./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-recursive-malloc/insertionSort_recursive.i --full-output --architecture 64bit -------------------------------------------------------------------------------- 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_7ba04b08-6125-4f22-a27a-3a2405027d32/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ba04b08-6125-4f22-a27a-3a2405027d32/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_7ba04b08-6125-4f22-a27a-3a2405027d32/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ba04b08-6125-4f22-a27a-3a2405027d32/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-recursive-malloc/insertionSort_recursive.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ba04b08-6125-4f22-a27a-3a2405027d32/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ba04b08-6125-4f22-a27a-3a2405027d32/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 64bit --witnessprinter.graph.data.programhash 1ae4a3f744c0a8577333c2c3dfb4ecaabbd2cf6e1675b06577194a98b8d1aee1 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 08:06:56,080 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 08:06:56,242 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ba04b08-6125-4f22-a27a-3a2405027d32/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Termination-64bit-Automizer_Default.epf [2023-11-19 08:06:56,249 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 08:06:56,250 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 08:06:56,299 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 08:06:56,300 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 08:06:56,301 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 08:06:56,303 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 08:06:56,309 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 08:06:56,311 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 08:06:56,312 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-19 08:06:56,312 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-19 08:06:56,315 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-19 08:06:56,315 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-19 08:06:56,316 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-19 08:06:56,317 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-19 08:06:56,318 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 08:06:56,319 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-19 08:06:56,319 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 08:06:56,320 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 08:06:56,321 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-19 08:06:56,321 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-19 08:06:56,322 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-19 08:06:56,323 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 08:06:56,323 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 08:06:56,324 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-19 08:06:56,324 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 08:06:56,325 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 08:06:56,326 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 08:06:56,328 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 08:06:56,328 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 08:06:56,329 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-19 08:06:56,329 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_7ba04b08-6125-4f22-a27a-3a2405027d32/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ba04b08-6125-4f22-a27a-3a2405027d32/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1ae4a3f744c0a8577333c2c3dfb4ecaabbd2cf6e1675b06577194a98b8d1aee1 [2023-11-19 08:06:56,598 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 08:06:56,626 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 08:06:56,629 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 08:06:56,630 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 08:06:56,630 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 08:06:56,634 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ba04b08-6125-4f22-a27a-3a2405027d32/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/termination-recursive-malloc/insertionSort_recursive.i [2023-11-19 08:06:59,763 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 08:07:00,175 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 08:07:00,176 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ba04b08-6125-4f22-a27a-3a2405027d32/sv-benchmarks/c/termination-recursive-malloc/insertionSort_recursive.i [2023-11-19 08:07:00,187 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ba04b08-6125-4f22-a27a-3a2405027d32/bin/uautomizer-verify-uCwYo4JHxu/data/dbba0e5f7/3cfa704463d34538ac6df33e86b7ba3b/FLAG653a68bfd [2023-11-19 08:07:00,212 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ba04b08-6125-4f22-a27a-3a2405027d32/bin/uautomizer-verify-uCwYo4JHxu/data/dbba0e5f7/3cfa704463d34538ac6df33e86b7ba3b [2023-11-19 08:07:00,219 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 08:07:00,222 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 08:07:00,226 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 08:07:00,227 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 08:07:00,234 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 08:07:00,235 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:07:00" (1/1) ... [2023-11-19 08:07:00,237 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57582885 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:07:00, skipping insertion in model container [2023-11-19 08:07:00,238 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:07:00" (1/1) ... [2023-11-19 08:07:00,268 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 08:07:00,500 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 08:07:00,517 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 08:07:00,540 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 08:07:00,561 INFO L206 MainTranslator]: Completed translation [2023-11-19 08:07:00,561 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:07:00 WrapperNode [2023-11-19 08:07:00,562 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 08:07:00,564 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 08:07:00,564 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 08:07:00,564 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 08:07:00,574 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:07:00" (1/1) ... [2023-11-19 08:07:00,583 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:07:00" (1/1) ... [2023-11-19 08:07:00,608 INFO L138 Inliner]: procedures = 11, calls = 12, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 27 [2023-11-19 08:07:00,609 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 08:07:00,610 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 08:07:00,610 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 08:07:00,611 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 08:07:00,624 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:07:00" (1/1) ... [2023-11-19 08:07:00,625 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:07:00" (1/1) ... [2023-11-19 08:07:00,627 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:07:00" (1/1) ... [2023-11-19 08:07:00,628 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:07:00" (1/1) ... [2023-11-19 08:07:00,636 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:07:00" (1/1) ... [2023-11-19 08:07:00,640 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:07:00" (1/1) ... [2023-11-19 08:07:00,642 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:07:00" (1/1) ... [2023-11-19 08:07:00,644 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:07:00" (1/1) ... [2023-11-19 08:07:00,646 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 08:07:00,648 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 08:07:00,648 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 08:07:00,648 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 08:07:00,649 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:07:00" (1/1) ... [2023-11-19 08:07:00,658 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 08:07:00,675 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ba04b08-6125-4f22-a27a-3a2405027d32/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:07:00,700 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ba04b08-6125-4f22-a27a-3a2405027d32/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 08:07:00,714 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ba04b08-6125-4f22-a27a-3a2405027d32/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-19 08:07:00,756 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 08:07:00,756 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 08:07:00,756 INFO L130 BoogieDeclarations]: Found specification of procedure insertionSort [2023-11-19 08:07:00,757 INFO L138 BoogieDeclarations]: Found implementation of procedure insertionSort [2023-11-19 08:07:00,757 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 08:07:00,757 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 08:07:00,758 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 08:07:00,759 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 08:07:00,872 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 08:07:00,876 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 08:07:01,206 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 08:07:01,216 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 08:07:01,217 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 08:07:01,223 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:07:01 BoogieIcfgContainer [2023-11-19 08:07:01,224 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 08:07:01,227 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-11-19 08:07:01,227 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-11-19 08:07:01,233 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-11-19 08:07:01,234 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-19 08:07:01,234 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 19.11 08:07:00" (1/3) ... [2023-11-19 08:07:01,235 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@45ef1ea4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 08:07:01, skipping insertion in model container [2023-11-19 08:07:01,236 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-19 08:07:01,236 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:07:00" (2/3) ... [2023-11-19 08:07:01,237 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@45ef1ea4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 08:07:01, skipping insertion in model container [2023-11-19 08:07:01,237 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-19 08:07:01,237 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:07:01" (3/3) ... [2023-11-19 08:07:01,239 INFO L332 chiAutomizerObserver]: Analyzing ICFG insertionSort_recursive.i [2023-11-19 08:07:01,336 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-11-19 08:07:01,336 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-11-19 08:07:01,336 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-11-19 08:07:01,337 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-11-19 08:07:01,337 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-11-19 08:07:01,338 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-11-19 08:07:01,338 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-11-19 08:07:01,339 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-11-19 08:07:01,345 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 22 states, 18 states have (on average 1.3888888888888888) internal successors, (25), 18 states have internal predecessors, (25), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-19 08:07:01,377 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 10 [2023-11-19 08:07:01,377 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 08:07:01,378 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 08:07:01,386 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2023-11-19 08:07:01,386 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-19 08:07:01,387 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-11-19 08:07:01,390 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 22 states, 18 states have (on average 1.3888888888888888) internal successors, (25), 18 states have internal predecessors, (25), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-19 08:07:01,398 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 10 [2023-11-19 08:07:01,398 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 08:07:01,398 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 08:07:01,399 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2023-11-19 08:07:01,399 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-19 08:07:01,411 INFO L748 eck$LassoCheckResult]: Stem: 18#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 8#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet7#1, main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~nondet10#1, main_#t~post9#1, main_~i~0#1, main_~n~0#1, main_~a~0#1.base, main_~a~0#1.offset;havoc main_#t~nondet7#1;main_~n~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1; 17#L28true assume !(main_~n~0#1 < 1);call main_#t~malloc8#1.base, main_#t~malloc8#1.offset := #Ultimate.allocOnHeap(4 * main_~n~0#1 % 18446744073709551616);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc8#1.base, main_#t~malloc8#1.offset;havoc main_#t~malloc8#1.base, main_#t~malloc8#1.offset;main_~i~0#1 := 0; 20#L33-3true [2023-11-19 08:07:01,412 INFO L750 eck$LassoCheckResult]: Loop: 20#L33-3true assume !!