-19 07:55:06,225 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2023-11-19 07:55:06,226 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2023-11-19 07:55:06,227 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 19 transitions. [2023-11-19 07:55:06,227 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:55:06,227 INFO L218 hiAutomatonCegarLoop]: Abstraction has 13 states and 19 transitions. [2023-11-19 07:55:06,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states and 19 transitions. [2023-11-19 07:55:06,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2023-11-19 07:55:06,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 12 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:55:06,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 19 transitions. [2023-11-19 07:55:06,255 INFO L240 hiAutomatonCegarLoop]: Abstraction has 13 states and 19 transitions. [2023-11-19 07:55:06,256 INFO L428 stractBuchiCegarLoop]: Abstraction has 13 states and 19 transitions. [2023-11-19 07:55:06,256 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-11-19 07:55:06,256 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states and 19 transitions. [2023-11-19 07:55:06,257 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2023-11-19 07:55:06,257 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 07:55:06,257 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 07:55:06,258 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2023-11-19 07:55:06,258 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-19 07:55:06,258 INFO L748 eck$LassoCheckResult]: Stem: 112#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 113#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~malloc9#1.base, main_#t~malloc9#1.offset, main_#t~nondet11#1, main_#t~post10#1, main_~i~1#1, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;havoc main_#t~nondet8#1;main_~array_size~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1; 102#L523 assume !(main_~array_size~0#1 < 1 || main_~array_size~0#1 % 4294967296 >= 536870911); 103#L523-2 call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1 % 4294967296);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;main_~i~1#1 := 0; 106#L528-3 assume !(main_~i~1#1 < main_~array_size~0#1); 104#L528-4 havoc main_~i~1#1;assume { :begin_inline_sort } true;sort_#in~x#1.base, sort_#in~x#1.offset, sort_#in~n#1 := main_~numbers~0#1.base, main_~numbers~0#1.offset, main_~array_size~0#1;havoc sort_#t~mem4#1, sort_#t~mem5#1, sort_#t~mem6#1, sort_#t~mem7#1, sort_~temp~0#1, sort_#t~post3#1, sort_#t~post2#1, sort_~x#1.base, sort_~x#1.offset, sort_~n#1, sort_~pass~0#1, sort_~i~0#1;sort_~x#1.base, sort_~x#1.offset := sort_#in~x#1.base, sort_#in~x#1.offset;sort_~n#1 := sort_#in~n#1;havoc sort_~pass~0#1;havoc sort_~i~0#1;sort_~pass~0#1 := 1; 105#L515-3 [2023-11-19 07:55:06,258 INFO L750 eck$LassoCheckResult]: Loop: 105#L515-3 assume !!(sort_~pass~0#1 < sort_~n#1);sort_~i~0#1 := 0; 109#L516-3 assume !true; 110#L515-2 sort_#t~post2#1 := sort_~pass~0#1;sort_~pass~0#1 := 1 + sort_#t~post2#1;havoc sort_#t~post2#1; 105#L515-3 [2023-11-19 07:55:06,259 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:55:06,259 INFO L85 PathProgramCache]: Analyzing trace with hash 889568397, now seen corresponding path program 1 times [2023-11-19 07:55:06,259 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:55:06,260 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1593486346] [2023-11-19 07:55:06,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:55:06,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:55:06,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:55:06,355 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:55:06,355 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:55:06,355 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1593486346] [2023-11-19 07:55:06,356 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1593486346] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:55:06,356 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:55:06,356 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 07:55:06,357 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [432230884] [2023-11-19 07:55:06,358 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:55:06,360 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-19 07:55:06,360 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:55:06,360 INFO L85 PathProgramCache]: Analyzing trace with hash 61120, now seen corresponding path program 1 times [2023-11-19 07:55:06,361 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:55:06,361 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [601823419] [2023-11-19 07:55:06,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:55:06,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:55:06,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:55:06,370 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:55:06,370 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:55:06,370 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [601823419] [2023-11-19 07:55:06,371 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [601823419] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:55:06,371 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:55:06,371 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:55:06,371 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1852291742] [2023-11-19 07:55:06,371 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:55:06,372 INFO L765 eck$LassoCheckResult]: loop already infeasible [2023-11-19 07:55:06,372 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:55:06,374 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 07:55:06,375 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 07:55:06,376 INFO L87 Difference]: Start difference. First operand 13 states and 19 transitions. cyclomatic complexity: 8 Second operand has 2 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:55:06,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:55:06,398 INFO L93 Difference]: Finished difference Result 13 states and 18 transitions. [2023-11-19 07:55:06,399 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 13 states and 18 transitions. [2023-11-19 07:55:06,400 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2023-11-19 07:55:06,400 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 13 states to 13 states and 18 transitions. [2023-11-19 07:55:06,400 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2023-11-19 07:55:06,401 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2023-11-19 07:55:06,401 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 18 transitions. [2023-11-19 07:55:06,401 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:55:06,401 INFO L218 hiAutomatonCegarLoop]: Abstraction has 13 states and 18 transitions. [2023-11-19 07:55:06,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states and 18 transitions. [2023-11-19 07:55:06,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2023-11-19 07:55:06,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 12 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:55:06,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 18 transitions. [2023-11-19 07:55:06,404 INFO L240 hiAutomatonCegarLoop]: Abstraction has 13 states and 18 transitions. [2023-11-19 07:55:06,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 07:55:06,405 INFO L428 stractBuchiCegarLoop]: Abstraction has 13 states and 18 transitions. [2023-11-19 07:55:06,405 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2023-11-19 07:55:06,405 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states and 18 transitions. [2023-11-19 07:55:06,406 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2023-11-19 07:55:06,406 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 07:55:06,406 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 07:55:06,406 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2023-11-19 07:55:06,406 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-19 07:55:06,407 INFO L748 eck$LassoCheckResult]: Stem: 145#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 146#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~malloc9#1.base, main_#t~malloc9#1.offset, main_#t~nondet11#1, main_#t~post10#1, main_~i~1#1, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;havoc main_#t~nondet8#1;main_~array_size~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1; 137#L523 assume !(main_~array_size~0#1 < 1 || main_~array_size~0#1 % 4294967296 >= 536870911); 138#L523-2 call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1 % 4294967296);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;main_~i~1#1 := 0; 139#L528-3 assume !(main_~i~1#1 < main_~array_size~0#1); 135#L528-4 havoc main_~i~1#1;assume { :begin_inline_sort } true;sort_#in~x#1.base, sort_#in~x#1.offset, sort_#in~n#1 := main_~numbers~0#1.base, main_~numbers~0#1.offset, main_~array_size~0#1;havoc sort_#t~mem4#1, sort_#t~mem5#1, sort_#t~mem6#1, sort_#t~mem7#1, sort_~temp~0#1, sort_#t~post3#1, sort_#t~post2#1, sort_~x#1.base, sort_~x#1.offset, sort_~n#1, sort_~pass~0#1, sort_~i~0#1;sort_~x#1.base, sort_~x#1.offset := sort_#in~x#1.base, sort_#in~x#1.offset;sort_~n#1 := sort_#in~n#1;havoc sort_~pass~0#1;havoc sort_~i~0#1;sort_~pass~0#1 := 1; 136#L515-3 [2023-11-19 07:55:06,407 INFO L750 eck$LassoCheckResult]: Loop: 136#L515-3 assume !!(sort_~pass~0#1 < sort_~n#1);sort_~i~0#1 := 0; 142#L516-3 assume !(sort_~i~0#1 < sort_~n#1 - sort_~pass~0#1); 143#L515-2 sort_#t~post2#1 := sort_~pass~0#1;sort_~pass~0#1 := 1 + sort_#t~post2#1;havoc sort_#t~post2#1; 136#L515-3 [2023-11-19 07:55:06,407 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:55:06,408 INFO L85 PathProgramCache]: Analyzing trace with hash 889568397, now seen corresponding path program 2 times [2023-11-19 07:55:06,408 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:55:06,408 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [376916921] [2023-11-19 07:55:06,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:55:06,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:55:06,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:55:06,513 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:55:06,513 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:55:06,514 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [376916921] [2023-11-19 07:55:06,514 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [376916921] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:55:06,514 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:55:06,514 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 07:55:06,515 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1450820454] [2023-11-19 07:55:06,515 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:55:06,515 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-19 07:55:06,516 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:55:06,516 INFO L85 PathProgramCache]: Analyzing trace with hash 60779, now seen corresponding path program 1 times [2023-11-19 07:55:06,516 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:55:06,516 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1808980253] [2023-11-19 07:55:06,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:55:06,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:55:06,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:55:06,546 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:55:06,546 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:55:06,547 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1808980253] [2023-11-19 07:55:06,547 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1808980253] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:55:06,547 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:55:06,547 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:55:06,547 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [377068848] [2023-11-19 07:55:06,547 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:55:06,548 INFO L765 eck$LassoCheckResult]: loop already infeasible [2023-11-19 07:55:06,548 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:55:06,548 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:55:06,549 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:55:06,549 INFO L87 Difference]: Start difference. First operand 13 states and 18 transitions. cyclomatic complexity: 7 Second operand has 3 states, 3 states have (on average 1.0) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:55:06,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:55:06,563 INFO L93 Difference]: Finished difference Result 14 states and 19 transitions. [2023-11-19 07:55:06,564 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 14 states and 19 transitions. [2023-11-19 07:55:06,564 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2023-11-19 07:55:06,565 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 14 states to 14 states and 19 transitions. [2023-11-19 07:55:06,565 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 [2023-11-19 07:55:06,565 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2023-11-19 07:55:06,566 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 19 transitions. [2023-11-19 07:55:06,566 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:55:06,566 INFO L218 hiAutomatonCegarLoop]: Abstraction has 14 states and 19 transitions. [2023-11-19 07:55:06,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states and 19 transitions. [2023-11-19 07:55:06,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2023-11-19 07:55:06,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 13 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:55:06,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 19 transitions. [2023-11-19 07:55:06,568 INFO L240 hiAutomatonCegarLoop]: Abstraction has 14 states and 19 transitions. [2023-11-19 07:55:06,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:55:06,570 INFO L428 stractBuchiCegarLoop]: Abstraction has 14 states and 19 transitions. [2023-11-19 07:55:06,570 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2023-11-19 07:55:06,570 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states and 19 transitions. [2023-11-19 07:55:06,571 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2023-11-19 07:55:06,571 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 07:55:06,571 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 07:55:06,571 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2023-11-19 07:55:06,572 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2023-11-19 07:55:06,572 INFO L748 eck$LassoCheckResult]: Stem: 180#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 181#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~malloc9#1.base, main_#t~malloc9#1.offset, main_#t~nondet11#1, main_#t~post10#1, main_~i~1#1, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;havoc main_#t~nondet8#1;main_~array_size~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1; 172#L523 assume !(main_~array_size~0#1 < 1 || main_~array_size~0#1 % 4294967296 >= 536870911); 173#L523-2 call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1 % 4294967296);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;main_~i~1#1 := 0; 174#L528-3 assume !(main_~i~1#1 < main_~array_size~0#1); 170#L528-4 havoc main_~i~1#1;assume { :begin_inline_sort } true;sort_#in~x#1.base, sort_#in~x#1.offset, sort_#in~n#1 := main_~numbers~0#1.base, main_~numbers~0#1.offset, main_~array_size~0#1;havoc sort_#t~mem4#1, sort_#t~mem5#1, sort_#t~mem6#1, sort_#t~mem7#1, sort_~temp~0#1, sort_#t~post3#1, sort_#t~post2#1, sort_~x#1.base, sort_~x#1.offset, sort_~n#1, sort_~pass~0#1, sort_~i~0#1;sort_~x#1.base, sort_~x#1.offset := sort_#in~x#1.base, sort_#in~x#1.offset;sort_~n#1 := sort_#in~n#1;havoc sort_~pass~0#1;havoc sort_~i~0#1;sort_~pass~0#1 := 1; 171#L515-3 [2023-11-19 07:55:06,572 INFO L750 eck$LassoCheckResult]: Loop: 171#L515-3 assume !!(sort_~pass~0#1 < sort_~n#1);sort_~i~0#1 := 0; 177#L516-3 assume !!(sort_~i~0#1 < sort_~n#1 - sort_~pass~0#1);call sort_#t~mem4#1 := read~int(sort_~x#1.base, sort_~x#1.offset + 4 * sort_~i~0#1, 4);call sort_#t~mem5#1 := read~int(sort_~x#1.base, sort_~x#1.offset + 4 * (1 + sort_~i~0#1), 4); 178#L517 assume sort_#t~mem4#1 > sort_#t~mem5#1;havoc sort_#t~mem4#1;havoc sort_#t~mem5#1;call sort_#t~mem6#1 := read~int(sort_~x#1.base, sort_~x#1.offset + 4 * sort_~i~0#1, 4);sort_~temp~0#1 := sort_#t~mem6#1;havoc sort_#t~mem6#1;call sort_#t~mem7#1 := read~int(sort_~x#1.base, sort_~x#1.offset + 4 * (1 + sort_~i~0#1), 4);call write~int(sort_#t~mem7#1, sort_~x#1.base, sort_~x#1.offset + 4 * sort_~i~0#1, 4);havoc sort_#t~mem7#1;call write~int(sort_~temp~0#1, sort_~x#1.base, sort_~x#1.offset + 4 * (1 + sort_~i~0#1), 4);havoc sort_~temp~0#1; 182#L516-2 sort_#t~post3#1 := sort_~i~0#1;sort_~i~0#1 := 1 + sort_#t~post3#1;havoc sort_#t~post3#1; 183#L516-3 assume !