./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/insertionsort-alloca-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 0e0057cc 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_679c59e3-b2f2-4f77-ab00-4578755052cd/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_679c59e3-b2f2-4f77-ab00-4578755052cd/bin/uautomizer-verify-VRDe98Ueme/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_679c59e3-b2f2-4f77-ab00-4578755052cd/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_679c59e3-b2f2-4f77-ab00-4578755052cd/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/insertionsort-alloca-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_679c59e3-b2f2-4f77-ab00-4578755052cd/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_679c59e3-b2f2-4f77-ab00-4578755052cd/bin/uautomizer-verify-VRDe98Ueme --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 de7da20d4eaaa585438f85709f7fd309a77ec10ab7307dad72c7fb2392cc347c --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 10:42:06,788 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 10:42:06,912 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_679c59e3-b2f2-4f77-ab00-4578755052cd/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Termination-64bit-Automizer_Default.epf [2023-11-26 10:42:06,924 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 10:42:06,924 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 10:42:06,971 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 10:42:06,973 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 10:42:06,973 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 10:42:06,975 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-26 10:42:06,980 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-26 10:42:06,982 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 10:42:06,982 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 10:42:06,983 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 10:42:06,985 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-26 10:42:06,986 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-26 10:42:06,986 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-26 10:42:06,986 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-26 10:42:06,987 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-26 10:42:06,988 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-26 10:42:06,988 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 10:42:06,989 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-26 10:42:06,991 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-26 10:42:06,991 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 10:42:06,992 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-26 10:42:06,992 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-26 10:42:06,993 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-26 10:42:06,993 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-26 10:42:06,994 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 10:42:06,994 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-26 10:42:06,994 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 10:42:06,996 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 10:42:06,996 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 10:42:06,997 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 10:42:06,997 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-26 10:42:06,998 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-26 10:42:06,998 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_679c59e3-b2f2-4f77-ab00-4578755052cd/bin/uautomizer-verify-VRDe98Ueme/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_679c59e3-b2f2-4f77-ab00-4578755052cd/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> de7da20d4eaaa585438f85709f7fd309a77ec10ab7307dad72c7fb2392cc347c [2023-11-26 10:42:07,281 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 10:42:07,319 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 10:42:07,322 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 10:42:07,324 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 10:42:07,324 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 10:42:07,326 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_679c59e3-b2f2-4f77-ab00-4578755052cd/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/termination-memory-alloca/insertionsort-alloca-2.i [2023-11-26 10:42:10,465 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 10:42:10,788 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 10:42:10,788 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_679c59e3-b2f2-4f77-ab00-4578755052cd/sv-benchmarks/c/termination-memory-alloca/insertionsort-alloca-2.i [2023-11-26 10:42:10,804 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_679c59e3-b2f2-4f77-ab00-4578755052cd/bin/uautomizer-verify-VRDe98Ueme/data/7eef5cebb/a16de409facf43a98f90e8c9967aad16/FLAG177305552 [2023-11-26 10:42:10,820 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_679c59e3-b2f2-4f77-ab00-4578755052cd/bin/uautomizer-verify-VRDe98Ueme/data/7eef5cebb/a16de409facf43a98f90e8c9967aad16 [2023-11-26 10:42:10,822 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 10:42:10,824 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 10:42:10,828 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 10:42:10,829 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 10:42:10,835 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 10:42:10,836 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 10:42:10" (1/1) ... [2023-11-26 10:42:10,837 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a39fb7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:42:10, skipping insertion in model container [2023-11-26 10:42:10,837 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 10:42:10" (1/1) ... [2023-11-26 10:42:10,901 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 10:42:11,235 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 10:42:11,248 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 10:42:11,288 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 10:42:11,320 INFO L206 MainTranslator]: Completed translation [2023-11-26 10:42:11,323 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:42:11 WrapperNode [2023-11-26 10:42:11,323 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 10:42:11,324 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 10:42:11,325 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 10:42:11,325 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 10:42:11,334 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:42:11" (1/1) ... [2023-11-26 10:42:11,358 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:42:11" (1/1) ... [2023-11-26 10:42:11,387 INFO L138 Inliner]: procedures = 111, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 54 [2023-11-26 10:42:11,388 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 10:42:11,389 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 10:42:11,389 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 10:42:11,389 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 10:42:11,401 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:42:11" (1/1) ... [2023-11-26 10:42:11,401 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:42:11" (1/1) ... [2023-11-26 10:42:11,419 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:42:11" (1/1) ... [2023-11-26 10:42:11,433 INFO L175 MemorySlicer]: Split 5 memory accesses to 1 slices as follows [5]. 