(main_~i~0#1 < main_~n~0#1);havoc main_#t~nondet10#1;call write~int(main_#t~nondet10#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet10#1; 7#L33-2true main_#t~post9#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 20#L33-3true [2023-11-19 08:07:01,422 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:07:01,423 INFO L85 PathProgramCache]: Analyzing trace with hash 60643, now seen corresponding path program 1 times [2023-11-19 08:07:01,436 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:07:01,437 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1405522995] [2023-11-19 08:07:01,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:07:01,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:07:01,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 08:07:01,587 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 08:07:01,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 08:07:01,640 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 08:07:01,645 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:07:01,646 INFO L85 PathProgramCache]: Analyzing trace with hash 2435, now seen corresponding path program 1 times [2023-11-19 08:07:01,646 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:07:01,647 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1072774436] [2023-11-19 08:07:01,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:07:01,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:07:01,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 08:07:01,681 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 08:07:01,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 08:07:01,703 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 08:07:01,717 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:07:01,718 INFO L85 PathProgramCache]: Analyzing trace with hash 58279397, now seen corresponding path program 1 times [2023-11-19 08:07:01,718 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:07:01,719 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [769781792] [2023-11-19 08:07:01,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:07:01,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:07:01,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 08:07:01,765 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 08:07:01,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 08:07:01,815 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 08:07:02,177 INFO L210 LassoAnalysis]: Preferences: [2023-11-19 08:07:02,178 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-19 08:07:02,178 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-19 08:07:02,178 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-19 08:07:02,179 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-19 08:07:02,179 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 08:07:02,179 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-19 08:07:02,179 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-19 08:07:02,179 INFO L133 ssoRankerPreferences]: Filename of dumped script: insertionSort_recursive.i_Iteration1_Lasso [2023-11-19 08:07:02,179 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-19 08:07:02,180 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-19 08:07:02,203 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 08:07:02,216 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 08:07:02,402 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 08:07:02,408 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 08:07:02,412 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 08:07:02,417 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 08:07:02,424 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 08:07:02,708 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-19 08:07:02,714 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-19 08:07:02,717 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 08:07:02,719 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ba04b08-6125-4f22-a27a-3a2405027d32/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:07:02,726 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ba04b08-6125-4f22-a27a-3a2405027d32/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 08:07:02,739 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 08:07:02,754 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ba04b08-6125-4f22-a27a-3a2405027d32/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2023-11-19 08:07:02,757 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 08:07:02,757 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 08:07:02,758 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 08:07:02,758 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 08:07:02,758 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 08:07:02,764 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 08:07:02,765 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 08:07:02,775 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 08:07:02,795 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ba04b08-6125-4f22-a27a-3a2405027d32/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2023-11-19 08:07:02,796 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 08:07:02,796 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ba04b08-6125-4f22-a27a-3a2405027d32/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:07:02,798 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ba04b08-6125-4f22-a27a-3a2405027d32/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 08:07:02,807 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ba04b08-6125-4f22-a27a-3a2405027d32/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2023-11-19 08:07:02,809 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 08:07:02,822 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 08:07:02,823 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 08:07:02,823 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 08:07:02,823 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 08:07:02,823 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 08:07:02,824 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 08:07:02,824 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 08:07:02,836 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 08:07:02,851 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ba04b08-6125-4f22-a27a-3a2405027d32/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2023-11-19 08:07:02,851 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 08:07:02,852 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ba04b08-6125-4f22-a27a-3a2405027d32/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:07:02,854 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ba04b08-6125-4f22-a27a-3a2405027d32/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 08:07:02,856 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ba04b08-6125-4f22-a27a-3a2405027d32/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2023-11-19 08:07:02,858 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 08:07:02,875 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 08:07:02,875 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 08:07:02,875 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 08:07:02,876 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 08:07:02,892 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 08:07:02,892 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 08:07:02,926 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-19 08:07:02,960 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2023-11-19 08:07:02,960 INFO L444 ModelExtractionUtils]: 2 out of 16 variables were initially zero. Simplification set additionally 10 variables to zero. [2023-11-19 08:07:02,962 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 08:07:02,963 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ba04b08-6125-4f22-a27a-3a2405027d32/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:07:03,001 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ba04b08-6125-4f22-a27a-3a2405027d32/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 08:07:03,011 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-19 08:07:03,026 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ba04b08-6125-4f22-a27a-3a2405027d32/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2023-11-19 08:07:03,047 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2023-11-19 08:07:03,048 INFO L513 LassoAnalysis]: Proved termination. [2023-11-19 08:07:03,048 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1, v_rep(select #length ULTIMATE.start_main_~a~0#1.base)_1) = -4*ULTIMATE.start_main_~i~0#1 + 1*v_rep(select #length ULTIMATE.start_main_~a~0#1.base)_1 Supporting invariants [1*ULTIMATE.start_main_~a~0#1.offset >= 0] [2023-11-19 08:07:03,077 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ba04b08-6125-4f22-a27a-3a2405027d32/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2023-11-19 08:07:03,091 INFO L156 tatePredicateManager]: 1 out of 2 supporting invariants were superfluous and have been removed [2023-11-19 08:07:03,105 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[~a~0!base] could not be translated [2023-11-19 08:07:03,150 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:07:03,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:07:03,173 INFO L262 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 08:07:03,174 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:07:03,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:07:03,197 INFO L262 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 08:07:03,198 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:07:03,240 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 08:07:03,302 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 08:07:03,305 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 22 states, 18 states have (on average 1.3888888888888888) internal successors, (25), 18 states have internal predecessors, (25), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:07:03,400 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 22 states, 18 states have (on average 1.3888888888888888) internal successors, (25), 18 states have internal predecessors, (25), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2). Second operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 45 states and 59 transitions. Complement of second has 9 states. [2023-11-19 08:07:03,402 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 08:07:03,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:07:03,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 31 transitions. [2023-11-19 08:07:03,411 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 31 transitions. Stem has 3 letters. Loop has 2 letters. [2023-11-19 08:07:03,411 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 08:07:03,412 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 31 transitions. Stem has 5 letters. Loop has 2 letters. [2023-11-19 08:07:03,412 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 08:07:03,412 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 31 transitions. Stem has 3 letters. Loop has 4 letters. [2023-11-19 08:07:03,412 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 08:07:03,413 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 45 states and 59 transitions. [2023-11-19 08:07:03,418 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2023-11-19 08:07:03,423 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 45 states to 16 states and 21 transitions. [2023-11-19 08:07:03,424 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2023-11-19 08:07:03,425 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14 [2023-11-19 08:07:03,426 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 21 transitions. [2023-11-19 08:07:03,426 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 08:07:03,426 INFO L218 hiAutomatonCegarLoop]: Abstraction has 16 states and 21 transitions. [2023-11-19 08:07:03,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states and 21 transitions. [2023-11-19 08:07:03,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2023-11-19 08:07:03,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 14 states have internal predecessors, (19), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:07:03,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 21 transitions. [2023-11-19 08:07:03,458 INFO L240 hiAutomatonCegarLoop]: Abstraction has 16 states and 21 transitions. [2023-11-19 08:07:03,458 INFO L428 stractBuchiCegarLoop]: Abstraction has 16 states and 21 transitions. [2023-11-19 08:07:03,459 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-11-19 08:07:03,459 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states and 21 transitions. [2023-11-19 08:07:03,460 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2023-11-19 08:07:03,460 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 08:07:03,460 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 08:07:03,461 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2023-11-19 08:07:03,461 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2023-11-19 08:07:03,461 INFO L748 eck$LassoCheckResult]: Stem: 138#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 132#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet7#1, main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~nondet10#1, main_#t~post9#1, main_~i~0#1, main_~n~0#1, main_~a~0#1.base, main_~a~0#1.offset;havoc main_#t~nondet7#1;main_~n~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1; 133#L28 assume !(main_~n~0#1 < 1);call main_#t~malloc8#1.base, main_#t~malloc8#1.offset := #Ultimate.allocOnHeap(4 * main_~n~0#1 % 18446744073709551616);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc8#1.base, main_#t~malloc8#1.offset;havoc main_#t~malloc8#1.base, main_#t~malloc8#1.offset;main_~i~0#1 := 0; 137#L33-3 assume !