(sort_~i~0#1 < sort_~n#1 - sort_~pass~0#1); 179#L515-2 sort_#t~post2#1 := sort_~pass~0#1;sort_~pass~0#1 := 1 + sort_#t~post2#1;havoc sort_#t~post2#1; 171#L515-3 [2023-11-19 07:55:06,573 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:55:06,573 INFO L85 PathProgramCache]: Analyzing trace with hash 889568397, now seen corresponding path program 3 times [2023-11-19 07:55:06,573 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:55:06,574 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1982820186] [2023-11-19 07:55:06,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:55:06,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:55:06,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:55:06,643 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:55:06,644 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:55:06,644 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1982820186] [2023-11-19 07:55:06,644 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1982820186] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:55:06,645 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:55:06,645 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 07:55:06,645 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [829709222] [2023-11-19 07:55:06,646 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:55:06,646 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-19 07:55:06,647 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:55:06,647 INFO L85 PathProgramCache]: Analyzing trace with hash 1812321306, now seen corresponding path program 1 times [2023-11-19 07:55:06,647 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:55:06,647 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [981923890] [2023-11-19 07:55:06,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:55:06,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:55:06,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:55:06,665 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:55:06,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:55:06,679 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:55:06,822 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:55:06,822 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 07:55:06,823 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-19 07:55:06,823 INFO L87 Difference]: Start difference. First operand 14 states and 19 transitions. cyclomatic complexity: 7 Second operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:55:06,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:55:06,845 INFO L93 Difference]: Finished difference Result 15 states and 19 transitions. [2023-11-19 07:55:06,846 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 15 states and 19 transitions. [2023-11-19 07:55:06,847 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2023-11-19 07:55:06,847 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 15 states to 15 states and 19 transitions. [2023-11-19 07:55:06,847 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 [2023-11-19 07:55:06,848 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2023-11-19 07:55:06,848 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 19 transitions. [2023-11-19 07:55:06,848 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:55:06,848 INFO L218 hiAutomatonCegarLoop]: Abstraction has 15 states and 19 transitions. [2023-11-19 07:55:06,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states and 19 transitions. [2023-11-19 07:55:06,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 14. [2023-11-19 07:55:06,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 14 states have (on average 1.2857142857142858) internal successors, (18), 13 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:55:06,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 18 transitions. [2023-11-19 07:55:06,850 INFO L240 hiAutomatonCegarLoop]: Abstraction has 14 states and 18 transitions. [2023-11-19 07:55:06,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 07:55:06,852 INFO L428 stractBuchiCegarLoop]: Abstraction has 14 states and 18 transitions. [2023-11-19 07:55:06,852 INFO L335 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2023-11-19 07:55:06,852 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states and 18 transitions. [2023-11-19 07:55:06,853 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2023-11-19 07:55:06,853 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 07:55:06,853 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 07:55:06,854 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:55:06,854 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2023-11-19 07:55:06,854 INFO L748 eck$LassoCheckResult]: Stem: 216#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 217#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~malloc9#1.base, main_#t~malloc9#1.offset, main_#t~nondet11#1, main_#t~post10#1, main_~i~1#1, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;havoc main_#t~nondet8#1;main_~array_size~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1; 206#L523 assume !(main_~array_size~0#1 < 1 || main_~array_size~0#1 % 4294967296 >= 536870911); 207#L523-2 call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1 % 4294967296);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;main_~i~1#1 := 0; 210#L528-3 assume !!(main_~i~1#1 < main_~array_size~0#1);havoc main_#t~nondet11#1;call write~int(main_#t~nondet11#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet11#1; 211#L528-2 main_#t~post10#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 212#L528-3 assume !(main_~i~1#1 < main_~array_size~0#1); 208#L528-4 havoc main_~i~1#1;assume { :begin_inline_sort } true;sort_#in~x#1.base, sort_#in~x#1.offset, sort_#in~n#1 := main_~numbers~0#1.base, main_~numbers~0#1.offset, main_~array_size~0#1;havoc sort_#t~mem4#1, sort_#t~mem5#1, sort_#t~mem6#1, sort_#t~mem7#1, sort_~temp~0#1, sort_#t~post3#1, sort_#t~post2#1, sort_~x#1.base, sort_~x#1.offset, sort_~n#1, sort_~pass~0#1, sort_~i~0#1;sort_~x#1.base, sort_~x#1.offset := sort_#in~x#1.base, sort_#in~x#1.offset;sort_~n#1 := sort_#in~n#1;havoc sort_~pass~0#1;havoc sort_~i~0#1;sort_~pass~0#1 := 1; 209#L515-3 [2023-11-19 07:55:06,854 INFO L750 eck$LassoCheckResult]: Loop: 209#L515-3 assume !!(sort_~pass~0#1 < sort_~n#1);sort_~i~0#1 := 0; 213#L516-3 assume !!(sort_~i~0#1 < sort_~n#1 - sort_~pass~0#1);call sort_#t~mem4#1 := read~int(sort_~x#1.base, sort_~x#1.offset + 4 * sort_~i~0#1, 4);call sort_#t~mem5#1 := read~int(sort_~x#1.base, sort_~x#1.offset + 4 * (1 + sort_~i~0#1), 4); 214#L517 assume sort_#t~mem4#1 > sort_#t~mem5#1;havoc sort_#t~mem4#1;havoc sort_#t~mem5#1;call sort_#t~mem6#1 := read~int(sort_~x#1.base, sort_~x#1.offset + 4 * sort_~i~0#1, 4);sort_~temp~0#1 := sort_#t~mem6#1;havoc sort_#t~mem6#1;call sort_#t~mem7#1 := read~int(sort_~x#1.base, sort_~x#1.offset + 4 * (1 + sort_~i~0#1), 4);call write~int(sort_#t~mem7#1, sort_~x#1.base, sort_~x#1.offset + 4 * sort_~i~0#1, 4);havoc sort_#t~mem7#1;call write~int(sort_~temp~0#1, sort_~x#1.base, sort_~x#1.offset + 4 * (1 + sort_~i~0#1), 4);havoc sort_~temp~0#1; 218#L516-2 sort_#t~post3#1 := sort_~i~0#1;sort_~i~0#1 := 1 + sort_#t~post3#1;havoc sort_#t~post3#1; 219#L516-3 assume !(sort_~i~0#1 < sort_~n#1 - sort_~pass~0#1); 215#L515-2 sort_#t~post2#1 := sort_~pass~0#1;sort_~pass~0#1 := 1 + sort_#t~post2#1;havoc sort_#t~post2#1; 209#L515-3 [2023-11-19 07:55:06,855 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:55:06,855 INFO L85 PathProgramCache]: Analyzing trace with hash 176793839, now seen corresponding path program 1 times [2023-11-19 07:55:06,855 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:55:06,855 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [806353018] [2023-11-19 07:55:06,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:55:06,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:55:06,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:55:06,868 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:55:06,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:55:06,880 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:55:06,881 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:55:06,881 INFO L85 PathProgramCache]: Analyzing trace with hash 1812321306, now seen corresponding path program 2 times [2023-11-19 07:55:06,881 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:55:06,882 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1671145902] [2023-11-19 07:55:06,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:55:06,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:55:06,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:55:06,890 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:55:06,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:55:06,898 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:55:06,898 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:55:06,899 INFO L85 PathProgramCache]: Analyzing trace with hash -256077176, now seen corresponding path program 1 times [2023-11-19 07:55:06,899 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:55:06,899 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [330458818] [2023-11-19 07:55:06,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:55:06,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:55:06,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:55:07,088 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63118670-7e8c-47bb-b8fd-92aa64c73361/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2023-11-19 07:55:07,125 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 07:55:07,125 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:55:07,125 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [330458818] [2023-11-19 07:55:07,125 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [330458818] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 07:55:07,126 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1695293014] [2023-11-19 07:55:07,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:55:07,126 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:55:07,126 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63118670-7e8c-47bb-b8fd-92aa64c73361/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:55:07,127 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63118670-7e8c-47bb-b8fd-92aa64c73361/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:55:07,150 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63118670-7e8c-47bb-b8fd-92aa64c73361/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-19 07:55:07,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:55:07,211 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 07:55:07,213 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:55:07,267 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 07:55:07,267 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 07:55:07,309 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 07:55:07,310 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1695293014] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 07:55:07,310 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-19 07:55:07,310 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 9 [2023-11-19 07:55:07,311 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1802931118] [2023-11-19 07:55:07,311 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-19 07:55:07,449 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:55:07,450 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-19 07:55:07,451 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2023-11-19 07:55:07,451 INFO L87 Difference]: Start difference. First operand 14 states and 18 transitions. cyclomatic complexity: 6 Second operand has 9 states, 9 states have (on average 2.3333333333333335) internal successors, (21), 9 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:55:07,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:55:07,539 INFO L93 Difference]: Finished difference Result 24 states and 29 transitions. [2023-11-19 07:55:07,539 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 24 states and 29 transitions. [2023-11-19 07:55:07,540 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2023-11-19 07:55:07,540 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 24 states to 17 states and 20 transitions. [2023-11-19 07:55:07,541 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 [2023-11-19 07:55:07,541 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2023-11-19 07:55:07,541 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 20 transitions. [2023-11-19 07:55:07,541 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:55:07,541 INFO L218 hiAutomatonCegarLoop]: Abstraction has 17 states and 20 transitions. [2023-11-19 07:55:07,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states and 20 transitions. [2023-11-19 07:55:07,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 16. [2023-11-19 07:55:07,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 16 states have (on average 1.1875) internal successors, (19), 15 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:55:07,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 19 transitions. [2023-11-19 07:55:07,546 INFO L240 hiAutomatonCegarLoop]: Abstraction has 16 states and 19 transitions. [2023-11-19 07:55:07,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-19 07:55:07,548 INFO L428 stractBuchiCegarLoop]: Abstraction has 16 states and 19 transitions. [2023-11-19 07:55:07,548 INFO L335 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2023-11-19 07:55:07,548 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states and 19 transitions. [2023-11-19 07:55:07,549 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2023-11-19 07:55:07,549 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 07:55:07,549 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 07:55:07,550 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1] [2023-11-19 07:55:07,550 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2023-11-19 07:55:07,550 INFO L748 eck$LassoCheckResult]: Stem: 355#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 356#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~malloc9#1.base, main_#t~malloc9#1.offset, main_#t~nondet11#1, main_#t~post10#1, main_~i~1#1, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;havoc main_#t~nondet8#1;main_~array_size~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1; 346#L523 assume !(main_~array_size~0#1 < 1 || main_~array_size~0#1 % 4294967296 >= 536870911); 347#L523-2 call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1 % 4294967296);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;main_~i~1#1 := 0; 348#L528-3 assume !!(main_~i~1#1 < main_~array_size~0#1);havoc main_#t~nondet11#1;call write~int(main_#t~nondet11#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet11#1; 349#L528-2 main_#t~post10#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 350#L528-3 assume !!(main_~i~1#1 < main_~array_size~0#1);havoc main_#t~nondet11#1;call write~int(main_#t~nondet11#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet11#1; 351#L528-2 main_#t~post10#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 359#L528-3 assume !(main_~i~1#1 < main_~array_size~0#1); 344#L528-4 havoc main_~i~1#1;assume { :begin_inline_sort } true;sort_#in~x#1.base, sort_#in~x#1.offset, sort_#in~n#1 := main_~numbers~0#1.base, main_~numbers~0#1.offset, main_~array_size~0#1;havoc sort_#t~mem4#1, sort_#t~mem5#1, sort_#t~mem6#1, sort_#t~mem7#1, sort_~temp~0#1, sort_#t~post3#1, sort_#t~post2#1, sort_~x#1.base, sort_~x#1.offset, sort_~n#1, sort_~pass~0#1, sort_~i~0#1;sort_~x#1.base, sort_~x#1.offset := sort_#in~x#1.base, sort_#in~x#1.offset;sort_~n#1 := sort_#in~n#1;havoc sort_~pass~0#1;havoc sort_~i~0#1;sort_~pass~0#1 := 1; 345#L515-3 [2023-11-19 07:55:07,550 INFO L750 eck$LassoCheckResult]: Loop: 345#L515-3 assume !!(sort_~pass~0#1 < sort_~n#1);sort_~i~0#1 := 0; 352#L516-3 assume !!(sort_~i~0#1 < sort_~n#1 - sort_~pass~0#1);call sort_#t~mem4#1 := read~int(sort_~x#1.base, sort_~x#1.offset + 4 * sort_~i~0#1, 4);call sort_#t~mem5#1 := read~int(sort_~x#1.base, sort_~x#1.offset + 4 * (1 + sort_~i~0#1), 4); 353#L517 assume sort_#t~mem4#1 > sort_#t~mem5#1;havoc sort_#t~mem4#1;havoc sort_#t~mem5#1;call sort_#t~mem6#1 := read~int(sort_~x#1.base, sort_~x#1.offset + 4 * sort_~i~0#1, 4);sort_~temp~0#1 := sort_#t~mem6#1;havoc sort_#t~mem6#1;call sort_#t~mem7#1 := read~int(sort_~x#1.base, sort_~x#1.offset + 4 * (1 + sort_~i~0#1), 4);call write~int(sort_#t~mem7#1, sort_~x#1.base, sort_~x#1.offset + 4 * sort_~i~0#1, 4);havoc sort_#t~mem7#1;call write~int(sort_~temp~0#1, sort_~x#1.base, sort_~x#1.offset + 4 * (1 + sort_~i~0#1), 4);havoc sort_~temp~0#1; 357#L516-2 sort_#t~post3#1 := sort_~i~0#1;sort_~i~0#1 := 1 + sort_#t~post3#1;havoc sort_#t~post3#1; 358#L516-3 assume !(sort_~i~0#1 < sort_~n#1 - sort_~pass~0#1); 354#L515-2 sort_#t~post2#1 := sort_~pass~0#1;sort_~pass~0#1 := 1 + sort_#t~post2#1;havoc sort_#t~post2#1; 345#L515-3 [2023-11-19 07:55:07,551 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:55:07,551 INFO L85 PathProgramCache]: Analyzing trace with hash -1899756335, now seen corresponding path program 2 times [2023-11-19 07:55:07,551 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:55:07,551 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [594644281] [2023-11-19 07:55:07,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:55:07,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:55:07,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:55:07,565 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:55:07,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:55:07,577 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:55:07,577 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:55:07,577 INFO L85 PathProgramCache]: Analyzing trace with hash 1812321306, now seen corresponding path program 3 times [2023-11-19 07:55:07,578 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:55:07,578 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1839713038] [2023-11-19 07:55:07,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:55:07,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:55:07,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:55:07,585 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:55:07,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:55:07,591 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:55:07,591 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:55:07,591 INFO L85 PathProgramCache]: Analyzing trace with hash 1808202986, now seen corresponding path program 2 times [2023-11-19 07:55:07,592 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:55:07,592 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1202100209] [2023-11-19 07:55:07,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:55:07,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:55:07,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:55:07,615 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:55:07,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:55:07,632 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:55:08,107 INFO L210 LassoAnalysis]: Preferences: [2023-11-19 07:55:08,107 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-19 07:55:08,108 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-19 07:55:08,108 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-19 07:55:08,108 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-19 07:55:08,108 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:55:08,108 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-19 07:55:08,108 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-19 07:55:08,108 INFO L133 ssoRankerPreferences]: Filename of dumped script: java_BubbleSort-alloca-1.i_Iteration6_Lasso [2023-11-19 07:55:08,109 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-19 07:55:08,109 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-19 07:55:08,119 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:55:08,125 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:55:08,128 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:55:08,131 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:55:08,485 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:55:08,489 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:55:08,492 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:55:08,496 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:55:08,499 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:55:08,501 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:55:08,504 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:55:08,506 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:55:08,510 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:55:08,512 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:55:08,516 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:55:08,518 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:55:08,521 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:55:08,524 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:55:08,527 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:55:08,529 