100 percent of accesses are in the largest equivalence class. The 0 initializations are split as follows [0]. The 2 writes are split as follows [2]. [2023-11-26 10:42:11,440 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:42:11" (1/1) ... [2023-11-26 10:42:11,441 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:42:11" (1/1) ... [2023-11-26 10:42:11,454 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:42:11" (1/1) ... [2023-11-26 10:42:11,458 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:42:11" (1/1) ... [2023-11-26 10:42:11,461 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:42:11" (1/1) ... [2023-11-26 10:42:11,463 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:42:11" (1/1) ... [2023-11-26 10:42:11,465 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 10:42:11,470 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 10:42:11,474 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 10:42:11,474 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 10:42:11,475 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:42:11" (1/1) ... [2023-11-26 10:42:11,489 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:42:11,504 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_679c59e3-b2f2-4f77-ab00-4578755052cd/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:42:11,518 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_679c59e3-b2f2-4f77-ab00-4578755052cd/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:42:11,568 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_679c59e3-b2f2-4f77-ab00-4578755052cd/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-26 10:42:11,600 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-11-26 10:42:11,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-26 10:42:11,601 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-26 10:42:11,602 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-26 10:42:11,602 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 10:42:11,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 10:42:11,768 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 10:42:11,772 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 10:42:11,950 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 10:42:11,959 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 10:42:11,959 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-26 10:42:11,960 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 10:42:11 BoogieIcfgContainer [2023-11-26 10:42:11,960 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 10:42:11,962 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-11-26 10:42:11,962 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-11-26 10:42:11,966 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-11-26 10:42:11,966 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-26 10:42:11,967 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 26.11 10:42:10" (1/3) ... [2023-11-26 10:42:11,968 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7039f94c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.11 10:42:11, skipping insertion in model container [2023-11-26 10:42:11,968 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-26 10:42:11,968 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:42:11" (2/3) ... [2023-11-26 10:42:11,972 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7039f94c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.11 10:42:11, skipping insertion in model container [2023-11-26 10:42:11,972 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-26 10:42:11,972 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 10:42:11" (3/3) ... [2023-11-26 10:42:11,974 INFO L332 chiAutomizerObserver]: Analyzing ICFG insertionsort-alloca-2.i [2023-11-26 10:42:12,031 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-11-26 10:42:12,031 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-11-26 10:42:12,031 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-11-26 10:42:12,031 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-11-26 10:42:12,031 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-11-26 10:42:12,031 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-11-26 10:42:12,032 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-11-26 10:42:12,032 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-11-26 10:42:12,035 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 15 states, 14 states have (on average 1.4285714285714286) internal successors, (20), 14 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:42:12,051 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2023-11-26 10:42:12,051 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 10:42:12,052 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 10:42:12,056 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2023-11-26 10:42:12,056 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2023-11-26 10:42:12,056 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-11-26 10:42:12,056 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 15 states, 14 states have (on average 1.4285714285714286) internal successors, (20), 14 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:42:12,058 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2023-11-26 10:42:12,058 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 10:42:12,059 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 10:42:12,059 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2023-11-26 10:42:12,059 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2023-11-26 10:42:12,066 INFO L748 eck$LassoCheckResult]: Stem: 14#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 8#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~malloc9#1.base, main_#t~malloc9#1.offset, main_~array_size~0#1, main_~a~0#1.base, main_~a~0#1.offset;havoc main_#t~nondet8#1;main_~array_size~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1; 6#L560true assume !