(main_~i~0#1 < main_~n~0#1); 123#L33-4 havoc main_~i~0#1; 124#L37 call insertionSort(0, main_~a~0#1.base, main_~a~0#1.offset, main_~n~0#1);< 125#$Ultimate##0 [2023-11-19 08:07:03,462 INFO L750 eck$LassoCheckResult]: Loop: 125#$Ultimate##0 ~i := #in~i;~array.base, ~array.offset := #in~array.base, #in~array.offset;~size := #in~size; 127#L10 assume ~i < ~size;havoc ~j~0;call #t~mem1 := read~int(~array.base, ~array.offset + 4 * ~i, 4);~temp~0 := #t~mem1;havoc #t~mem1;~j~0 := ~i; 129#L15-6 assume !true; 134#L15-7 call write~int(~temp~0, ~array.base, ~array.offset + 4 * ~j~0, 4);#t~pre6 := 1 + ~i;~i := 1 + ~i; 126#L19 call insertionSort(#t~pre6, ~array.base, ~array.offset, ~size);< 125#$Ultimate##0 [2023-11-19 08:07:03,462 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:07:03,463 INFO L85 PathProgramCache]: Analyzing trace with hash 1806659569, now seen corresponding path program 1 times [2023-11-19 08:07:03,463 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:07:03,463 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [427559695] [2023-11-19 08:07:03,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:07:03,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:07:03,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:07:03,563 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 08:07:03,564 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:07:03,564 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [427559695] [2023-11-19 08:07:03,565 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [427559695] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:07:03,565 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:07:03,566 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 08:07:03,566 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1392464977] [2023-11-19 08:07:03,567 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:07:03,569 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-19 08:07:03,570 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:07:03,570 INFO L85 PathProgramCache]: Analyzing trace with hash 28740468, now seen corresponding path program 1 times [2023-11-19 08:07:03,571 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:07:03,571 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [349914851] [2023-11-19 08:07:03,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:07:03,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:07:03,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:07:03,590 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 08:07:03,590 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:07:03,590 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [349914851] [2023-11-19 08:07:03,591 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [349914851] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:07:03,591 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:07:03,591 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 08:07:03,591 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [59488281] [2023-11-19 08:07:03,592 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:07:03,592 INFO L765 eck$LassoCheckResult]: loop already infeasible [2023-11-19 08:07:03,592 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:07:03,595 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 08:07:03,596 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 08:07:03,597 INFO L87 Difference]: Start difference. First operand 16 states and 21 transitions. cyclomatic complexity: 7 Second operand has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:07:03,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:07:03,604 INFO L93 Difference]: Finished difference Result 16 states and 20 transitions. [2023-11-19 08:07:03,604 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 16 states and 20 transitions. [2023-11-19 08:07:03,606 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2023-11-19 08:07:03,607 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 16 states to 16 states and 20 transitions. [2023-11-19 08:07:03,607 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14 [2023-11-19 08:07:03,607 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14 [2023-11-19 08:07:03,608 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 20 transitions. [2023-11-19 08:07:03,608 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 08:07:03,608 INFO L218 hiAutomatonCegarLoop]: Abstraction has 16 states and 20 transitions. [2023-11-19 08:07:03,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states and 20 transitions. [2023-11-19 08:07:03,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2023-11-19 08:07:03,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 14 states have (on average 1.2857142857142858) internal successors, (18), 14 states have internal predecessors, (18), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:07:03,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 20 transitions. [2023-11-19 08:07:03,612 INFO L240 hiAutomatonCegarLoop]: Abstraction has 16 states and 20 transitions. [2023-11-19 08:07:03,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 08:07:03,613 INFO L428 stractBuchiCegarLoop]: Abstraction has 16 states and 20 transitions. [2023-11-19 08:07:03,613 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2023-11-19 08:07:03,613 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states and 20 transitions. [2023-11-19 08:07:03,614 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2023-11-19 08:07:03,614 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 08:07:03,615 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 08:07:03,615 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2023-11-19 08:07:03,615 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:07:03,616 INFO L748 eck$LassoCheckResult]: Stem: 176#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 170#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet7#1, main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~nondet10#1, main_#t~post9#1, main_~i~0#1, main_~n~0#1, main_~a~0#1.base, main_~a~0#1.offset;havoc main_#t~nondet7#1;main_~n~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1; 171#L28 assume !(main_~n~0#1 < 1);call main_#t~malloc8#1.base, main_#t~malloc8#1.offset := #Ultimate.allocOnHeap(4 * main_~n~0#1 % 18446744073709551616);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc8#1.base, main_#t~malloc8#1.offset;havoc main_#t~malloc8#1.base, main_#t~malloc8#1.offset;main_~i~0#1 := 0; 175#L33-3 assume !(main_~i~0#1 < main_~n~0#1); 161#L33-4 havoc main_~i~0#1; 162#L37 call insertionSort(0, main_~a~0#1.base, main_~a~0#1.offset, main_~n~0#1);< 163#$Ultimate##0 [2023-11-19 08:07:03,616 INFO L750 eck$LassoCheckResult]: Loop: 163#$Ultimate##0 ~i := #in~i;~array.base, ~array.offset := #in~array.base, #in~array.offset;~size := #in~size; 165#L10 assume ~i < ~size;havoc ~j~0;call #t~mem1 := read~int(~array.base, ~array.offset + 4 * ~i, 4);~temp~0 := #t~mem1;havoc #t~mem1;~j~0 := ~i; 167#L15-6 #t~short4 := ~j~0 > 0; 172#L15-1 assume #t~short4;call #t~mem3 := read~int(~array.base, ~array.offset + 4 * (~j~0 - 1), 4);#t~short4 := #t~mem3 > ~temp~0; 173#L15-3 assume !#t~short4;havoc #t~mem3;havoc #t~short4; 174#L15-7 call write~int(~temp~0, ~array.base, ~array.offset + 4 * ~j~0, 4);#t~pre6 := 1 + ~i;~i := 1 + ~i; 164#L19 call insertionSort(#t~pre6, ~array.base, ~array.offset, ~size);< 163#$Ultimate##0 [2023-11-19 08:07:03,617 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:07:03,617 INFO L85 PathProgramCache]: Analyzing trace with hash 1806659569, now seen corresponding path program 2 times [2023-11-19 08:07:03,617 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:07:03,617 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2103981323] [2023-11-19 08:07:03,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:07:03,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:07:03,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:07:03,667 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 08:07:03,667 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:07:03,668 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2103981323] [2023-11-19 08:07:03,668 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2103981323] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:07:03,668 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:07:03,668 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 08:07:03,669 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [886538064] [2023-11-19 08:07:03,669 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:07:03,669 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-19 08:07:03,669 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:07:03,670 INFO L85 PathProgramCache]: Analyzing trace with hash 1835476523, now seen corresponding path program 1 times [2023-11-19 08:07:03,670 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:07:03,670 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1704838384] [2023-11-19 08:07:03,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:07:03,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:07:03,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 08:07:03,687 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 08:07:03,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 08:07:03,701 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 08:07:04,103 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ba04b08-6125-4f22-a27a-3a2405027d32/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2023-11-19 08:07:04,327 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:07:04,327 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 08:07:04,328 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 08:07:04,328 INFO L87 Difference]: Start difference. First operand 16 states and 20 transitions. cyclomatic complexity: 6 Second operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:07:04,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:07:04,342 INFO L93 Difference]: Finished difference Result 17 states and 20 transitions. [2023-11-19 08:07:04,342 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 17 states and 20 transitions. [2023-11-19 08:07:04,347 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2023-11-19 08:07:04,349 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 17 states to 17 states and 20 transitions. [2023-11-19 08:07:04,349 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14 [2023-11-19 08:07:04,349 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14 [2023-11-19 08:07:04,349 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 20 transitions. [2023-11-19 08:07:04,350 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 08:07:04,353 INFO L218 hiAutomatonCegarLoop]: Abstraction has 17 states and 20 transitions. [2023-11-19 08:07:04,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states and 20 transitions. [2023-11-19 08:07:04,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 16. [2023-11-19 08:07:04,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 14 states have (on average 1.2142857142857142) internal successors, (17), 14 states have internal predecessors, (17), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:07:04,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 19 transitions. [2023-11-19 08:07:04,355 INFO L240 hiAutomatonCegarLoop]: Abstraction has 16 states and 19 transitions. [2023-11-19 08:07:04,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 08:07:04,367 INFO L428 stractBuchiCegarLoop]: Abstraction has 16 states and 19 transitions. [2023-11-19 08:07:04,368 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2023-11-19 08:07:04,368 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states and 19 transitions. [2023-11-19 08:07:04,369 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2023-11-19 08:07:04,369 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 08:07:04,370 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 08:07:04,370 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:07:04,372 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:07:04,372 INFO L748 eck$LassoCheckResult]: Stem: 215#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 209#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet7#1, main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~nondet10#1, main_#t~post9#1, main_~i~0#1, main_~n~0#1, main_~a~0#1.base, main_~a~0#1.offset;havoc main_#t~nondet7#1;main_~n~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1; 210#L28 assume !(main_~n~0#1 < 1);call main_#t~malloc8#1.base, main_#t~malloc8#1.offset := #Ultimate.allocOnHeap(4 * main_~n~0#1 % 18446744073709551616);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc8#1.base, main_#t~malloc8#1.offset;havoc main_#t~malloc8#1.base, main_#t~malloc8#1.offset;main_~i~0#1 := 0; 214#L33-3 assume !!(main_~i~0#1 < main_~n~0#1);havoc main_#t~nondet10#1;call write~int(main_#t~nondet10#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet10#1; 207#L33-2 main_#t~post9#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 208#L33-3 assume !(main_~i~0#1 < main_~n~0#1); 204#L33-4 havoc main_~i~0#1; 202#L37 call insertionSort(0, main_~a~0#1.base, main_~a~0#1.offset, main_~n~0#1);< 200#$Ultimate##0 [2023-11-19 08:07:04,372 INFO L750 eck$LassoCheckResult]: Loop: 200#$Ultimate##0 ~i := #in~i;~array.base, ~array.offset := #in~array.base, #in~array.offset;~size := #in~size; 203#L10 assume ~i < ~size;havoc ~j~0;call #t~mem1 := read~int(~array.base, ~array.offset + 4 * ~i, 4);~temp~0 := #t~mem1;havoc #t~mem1;~j~0 := ~i; 206#L15-6 #t~short4 := ~j~0 > 0; 211#L15-1 assume #t~short4;call #t~mem3 := read~int(~array.base, ~array.offset + 4 * (~j~0 - 1), 4);#t~short4 := #t~mem3 > ~temp~0; 212#L15-3 assume !