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:55:08,959 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-19 07:55:08,959 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-19 07:55:08,960 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:55:08,960 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63118670-7e8c-47bb-b8fd-92aa64c73361/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:55:08,961 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63118670-7e8c-47bb-b8fd-92aa64c73361/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:55:08,968 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:55:08,981 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:55:08,981 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:55:08,981 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:55:08,981 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:55:08,981 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:55:08,982 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:55:08,982 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:55:08,983 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63118670-7e8c-47bb-b8fd-92aa64c73361/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2023-11-19 07:55:08,992 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:55:09,014 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63118670-7e8c-47bb-b8fd-92aa64c73361/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2023-11-19 07:55:09,015 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:55:09,015 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63118670-7e8c-47bb-b8fd-92aa64c73361/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:55:09,016 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63118670-7e8c-47bb-b8fd-92aa64c73361/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:55:09,024 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:55:09,036 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:55:09,036 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:55:09,036 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:55:09,036 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:55:09,038 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:55:09,039 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:55:09,040 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63118670-7e8c-47bb-b8fd-92aa64c73361/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2023-11-19 07:55:09,067 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:55:09,090 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63118670-7e8c-47bb-b8fd-92aa64c73361/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2023-11-19 07:55:09,090 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:55:09,090 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63118670-7e8c-47bb-b8fd-92aa64c73361/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:55:09,091 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63118670-7e8c-47bb-b8fd-92aa64c73361/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:55:09,099 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:55:09,111 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:55:09,111 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:55:09,111 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:55:09,112 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:55:09,112 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:55:09,112 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:55:09,112 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:55:09,115 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63118670-7e8c-47bb-b8fd-92aa64c73361/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2023-11-19 07:55:09,122 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:55:09,145 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63118670-7e8c-47bb-b8fd-92aa64c73361/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2023-11-19 07:55:09,145 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:55:09,146 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63118670-7e8c-47bb-b8fd-92aa64c73361/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:55:09,147 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63118670-7e8c-47bb-b8fd-92aa64c73361/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:55:09,154 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:55:09,166 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:55:09,167 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:55:09,167 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:55:09,167 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:55:09,169 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63118670-7e8c-47bb-b8fd-92aa64c73361/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2023-11-19 07:55:09,178 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:55:09,178 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:55:09,203 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-19 07:55:09,232 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2023-11-19 07:55:09,232 INFO L444 ModelExtractionUtils]: 14 out of 28 variables were initially zero. Simplification set additionally 11 variables to zero. [2023-11-19 07:55:09,232 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:55:09,232 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63118670-7e8c-47bb-b8fd-92aa64c73361/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:55:09,234 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63118670-7e8c-47bb-b8fd-92aa64c73361/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:55:09,241 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63118670-7e8c-47bb-b8fd-92aa64c73361/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2023-11-19 07:55:09,242 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-19 07:55:09,259 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-11-19 07:55:09,260 INFO L513 LassoAnalysis]: Proved termination. [2023-11-19 07:55:09,260 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_sort_~n#1, ULTIMATE.start_sort_~pass~0#1) = 1*ULTIMATE.start_sort_~n#1 - 1*ULTIMATE.start_sort_~pass~0#1 Supporting invariants [] [2023-11-19 07:55:09,284 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63118670-7e8c-47bb-b8fd-92aa64c73361/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2023-11-19 07:55:09,311 INFO L156 tatePredicateManager]: 9 out of 9 supporting invariants were superfluous and have been removed [2023-11-19 07:55:09,325 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:55:09,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:55:09,345 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 07:55:09,347 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:55:09,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:55:09,377 INFO L262 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 07:55:09,377 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:55:09,416 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 07:55:09,418 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2023-11-19 07:55:09,418 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 16 states and 19 transitions. cyclomatic complexity: 5 Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:55:09,446 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 16 states and 19 transitions. cyclomatic complexity: 5. Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 22 states and 28 transitions. Complement of second has 4 states. [2023-11-19 07:55:09,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2023-11-19 07:55:09,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:55:09,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 15 transitions. [2023-11-19 07:55:09,450 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 15 transitions. Stem has 10 letters. Loop has 6 letters. [2023-11-19 07:55:09,450 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 07:55:09,450 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 15 transitions. Stem has 16 letters. Loop has 6 letters. [2023-11-19 07:55:09,451 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 07:55:09,451 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 15 transitions. Stem has 10 letters. Loop has 12 letters. [2023-11-19 07:55:09,451 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 07:55:09,452 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 22 states and 28 transitions. [2023-11-19 07:55:09,455 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2023-11-19 07:55:09,456 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 22 states to 21 states and 27 transitions. [2023-11-19 07:55:09,456 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2023-11-19 07:55:09,456 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2023-11-19 07:55:09,457 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 27 transitions. [2023-11-19 07:55:09,457 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-19 07:55:09,457 INFO L218 hiAutomatonCegarLoop]: Abstraction has 21 states and 27 transitions. [2023-11-19 07:55:09,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states and 27 transitions. [2023-11-19 07:55:09,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 20. [2023-11-19 07:55:09,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 20 states have (on average 1.3) internal successors, (26), 19 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:55:09,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 26 transitions. [2023-11-19 07:55:09,462 INFO L240 hiAutomatonCegarLoop]: Abstraction has 20 states and 26 transitions. [2023-11-19 07:55:09,462 INFO L428 stractBuchiCegarLoop]: Abstraction has 20 states and 26 transitions. [2023-11-19 07:55:09,462 INFO L335 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2023-11-19 07:55:09,462 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states and 26 transitions. [2023-11-19 07:55:09,463 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2023-11-19 07:55:09,463 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 07:55:09,463 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 07:55:09,463 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:55:09,463 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-19 07:55:09,464 INFO L748 eck$LassoCheckResult]: Stem: 499#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 500#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~malloc9#1.base, main_#t~malloc9#1.offset, main_#t~nondet11#1, main_#t~post10#1, main_~i~1#1, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;havoc main_#t~nondet8#1;main_~array_size~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1; 485#L523 assume !(main_~array_size~0#1 < 1 || main_~array_size~0#1 % 4294967296 >= 536870911); 486#L523-2 call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1 % 4294967296);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;main_~i~1#1 := 0; 489#L528-3 assume !!(main_~i~1#1 < main_~array_size~0#1);havoc main_#t~nondet11#1;call write~int(main_#t~nondet11#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet11#1; 490#L528-2 main_#t~post10#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 491#L528-3 assume !!(main_~i~1#1 < main_~array_size~0#1);havoc main_#t~nondet11#1;call write~int(main_#t~nondet11#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet11#1; 492#L528-2 main_#t~post10#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 504#L528-3 assume !(main_~i~1#1 < main_~array_size~0#1); 487#L528-4 havoc main_~i~1#1;assume { :begin_inline_sort } true;sort_#in~x#1.base, sort_#in~x#1.offset, sort_#in~n#1 := main_~numbers~0#1.base, main_~numbers~0#1.offset, main_~array_size~0#1;havoc sort_#t~mem4#1, sort_#t~mem5#1, sort_#t~mem6#1, sort_#t~mem7#1, sort_~temp~0#1, sort_#t~post3#1, sort_#t~post2#1, sort_~x#1.base, sort_~x#1.offset, sort_~n#1, sort_~pass~0#1, sort_~i~0#1;sort_~x#1.base, sort_~x#1.offset := sort_#in~x#1.base, sort_#in~x#1.offset;sort_~n#1 := sort_#in~n#1;havoc sort_~pass~0#1;havoc sort_~i~0#1;sort_~pass~0#1 := 1; 488#L515-3 assume !!(sort_~pass~0#1 < sort_~n#1);sort_~i~0#1 := 0; 493#L516-3 [2023-11-19 07:55:09,464 INFO L750 eck$LassoCheckResult]: Loop: 493#L516-3 assume !!(sort_~i~0#1 < sort_~n#1 - sort_~pass~0#1);call sort_#t~mem4#1 := read~int(sort_~x#1.base, sort_~x#1.offset + 4 * sort_~i~0#1, 4);call sort_#t~mem5#1 := read~int(sort_~x#1.base, sort_~x#1.offset + 4 * (1 + sort_~i~0#1), 4); 494#L517 assume sort_#t~mem4#1 > sort_#t~mem5#1;havoc sort_#t~mem4#1;havoc sort_#t~mem5#1;call sort_#t~mem6#1 := read~int(sort_~x#1.base, sort_~x#1.offset + 4 * sort_~i~0#1, 4);sort_~temp~0#1 := sort_#t~mem6#1;havoc sort_#t~mem6#1;call sort_#t~mem7#1 := read~int(sort_~x#1.base, sort_~x#1.offset + 4 * (1 + sort_~i~0#1), 4);call write~int(sort_#t~mem7#1, sort_~x#1.base, sort_~x#1.offset + 4 * sort_~i~0#1, 4);havoc sort_#t~mem7#1;call write~int(sort_~temp~0#1, sort_~x#1.base, sort_~x#1.offset + 4 * (1 + sort_~i~0#1), 4);havoc sort_~temp~0#1; 501#L516-2 sort_#t~post3#1 := sort_~i~0#1;sort_~i~0#1 := 1 + sort_#t~post3#1;havoc sort_#t~post3#1; 493#L516-3 [2023-11-19 07:55:09,464 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:55:09,464 INFO L85 PathProgramCache]: Analyzing trace with hash 1237095790, now seen corresponding path program 1 times [2023-11-19 07:55:09,464 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:55:09,464 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1545243568] [2023-11-19 07:55:09,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:55:09,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:55:09,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:55:09,478 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:55:09,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:55:09,488 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:55:09,489 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:55:09,489 INFO L85 PathProgramCache]: Analyzing trace with hash 68618, now seen corresponding path program 1 times [2023-11-19 07:55:09,489 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:55:09,489 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1573787575] [2023-11-19 07:55:09,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:55:09,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:55:09,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:55:09,496 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:55:09,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:55:09,500 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:55:09,501 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:55:09,501 INFO L85 PathProgramCache]: Analyzing trace with hash -793648259, now seen corresponding path program 1 times [2023-11-19 07:55:09,501 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:55:09,502 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [970471885] [2023-11-19 07:55:09,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:55:09,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:55:09,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:55:09,540 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:55:09,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:55:09,553 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:55:09,575 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63118670-7e8c-47bb-b8fd-92aa64c73361/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2023-11-19 07:55:10,053 INFO L210 LassoAnalysis]: Preferences: [2023-11-19 07:55:10,054 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-19 07:55:10,054 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-19 07:55:10,054 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-19 07:55:10,054 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-19 07:55:10,054 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:55:10,054 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-19 07:55:10,054 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-19 07:55:10,054 INFO L133 ssoRankerPreferences]: Filename of dumped script: java_BubbleSort-alloca-1.i_Iteration7_Lasso [2023-11-19 07:55:10,055 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-19 07:55:10,055 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-19 07:55:10,060 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:55:10,066 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:55:10,069 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:55:10,072 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:55:10,389 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:55:10,392 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:55:10,396 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:55:10,399 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:55:10,402 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:55:10,405 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:55:10,408 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:55:10,410 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:55:10,413 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:55:10,416 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:55:10,419 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:55:10,421 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:55:10,423 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:55:10,426 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:55:10,743 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-19 07:55:10,743 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-19 07:55:10,743 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:55:10,743 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63118670-7e8c-47bb-b8fd-92aa64c73361/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:55:10,747 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63118670-7e8c-47bb-b8fd-92aa64c73361/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:55:10,751 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63118670-7e8c-47bb-b8fd-92aa64c73361/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2023-11-19 07:55:10,752 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:55:10,764 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:55:10,764 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:55:10,765 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:55:10,765 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:55:10,765 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:55:10,765 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:55:10,765 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:55:10,779 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:55:10,797 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63118670-7e8c-47bb-b8fd-92aa64c73361/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2023-11-19 07:55:10,798 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:55:10,798 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63118670-7e8c-47bb-b8fd-92aa64c73361/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:55:10,800 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63118670-7e8c-47bb-b8fd-92aa64c73361/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:55:10,816 