(main_~array_size~0#1 < 1); 13#L560-2true call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1 % 18446744073709551616);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;assume { :begin_inline_insertionSort } true;insertionSort_#in~a#1.base, insertionSort_#in~a#1.offset, insertionSort_#in~array_size#1 := main_~a~0#1.base, main_~a~0#1.offset, main_~array_size~0#1;havoc insertionSort_#t~mem3#1, insertionSort_#t~mem7#1, insertionSort_#t~post4#1, insertionSort_#t~mem5#1, insertionSort_#t~short6#1, insertionSort_#t~pre2#1, insertionSort_~a#1.base, insertionSort_~a#1.offset, insertionSort_~array_size#1, insertionSort_~i~0#1, insertionSort_~j~0#1, insertionSort_~index~0#1;insertionSort_~a#1.base, insertionSort_~a#1.offset := insertionSort_#in~a#1.base, insertionSort_#in~a#1.offset;insertionSort_~array_size#1 := insertionSort_#in~array_size#1;havoc insertionSort_~i~0#1;havoc insertionSort_~j~0#1;havoc insertionSort_~index~0#1;insertionSort_~i~0#1 := 1; 7#L550-3true [2023-11-26 10:42:12,066 INFO L750 eck$LassoCheckResult]: Loop: 7#L550-3true assume !!(insertionSort_~i~0#1 < insertionSort_~array_size#1);call insertionSort_#t~mem3#1 := read~int#0(insertionSort_~a#1.base, insertionSort_~a#1.offset + 4 * insertionSort_~i~0#1, 4);insertionSort_~index~0#1 := insertionSort_#t~mem3#1;havoc insertionSort_#t~mem3#1;insertionSort_~j~0#1 := insertionSort_~i~0#1; 2#L553-6true assume !true; 11#L553-7true call write~int#0(insertionSort_~index~0#1, insertionSort_~a#1.base, insertionSort_~a#1.offset + 4 * insertionSort_~j~0#1, 4); 15#L550-2true insertionSort_#t~pre2#1 := 1 + insertionSort_~i~0#1;insertionSort_~i~0#1 := 1 + insertionSort_~i~0#1;havoc insertionSort_#t~pre2#1; 7#L550-3true [2023-11-26 10:42:12,071 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:42:12,071 INFO L85 PathProgramCache]: Analyzing trace with hash 925669, now seen corresponding path program 1 times [2023-11-26 10:42:12,080 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:42:12,081 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1280267824] [2023-11-26 10:42:12,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:42:12,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:42:12,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:42:12,175 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 10:42:12,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:42:12,207 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 10:42:12,210 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:42:12,211 INFO L85 PathProgramCache]: Analyzing trace with hash 1465782, now seen corresponding path program 1 times [2023-11-26 10:42:12,211 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:42:12,211 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1484058684] [2023-11-26 10:42:12,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:42:12,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:42:12,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:42:12,261 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 10:42:12,261 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:42:12,262 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1484058684] [2023-11-26 10:42:12,262 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1484058684] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:42:12,262 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:42:12,262 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 10:42:12,263 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1144676559] [2023-11-26 10:42:12,263 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:42:12,266 INFO L765 eck$LassoCheckResult]: loop already infeasible [2023-11-26 10:42:12,267 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:42:12,297 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-26 10:42:12,297 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-26 10:42:12,299 INFO L87 Difference]: Start difference. First operand has 15 states, 14 states have (on average 1.4285714285714286) internal successors, (20), 14 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:42:12,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:42:12,304 INFO L93 Difference]: Finished difference Result 15 states and 18 transitions. [2023-11-26 10:42:12,306 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 15 states and 18 transitions. [2023-11-26 10:42:12,307 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2023-11-26 10:42:12,312 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 15 states to 11 states and 14 transitions. [2023-11-26 10:42:12,313 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2023-11-26 10:42:12,313 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2023-11-26 10:42:12,314 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 14 transitions. [2023-11-26 10:42:12,314 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 10:42:12,314 INFO L218 hiAutomatonCegarLoop]: Abstraction has 11 states and 14 transitions. [2023-11-26 10:42:12,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states and 14 transitions. [2023-11-26 10:42:12,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2023-11-26 10:42:12,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 11 states have (on average 1.2727272727272727) internal successors, (14), 10 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:42:12,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 14 transitions. [2023-11-26 10:42:12,340 INFO L240 hiAutomatonCegarLoop]: Abstraction has 11 states and 14 transitions. [2023-11-26 10:42:12,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-26 10:42:12,345 INFO L428 stractBuchiCegarLoop]: Abstraction has 11 states and 14 transitions. [2023-11-26 10:42:12,345 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-11-26 10:42:12,345 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states and 14 transitions. [2023-11-26 10:42:12,346 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2023-11-26 10:42:12,346 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 10:42:12,346 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 10:42:12,347 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2023-11-26 10:42:12,347 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2023-11-26 10:42:12,347 INFO L748 eck$LassoCheckResult]: Stem: 47#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 48#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~malloc9#1.base, main_#t~malloc9#1.offset, main_~array_size~0#1, main_~a~0#1.base, main_~a~0#1.offset;havoc main_#t~nondet8#1;main_~array_size~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1; 44#L560 assume !