#t~short4;havoc #t~mem3;havoc #t~short4; 213#L15-7 call write~int(~temp~0, ~array.base, ~array.offset + 4 * ~j~0, 4);#t~pre6 := 1 + ~i;~i := 1 + ~i; 201#L19 call insertionSort(#t~pre6, ~array.base, ~array.offset, ~size);< 200#$Ultimate##0 [2023-11-19 08:07:04,373 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:07:04,374 INFO L85 PathProgramCache]: Analyzing trace with hash 1034772399, now seen corresponding path program 1 times [2023-11-19 08:07:04,374 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:07:04,374 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1900527295] [2023-11-19 08:07:04,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:07:04,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:07:04,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 08:07:04,396 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 08:07:04,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 08:07:04,423 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 08:07:04,427 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:07:04,427 INFO L85 PathProgramCache]: Analyzing trace with hash 1835476523, now seen corresponding path program 2 times [2023-11-19 08:07:04,427 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:07:04,428 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2072396365] [2023-11-19 08:07:04,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:07:04,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:07:04,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 08:07:04,453 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 08:07:04,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 08:07:04,475 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 08:07:04,476 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:07:04,476 INFO L85 PathProgramCache]: Analyzing trace with hash 231564989, now seen corresponding path program 1 times [2023-11-19 08:07:04,477 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:07:04,477 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [864762373] [2023-11-19 08:07:04,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:07:04,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:07:04,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:07:04,643 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 08:07:04,643 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:07:04,644 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [864762373] [2023-11-19 08:07:04,644 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [864762373] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:07:04,644 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:07:04,644 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-19 08:07:04,644 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1829499416] [2023-11-19 08:07:04,644 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:07:05,122 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:07:05,124 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-19 08:07:05,124 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-19 08:07:05,124 INFO L87 Difference]: Start difference. First operand 16 states and 19 transitions. cyclomatic complexity: 5 Second operand has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 5 states have internal predecessors, (13), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:07:05,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:07:05,208 INFO L93 Difference]: Finished difference Result 23 states and 26 transitions. [2023-11-19 08:07:05,208 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 23 states and 26 transitions. [2023-11-19 08:07:05,212 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2023-11-19 08:07:05,214 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 23 states to 23 states and 26 transitions. [2023-11-19 08:07:05,214 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 21 [2023-11-19 08:07:05,214 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 21 [2023-11-19 08:07:05,214 INFO L73 IsDeterministic]: Start isDeterministic. Operand 23 states and 26 transitions. [2023-11-19 08:07:05,215 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 08:07:05,215 INFO L218 hiAutomatonCegarLoop]: Abstraction has 23 states and 26 transitions. [2023-11-19 08:07:05,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states and 26 transitions. [2023-11-19 08:07:05,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 21. [2023-11-19 08:07:05,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 19 states have (on average 1.1578947368421053) internal successors, (22), 18 states have internal predecessors, (22), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:07:05,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 24 transitions. [2023-11-19 08:07:05,220 INFO L240 hiAutomatonCegarLoop]: Abstraction has 21 states and 24 transitions. [2023-11-19 08:07:05,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-19 08:07:05,227 INFO L428 stractBuchiCegarLoop]: Abstraction has 21 states and 24 transitions. [2023-11-19 08:07:05,227 INFO L335 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2023-11-19 08:07:05,227 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 21 states and 24 transitions. [2023-11-19 08:07:05,229 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2023-11-19 08:07:05,229 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 08:07:05,229 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 08:07:05,230 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:07:05,231 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:07:05,231 INFO L748 eck$LassoCheckResult]: Stem: 272#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 265#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet7#1, main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~nondet10#1, main_#t~post9#1, main_~i~0#1, main_~n~0#1, main_~a~0#1.base, main_~a~0#1.offset;havoc main_#t~nondet7#1;main_~n~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1; 266#L28 assume !(main_~n~0#1 < 1);call main_#t~malloc8#1.base, main_#t~malloc8#1.offset := #Ultimate.allocOnHeap(4 * main_~n~0#1 % 18446744073709551616);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc8#1.base, main_#t~malloc8#1.offset;havoc main_#t~malloc8#1.base, main_#t~malloc8#1.offset;main_~i~0#1 := 0; 271#L33-3 assume !!(main_~i~0#1 < main_~n~0#1);havoc main_#t~nondet10#1;call write~int(main_#t~nondet10#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet10#1; 263#L33-2 main_#t~post9#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 264#L33-3 assume !(main_~i~0#1 < main_~n~0#1); 256#L33-4 havoc main_~i~0#1; 257#L37 call insertionSort(0, main_~a~0#1.base, main_~a~0#1.offset, main_~n~0#1);< 258#$Ultimate##0 ~i := #in~i;~array.base, ~array.offset := #in~array.base, #in~array.offset;~size := #in~size; 259#L10 assume ~i < ~size;havoc ~j~0;call #t~mem1 := read~int(~array.base, ~array.offset + 4 * ~i, 4);~temp~0 := #t~mem1;havoc #t~mem1;~j~0 := ~i; 273#L15-6 #t~short4 := ~j~0 > 0; 267#L15-1 assume !#t~short4; 268#L15-3 assume !#t~short4;havoc #t~mem3;havoc #t~short4; 269#L15-7 [2023-11-19 08:07:05,231 INFO L750 eck$LassoCheckResult]: Loop: 269#L15-7 call write~int(~temp~0, ~array.base, ~array.offset + 4 * ~j~0, 4);#t~pre6 := 1 + ~i;~i := 1 + ~i; 261#L19 call insertionSort(#t~pre6, ~array.base, ~array.offset, ~size);< 270#$Ultimate##0 ~i := #in~i;~array.base, ~array.offset := #in~array.base, #in~array.offset;~size := #in~size; 276#L10 assume ~i < ~size;havoc ~j~0;call #t~mem1 := read~int(~array.base, ~array.offset + 4 * ~i, 4);~temp~0 := #t~mem1;havoc #t~mem1;~j~0 := ~i; 262#L15-6 #t~short4 := ~j~0 > 0; 275#L15-1 assume #t~short4;call #t~mem3 := read~int(~array.base, ~array.offset + 4 * (~j~0 - 1), 4);#t~short4 := #t~mem3 > ~temp~0; 274#L15-3 assume !#t~short4;havoc #t~mem3;havoc #t~short4; 269#L15-7 [2023-11-19 08:07:05,232 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:07:05,232 INFO L85 PathProgramCache]: Analyzing trace with hash -1921544551, now seen corresponding path program 1 times [2023-11-19 08:07:05,232 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:07:05,232 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1346151235] [2023-11-19 08:07:05,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:07:05,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:07:05,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 08:07:05,257 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 08:07:05,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 08:07:05,274 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 08:07:05,275 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:07:05,279 INFO L85 PathProgramCache]: Analyzing trace with hash -1066317913, now seen corresponding path program 3 times [2023-11-19 08:07:05,279 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:07:05,279 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [787790123] [2023-11-19 08:07:05,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:07:05,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:07:05,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 08:07:05,295 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 08:07:05,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 08:07:05,313 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 08:07:05,315 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:07:05,315 INFO L85 PathProgramCache]: Analyzing trace with hash 61906447, now seen corresponding path program 1 times [2023-11-19 08:07:05,315 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:07:05,316 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [284714307] [2023-11-19 08:07:05,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:07:05,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:07:05,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:07:05,555 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 08:07:05,555 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:07:05,555 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [284714307] [2023-11-19 08:07:05,556 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [284714307] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 08:07:05,556 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [796581809] [2023-11-19 08:07:05,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:07:05,556 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:07:05,556 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ba04b08-6125-4f22-a27a-3a2405027d32/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:07:05,557 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ba04b08-6125-4f22-a27a-3a2405027d32/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 08:07:05,582 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ba04b08-6125-4f22-a27a-3a2405027d32/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-19 08:07:05,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:07:05,637 INFO L262 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-19 08:07:05,639 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:07:05,796 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 08:07:05,797 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 08:07:05,936 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 08:07:05,936 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [796581809] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 08:07:05,936 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-19 08:07:05,936 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 18 [2023-11-19 08:07:05,938 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1457079635] [2023-11-19 08:07:05,938 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-19 08:07:06,725 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:07:06,725 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2023-11-19 08:07:06,726 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=255, Unknown=0, NotChecked=0, Total=306 [2023-11-19 08:07:06,726 INFO L87 Difference]: Start difference. First operand 21 states and 24 transitions. cyclomatic complexity: 5 Second operand has 18 states, 16 states have (on average 2.1875) internal successors, (35), 13 states have internal predecessors, (35), 3 states have call successors, (5), 5 states have call predecessors, (5), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:07:06,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:07:06,901 INFO L93 Difference]: Finished difference Result 35 states and 38 transitions. [2023-11-19 08:07:06,901 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 35 states and 38 transitions. [2023-11-19 08:07:06,903 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2023-11-19 08:07:06,903 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 35 states to 24 states and 27 transitions. [2023-11-19 08:07:06,903 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 19 [2023-11-19 08:07:06,904 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 19 [2023-11-19 08:07:06,904 INFO L73 IsDeterministic]: Start isDeterministic. Operand 24 states and 27 transitions. [2023-11-19 08:07:06,904 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 08:07:06,904 INFO L218 hiAutomatonCegarLoop]: Abstraction has 24 states and 27 transitions. [2023-11-19 08:07:06,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states and 27 transitions. [2023-11-19 08:07:06,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 23. [2023-11-19 08:07:06,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 21 states have (on average 1.1428571428571428) internal successors, (24), 20 states have internal predecessors, (24), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:07:06,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 26 transitions. [2023-11-19 08:07:06,907 INFO L240 hiAutomatonCegarLoop]: Abstraction has 23 states and 26 transitions. [2023-11-19 08:07:06,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-19 08:07:06,908 INFO L428 stractBuchiCegarLoop]: Abstraction has 23 states and 26 transitions. [2023-11-19 08:07:06,908 INFO L335 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2023-11-19 08:07:06,908 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 23 states and 26 transitions. [2023-11-19 08:07:06,909 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2023-11-19 08:07:06,909 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 08:07:06,909 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 08:07:06,910 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:07:06,910 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:07:06,910 INFO L748 eck$LassoCheckResult]: Stem: 474#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 466#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet7#1, main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~nondet10#1, main_#t~post9#1, main_~i~0#1, main_~n~0#1, main_~a~0#1.base, main_~a~0#1.offset;havoc main_#t~nondet7#1;main_~n~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1; 467#L28 assume !(main_~n~0#1 < 1);call main_#t~malloc8#1.base, main_#t~malloc8#1.offset := #Ultimate.allocOnHeap(4 * main_~n~0#1 % 18446744073709551616);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc8#1.base, main_#t~malloc8#1.offset;havoc main_#t~malloc8#1.base, main_#t~malloc8#1.offset;main_~i~0#1 := 0; 473#L33-3 assume !!