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:55:10,828 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:55:10,829 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:55:10,829 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:55:10,829 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:55:10,829 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:55:10,829 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:55:10,829 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:55:10,832 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63118670-7e8c-47bb-b8fd-92aa64c73361/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2023-11-19 07:55:10,839 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:55:10,862 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63118670-7e8c-47bb-b8fd-92aa64c73361/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2023-11-19 07:55:10,862 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:55:10,862 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63118670-7e8c-47bb-b8fd-92aa64c73361/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:55:10,863 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63118670-7e8c-47bb-b8fd-92aa64c73361/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:55:10,866 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:55:10,878 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:55:10,878 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:55:10,879 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:55:10,879 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:55:10,879 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:55:10,879 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:55:10,879 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:55:10,881 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63118670-7e8c-47bb-b8fd-92aa64c73361/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2023-11-19 07:55:10,885 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:55:10,908 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63118670-7e8c-47bb-b8fd-92aa64c73361/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2023-11-19 07:55:10,908 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:55:10,908 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63118670-7e8c-47bb-b8fd-92aa64c73361/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:55:10,909 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63118670-7e8c-47bb-b8fd-92aa64c73361/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:55:10,912 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:55:10,925 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:55:10,925 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:55:10,925 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:55:10,925 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:55:10,928 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:55:10,928 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:55:10,929 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63118670-7e8c-47bb-b8fd-92aa64c73361/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2023-11-19 07:55:10,939 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:55:10,963 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63118670-7e8c-47bb-b8fd-92aa64c73361/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2023-11-19 07:55:10,963 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:55:10,963 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63118670-7e8c-47bb-b8fd-92aa64c73361/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:55:10,964 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63118670-7e8c-47bb-b8fd-92aa64c73361/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:55:10,972 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:55:10,984 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:55:10,984 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:55:10,985 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:55:10,985 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:55:10,986 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:55:10,987 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:55:10,987 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63118670-7e8c-47bb-b8fd-92aa64c73361/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2023-11-19 07:55:11,015 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:55:11,032 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63118670-7e8c-47bb-b8fd-92aa64c73361/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2023-11-19 07:55:11,033 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:55:11,033 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63118670-7e8c-47bb-b8fd-92aa64c73361/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:55:11,034 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63118670-7e8c-47bb-b8fd-92aa64c73361/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:55:11,036 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:55:11,049 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:55:11,049 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:55:11,049 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:55:11,049 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:55:11,051 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:55:11,051 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:55:11,053 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63118670-7e8c-47bb-b8fd-92aa64c73361/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2023-11-19 07:55:11,062 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:55:11,085 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63118670-7e8c-47bb-b8fd-92aa64c73361/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2023-11-19 07:55:11,086 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:55:11,086 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63118670-7e8c-47bb-b8fd-92aa64c73361/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:55:11,087 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63118670-7e8c-47bb-b8fd-92aa64c73361/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:55:11,093 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63118670-7e8c-47bb-b8fd-92aa64c73361/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2023-11-19 07:55:11,094 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:55:11,106 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:55:11,107 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:55:11,107 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:55:11,107 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:55:11,111 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:55:11,111 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:55:11,131 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:55:11,151 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63118670-7e8c-47bb-b8fd-92aa64c73361/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2023-11-19 07:55:11,151 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:55:11,151 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63118670-7e8c-47bb-b8fd-92aa64c73361/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:55:11,152 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63118670-7e8c-47bb-b8fd-92aa64c73361/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:55:11,159 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63118670-7e8c-47bb-b8fd-92aa64c73361/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2023-11-19 07:55:11,160 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 [2023-11-19 07:55:11,175 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:55:11,175 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:55:11,175 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:55:11,175 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:55:11,177 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:55:11,178 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:55:11,195 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:55:11,218 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63118670-7e8c-47bb-b8fd-92aa64c73361/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2023-11-19 07:55:11,219 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:55:11,219 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63118670-7e8c-47bb-b8fd-92aa64c73361/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:55:11,220 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63118670-7e8c-47bb-b8fd-92aa64c73361/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:55:11,223 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:55:11,236 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:55:11,237 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:55:11,237 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:55:11,237 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:55:11,239 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:55:11,239 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:55:11,240 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63118670-7e8c-47bb-b8fd-92aa64c73361/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2023-11-19 07:55:11,250 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:55:11,273 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63118670-7e8c-47bb-b8fd-92aa64c73361/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2023-11-19 07:55:11,273 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:55:11,274 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63118670-7e8c-47bb-b8fd-92aa64c73361/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:55:11,275 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63118670-7e8c-47bb-b8fd-92aa64c73361/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:55:11,279 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63118670-7e8c-47bb-b8fd-92aa64c73361/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2023-11-19 07:55:11,279 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:55:11,292 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:55:11,292 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:55:11,292 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:55:11,292 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:55:11,296 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:55:11,297 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:55:11,323 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:55:11,347 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63118670-7e8c-47bb-b8fd-92aa64c73361/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2023-11-19 07:55:11,347 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:55:11,347 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63118670-7e8c-47bb-b8fd-92aa64c73361/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:55:11,348 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63118670-7e8c-47bb-b8fd-92aa64c73361/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:55:11,351 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 [2023-11-19 07:55:11,363 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:55:11,364 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:55:11,364 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:55:11,364 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:55:11,364 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63118670-7e8c-47bb-b8fd-92aa64c73361/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2023-11-19 07:55:11,371 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:55:11,372 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:55:11,393 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-19 07:55:11,429 INFO L443 ModelExtractionUtils]: Simplification made 12 calls to the SMT solver. [2023-11-19 07:55:11,429 INFO L444 ModelExtractionUtils]: 3 out of 25 variables were initially zero. Simplification set additionally 18 variables to zero. [2023-11-19 07:55:11,430 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:55:11,430 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63118670-7e8c-47bb-b8fd-92aa64c73361/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:55:11,431 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63118670-7e8c-47bb-b8fd-92aa64c73361/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:55:11,433 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-19 07:55:11,445 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63118670-7e8c-47bb-b8fd-92aa64c73361/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2023-11-19 07:55:11,465 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2023-11-19 07:55:11,465 INFO L513 LassoAnalysis]: Proved termination. [2023-11-19 07:55:11,466 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_sort_~i~0#1, v_rep(select #length ULTIMATE.start_sort_~x#1.base)_2) = -4*ULTIMATE.start_sort_~i~0#1 + 1*v_rep(select #length ULTIMATE.start_sort_~x#1.base)_2 Supporting invariants [1*ULTIMATE.start_sort_~x#1.offset >= 0] [2023-11-19 07:55:11,486 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63118670-7e8c-47bb-b8fd-92aa64c73361/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2023-11-19 07:55:11,504 INFO L156 tatePredicateManager]: 6 out of 7 supporting invariants were superfluous and have been removed [2023-11-19 07:55:11,507 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[~x!base] could not be translated [2023-11-19 07:55:11,530 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:55:11,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:55:11,550 INFO L262 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 07:55:11,551 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:55:11,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:55:11,620 INFO L262 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 07:55:11,621 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:55:11,648 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:55:11,649 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.3 stem predicates 2 loop predicates [2023-11-19 07:55:11,649 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 20 states and 26 transitions. cyclomatic complexity: 9 Second operand has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:55:11,732 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 20 states and 26 transitions. cyclomatic complexity: 9. Second operand has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 36 states and 50 transitions. Complement of second has 9 states. [2023-11-19 07:55:11,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 3 stem states 2 non-accepting loop states 1 accepting loop states [2023-11-19 07:55:11,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:55:11,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 15 transitions. [2023-11-19 07:55:11,737 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 15 transitions. Stem has 11 letters. Loop has 3 letters. [2023-11-19 07:55:11,737 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 07:55:11,737 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 15 transitions. Stem has 14 letters. Loop has 3 letters. [2023-11-19 07:55:11,737 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 07:55:11,738 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 15 transitions. Stem has 11 letters. Loop has 6 letters. [2023-11-19 07:55:11,739 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 07:55:11,739 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 36 states and 50 transitions. [2023-11-19 07:55:11,742 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2023-11-19 07:55:11,743 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 36 states to 26 states and 34 transitions. [2023-11-19 07:55:11,743 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2023-11-19 07:55:11,743 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2023-11-19 07:55:11,743 INFO L73 IsDeterministic]: Start isDeterministic. Operand 26 states and 34 transitions. [2023-11-19 07:55:11,744 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-19 07:55:11,744 INFO L218 hiAutomatonCegarLoop]: Abstraction has 26 states and 34 transitions. [2023-11-19 07:55:11,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states and 34 transitions. [2023-11-19 07:55:11,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 20. [2023-11-19 07:55:11,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 20 states have (on average 1.25) internal successors, (25), 19 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:55:11,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 25 transitions. [2023-11-19 07:55:11,746 INFO L240 hiAutomatonCegarLoop]: Abstraction has 20 states and 25 transitions. [2023-11-19 07:55:11,746 INFO L428 stractBuchiCegarLoop]: Abstraction has 20 states and 25 transitions. [2023-11-19 07:55:11,746 INFO L335 stractBuchiCegarLoop]: ======== Iteration 8 ============ [2023-11-19 07:55:11,747 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states and 25 transitions. [2023-11-19 07:55:11,747 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2023-11-19 07:55:11,747 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 07:55:11,747 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 07:55:11,748 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:55:11,748 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-19 07:55:11,748 INFO L748 eck$LassoCheckResult]: Stem: 659#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 660#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~malloc9#1.base, main_#t~malloc9#1.offset, main_#t~nondet11#1, main_#t~post10#1, main_~i~1#1, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;havoc main_#t~nondet8#1;main_~array_size~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1; 645#L523 assume !(main_~array_size~0#1 < 1 || main_~array_size~0#1 % 4294967296 >= 536870911); 646#L523-2 call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1 % 4294967296);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;main_~i~1#1 := 0; 649#L528-3 assume !!(main_~i~1#1 < main_~array_size~0#1);havoc main_#t~nondet11#1;call write~int(main_#t~nondet11#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet11#1; 650#L528-2 main_#t~post10#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 651#L528-3 assume !!(main_~i~1#1 < main_~array_size~0#1);havoc main_#t~nondet11#1;call write~int(main_#t~nondet11#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet11#1; 652#L528-2 main_#t~post10#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 664#L528-3 assume !(main_~i~1#1 < main_~array_size~0#1); 647#L528-4 havoc main_~i~1#1;assume { :begin_inline_sort } true;sort_#in~x#1.base, sort_#in~x#1.offset, sort_#in~n#1 := main_~numbers~0#1.base, main_~numbers~0#1.offset, main_~array_size~0#1;havoc sort_#t~mem4#1, sort_#t~mem5#1, sort_#t~mem6#1, sort_#t~mem7#1, sort_~temp~0#1, sort_#t~post3#1, sort_#t~post2#1, sort_~x#1.base, sort_~x#1.offset, sort_~n#1, sort_~pass~0#1, sort_~i~0#1;sort_~x#1.base, sort_~x#1.offset := sort_#in~x#1.base, sort_#in~x#1.offset;sort_~n#1 := sort_#in~n#1;havoc sort_~pass~0#1;havoc sort_~i~0#1;sort_~pass~0#1 := 1; 648#L515-3 assume !!(sort_~pass~0#1 < sort_~n#1);sort_~i~0#1 := 0; 655#L516-3 assume !!(sort_~i~0#1 < sort_~n#1 - sort_~pass~0#1);call sort_#t~mem4#1 := read~int(sort_~x#1.base, sort_~x#1.offset + 4 * sort_~i~0#1, 4);call sort_#t~mem5#1 := read~int(sort_~x#1.base, sort_~x#1.offset + 4 * (1 + sort_~i~0#1), 4); 656#L517 assume !(sort_#t~mem4#1 > sort_#t~mem5#1);havoc sort_#t~mem4#1;havoc sort_#t~mem5#1; 662#L516-2 sort_#t~post3#1 := sort_~i~0#1;sort_~i~0#1 := 1 + sort_#t~post3#1;havoc sort_#t~post3#1; 663#L516-3 assume !(sort_~i~0#1 < sort_~n#1 - sort_~pass~0#1); 657#L515-2 sort_#t~post2#1 := sort_~pass~0#1;sort_~pass~0#1 := 1 + sort_#t~post2#1;havoc sort_#t~post2#1; 658#L515-3 assume !!(sort_~pass~0#1 < sort_~n#1);sort_~i~0#1 := 0; 653#L516-3 [2023-11-19 07:55:11,749 INFO L750 eck$LassoCheckResult]: Loop: 653#L516-3 assume !!(sort_~i~0#1 < sort_~n#1 - sort_~pass~0#1);call sort_#t~mem4#1 := read~int(sort_~x#1.base, sort_~x#1.offset + 4 * sort_~i~0#1, 4);call sort_#t~mem5#1 := read~int(sort_~x#1.base, sort_~x#1.offset + 4 * (1 + sort_~i~0#1), 4); 654#L517 assume sort_#t~mem4#1 > sort_#t~mem5#1;havoc sort_#t~mem4#1;havoc sort_#t~mem5#1;call sort_#t~mem6#1 := read~int(sort_~x#1.base, sort_~x#1.offset + 4 * sort_~i~0#1, 4);sort_~temp~0#1 := sort_#t~mem6#1;havoc sort_#t~mem6#1;call sort_#t~mem7#1 := read~int(sort_~x#1.base, sort_~x#1.offset + 4 * (1 + sort_~i~0#1), 4);call write~int(sort_#t~mem7#1, sort_~x#1.base, sort_~x#1.offset + 4 * sort_~i~0#1, 4);havoc sort_#t~mem7#1;call write~int(sort_~temp~0#1, sort_~x#1.base, sort_~x#1.offset + 4 * (1 + sort_~i~0#1), 4);havoc sort_~temp~0#1; 661#L516-2 sort_#t~post3#1 := sort_~i~0#1;sort_~i~0#1 := 1 + sort_#t~post3#1;havoc sort_#t~post3#1; 653#L516-3 [2023-11-19 07:55:11,749 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:55:11,749 INFO L85 PathProgramCache]: Analyzing trace with hash 221564791, now seen corresponding path program 1 times [2023-11-19 07:55:11,749 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:55:11,750 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1255918141] [2023-11-19 07:55:11,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:55:11,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:55:11,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:55:11,964 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 07:55:11,965 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:55:11,965 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1255918141] [2023-11-19 07:55:11,965 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1255918141] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 07:55:11,965 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1721160337] [2023-11-19 07:55:11,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:55:11,966 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:55:11,966 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63118670-7e8c-47bb-b8fd-92aa64c73361/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:55:11,967 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63118670-7e8c-47bb-b8fd-92aa64c73361/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:55:11,991 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63118670-7e8c-47bb-b8fd-92aa64c73361/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2023-11-19 07:55:12,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:55:12,055 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 07:55:12,056 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:55:12,128 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 07:55:12,128 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 07:55:12,191 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 07:55:12,192 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1721160337] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 07:55:12,192 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-19 07:55:12,192 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 7] total 11 [2023-11-19 07:55:12,192 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [366761620] [2023-11-19 07:55:12,192 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-19 07:55:12,193 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-19 07:55:12,193 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:55:12,193 INFO L85 PathProgramCache]: Analyzing trace with hash 68618, now seen corresponding path program 2 times [2023-11-19 07:55:12,193 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:55:12,194 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2132375999] [2023-11-19 07:55:12,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:55:12,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:55:12,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:55:12,199 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:55:12,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:55:12,204 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:55:12,291 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63118670-7e8c-47bb-b8fd-92aa64c73361/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2023-11-19 07:55:12,325 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:55:12,325 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-19 07:55:12,326 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2023-11-19 07:55:12,326 INFO L87 Difference]: Start difference. First operand 20 states and 25 transitions. cyclomatic complexity: 8 Second operand has 12 states, 11 states have (on average 2.5454545454545454) internal successors, (28), 12 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) [2023-11-19 07:55:12,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:55:12,420 INFO L93 Difference]: Finished difference Result 31 states and 38 transitions. [2023-11-19 07:55:12,420 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 31 states and 38 transitions. [2023-11-19 07:55:12,420 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2023-11-19 07:55:12,421 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 31 states to 23 states and 28 transitions. [2023-11-19 07:55:12,421 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2023-11-19 07:55:12,421 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2023-11-19 07:55:12,421 INFO L73 IsDeterministic]: Start isDeterministic. Operand 23 states and 28 transitions. [2023-11-19 07:55:12,422 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-19 07:55:12,422 INFO L218 hiAutomatonCegarLoop]: Abstraction has 23 states and 28 transitions. [2023-11-19 07:55:12,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states and 28 transitions. [2023-11-19 07:55:12,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 22. [2023-11-19 07:55:12,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 22 states have (on average 1.2272727272727273) internal successors, (27), 21 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:55:12,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 27 transitions. [2023-11-19 07:55:12,425 INFO L240 hiAutomatonCegarLoop]: Abstraction has 22 states and 27 transitions. [2023-11-19 07:55:12,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-19 07:55:12,426 INFO L428 stractBuchiCegarLoop]: Abstraction has 22 states and 27 transitions. [2023-11-19 07:55:12,426 INFO L335 stractBuchiCegarLoop]: ======== Iteration 9 ============ [2023-11-19 07:55:12,426 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 22 states and 27 transitions. [2023-11-19 07:55:12,426 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2023-11-19 07:55:12,427 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 07:55:12,427 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 07:55:12,428 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:55:12,428 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-19 07:55:12,428 INFO L748 eck$LassoCheckResult]: Stem: 825#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 826#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~malloc9#1.base, main_#t~malloc9#1.offset, main_#t~nondet11#1, main_#t~post10#1, main_~i~1#1, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;havoc main_#t~nondet8#1;main_~array_size~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1; 813#L523 assume !(main_~array_size~0#1 < 1 || main_~array_size~0#1 % 4294967296 >= 536870911); 814#L523-2 call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1 % 4294967296);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;main_~i~1#1 := 0; 817#L528-3 assume !!(main_~i~1#1 < main_~array_size~0#1);havoc main_#t~nondet11#1;call write~int(main_#t~nondet11#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet11#1; 818#L528-2 main_#t~post10#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 819#L528-3 assume !!(main_~i~1#1 < main_~array_size~0#1);havoc main_#t~nondet11#1;call write~int(main_#t~nondet11#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet11#1; 820#L528-2 main_#t~post10#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 834#L528-3 assume !!(main_~i~1#1 < main_~array_size~0#1);havoc main_#t~nondet11#1;call write~int(main_#t~nondet11#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet11#1; 833#L528-2 main_#t~post10#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 832#L528-3 assume !(main_~i~1#1 < main_~array_size~0#1); 815#L528-4 havoc main_~i~1#1;assume { :begin_inline_sort } true;sort_#in~x#1.base, sort_#in~x#1.offset, sort_#in~n#1 := main_~numbers~0#1.base, main_~numbers~0#1.offset, main_~array_size~0#1;havoc sort_#t~mem4#1, sort_#t~mem5#1, sort_#t~mem6#1, sort_#t~mem7#1, sort_~temp~0#1, sort_#t~post3#1, sort_#t~post2#1, sort_~x#1.base, sort_~x#1.offset, sort_~n#1, sort_~pass~0#1, sort_~i~0#1;sort_~x#1.base, sort_~x#1.offset := sort_#in~x#1.base, sort_#in~x#1.offset;sort_~n#1 := sort_#in~n#1;havoc sort_~pass~0#1;havoc sort_~i~0#1;sort_~pass~0#1 := 1; 816#L515-3 assume !!(sort_~pass~0#1 < sort_~n#1);sort_~i~0#1 := 0; 823#L516-3 assume !!(sort_~i~0#1 < sort_~n#1 - sort_~pass~0#1);call sort_#t~mem4#1 := read~int(sort_~x#1.base, sort_~x#1.offset + 4 * sort_~i~0#1, 4);call sort_#t~mem5#1 := read~int(sort_~x#1.base, sort_~x#1.offset + 4 * (1 + sort_~i~0#1), 4); 824#L517 assume !(sort_#t~mem4#1 > sort_#t~mem5#1);havoc sort_#t~mem4#1;havoc sort_#t~mem5#1; 830#L516-2 sort_#t~post3#1 := sort_~i~0#1;sort_~i~0#1 := 1 + sort_#t~post3#1;havoc sort_#t~post3#1; 831#L516-3 assume !(sort_~i~0#1 < sort_~n#1 - sort_~pass~0#1); 827#L515-2 sort_#t~post2#1 := sort_~pass~0#1;sort_~pass~0#1 := 1 + sort_#t~post2#1;havoc sort_#t~post2#1; 828#L515-3 assume !!(sort_~pass~0#1 < sort_~n#1);sort_~i~0#1 := 0; 821#L516-3 [2023-11-19 07:55:12,428 INFO L750 eck$LassoCheckResult]: Loop: 821#L516-3 assume !!(sort_~i~0#1 < sort_~n#1 - sort_~pass~0#1);call sort_#t~mem4#1 := read~int(sort_~x#1.base, sort_~x#1.offset + 4 * sort_~i~0#1, 4);call sort_#t~mem5#1 := read~int(sort_~x#1.base, sort_~x#1.offset + 4 * (1 + sort_~i~0#1), 4); 822#L517 assume sort_#t~mem4#1 > sort_#t~mem5#1;havoc sort_#t~mem4#1;havoc sort_#t~mem5#1;call sort_#t~mem6#1 := read~int(sort_~x#1.base, sort_~x#1.offset + 4 * sort_~i~0#1, 4);sort_~temp~0#1 := sort_#t~mem6#1;havoc sort_#t~mem6#1;call sort_#t~mem7#1 := read~int(sort_~x#1.base, sort_~x#1.offset + 4 * (1 + sort_~i~0#1), 4);call write~int(sort_#t~mem7#1, sort_~x#1.base, sort_~x#1.offset + 4 * sort_~i~0#1, 4);havoc sort_#t~mem7#1;call write~int(sort_~temp~0#1, sort_~x#1.base, sort_~x#1.offset + 4 * (1 + sort_~i~0#1), 4);havoc sort_~temp~0#1; 829#L516-2 sort_#t~post3#1 := sort_~i~0#1;sort_~i~0#1 := 1 + sort_#t~post3#1;havoc sort_#t~post3#1; 821#L516-3 [2023-11-19 07:55:12,429 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:55:12,429 INFO L85 PathProgramCache]: Analyzing trace with hash 1850126805, now seen corresponding path program 2 times [2023-11-19 07:55:12,429 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:55:12,429 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [514703515] [2023-11-19 07:55:12,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:55:12,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:55:12,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:55:12,585 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:55:12,586 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:55:12,586 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [514703515] [2023-11-19 07:55:12,586 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [514703515] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 07:55:12,586 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [988060075] [2023-11-19 07:55:12,586 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-19 07:55:12,587 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:55:12,587 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63118670-7e8c-47bb-b8fd-92aa64c73361/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:55:12,588 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63118670-7e8c-47bb-b8fd-92aa64c73361/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:55:12,596 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63118670-7e8c-47bb-b8fd-92aa64c73361/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2023-11-19 07:55:12,668 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-19 07:55:12,668 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-19 07:55:12,669 INFO L262 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 07:55:12,670 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:55:12,716 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-19 07:55:12,716 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 07:55:12,755 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-19 07:55:12,755 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [988060075] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 07:55:12,755 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-19 07:55:12,755 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5, 5] total 13 [2023-11-19 07:55:12,756 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1325817515] [2023-11-19 07:55:12,756 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-19 07:55:12,756 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-19 07:55:12,756 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:55:12,757 INFO L85 PathProgramCache]: Analyzing trace with hash 68618, now seen corresponding path program 3 times [2023-11-19 07:55:12,757 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:55:12,758 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [405079016] [2023-11-19 07:55:12,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:55:12,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:55:12,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:55:12,769 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:55:12,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:55:12,774 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:55:12,874 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:55:12,875 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-19 07:55:12,875 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2023-11-19 07:55:12,875 INFO L87 Difference]: Start difference. First operand 22 states and 27 transitions. cyclomatic complexity: 8 Second operand has 13 states, 13 states have (on average 2.3846153846153846) internal successors, (31), 13 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:55:13,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:55:13,093 INFO L93 Difference]: Finished difference Result 45 states and 58 transitions. [2023-11-19 07:55:13,093 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 45 states and 58 transitions. [2023-11-19 07:55:13,094 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2023-11-19 07:55:13,094 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 45 states to 43 states and 56 transitions. [2023-11-19 07:55:13,094 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 16 [2023-11-19 07:55:13,095 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 16 [2023-11-19 07:55:13,095 INFO L73 IsDeterministic]: Start isDeterministic. Operand 43 states and 56 transitions. [2023-11-19 07:55:13,095 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-19 07:55:13,095 INFO L218 hiAutomatonCegarLoop]: Abstraction has 43 states and 56 transitions. [2023-11-19 07:55:13,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states and 56 transitions. [2023-11-19 07:55:13,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 25. [2023-11-19 07:55:13,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 25 states have (on average 1.24) internal successors, (31), 24 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:55:13,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 31 transitions. [2023-11-19 07:55:13,098 INFO L240 hiAutomatonCegarLoop]: Abstraction has 25 states and 31 transitions. [2023-11-19 07:55:13,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-19 07:55:13,098 INFO L428 stractBuchiCegarLoop]: Abstraction has 25 states and 31 transitions. [2023-11-19 07:55:13,098 INFO L335 stractBuchiCegarLoop]: ======== Iteration 10 ============ [2023-11-19 07:55:13,098 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 25 states and 31 transitions. [2023-11-19 07:55:13,099 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2023-11-19 07:55:13,099 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 07:55:13,099 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 07:55:13,100 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:55:13,100 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-19 07:55:13,100 INFO L748 eck$LassoCheckResult]: Stem: 1038#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 1039#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~malloc9#1.base, main_#t~malloc9#1.offset, main_#t~nondet11#1, main_#t~post10#1, main_~i~1#1, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;havoc main_#t~nondet8#1;main_~array_size~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1; 1023#L523 assume !(main_~array_size~0#1 < 1 || main_~array_size~0#1 % 4294967296 >= 536870911); 1024#L523-2 call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1 % 4294967296);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;main_~i~1#1 := 0; 1027#L528-3 assume !!(main_~i~1#1 < main_~array_size~0#1);havoc main_#t~nondet11#1;call write~int(main_#t~nondet11#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet11#1; 1028#L528-2 main_#t~post10#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 1029#L528-3 assume !!(main_~i~1#1 < main_~array_size~0#1);havoc main_#t~nondet11#1;call write~int(main_#t~nondet11#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet11#1; 1030#L528-2 main_#t~post10#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 1042#L528-3 assume !!(main_~i~1#1 < main_~array_size~0#1);havoc main_#t~nondet11#1;call write~int(main_#t~nondet11#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet11#1; 1045#L528-2 main_#t~post10#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 1044#L528-3 assume !