(main_~i~0#1 < main_~n~0#1);havoc main_#t~nondet10#1;call write~int(main_#t~nondet10#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet10#1; 475#L33-2 main_#t~post9#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 476#L33-3 assume !!(main_~i~0#1 < main_~n~0#1);havoc main_#t~nondet10#1;call write~int(main_#t~nondet10#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet10#1; 464#L33-2 main_#t~post9#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 465#L33-3 assume !(main_~i~0#1 < main_~n~0#1); 460#L33-4 havoc main_~i~0#1; 461#L37 call insertionSort(0, main_~a~0#1.base, main_~a~0#1.offset, main_~n~0#1);< 470#$Ultimate##0 ~i := #in~i;~array.base, ~array.offset := #in~array.base, #in~array.offset;~size := #in~size; 479#L10 assume ~i < ~size;havoc ~j~0;call #t~mem1 := read~int(~array.base, ~array.offset + 4 * ~i, 4);~temp~0 := #t~mem1;havoc #t~mem1;~j~0 := ~i; 477#L15-6 #t~short4 := ~j~0 > 0; 478#L15-1 assume !#t~short4; 472#L15-3 assume !#t~short4;havoc #t~mem3;havoc #t~short4; 471#L15-7 [2023-11-19 08:07:06,911 INFO L750 eck$LassoCheckResult]: Loop: 471#L15-7 call write~int(~temp~0, ~array.base, ~array.offset + 4 * ~j~0, 4);#t~pre6 := 1 + ~i;~i := 1 + ~i; 458#L19 call insertionSort(#t~pre6, ~array.base, ~array.offset, ~size);< 457#$Ultimate##0 ~i := #in~i;~array.base, ~array.offset := #in~array.base, #in~array.offset;~size := #in~size; 459#L10 assume ~i < ~size;havoc ~j~0;call #t~mem1 := read~int(~array.base, ~array.offset + 4 * ~i, 4);~temp~0 := #t~mem1;havoc #t~mem1;~j~0 := ~i; 463#L15-6 #t~short4 := ~j~0 > 0; 468#L15-1 assume #t~short4;call #t~mem3 := read~int(~array.base, ~array.offset + 4 * (~j~0 - 1), 4);#t~short4 := #t~mem3 > ~temp~0; 469#L15-3 assume !#t~short4;havoc #t~mem3;havoc #t~short4; 471#L15-7 [2023-11-19 08:07:06,911 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:07:06,911 INFO L85 PathProgramCache]: Analyzing trace with hash 1188957467, now seen corresponding path program 2 times [2023-11-19 08:07:06,911 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:07:06,912 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [581012072] [2023-11-19 08:07:06,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:07:06,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:07:06,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 08:07:06,927 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 08:07:06,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 08:07:06,941 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 08:07:06,941 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:07:06,941 INFO L85 PathProgramCache]: Analyzing trace with hash -1066317913, now seen corresponding path program 4 times [2023-11-19 08:07:06,942 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:07:06,942 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [267171162] [2023-11-19 08:07:06,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:07:06,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:07:06,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 08:07:06,951 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 08:07:06,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 08:07:06,960 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 08:07:06,960 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:07:06,961 INFO L85 PathProgramCache]: Analyzing trace with hash -1611060915, now seen corresponding path program 2 times [2023-11-19 08:07:06,961 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:07:06,961 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2142285571] [2023-11-19 08:07:06,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:07:06,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:07:06,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 08:07:06,988 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 08:07:07,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 08:07:07,023 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 08:07:08,537 INFO L210 LassoAnalysis]: Preferences: [2023-11-19 08:07:08,537 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-19 08:07:08,538 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-19 08:07:08,538 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-19 08:07:08,538 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-19 08:07:08,538 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 08:07:08,538 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-19 08:07:08,538 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-19 08:07:08,538 INFO L133 ssoRankerPreferences]: Filename of dumped script: insertionSort_recursive.i_Iteration6_Lasso [2023-11-19 08:07:08,538 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-19 08:07:08,538 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-19 08:07:08,549 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 08:07:08,553 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 08:07:08,559 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 08:07:08,562 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 08:07:08,565 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 08:07:08,568 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 08:07:08,570 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 08:07:09,659 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 08:07:09,662 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 08:07:09,665 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 08:07:09,667 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 08:07:09,670 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 08:07:09,673 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 08:07:09,675 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 08:07:09,678 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 08:07:09,680 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 08:07:09,687 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 08:07:10,350 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-19 08:07:10,351 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-19 08:07:10,351 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 08:07:10,351 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ba04b08-6125-4f22-a27a-3a2405027d32/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:07:10,352 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ba04b08-6125-4f22-a27a-3a2405027d32/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 08:07:10,363 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ba04b08-6125-4f22-a27a-3a2405027d32/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2023-11-19 08:07:10,367 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 08:07:10,383 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 08:07:10,383 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 08:07:10,383 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 08:07:10,383 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 08:07:10,383 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 08:07:10,384 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 08:07:10,384 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 08:07:10,393 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 08:07:10,414 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ba04b08-6125-4f22-a27a-3a2405027d32/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2023-11-19 08:07:10,414 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 08:07:10,414 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ba04b08-6125-4f22-a27a-3a2405027d32/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:07:10,416 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ba04b08-6125-4f22-a27a-3a2405027d32/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 08:07:10,422 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 08:07:10,437 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 08:07:10,437 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 08:07:10,437 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 08:07:10,437 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 08:07:10,437 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 08:07:10,438 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 08:07:10,438 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 08:07:10,442 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ba04b08-6125-4f22-a27a-3a2405027d32/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2023-11-19 08:07:10,462 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 08:07:10,484 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ba04b08-6125-4f22-a27a-3a2405027d32/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2023-11-19 08:07:10,485 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 08:07:10,485 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ba04b08-6125-4f22-a27a-3a2405027d32/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:07:10,486 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ba04b08-6125-4f22-a27a-3a2405027d32/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 08:07:10,495 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 08:07:10,509 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 08:07:10,509 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 08:07:10,509 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 08:07:10,509 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 08:07:10,509 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 08:07:10,511 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 08:07:10,511 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 08:07:10,514 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ba04b08-6125-4f22-a27a-3a2405027d32/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2023-11-19 08:07:10,520 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 08:07:10,542 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ba04b08-6125-4f22-a27a-3a2405027d32/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2023-11-19 08:07:10,543 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 08:07:10,543 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ba04b08-6125-4f22-a27a-3a2405027d32/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:07:10,544 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ba04b08-6125-4f22-a27a-3a2405027d32/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 08:07:10,552 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 08:07:10,564 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 08:07:10,564 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 08:07:10,565 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 08:07:10,565 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 08:07:10,565 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 08:07:10,566 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 08:07:10,566 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 08:07:10,566 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ba04b08-6125-4f22-a27a-3a2405027d32/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2023-11-19 08:07:10,568 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 08:07:10,587 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ba04b08-6125-4f22-a27a-3a2405027d32/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2023-11-19 08:07:10,587 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 08:07:10,587 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ba04b08-6125-4f22-a27a-3a2405027d32/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:07:10,588 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ba04b08-6125-4f22-a27a-3a2405027d32/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 08:07:10,599 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 08:07:10,612 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 08:07:10,612 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 08:07:10,612 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 08:07:10,612 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 08:07:10,614 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ba04b08-6125-4f22-a27a-3a2405027d32/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2023-11-19 08:07:10,617 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 08:07:10,619 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 08:07:10,630 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 08:07:10,654 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ba04b08-6125-4f22-a27a-3a2405027d32/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2023-11-19 08:07:10,654 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 08:07:10,655 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ba04b08-6125-4f22-a27a-3a2405027d32/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:07:10,656 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ba04b08-6125-4f22-a27a-3a2405027d32/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 08:07:10,676 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ba04b08-6125-4f22-a27a-3a2405027d32/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2023-11-19 08:07:10,679 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 08:07:10,692 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 08:07:10,693 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 08:07:10,693 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 08:07:10,693 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 08:07:10,719 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 08:07:10,719 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 08:07:10,750 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 08:07:10,773 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ba04b08-6125-4f22-a27a-3a2405027d32/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2023-11-19 08:07:10,773 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 08:07:10,773 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ba04b08-6125-4f22-a27a-3a2405027d32/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:07:10,774 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ba04b08-6125-4f22-a27a-3a2405027d32/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 08:07:10,783 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 08:07:10,795 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 08:07:10,796 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 