(main_~i~1#1 < main_~array_size~0#1); 1025#L528-4 havoc main_~i~1#1;assume { :begin_inline_sort } true;sort_#in~x#1.base, sort_#in~x#1.offset, sort_#in~n#1 := main_~numbers~0#1.base, main_~numbers~0#1.offset, main_~array_size~0#1;havoc sort_#t~mem4#1, sort_#t~mem5#1, sort_#t~mem6#1, sort_#t~mem7#1, sort_~temp~0#1, sort_#t~post3#1, sort_#t~post2#1, sort_~x#1.base, sort_~x#1.offset, sort_~n#1, sort_~pass~0#1, sort_~i~0#1;sort_~x#1.base, sort_~x#1.offset := sort_#in~x#1.base, sort_#in~x#1.offset;sort_~n#1 := sort_#in~n#1;havoc sort_~pass~0#1;havoc sort_~i~0#1;sort_~pass~0#1 := 1; 1026#L515-3 assume !!(sort_~pass~0#1 < sort_~n#1);sort_~i~0#1 := 0; 1035#L516-3 assume !!(sort_~i~0#1 < sort_~n#1 - sort_~pass~0#1);call sort_#t~mem4#1 := read~int(sort_~x#1.base, sort_~x#1.offset + 4 * sort_~i~0#1, 4);call sort_#t~mem5#1 := read~int(sort_~x#1.base, sort_~x#1.offset + 4 * (1 + sort_~i~0#1), 4); 1047#L517 assume !(sort_#t~mem4#1 > sort_#t~mem5#1);havoc sort_#t~mem4#1;havoc sort_#t~mem5#1; 1041#L516-2 sort_#t~post3#1 := sort_~i~0#1;sort_~i~0#1 := 1 + sort_#t~post3#1;havoc sort_#t~post3#1; 1033#L516-3 assume !!(sort_~i~0#1 < sort_~n#1 - sort_~pass~0#1);call sort_#t~mem4#1 := read~int(sort_~x#1.base, sort_~x#1.offset + 4 * sort_~i~0#1, 4);call sort_#t~mem5#1 := read~int(sort_~x#1.base, sort_~x#1.offset + 4 * (1 + sort_~i~0#1), 4); 1034#L517 assume !(sort_#t~mem4#1 > sort_#t~mem5#1);havoc sort_#t~mem4#1;havoc sort_#t~mem5#1; 1043#L516-2 sort_#t~post3#1 := sort_~i~0#1;sort_~i~0#1 := 1 + sort_#t~post3#1;havoc sort_#t~post3#1; 1046#L516-3 assume !(sort_~i~0#1 < sort_~n#1 - sort_~pass~0#1); 1037#L515-2 sort_#t~post2#1 := sort_~pass~0#1;sort_~pass~0#1 := 1 + sort_#t~post2#1;havoc sort_#t~post2#1; 1036#L515-3 assume !!(sort_~pass~0#1 < sort_~n#1);sort_~i~0#1 := 0; 1031#L516-3 [2023-11-19 07:55:13,100 INFO L750 eck$LassoCheckResult]: Loop: 1031#L516-3 assume !!(sort_~i~0#1 < sort_~n#1 - sort_~pass~0#1);call sort_#t~mem4#1 := read~int(sort_~x#1.base, sort_~x#1.offset + 4 * sort_~i~0#1, 4);call sort_#t~mem5#1 := read~int(sort_~x#1.base, sort_~x#1.offset + 4 * (1 + sort_~i~0#1), 4); 1032#L517 assume sort_#t~mem4#1 > sort_#t~mem5#1;havoc sort_#t~mem4#1;havoc sort_#t~mem5#1;call sort_#t~mem6#1 := read~int(sort_~x#1.base, sort_~x#1.offset + 4 * sort_~i~0#1, 4);sort_~temp~0#1 := sort_#t~mem6#1;havoc sort_#t~mem6#1;call sort_#t~mem7#1 := read~int(sort_~x#1.base, sort_~x#1.offset + 4 * (1 + sort_~i~0#1), 4);call write~int(sort_#t~mem7#1, sort_~x#1.base, sort_~x#1.offset + 4 * sort_~i~0#1, 4);havoc sort_#t~mem7#1;call write~int(sort_~temp~0#1, sort_~x#1.base, sort_~x#1.offset + 4 * (1 + sort_~i~0#1), 4);havoc sort_~temp~0#1; 1040#L516-2 sort_#t~post3#1 := sort_~i~0#1;sort_~i~0#1 := 1 + sort_#t~post3#1;havoc sort_#t~post3#1; 1031#L516-3 [2023-11-19 07:55:13,100 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:55:13,100 INFO L85 PathProgramCache]: Analyzing trace with hash -135460634, now seen corresponding path program 3 times [2023-11-19 07:55:13,101 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:55:13,101 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1508993836] [2023-11-19 07:55:13,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:55:13,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:55:13,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:55:13,118 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:55:13,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:55:13,134 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:55:13,134 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:55:13,134 INFO L85 PathProgramCache]: Analyzing trace with hash 68618, now seen corresponding path program 4 times [2023-11-19 07:55:13,135 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:55:13,135 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1188888824] [2023-11-19 07:55:13,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:55:13,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:55:13,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:55:13,140 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:55:13,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:55:13,144 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:55:13,145 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:55:13,145 INFO L85 PathProgramCache]: Analyzing trace with hash 1761549573, now seen corresponding path program 1 times [2023-11-19 07:55:13,145 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:55:13,145 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [191328360] [2023-11-19 07:55:13,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:55:13,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:55:13,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:55:13,891 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 5 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 07:55:13,891 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:55:13,891 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [191328360] [2023-11-19 07:55:13,891 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [191328360] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 07:55:13,891 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [201070379] [2023-11-19 07:55:13,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:55:13,892 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:55:13,892 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63118670-7e8c-47bb-b8fd-92aa64c73361/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:55:13,894 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63118670-7e8c-47bb-b8fd-92aa64c73361/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:55:13,919 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63118670-7e8c-47bb-b8fd-92aa64c73361/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2023-11-19 07:55:13,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:55:13,978 INFO L262 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-19 07:55:13,980 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:55:14,089 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 07:55:14,090 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 [2023-11-19 07:55:14,105 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-19 07:55:14,105 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 07:55:14,236 INFO L349 Elim1Store]: treesize reduction 13, result has 62.9 percent of original size [2023-11-19 07:55:14,238 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 30 [2023-11-19 07:55:14,280 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 4 proven. 7 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-19 07:55:14,280 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [201070379] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 07:55:14,281 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-19 07:55:14,281 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 7, 7] total 20 [2023-11-19 07:55:14,281 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1262933620] [2023-11-19 07:55:14,281 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-19 07:55:14,392 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:55:14,393 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-11-19 07:55:14,393 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=303, Unknown=0, NotChecked=0, Total=380 [2023-11-19 07:55:14,394 INFO L87 Difference]: Start difference. First operand 25 states and 31 transitions. cyclomatic complexity: 9 Second operand has 20 states, 20 states have (on average 2.3) internal successors, (46), 20 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:55:14,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:55:14,661 INFO L93 Difference]: Finished difference Result 45 states and 58 transitions. [2023-11-19 07:55:14,661 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 45 states and 58 transitions. [2023-11-19 07:55:14,662 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2023-11-19 07:55:14,664 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 45 states to 45 states and 58 transitions. [2023-11-19 07:55:14,664 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 21 [2023-11-19 07:55:14,664 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 21 [2023-11-19 07:55:14,664 INFO L73 IsDeterministic]: Start isDeterministic. Operand 45 states and 58 transitions. [2023-11-19 07:55:14,665 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-19 07:55:14,665 INFO L218 hiAutomatonCegarLoop]: Abstraction has 45 states and 58 transitions. [2023-11-19 07:55:14,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states and 58 transitions. [2023-11-19 07:55:14,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 34. [2023-11-19 07:55:14,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 34 states have (on average 1.2647058823529411) internal successors, (43), 33 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:55:14,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 43 transitions. [2023-11-19 07:55:14,669 INFO L240 hiAutomatonCegarLoop]: Abstraction has 34 states and 43 transitions. [2023-11-19 07:55:14,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-19 07:55:14,670 INFO L428 stractBuchiCegarLoop]: Abstraction has 34 states and 43 transitions. [2023-11-19 07:55:14,670 INFO L335 stractBuchiCegarLoop]: ======== Iteration 11 ============ [2023-11-19 07:55:14,670 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 34 states and 43 transitions. [2023-11-19 07:55:14,671 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2023-11-19 07:55:14,671 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 07:55:14,671 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 07:55:14,672 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:55:14,672 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-19 07:55:14,672 INFO L748 eck$LassoCheckResult]: Stem: 1291#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 1292#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~malloc9#1.base, main_#t~malloc9#1.offset, main_#t~nondet11#1, main_#t~post10#1, main_~i~1#1, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;havoc main_#t~nondet8#1;main_~array_size~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1; 1279#L523 assume !(main_~array_size~0#1 < 1 || main_~array_size~0#1 % 4294967296 >= 536870911); 1280#L523-2 call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1 % 4294967296);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;main_~i~1#1 := 0; 1283#L528-3 assume !!(main_~i~1#1 < main_~array_size~0#1);havoc main_#t~nondet11#1;call write~int(main_#t~nondet11#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet11#1; 1284#L528-2 main_#t~post10#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 1285#L528-3 assume !!(main_~i~1#1 < main_~array_size~0#1);havoc main_#t~nondet11#1;call write~int(main_#t~nondet11#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet11#1; 1286#L528-2 main_#t~post10#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 1300#L528-3 assume !!(main_~i~1#1 < main_~array_size~0#1);havoc main_#t~nondet11#1;call write~int(main_#t~nondet11#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet11#1; 1304#L528-2 main_#t~post10#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 1303#L528-3 assume !(main_~i~1#1 < main_~array_size~0#1); 1281#L528-4 havoc main_~i~1#1;assume { :begin_inline_sort } true;sort_#in~x#1.base, sort_#in~x#1.offset, sort_#in~n#1 := main_~numbers~0#1.base, main_~numbers~0#1.offset, main_~array_size~0#1;havoc sort_#t~mem4#1, sort_#t~mem5#1, sort_#t~mem6#1, sort_#t~mem7#1, sort_~temp~0#1, sort_#t~post3#1, sort_#t~post2#1, sort_~x#1.base, sort_~x#1.offset, sort_~n#1, sort_~pass~0#1, sort_~i~0#1;sort_~x#1.base, sort_~x#1.offset := sort_#in~x#1.base, sort_#in~x#1.offset;sort_~n#1 := sort_#in~n#1;havoc sort_~pass~0#1;havoc sort_~i~0#1;sort_~pass~0#1 := 1; 1282#L515-3 assume !!(sort_~pass~0#1 < sort_~n#1);sort_~i~0#1 := 0; 1293#L516-3 assume !!(sort_~i~0#1 < sort_~n#1 - sort_~pass~0#1);call sort_#t~mem4#1 := read~int(sort_~x#1.base, sort_~x#1.offset + 4 * sort_~i~0#1, 4);call sort_#t~mem5#1 := read~int(sort_~x#1.base, sort_~x#1.offset + 4 * (1 + sort_~i~0#1), 4); 1306#L517 assume !(sort_#t~mem4#1 > sort_#t~mem5#1);havoc sort_#t~mem4#1;havoc sort_#t~mem5#1; 1299#L516-2 sort_#t~post3#1 := sort_~i~0#1;sort_~i~0#1 := 1 + sort_#t~post3#1;havoc sort_#t~post3#1; 1289#L516-3 assume !!(sort_~i~0#1 < sort_~n#1 - sort_~pass~0#1);call sort_#t~mem4#1 := read~int(sort_~x#1.base, sort_~x#1.offset + 4 * sort_~i~0#1, 4);call sort_#t~mem5#1 := read~int(sort_~x#1.base, sort_~x#1.offset + 4 * (1 + sort_~i~0#1), 4); 1290#L517 assume sort_#t~mem4#1 > sort_#t~mem5#1;havoc sort_#t~mem4#1;havoc sort_#t~mem5#1;call sort_#t~mem6#1 := read~int(sort_~x#1.base, sort_~x#1.offset + 4 * sort_~i~0#1, 4);sort_~temp~0#1 := sort_#t~mem6#1;havoc sort_#t~mem6#1;call sort_#t~mem7#1 := read~int(sort_~x#1.base, sort_~x#1.offset + 4 * (1 + sort_~i~0#1), 4);call write~int(sort_#t~mem7#1, sort_~x#1.base, sort_~x#1.offset + 4 * sort_~i~0#1, 4);havoc sort_#t~mem7#1;call write~int(sort_~temp~0#1, sort_~x#1.base, sort_~x#1.offset + 4 * (1 + sort_~i~0#1), 4);havoc sort_~temp~0#1; 1301#L516-2 sort_#t~post3#1 := sort_~i~0#1;sort_~i~0#1 := 1 + sort_#t~post3#1;havoc sort_#t~post3#1; 1310#L516-3 assume !(sort_~i~0#1 < sort_~n#1 - sort_~pass~0#1); 1309#L515-2 sort_#t~post2#1 := sort_~pass~0#1;sort_~pass~0#1 := 1 + sort_#t~post2#1;havoc sort_#t~post2#1; 1308#L515-3 assume !!(sort_~pass~0#1 < sort_~n#1);sort_~i~0#1 := 0; 1298#L516-3 [2023-11-19 07:55:14,672 INFO L750 eck$LassoCheckResult]: Loop: 1298#L516-3 assume !!(sort_~i~0#1 < sort_~n#1 - sort_~pass~0#1);call sort_#t~mem4#1 := read~int(sort_~x#1.base, sort_~x#1.offset + 4 * sort_~i~0#1, 4);call sort_#t~mem5#1 := read~int(sort_~x#1.base, sort_~x#1.offset + 4 * (1 + sort_~i~0#1), 4); 1312#L517 assume sort_#t~mem4#1 > sort_#t~mem5#1;havoc sort_#t~mem4#1;havoc sort_#t~mem5#1;call sort_#t~mem6#1 := read~int(sort_~x#1.base, sort_~x#1.offset + 4 * sort_~i~0#1, 4);sort_~temp~0#1 := sort_#t~mem6#1;havoc sort_#t~mem6#1;call sort_#t~mem7#1 := read~int(sort_~x#1.base, sort_~x#1.offset + 4 * (1 + sort_~i~0#1), 4);call write~int(sort_#t~mem7#1, sort_~x#1.base, sort_~x#1.offset + 4 * sort_~i~0#1, 4);havoc sort_#t~mem7#1;call write~int(sort_~temp~0#1, sort_~x#1.base, sort_~x#1.offset + 4 * (1 + sort_~i~0#1), 4);havoc sort_~temp~0#1; 1297#L516-2 sort_#t~post3#1 := sort_~i~0#1;sort_~i~0#1 := 1 + sort_#t~post3#1;havoc sort_#t~post3#1; 1298#L516-3 [2023-11-19 07:55:14,673 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:55:14,673 INFO L85 PathProgramCache]: Analyzing trace with hash -137307676, now seen corresponding path program 2 times [2023-11-19 07:55:14,673 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:55:14,673 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1396072058] [2023-11-19 07:55:14,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:55:14,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:55:14,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:55:14,689 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:55:14,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:55:14,703 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:55:14,704 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:55:14,704 INFO L85 PathProgramCache]: Analyzing trace with hash 68618, now seen corresponding path program 5 times [2023-11-19 07:55:14,704 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:55:14,705 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1082423881] [2023-11-19 07:55:14,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:55:14,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:55:14,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:55:14,709 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:55:14,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:55:14,714 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:55:14,714 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:55:14,714 INFO L85 PathProgramCache]: Analyzing trace with hash -1724071097, now seen corresponding path program 3 times [2023-11-19 07:55:14,714 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:55:14,715 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1044210147] [2023-11-19 07:55:14,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:55:14,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:55:14,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:55:14,737 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:55:14,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:55:14,775 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:55:16,783 INFO L210 LassoAnalysis]: Preferences: [2023-11-19 07:55:16,783 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-19 07:55:16,783 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-19 07:55:16,783 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-19 07:55:16,783 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-19 07:55:16,783 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:55:16,783 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-19 07:55:16,783 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-19 07:55:16,783 INFO L133 ssoRankerPreferences]: Filename of dumped script: java_BubbleSort-alloca-1.i_Iteration11_Lasso [2023-11-19 07:55:16,783 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-19 07:55:16,784 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-19 07:55:16,787 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:55:16,790 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:55:16,792 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:55:16,795 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:55:16,801 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:55:16,803 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:55:16,806 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:55:16,808 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:55:16,811 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:55:16,814 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:55:16,817 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:55:16,820 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:55:16,823 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:55:17,709 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:55:17,712 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:55:17,715 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:55:18,226 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-19 07:55:18,227 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-19 07:55:18,227 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:55:18,227 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63118670-7e8c-47bb-b8fd-92aa64c73361/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:55:18,229 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63118670-7e8c-47bb-b8fd-92aa64c73361/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:55:18,233 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:55:18,245 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:55:18,245 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:55:18,246 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:55:18,246 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:55:18,246 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:55:18,247 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:55:18,247 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:55:18,249 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63118670-7e8c-47bb-b8fd-92aa64c73361/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2023-11-19 07:55:18,256 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:55:18,271 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63118670-7e8c-47bb-b8fd-92aa64c73361/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2023-11-19 07:55:18,272 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:55:18,272 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63118670-7e8c-47bb-b8fd-92aa64c73361/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:55:18,273 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63118670-7e8c-47bb-b8fd-92aa64c73361/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:55:18,274 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63118670-7e8c-47bb-b8fd-92aa64c73361/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2023-11-19 07:55:18,274 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:55:18,284 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:55:18,284 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:55:18,284 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:55:18,284 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:55:18,284 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:55:18,284 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:55:18,284 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:55:18,286 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:55:18,297 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63118670-7e8c-47bb-b8fd-92aa64c73361/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2023-11-19 07:55:18,297 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:55:18,297 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63118670-7e8c-47bb-b8fd-92aa64c73361/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:55:18,298 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63118670-7e8c-47bb-b8fd-92aa64c73361/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:55:18,300 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63118670-7e8c-47bb-b8fd-92aa64c73361/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2023-11-19 07:55:18,300 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:55:18,310 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:55:18,310 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:55:18,310 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:55:18,310 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:55:18,311 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:55:18,311 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:55:18,311 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:55:18,312 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:55:18,324 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63118670-7e8c-47bb-b8fd-92aa64c73361/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2023-11-19 07:55:18,325 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:55:18,325 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63118670-7e8c-47bb-b8fd-92aa64c73361/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:55:18,326 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63118670-7e8c-47bb-b8fd-92aa64c73361/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:55:18,328 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:55:18,339 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63118670-7e8c-47bb-b8fd-92aa64c73361/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2023-11-19 07:55:18,340 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:55:18,340 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:55:18,340 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:55:18,340 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:55:18,340 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:55:18,341 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:55:18,341 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:55:18,342 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:55:18,353 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63118670-7e8c-47bb-b8fd-92aa64c73361/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2023-11-19 07:55:18,353 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:55:18,353 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63118670-7e8c-47bb-b8fd-92aa64c73361/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:55:18,354 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63118670-7e8c-47bb-b8fd-92aa64c73361/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:55:18,359 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:55:18,371 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:55:18,372 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:55:18,372 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:55:18,372 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:55:18,372 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:55:18,372 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:55:18,373 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:55:18,374 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63118670-7e8c-47bb-b8fd-92aa64c73361/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2023-11-19 07:55:18,382 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:55:18,401 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63118670-7e8c-47bb-b8fd-92aa64c73361/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2023-11-19 07:55:18,401 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:55:18,402 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63118670-7e8c-47bb-b8fd-92aa64c73361/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:55:18,403 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63118670-7e8c-47bb-b8fd-92aa64c73361/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:55:18,407 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:55:18,420 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:55:18,420 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:55:18,420 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:55:18,420 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:55:18,420 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:55:18,421 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:55:18,421 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:55:18,422 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63118670-7e8c-47bb-b8fd-92aa64c73361/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2023-11-19 07:55:18,432 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:55:18,455 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63118670-7e8c-47bb-b8fd-92aa64c73361/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2023-11-19 07:55:18,456 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:55:18,456 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63118670-7e8c-47bb-b8fd-92aa64c73361/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:55:18,457 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63118670-7e8c-47bb-b8fd-92aa64c73361/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:55:18,459 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:55:18,471 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:55:18,471 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:55:18,471 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:55:18,471 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:55:18,472 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:55:18,472 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:55:18,472 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:55:18,474 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63118670-7e8c-47bb-b8fd-92aa64c73361/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2023-11-19 07:55:18,482 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:55:18,505 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63118670-7e8c-47bb-b8fd-92aa64c73361/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2023-11-19 07:55:18,505 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:55:18,505 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63118670-7e8c-47bb-b8fd-92aa64c73361/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:55:18,507 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63118670-7e8c-47bb-b8fd-92aa64c73361/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:55:18,509 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:55:18,522 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:55:18,522 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:55:18,522 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:55:18,523 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:55:18,524 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:55:18,524 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:55:18,525 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63118670-7e8c-47bb-b8fd-92aa64c73361/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2023-11-19 07:55:18,535 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:55:18,553 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63118670-7e8c-47bb-b8fd-92aa64c73361/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2023-11-19 07:55:18,554 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:55:18,554 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63118670-7e8c-47bb-b8fd-92aa64c73361/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:55:18,555 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63118670-7e8c-47bb-b8fd-92aa64c73361/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:55:18,559 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:55:18,565 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63118670-7e8c-47bb-b8fd-92aa64c73361/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2023-11-19 07:55:18,570 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:55:18,570 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:55:18,570 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:55:18,571 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:55:18,571 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:55:18,571 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:55:18,571 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:55:18,572 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:55:18,583 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63118670-7e8c-47bb-b8fd-92aa64c73361/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Ended with exit code 0 [2023-11-19 07:55:18,584 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:55:18,584 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63118670-7e8c-47bb-b8fd-92aa64c73361/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:55:18,585 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63118670-7e8c-47bb-b8fd-92aa64c73361/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:55:18,586 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63118670-7e8c-47bb-b8fd-92aa64c73361/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2023-11-19 07:55:18,588 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:55:18,599 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:55:18,599 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:55:18,599 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:55:18,599 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:55:18,601 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:55:18,601 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:55:18,619 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:55:18,642 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63118670-7e8c-47bb-b8fd-92aa64c73361/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2023-11-19 07:55:18,642 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:55:18,642 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63118670-7e8c-47bb-b8fd-92aa64c73361/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:55:18,644 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63118670-7e8c-47bb-b8fd-92aa64c73361/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:55:18,647 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:55:18,659 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:55:18,659 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:55:18,660 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:55:18,660 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:55:18,660 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:55:18,660 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:55:18,661 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:55:18,662 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63118670-7e8c-47bb-b8fd-92aa64c73361/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2023-11-19 07:55:18,671 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:55:18,694 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63118670-7e8c-47bb-b8fd-92aa64c73361/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2023-11-19 07:55:18,694 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:55:18,694 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63118670-7e8c-47bb-b8fd-92aa64c73361/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:55:18,696 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63118670-7e8c-47bb-b8fd-92aa64c73361/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:55:18,714 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63118670-7e8c-47bb-b8fd-92aa64c73361/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2023-11-19 07:55:18,714 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:55:18,724 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:55:18,724 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:55:18,725 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:55:18,725 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:55:18,725 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:55:18,725 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:55:18,725 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:55:18,729 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:55:18,744 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63118670-7e8c-47bb-b8fd-92aa64c73361/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Ended with exit code 0 [2023-11-19 07:55:18,744 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:55:18,745 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63118670-7e8c-47bb-b8fd-92aa64c73361/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:55:18,745 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63118670-7e8c-47bb-b8fd-92aa64c73361/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:55:18,747 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:55:18,748 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63118670-7e8c-47bb-b8fd-92aa64c73361/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2023-11-19 07:55:18,757 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:55:18,758 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:55:18,758 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:55:18,758 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:55:18,763 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:55:18,763 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:55:18,774 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:55:18,788 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63118670-7e8c-47bb-b8fd-92aa64c73361/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2023-11-19 07:55:18,788 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:55:18,788 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63118670-7e8c-47bb-b8fd-92aa64c73361/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:55:18,789 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63118670-7e8c-47bb-b8fd-92aa64c73361/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:55:18,790 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63118670-7e8c-47bb-b8fd-92aa64c73361/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2023-11-19 07:55:18,794 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:55:18,804 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:55:18,804 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:55:18,804 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:55:18,804 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:55:18,806 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:55:18,806 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:55:18,810 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:55:18,822 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63118670-7e8c-47bb-b8fd-92aa64c73361/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Ended with exit code 0 [2023-11-19 07:55:18,822 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:55:18,822 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63118670-7e8c-47bb-b8fd-92aa64c73361/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:55:18,823 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63118670-7e8c-47bb-b8fd-92aa64c73361/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:55:18,824 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63118670-7e8c-47bb-b8fd-92aa64c73361/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2023-11-19 07:55:18,825 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:55:18,835 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:55:18,835 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:55:18,835 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:55:18,835 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:55:18,845 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:55:18,845 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:55:18,875 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:55:18,893 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63118670-7e8c-47bb-b8fd-92aa64c73361/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2023-11-19 07:55:18,894 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:55:18,894 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63118670-7e8c-47bb-b8fd-92aa64c73361/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:55:18,895 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63118670-7e8c-47bb-b8fd-92aa64c73361/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:55:18,903 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:55:18,914 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63118670-7e8c-47bb-b8fd-92aa64c73361/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2023-11-19 