08:07:10,796 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 08:07:10,796 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 08:07:10,799 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ba04b08-6125-4f22-a27a-3a2405027d32/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2023-11-19 08:07:10,799 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 08:07:10,800 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 08:07:10,818 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 08:07:10,841 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ba04b08-6125-4f22-a27a-3a2405027d32/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2023-11-19 08:07:10,841 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 08:07:10,841 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ba04b08-6125-4f22-a27a-3a2405027d32/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:07:10,842 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ba04b08-6125-4f22-a27a-3a2405027d32/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 08:07:10,850 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 08:07:10,862 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 08:07:10,863 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 08:07:10,863 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 08:07:10,863 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 08:07:10,865 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ba04b08-6125-4f22-a27a-3a2405027d32/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2023-11-19 08:07:10,892 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 08:07:10,892 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 08:07:10,918 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-19 08:07:10,948 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2023-11-19 08:07:10,948 INFO L444 ModelExtractionUtils]: 19 out of 31 variables were initially zero. Simplification set additionally 9 variables to zero. [2023-11-19 08:07:10,949 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 08:07:10,949 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ba04b08-6125-4f22-a27a-3a2405027d32/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:07:10,952 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ba04b08-6125-4f22-a27a-3a2405027d32/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 08:07:10,958 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-19 08:07:10,970 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ba04b08-6125-4f22-a27a-3a2405027d32/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2023-11-19 08:07:10,976 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-11-19 08:07:10,976 INFO L513 LassoAnalysis]: Proved termination. [2023-11-19 08:07:10,976 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(insertionSort_~i, insertionSort_~size) = -1*insertionSort_~i + 1*insertionSort_~size Supporting invariants [] [2023-11-19 08:07:10,999 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ba04b08-6125-4f22-a27a-3a2405027d32/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2023-11-19 08:07:11,016 INFO L156 tatePredicateManager]: 5 out of 5 supporting invariants were superfluous and have been removed [2023-11-19 08:07:11,030 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:07:11,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:07:11,060 INFO L262 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 08:07:11,062 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:07:11,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:07:11,103 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-19 08:07:11,104 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:07:11,165 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 08:07:11,166 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 5 loop predicates [2023-11-19 08:07:11,166 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 23 states and 26 transitions. cyclomatic complexity: 5 Second operand has 6 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:07:11,224 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 23 states and 26 transitions. cyclomatic complexity: 5. Second operand has 6 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 36 states and 43 transitions. Complement of second has 14 states. [2023-11-19 08:07:11,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 1 stem states 4 non-accepting loop states 1 accepting loop states [2023-11-19 08:07:11,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:07:11,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 25 transitions. [2023-11-19 08:07:11,226 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 25 transitions. Stem has 15 letters. Loop has 7 letters. [2023-11-19 08:07:11,227 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 08:07:11,227 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 25 transitions. Stem has 22 letters. Loop has 7 letters. [2023-11-19 08:07:11,228 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 08:07:11,228 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 25 transitions. Stem has 15 letters. Loop has 14 letters. [2023-11-19 08:07:11,229 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 08:07:11,229 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 36 states and 43 transitions. [2023-11-19 08:07:11,230 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2023-11-19 08:07:11,231 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 36 states to 31 states and 37 transitions. [2023-11-19 08:07:11,231 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 16 [2023-11-19 08:07:11,232 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17 [2023-11-19 08:07:11,232 INFO L73 IsDeterministic]: Start isDeterministic. Operand 31 states and 37 transitions. [2023-11-19 08:07:11,232 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-19 08:07:11,232 INFO L218 hiAutomatonCegarLoop]: Abstraction has 31 states and 37 transitions. [2023-11-19 08:07:11,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states and 37 transitions. [2023-11-19 08:07:11,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 29. [2023-11-19 08:07:11,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 27 states have (on average 1.1851851851851851) internal successors, (32), 26 states have internal predecessors, (32), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:07:11,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 34 transitions. [2023-11-19 08:07:11,236 INFO L240 hiAutomatonCegarLoop]: Abstraction has 29 states and 34 transitions. [2023-11-19 08:07:11,236 INFO L428 stractBuchiCegarLoop]: Abstraction has 29 states and 34 transitions. [2023-11-19 08:07:11,236 INFO L335 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2023-11-19 08:07:11,236 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 29 states and 34 transitions. [2023-11-19 08:07:11,237 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2023-11-19 08:07:11,237 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 08:07:11,237 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 08:07:11,238 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:07:11,238 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2023-11-19 08:07:11,238 INFO L748 eck$LassoCheckResult]: Stem: 661#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 652#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet7#1, main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~nondet10#1, main_#t~post9#1, main_~i~0#1, main_~n~0#1, main_~a~0#1.base, main_~a~0#1.offset;havoc main_#t~nondet7#1;main_~n~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1; 653#L28 assume !(main_~n~0#1 < 1);call main_#t~malloc8#1.base, main_#t~malloc8#1.offset := #Ultimate.allocOnHeap(4 * main_~n~0#1 % 18446744073709551616);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc8#1.base, main_#t~malloc8#1.offset;havoc main_#t~malloc8#1.base, main_#t~malloc8#1.offset;main_~i~0#1 := 0; 660#L33-3 assume !!(main_~i~0#1 < main_~n~0#1);havoc main_#t~nondet10#1;call write~int(main_#t~nondet10#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet10#1; 650#L33-2 main_#t~post9#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 651#L33-3 assume !!(main_~i~0#1 < main_~n~0#1);havoc main_#t~nondet10#1;call write~int(main_#t~nondet10#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet10#1; 662#L33-2 main_#t~post9#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 666#L33-3 assume !(main_~i~0#1 < main_~n~0#1); 639#L33-4 havoc main_~i~0#1; 640#L37 call insertionSort(0, main_~a~0#1.base, main_~a~0#1.offset, main_~n~0#1);< 641#$Ultimate##0 ~i := #in~i;~array.base, ~array.offset := #in~array.base, #in~array.offset;~size := #in~size; 642#L10 assume ~i < ~size;havoc ~j~0;call #t~mem1 := read~int(~array.base, ~array.offset + 4 * ~i, 4);~temp~0 := #t~mem1;havoc #t~mem1;~j~0 := ~i; 663#L15-6 #t~short4 := ~j~0 > 0; 654#L15-1 assume !#t~short4; 655#L15-3 assume !#t~short4;havoc #t~mem3;havoc #t~short4; 658#L15-7 call write~int(~temp~0, ~array.base, ~array.offset + 4 * ~j~0, 4);#t~pre6 := 1 + ~i;~i := 1 + ~i; 644#L19 call insertionSort(#t~pre6, ~array.base, ~array.offset, ~size);< 643#$Ultimate##0 ~i := #in~i;~array.base, ~array.offset := #in~array.base, #in~array.offset;~size := #in~size; 645#L10 assume ~i < ~size;havoc ~j~0;call #t~mem1 := read~int(~array.base, ~array.offset + 4 * ~i, 4);~temp~0 := #t~mem1;havoc #t~mem1;~j~0 := ~i; 664#L15-6 #t~short4 := ~j~0 > 0; 665#L15-1 [2023-11-19 08:07:11,238 INFO L750 eck$LassoCheckResult]: Loop: 665#L15-1 assume #t~short4;call #t~mem3 := read~int(~array.base, ~array.offset + 4 * (~j~0 - 1), 4);#t~short4 := #t~mem3 > ~temp~0; 667#L15-3 assume !!#t~short4;havoc #t~mem3;havoc #t~short4;call #t~mem5 := read~int(~array.base, ~array.offset + 4 * (~j~0 - 1), 4);call write~int(#t~mem5, ~array.base, ~array.offset + 4 * ~j~0, 4);havoc #t~mem5; 646#L15-5 #t~post2 := ~j~0;~j~0 := #t~post2 - 1;havoc #t~post2; 647#L15-6 #t~short4 := ~j~0 > 0; 665#L15-1 [2023-11-19 08:07:11,239 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:07:11,239 INFO L85 PathProgramCache]: Analyzing trace with hash -1302233657, now seen corresponding path program 1 times [2023-11-19 08:07:11,239 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:07:11,239 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [638208317] [2023-11-19 08:07:11,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:07:11,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:07:11,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 08:07:11,258 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 08:07:11,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 08:07:11,274 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 08:07:11,275 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:07:11,275 INFO L85 PathProgramCache]: Analyzing trace with hash 1239356, now seen corresponding path program 1 times [2023-11-19 08:07:11,275 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:07:11,275 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1796682144] [2023-11-19 08:07:11,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:07:11,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:07:11,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 08:07:11,280 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 08:07:11,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 08:07:11,284 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 08:07:11,284 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:07:11,285 INFO L85 PathProgramCache]: Analyzing trace with hash -2041310206, now seen corresponding path program 1 times [2023-11-19 08:07:11,285 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:07:11,285 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1478225772] [2023-11-19 08:07:11,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:07:11,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:07:11,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 08:07:11,304 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 08:07:11,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 08:07:11,322 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 08:07:12,558 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ba04b08-6125-4f22-a27a-3a2405027d32/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2023-11-19 08:07:13,260 INFO L210 LassoAnalysis]: Preferences: [2023-11-19 08:07:13,260 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-19 08:07:13,260 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-19 08:07:13,260 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-19 08:07:13,260 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-19 08:07:13,260 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 08:07:13,261 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-19 08:07:13,261 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-19 08:07:13,261 INFO L133 ssoRankerPreferences]: Filename of dumped script: insertionSort_recursive.i_Iteration7_Lasso [2023-11-19 08:07:13,261 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-19 08:07:13,261 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-19 08:07:13,264 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 08:07:13,270 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 08:07:13,273 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 08:07:13,275 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 08:07:13,277 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 08:07:13,280 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 08:07:13,283 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 08:07:13,285 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 08:07:13,288 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 08:07:13,290 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 08:07:13,293 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 08:07:13,295 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 08:07:13,298 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 08:07:13,949 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 08:07:13,951 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 08:07:13,953 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 08:07:14,548 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-19 08:07:14,548 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-19 08:07:14,548 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 08:07:14,548 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ba04b08-6125-4f22-a27a-3a2405027d32/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:07:14,556 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ba04b08-6125-4f22-a27a-3a2405027d32/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 08:07:14,564 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 08:07:14,577 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 08:07:14,577 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 08:07:14,577 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 08:07:14,577 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 08:07:14,577 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 08:07:14,578 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 08:07:14,578 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 08:07:14,579 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ba04b08-6125-4f22-a27a-3a2405027d32/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2023-11-19 08:07:14,590 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 08:07:14,613 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ba04b08-6125-4f22-a27a-3a2405027d32/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2023-11-19 08:07:14,613 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 08:07:14,614 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ba04b08-6125-4f22-a27a-3a2405027d32/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:07:14,615 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ba04b08-6125-4f22-a27a-3a2405027d32/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 08:07:14,623 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 08:07:14,636 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 08:07:14,636 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 08:07:14,636 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 08:07:14,636 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 08:07:14,636 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 08:07:14,637 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 08:07:14,637 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 08:07:14,638 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ba04b08-6125-4f22-a27a-3a2405027d32/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2023-11-19 08:07:14,646 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 08:07:14,669 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ba04b08-6125-4f22-a27a-3a2405027d32/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2023-11-19 08:07:14,670 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 08:07:14,670 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ba04b08-6125-4f22-a27a-3a2405027d32/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:07:14,671 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ba04b08-6125-4f22-a27a-3a2405027d32/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 08:07:14,680 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 08:07:14,692 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 08:07:14,692 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 08:07:14,692 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 08:07:14,692 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 08:07:14,692 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 08:07:14,693 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 08:07:14,693 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 08:07:14,695 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ba04b08-6125-4f22-a27a-3a2405027d32/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2023-11-19 08:07:14,706 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 08:07:14,724 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ba04b08-6125-4f22-a27a-3a2405027d32/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2023-11-19 08:07:14,725 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 08:07:14,725 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ba04b08-6125-4f22-a27a-3a2405027d32/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:07:14,726 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ba04b08-6125-4f22-a27a-3a2405027d32/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 08:07:14,731 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 08:07:14,744 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 08:07:14,744 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 08:07:14,744 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 08:07:14,745 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 08:07:14,745 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 08:07:14,745 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 08:07:14,745 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 08:07:14,747 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ba04b08-6125-4f22-a27a-3a2405027d32/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2023-11-19 08:07:14,756 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 08:07:14,780 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ba04b08-6125-4f22-a27a-3a2405027d32/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2023-11-19 08:07:14,781 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 08:07:14,781 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ba04b08-6125-4f22-a27a-3a2405027d32/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:07:14,782 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ba04b08-6125-4f22-a27a-3a2405027d32/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 08:07:14,788 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ba04b08-6125-4f22-a27a-3a2405027d32/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2023-11-19 08:07:14,789 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 08:07:14,802 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 08:07:14,802 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 08:07:14,802 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 08:07:14,802 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 08:07:14,803 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 08:07:14,808 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 08:07:14,808 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 08:07:14,822 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 08:07:14,840 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ba04b08-6125-4f22-a27a-3a2405027d32/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2023-11-19 08:07:14,841 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 08:07:14,841 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ba04b08-6125-4f22-a27a-3a2405027d32/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:07:14,842 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ba04b08-6125-4f22-a27a-3a2405027d32/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 08:07:14,850 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ba04b08-6125-4f22-a27a-3a2405027d32/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2023-11-19 08:07:14,851 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 08:07:14,861 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 08:07:14,861 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 08:07:14,861 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 08:07:14,861 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 08:07:14,861 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 08:07:14,861 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 08:07:14,862 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 08:07:14,873 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 08:07:14,888 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ba04b08-6125-4f22-a27a-3a2405027d32/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2023-11-19 08:07:14,889 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 08:07:14,889 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ba04b08-6125-4f22-a27a-3a2405027d32/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:07:14,890 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ba04b08-6125-4f22-a27a-3a2405027d32/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 08:07:14,891 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ba04b08-6125-4f22-a27a-3a2405027d32/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2023-11-19 08:07:14,893 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 08:07:14,903 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 08:07:14,903 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 08:07:14,903 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 08:07:14,903 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 08:07:14,903 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 08:07:14,904 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 08:07:14,904 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 08:07:14,905 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 08:07:14,916 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ba04b08-6125-4f22-a27a-3a2405027d32/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2023-11-19 08:07:14,917 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 08:07:14,917 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ba04b08-6125-4f22-a27a-3a2405027d32/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:07:14,919 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ba04b08-6125-4f22-a27a-3a2405027d32/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 08:07:14,923 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 08:07:14,924 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ba04b08-6125-4f22-a27a-3a2405027d32/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2023-11-19 08:07:14,933 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 08:07:14,934 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 08:07:14,934 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 08:07:14,934 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 08:07:14,934 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 08:07:14,934 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 08:07:14,935 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 08:07:14,936 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 08:07:14,948 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ba04b08-6125-4f22-a27a-3a2405027d32/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Ended with exit code 0 [2023-11-19 08:07:14,948 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 08:07:14,948 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ba04b08-6125-4f22-a27a-3a2405027d32/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:07:14,949 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ba04b08-6125-4f22-a27a-3a2405027d32/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 08:07:14,950 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ba04b08-6125-4f22-a27a-3a2405027d32/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2023-11-19 08:07:14,952 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 08:07:14,962 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 08:07:14,962 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 08:07:14,962 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 08:07:14,962 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 08:07:14,962 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 08:07:14,963 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 08:07:14,963 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 08:07:14,964 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 08:07:14,978 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ba04b08-6125-4f22-a27a-3a2405027d32/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2023-11-19 08:07:14,978 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 08:07:14,978 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ba04b08-6125-4f22-a27a-3a2405027d32/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:07:14,980 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ba04b08-6125-4f22-a27a-3a2405027d32/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 08:07:14,982 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 08:07:14,986 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ba04b08-6125-4f22-a27a-3a2405027d32/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2023-11-19 08:07:14,992 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 08:07:14,992 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 08:07:14,992 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 08:07:14,993 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 08:07:14,993 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 08:07:14,993 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 08:07:14,993 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 08:07:14,994 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 08:07:15,006 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ba04b08-6125-4f22-a27a-3a2405027d32/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2023-11-19 08:07:15,007 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 08:07:15,007 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ba04b08-6125-4f22-a27a-3a2405027d32/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:07:15,008 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ba04b08-6125-4f22-a27a-3a2405027d32/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 08:07:15,017 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 08:07:15,020 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ba04b08-6125-4f22-a27a-3a2405027d32/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2023-11-19 08:07:15,028 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 08:07:15,028 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 08:07:15,028 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2023-11-19 08:07:15,028 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 08:07:15,056 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2023-11-19 