07:55:18,915 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:55:18,915 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:55:18,915 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:55:18,915 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:55:18,920 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:55:18,920 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:55:18,926 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:55:18,938 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63118670-7e8c-47bb-b8fd-92aa64c73361/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Ended with exit code 0 [2023-11-19 07:55:18,939 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:55:18,939 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63118670-7e8c-47bb-b8fd-92aa64c73361/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:55:18,940 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63118670-7e8c-47bb-b8fd-92aa64c73361/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:55:18,941 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63118670-7e8c-47bb-b8fd-92aa64c73361/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2023-11-19 07:55:18,942 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:55:18,952 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:55:18,952 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:55:18,952 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:55:18,952 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:55:18,954 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:55:18,954 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:55:18,958 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:55:18,969 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63118670-7e8c-47bb-b8fd-92aa64c73361/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Forceful destruction successful, exit code 0 [2023-11-19 07:55:18,970 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:55:18,970 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63118670-7e8c-47bb-b8fd-92aa64c73361/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:55:18,972 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63118670-7e8c-47bb-b8fd-92aa64c73361/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:55:18,974 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:55:18,981 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63118670-7e8c-47bb-b8fd-92aa64c73361/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2023-11-19 07:55:18,986 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:55:18,986 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:55:18,986 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:55:18,986 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:55:18,997 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:55:18,997 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:55:19,016 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-19 07:55:19,062 INFO L443 ModelExtractionUtils]: Simplification made 20 calls to the SMT solver. [2023-11-19 07:55:19,062 INFO L444 ModelExtractionUtils]: 6 out of 37 variables were initially zero. Simplification set additionally 25 variables to zero. [2023-11-19 07:55:19,062 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:55:19,063 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63118670-7e8c-47bb-b8fd-92aa64c73361/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:55:19,063 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63118670-7e8c-47bb-b8fd-92aa64c73361/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:55:19,065 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63118670-7e8c-47bb-b8fd-92aa64c73361/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2023-11-19 07:55:19,065 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-19 07:55:19,076 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2023-11-19 07:55:19,076 INFO L513 LassoAnalysis]: Proved termination. [2023-11-19 07:55:19,077 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_sort_~i~0#1, ULTIMATE.start_sort_#in~n#1, ULTIMATE.start_sort_~x#1.offset) = -4*ULTIMATE.start_sort_~i~0#1 + 4294967292*ULTIMATE.start_sort_#in~n#1 - 1*ULTIMATE.start_sort_~x#1.offset Supporting invariants [-1*v_rep(select #length ULTIMATE.start_sort_~x#1.base)_3 + 2147483646*ULTIMATE.start_sort_#in~n#1 >= 0] [2023-11-19 07:55:19,091 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63118670-7e8c-47bb-b8fd-92aa64c73361/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Ended with exit code 0 [2023-11-19 07:55:19,143 INFO L156 tatePredicateManager]: 10 out of 11 supporting invariants were superfluous and have been removed [2023-11-19 07:55:19,145 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: Expression ~x!offset has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-19 07:55:19,168 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:55:19,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:55:19,206 INFO L262 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-19 07:55:19,208 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:55:19,231 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-19 07:55:19,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:55:19,495 INFO L262 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 07:55:19,496 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:55:19,542 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:55:19,542 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.6 stem predicates 2 loop predicates [2023-11-19 07:55:19,543 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 34 states and 43 transitions. cyclomatic complexity: 12 Second operand has 8 states, 8 states have (on average 2.875) internal successors, (23), 8 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:55:19,727 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 34 states and 43 transitions. cyclomatic complexity: 12. Second operand has 8 states, 8 states have (on average 2.875) internal successors, (23), 8 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) Result 58 states and 78 transitions. Complement of second has 12 states. [2023-11-19 07:55:19,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 9 states 6 stem states 2 non-accepting loop states 1 accepting loop states [2023-11-19 07:55:19,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 2.875) internal successors, (23), 8 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:55:19,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 20 transitions. [2023-11-19 07:55:19,729 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 20 transitions. Stem has 22 letters. Loop has 3 letters. [2023-11-19 07:55:19,729 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 07:55:19,729 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2023-11-19 07:55:19,753 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:55:19,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:55:19,787 INFO L262 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-19 07:55:19,788 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:55:19,802 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-19 07:55:20,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:55:20,051 INFO L262 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 07:55:20,051 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:55:20,098 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:55:20,099 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.6 stem predicates 2 loop predicates [2023-11-19 07:55:20,099 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 34 states and 43 transitions. cyclomatic complexity: 12 Second operand has 8 states, 8 states have (on average 2.875) internal successors, (23), 8 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:55:20,294 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 34 states and 43 transitions. cyclomatic complexity: 12. Second operand has 8 states, 8 states have (on average 2.875) internal successors, (23), 8 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) Result 58 states and 78 transitions. Complement of second has 12 states. [2023-11-19 07:55:20,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 9 states 6 stem states 2 non-accepting loop states 1 accepting loop states [2023-11-19 07:55:20,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 2.875) internal successors, (23), 8 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:55:20,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 20 transitions. [2023-11-19 07:55:20,299 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 20 transitions. Stem has 22 letters. Loop has 3 letters. [2023-11-19 07:55:20,299 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 07:55:20,299 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2023-11-19 07:55:20,323 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:55:20,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:55:20,350 INFO L262 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-19 07:55:20,352 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:55:20,362 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-19 07:55:20,529 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63118670-7e8c-47bb-b8fd-92aa64c73361/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Forceful destruction successful, exit code 0 [2023-11-19 07:55:20,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:55:20,641 INFO L262 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 07:55:20,642 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:55:20,685 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:55:20,686 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 2 loop predicates [2023-11-19 07:55:20,686 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 34 states and 43 transitions. cyclomatic complexity: 12 Second operand has 8 states, 8 states have (on average 2.875) internal successors, (23), 8 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:55:20,871 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 34 states and 43 transitions. cyclomatic complexity: 12. Second operand has 8 states, 8 states have (on average 2.875) internal successors, (23), 8 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) Result 49 states and 66 transitions. Complement of second has 11 states. [2023-11-19 07:55:20,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 9 states 6 stem states 2 non-accepting loop states 1 accepting loop states [2023-11-19 07:55:20,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 2.875) internal successors, (23), 8 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:55:20,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 27 transitions. [2023-11-19 07:55:20,873 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 27 transitions. Stem has 22 letters. Loop has 3 letters. [2023-11-19 07:55:20,873 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 07:55:20,873 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 27 transitions. Stem has 25 letters. Loop has 3 letters. [2023-11-19 07:55:20,874 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 07:55:20,874 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 27 transitions. Stem has 22 letters. Loop has 6 letters. [2023-11-19 07:55:20,874 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 07:55:20,874 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 49 states and 66 transitions. [2023-11-19 07:55:20,875 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-19 07:55:20,875 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 49 states to 0 states and 0 transitions. [2023-11-19 07:55:20,875 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2023-11-19 07:55:20,875 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2023-11-19 07:55:20,875 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2023-11-19 07:55:20,875 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:55:20,875 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-19 07:55:20,875 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-19 07:55:20,876 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-19 07:55:20,876 INFO L335 stractBuchiCegarLoop]: ======== Iteration 12 ============ [2023-11-19 07:55:20,876 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2023-11-19 07:55:20,876 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-19 07:55:20,876 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2023-11-19 07:55:20,882 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 19.11 07:55:20 BoogieIcfgContainer [2023-11-19 07:55:20,882 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-11-19 07:55:20,883 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 07:55:20,884 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 07:55:20,884 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 07:55:20,884 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:55:04" (3/4) ... [2023-11-19 07:55:20,886 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 07:55:20,887 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 07:55:20,888 INFO L158 Benchmark]: Toolchain (without parser) took 17656.20ms. Allocated memory was 142.6MB in the beginning and 249.6MB in the end (delta: 107.0MB). Free memory was 96.8MB in the beginning and 180.0MB in the end (delta: -83.2MB). Peak memory consumption was 26.3MB. Max. memory is 16.1GB. [2023-11-19 07:55:20,888 INFO L158 Benchmark]: CDTParser took 0.66ms. Allocated memory is still 100.7MB. Free memory is still 51.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:55:20,889 INFO L158 Benchmark]: CACSL2BoogieTranslator took 481.66ms. Allocated memory is still 142.6MB. Free memory was 96.5MB in the beginning and 80.4MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-19 07:55:20,889 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.20ms. Allocated memory is still 142.6MB. Free memory was 80.4MB in the beginning and 78.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 07:55:20,889 INFO L158 Benchmark]: Boogie Preprocessor took 28.94ms. Allocated memory is still 142.6MB. Free memory was 78.4MB in the beginning and 77.3MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 07:55:20,890 INFO L158 Benchmark]: RCFGBuilder took 401.68ms. Allocated memory is still 142.6MB. Free memory was 77.0MB in the beginning and 107.3MB in the end (delta: -30.4MB). Peak memory consumption was 10.0MB. Max. memory is 16.1GB. [2023-11-19 07:55:20,890 INFO L158 Benchmark]: BuchiAutomizer took 16688.01ms. Allocated memory was 142.6MB in the beginning and 249.6MB in the end (delta: 107.0MB). Free memory was 107.3MB in the beginning and 180.0MB in the end (delta: -72.7MB). Peak memory consumption was 35.1MB. Max. memory is 16.1GB. [2023-11-19 07:55:20,890 INFO L158 Benchmark]: Witness Printer took 4.03ms. Allocated memory is still 249.6MB. Free memory is still 180.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:55:20,892 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.66ms. Allocated memory is still 100.7MB. Free memory is still 51.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 481.66ms. Allocated memory is still 142.6MB. Free memory was 96.5MB in the beginning and 80.4MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.20ms. Allocated memory is still 142.6MB. Free memory was 80.4MB in the beginning and 78.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.94ms. Allocated memory is still 142.6MB. Free memory was 78.4MB in the beginning and 77.3MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 401.68ms. Allocated memory is still 142.6MB. Free memory was 77.0MB in the beginning and 107.3MB in the end (delta: -30.4MB). Peak memory consumption was 10.0MB. Max. memory is 16.1GB. * BuchiAutomizer took 16688.01ms. Allocated memory was 142.6MB in the beginning and 249.6MB in the end (delta: 107.0MB). Free memory was 107.3MB in the beginning and 180.0MB in the end (delta: -72.7MB). Peak memory consumption was 35.1MB. Max. memory is 16.1GB. * Witness Printer took 4.03ms. Allocated memory is still 249.6MB. Free memory is still 180.0MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #length[~x!base] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression ~x!offset has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 11 terminating modules (7 trivial, 3 deterministic, 1 nondeterministic). One deterministic module has affine ranking function (array_size + (-1 * i)) and consists of 5 locations. One deterministic module has affine ranking function ((-1 * pass) + n) and consists of 3 locations. One deterministic module has affine ranking function null and consists of 6 locations. One nondeterministic module has affine ranking function null and consists of 9 locations. 7 modules have a trivial ranking function, the largest among these consists of 20 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 16.6s and 12 iterations. TraceHistogramMax:3. Analysis of lassos took 13.3s. Construction of modules took 0.4s. Büchi inclusion checks took 2.6s. Highest rank in rank-based complementation 3. Minimization of det autom 6. Minimization of nondet autom 5. Automata minimization 0.0s AutomataMinimizationTime, 10 MinimizatonAttempts, 39 StatesRemovedByMinimization, 7 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [3, 0, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 1/1 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 281 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 279 mSDsluCounter, 360 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 232 mSDsCounter, 56 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 566 IncrementalHoareTripleChecker+Invalid, 622 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 56 mSolverCounterUnsat, 128 mSDtfsCounter, 566 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc2 concLT0 SILN0 SILU3 SILI2 SILT0 lasso4 LassoPreprocessingBenchmarks: Lassos: inital240 mio100 ax109 hnf100 lsp88 ukn66 mio100 lsp51 div171 bol100 ite100 ukn100 eq159 hnf92 smp72 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 67ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2023-11-19 07:55:20,923 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63118670-7e8c-47bb-b8fd-92aa64c73361/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Forceful destruction successful, exit code 0 [2023-11-19 07:55:21,129 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63118670-7e8c-47bb-b8fd-92aa64c73361/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Forceful destruction successful, exit code 0 [2023-11-19 07:55:21,329 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63118670-7e8c-47bb-b8fd-92aa64c73361/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Ended with exit code 0 [2023-11-19 07:55:21,529 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63118670-7e8c-47bb-b8fd-92aa64c73361/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-11-19 07:55:21,721 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63118670-7e8c-47bb-b8fd-92aa64c73361/bin/uautomizer-verify-uCwYo4JHxu/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