08:07:15,057 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2023-11-19 08:07:15,136 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-19 08:07:15,291 INFO L443 ModelExtractionUtils]: Simplification made 18 calls to the SMT solver. [2023-11-19 08:07:15,291 INFO L444 ModelExtractionUtils]: 26 out of 56 variables were initially zero. Simplification set additionally 27 variables to zero. [2023-11-19 08:07:15,291 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 08:07:15,292 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ba04b08-6125-4f22-a27a-3a2405027d32/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:07:15,293 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ba04b08-6125-4f22-a27a-3a2405027d32/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 08:07:15,294 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ba04b08-6125-4f22-a27a-3a2405027d32/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2023-11-19 08:07:15,294 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-19 08:07:15,306 INFO L438 nArgumentSynthesizer]: Removed 4 redundant supporting invariants from a total of 4. [2023-11-19 08:07:15,306 INFO L513 LassoAnalysis]: Proved termination. [2023-11-19 08:07:15,307 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(insertionSort_~array.offset, insertionSort_~j~0) = 1*insertionSort_~array.offset + 4*insertionSort_~j~0 Supporting invariants [] [2023-11-19 08:07:15,323 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ba04b08-6125-4f22-a27a-3a2405027d32/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Ended with exit code 0 [2023-11-19 08:07:15,339 INFO L156 tatePredicateManager]: 6 out of 6 supporting invariants were superfluous and have been removed [2023-11-19 08:07:15,341 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: Expression ~array!offset has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-19 08:07:15,358 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:07:15,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:07:15,401 INFO L262 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 08:07:15,406 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:07:15,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:07:15,456 INFO L262 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 08:07:15,457 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:07:15,508 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 08:07:15,511 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2023-11-19 08:07:15,511 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 29 states and 34 transitions. cyclomatic complexity: 8 Second operand has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:07:15,524 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 29 states and 34 transitions. cyclomatic complexity: 8. Second operand has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 33 states and 38 transitions. Complement of second has 6 states. [2023-11-19 08:07:15,524 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 08:07:15,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:07:15,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 14 transitions. [2023-11-19 08:07:15,527 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 14 transitions. Stem has 20 letters. Loop has 4 letters. [2023-11-19 08:07:15,527 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 08:07:15,527 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2023-11-19 08:07:15,539 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:07:15,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:07:15,574 INFO L262 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 08:07:15,577 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:07:15,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:07:15,622 INFO L262 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 08:07:15,622 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:07:15,677 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 08:07:15,678 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 3 loop predicates [2023-11-19 08:07:15,679 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 29 states and 34 transitions. cyclomatic complexity: 8 Second operand has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:07:15,692 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 29 states and 34 transitions. cyclomatic complexity: 8. Second operand has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 33 states and 38 transitions. Complement of second has 6 states. [2023-11-19 08:07:15,692 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 08:07:15,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:07:15,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 14 transitions. [2023-11-19 08:07:15,698 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 14 transitions. Stem has 20 letters. Loop has 4 letters. [2023-11-19 08:07:15,698 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 08:07:15,698 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2023-11-19 08:07:15,709 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:07:15,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:07:15,743 INFO L262 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 08:07:15,748 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:07:15,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:07:15,789 INFO L262 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 08:07:15,790 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:07:15,831 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 08:07:15,832 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2023-11-19 08:07:15,832 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 29 states and 34 transitions. cyclomatic complexity: 8 Second operand has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:07:15,876 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 29 states and 34 transitions. cyclomatic complexity: 8. Second operand has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 52 states and 66 transitions. Complement of second has 9 states. [2023-11-19 08:07:15,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2023-11-19 08:07:15,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:07:15,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 31 transitions. [2023-11-19 08:07:15,878 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 31 transitions. Stem has 20 letters. Loop has 4 letters. [2023-11-19 08:07:15,878 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 08:07:15,878 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 31 transitions. Stem has 24 letters. Loop has 4 letters. [2023-11-19 08:07:15,879 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 08:07:15,879 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 31 transitions. Stem has 20 letters. Loop has 8 letters. [2023-11-19 08:07:15,880 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 08:07:15,880 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 52 states and 66 transitions. [2023-11-19 08:07:15,881 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-19 08:07:15,881 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 52 states to 0 states and 0 transitions. [2023-11-19 08:07:15,882 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2023-11-19 08:07:15,882 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2023-11-19 08:07:15,882 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2023-11-19 08:07:15,882 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 08:07:15,882 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-19 08:07:15,882 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-19 08:07:15,883 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-19 08:07:15,883 INFO L335 stractBuchiCegarLoop]: ======== Iteration 8 ============ [2023-11-19 08:07:15,883 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2023-11-19 08:07:15,883 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-19 08:07:15,883 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2023-11-19 08:07:15,890 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 19.11 08:07:15 BoogieIcfgContainer [2023-11-19 08:07:15,890 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-11-19 08:07:15,891 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 08:07:15,891 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 08:07:15,891 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 08:07:15,892 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:07:01" (3/4) ... [2023-11-19 08:07:15,895 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 08:07:15,896 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 08:07:15,896 INFO L158 Benchmark]: Toolchain (without parser) took 15674.33ms. Allocated memory was 144.7MB in the beginning and 272.6MB in the end (delta: 127.9MB). Free memory was 113.8MB in the beginning and 142.2MB in the end (delta: -28.4MB). Peak memory consumption was 102.6MB. Max. memory is 16.1GB. [2023-11-19 08:07:15,897 INFO L158 Benchmark]: CDTParser took 0.76ms. Allocated memory is still 144.7MB. Free memory is still 106.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 08:07:15,897 INFO L158 Benchmark]: CACSL2BoogieTranslator took 336.31ms. Allocated memory is still 144.7MB. Free memory was 113.8MB in the beginning and 103.7MB in the end (delta: 10.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 08:07:15,898 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.85ms. Allocated memory is still 144.7MB. Free memory was 103.7MB in the beginning and 102.1MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 08:07:15,898 INFO L158 Benchmark]: Boogie Preprocessor took 36.57ms. Allocated memory is still 144.7MB. Free memory was 102.1MB in the beginning and 100.9MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 08:07:15,899 INFO L158 Benchmark]: RCFGBuilder took 578.26ms. Allocated memory is still 144.7MB. Free memory was 100.9MB in the beginning and 89.5MB in the end (delta: 11.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 08:07:15,899 INFO L158 Benchmark]: BuchiAutomizer took 14663.11ms. Allocated memory was 144.7MB in the beginning and 272.6MB in the end (delta: 127.9MB). Free memory was 89.5MB in the beginning and 143.3MB in the end (delta: -53.7MB). Peak memory consumption was 75.4MB. Max. memory is 16.1GB. [2023-11-19 08:07:15,899 INFO L158 Benchmark]: Witness Printer took 4.97ms. Allocated memory is still 272.6MB. Free memory was 143.3MB in the beginning and 142.2MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 08:07:15,902 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.76ms. Allocated memory is still 144.7MB. Free memory is still 106.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 336.31ms. Allocated memory is still 144.7MB. Free memory was 113.8MB in the beginning and 103.7MB in the end (delta: 10.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.85ms. Allocated memory is still 144.7MB. Free memory was 103.7MB in the beginning and 102.1MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.57ms. Allocated memory is still 144.7MB. Free memory was 102.1MB in the beginning and 100.9MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 578.26ms. Allocated memory is still 144.7MB. Free memory was 100.9MB in the beginning and 89.5MB in the end (delta: 11.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 14663.11ms. Allocated memory was 144.7MB in the beginning and 272.6MB in the end (delta: 127.9MB). Free memory was 89.5MB in the beginning and 143.3MB in the end (delta: -53.7MB). Peak memory consumption was 75.4MB. Max. memory is 16.1GB. * Witness Printer took 4.97ms. Allocated memory is still 272.6MB. Free memory was 143.3MB in the beginning and 142.2MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #length[~a~0!base] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression ~array!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 7 terminating modules (4 trivial, 2 deterministic, 1 nondeterministic). One deterministic module has affine ranking function null and consists of 5 locations. One deterministic module has affine ranking function (size + (-1 * i)) and consists of 6 locations. One nondeterministic module has affine ranking function null and consists of 4 locations. 4 modules have a trivial ranking function, the largest among these consists of 18 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 14.5s and 8 iterations. TraceHistogramMax:2. Analysis of lassos took 12.9s. Construction of modules took 0.1s. Büchi inclusion checks took 1.2s. Highest rank in rank-based complementation 3. Minimization of det autom 6. Minimization of nondet autom 1. Automata minimization 0.0s AutomataMinimizationTime, 6 MinimizatonAttempts, 6 StatesRemovedByMinimization, 4 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [2, 0, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 116 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 112 mSDsluCounter, 333 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 196 mSDsCounter, 16 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 178 IncrementalHoareTripleChecker+Invalid, 194 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 16 mSolverCounterUnsat, 137 mSDtfsCounter, 178 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc2 concLT0 SILN0 SILU1 SILI1 SILT0 lasso3 LassoPreprocessingBenchmarks: Lassos: inital170 mio100 ax100 hnf100 lsp101 ukn84 mio100 lsp54 div141 bol101 ite100 ukn100 eq162 hnf92 smp82 dnf137 smp87 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 299ms VariablesStem: 12 VariablesLoop: 9 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 4 MotzkinApplications: 16 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 08:07:15,928 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ba04b08-6125-4f22-a27a-3a2405027d32/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2023-11-19 08:07:16,139 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ba04b08-6125-4f22-a27a-3a2405027d32/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-11-19 08:07:16,331 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ba04b08-6125-4f22-a27a-3a2405027d32/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