(main_~array_size~0#1 < 1); 45#L560-2 call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1 % 18446744073709551616);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;assume { :begin_inline_insertionSort } true;insertionSort_#in~a#1.base, insertionSort_#in~a#1.offset, insertionSort_#in~array_size#1 := main_~a~0#1.base, main_~a~0#1.offset, main_~array_size~0#1;havoc insertionSort_#t~mem3#1, insertionSort_#t~mem7#1, insertionSort_#t~post4#1, insertionSort_#t~mem5#1, insertionSort_#t~short6#1, insertionSort_#t~pre2#1, insertionSort_~a#1.base, insertionSort_~a#1.offset, insertionSort_~array_size#1, insertionSort_~i~0#1, insertionSort_~j~0#1, insertionSort_~index~0#1;insertionSort_~a#1.base, insertionSort_~a#1.offset := insertionSort_#in~a#1.base, insertionSort_#in~a#1.offset;insertionSort_~array_size#1 := insertionSort_#in~array_size#1;havoc insertionSort_~i~0#1;havoc insertionSort_~j~0#1;havoc insertionSort_~index~0#1;insertionSort_~i~0#1 := 1; 46#L550-3 [2023-11-26 10:42:12,348 INFO L750 eck$LassoCheckResult]: Loop: 46#L550-3 assume !!(insertionSort_~i~0#1 < insertionSort_~array_size#1);call insertionSort_#t~mem3#1 := read~int#0(insertionSort_~a#1.base, insertionSort_~a#1.offset + 4 * insertionSort_~i~0#1, 4);insertionSort_~index~0#1 := insertionSort_#t~mem3#1;havoc insertionSort_#t~mem3#1;insertionSort_~j~0#1 := insertionSort_~i~0#1; 38#L553-6 insertionSort_#t~short6#1 := insertionSort_~j~0#1 > 0; 39#L553-1 assume insertionSort_#t~short6#1;call insertionSort_#t~mem5#1 := read~int#0(insertionSort_~a#1.base, insertionSort_~a#1.offset + 4 * (insertionSort_~j~0#1 - 1), 4);insertionSort_#t~short6#1 := insertionSort_#t~mem5#1 > insertionSort_~index~0#1; 42#L553-3 assume !insertionSort_#t~short6#1;havoc insertionSort_#t~mem5#1;havoc insertionSort_#t~short6#1; 40#L553-7 call write~int#0(insertionSort_~index~0#1, insertionSort_~a#1.base, insertionSort_~a#1.offset + 4 * insertionSort_~j~0#1, 4); 41#L550-2 insertionSort_#t~pre2#1 := 1 + insertionSort_~i~0#1;insertionSort_~i~0#1 := 1 + insertionSort_~i~0#1;havoc insertionSort_#t~pre2#1; 46#L550-3 [2023-11-26 10:42:12,348 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:42:12,348 INFO L85 PathProgramCache]: Analyzing trace with hash 925669, now seen corresponding path program 2 times [2023-11-26 10:42:12,349 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:42:12,349 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [169046428] [2023-11-26 10:42:12,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:42:12,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:42:12,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:42:12,369 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 10:42:12,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:42:12,388 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 10:42:12,389 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:42:12,390 INFO L85 PathProgramCache]: Analyzing trace with hash 1394338221, now seen corresponding path program 1 times [2023-11-26 10:42:12,390 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:42:12,390 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1387731385] [2023-11-26 10:42:12,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:42:12,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:42:12,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:42:12,428 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 10:42:12,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:42:12,447 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 10:42:12,448 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:42:12,449 INFO L85 PathProgramCache]: Analyzing trace with hash -1897689455, now seen corresponding path program 1 times [2023-11-26 10:42:12,449 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:42:12,449 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [386267654] [2023-11-26 10:42:12,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:42:12,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:42:12,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:42:12,483 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 10:42:12,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:42:12,514 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 10:42:13,124 INFO L210 LassoAnalysis]: Preferences: [2023-11-26 10:42:13,125 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-26 10:42:13,125 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-26 10:42:13,125 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-26 10:42:13,126 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-26 10:42:13,126 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:42:13,126 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-26 10:42:13,126 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-26 10:42:13,126 INFO L133 ssoRankerPreferences]: Filename of dumped script: insertionsort-alloca-2.i_Iteration2_Lasso [2023-11-26 10:42:13,127 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-26 10:42:13,127 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-26 10:42:13,150 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:42:13,159 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:42:13,516 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:42:13,520 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:42:13,524 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:42:13,529 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:42:13,532 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:42:13,535 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:42:13,539 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:42:13,542 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:42:13,546 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:42:13,551 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:42:13,556 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:42:13,560 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:42:13,563 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:42:14,033 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-26 10:42:14,039 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-26 10:42:14,042 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:42:14,043 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_679c59e3-b2f2-4f77-ab00-4578755052cd/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:42:14,048 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_679c59e3-b2f2-4f77-ab00-4578755052cd/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:42:14,066 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 [2023-11-26 10:42:14,079 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:42:14,079 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:42:14,080 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:42:14,080 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:42:14,080 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:42:14,082 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 10:42:14,082 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:42:14,083 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_679c59e3-b2f2-4f77-ab00-4578755052cd/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2023-11-26 10:42:14,092 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:42:14,097 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_679c59e3-b2f2-4f77-ab00-4578755052cd/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2023-11-26 10:42:14,098 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:42:14,098 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_679c59e3-b2f2-4f77-ab00-4578755052cd/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:42:14,100 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_679c59e3-b2f2-4f77-ab00-4578755052cd/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:42:14,113 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 [2023-11-26 10:42:14,120 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_679c59e3-b2f2-4f77-ab00-4578755052cd/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2023-11-26 10:42:14,125 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:42:14,126 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:42:14,126 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:42:14,126 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:42:14,141 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 10:42:14,142 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 10:42:14,171 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-26 10:42:14,212 INFO L443 ModelExtractionUtils]: Simplification made 9 calls to the SMT solver. [2023-11-26 10:42:14,212 INFO L444 ModelExtractionUtils]: 9 out of 28 variables were initially zero. Simplification set additionally 16 variables to zero. [2023-11-26 10:42:14,214 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:42:14,214 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_679c59e3-b2f2-4f77-ab00-4578755052cd/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:42:14,255 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_679c59e3-b2f2-4f77-ab00-4578755052cd/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:42:14,277 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_679c59e3-b2f2-4f77-ab00-4578755052cd/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2023-11-26 10:42:14,278 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-26 10:42:14,295 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-11-26 10:42:14,295 INFO L513 LassoAnalysis]: Proved termination. [2023-11-26 10:42:14,296 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_insertionSort_~i~0#1, ULTIMATE.start_insertionSort_~array_size#1) = -1*ULTIMATE.start_insertionSort_~i~0#1 + 1*ULTIMATE.start_insertionSort_~array_size#1 Supporting invariants [] [2023-11-26 10:42:14,305 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_679c59e3-b2f2-4f77-ab00-4578755052cd/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2023-11-26 10:42:14,324 INFO L156 tatePredicateManager]: 4 out of 4 supporting invariants were superfluous and have been removed [2023-11-26 10:42:14,352 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:42:14,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:42:14,377 INFO L262 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-26 10:42:14,378 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:42:14,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:42:14,406 INFO L262 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-26 10:42:14,407 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:42:14,463 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 10:42:14,467 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 [2023-11-26 10:42:14,468 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 11 states and 14 transitions. cyclomatic complexity: 4 Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:42:14,515 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 11 states and 14 transitions. cyclomatic complexity: 4. Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 19 states and 25 transitions. Complement of second has 4 states. [2023-11-26 10:42:14,516 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 [2023-11-26 10:42:14,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:42:14,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 14 transitions. [2023-11-26 10:42:14,520 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 14 transitions. Stem has 4 letters. Loop has 6 letters. [2023-11-26 10:42:14,521 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 10:42:14,521 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 14 transitions. Stem has 10 letters. Loop has 6 letters. [2023-11-26 10:42:14,522 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 10:42:14,522 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 14 transitions. Stem has 4 letters. Loop has 12 letters. [2023-11-26 10:42:14,523 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 10:42:14,523 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 19 states and 25 transitions. [2023-11-26 10:42:14,526 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2023-11-26 10:42:14,527 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 19 states to 17 states and 23 transitions. [2023-11-26 10:42:14,527 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2023-11-26 10:42:14,527 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2023-11-26 10:42:14,528 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 23 transitions. [2023-11-26 10:42:14,528 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-26 10:42:14,528 INFO L218 hiAutomatonCegarLoop]: Abstraction has 17 states and 23 transitions. [2023-11-26 10:42:14,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states and 23 transitions. [2023-11-26 10:42:14,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 16. [2023-11-26 10:42:14,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 16 states have (on average 1.375) internal successors, (22), 15 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:42:14,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 22 transitions. [2023-11-26 10:42:14,533 INFO L240 hiAutomatonCegarLoop]: Abstraction has 16 states and 22 transitions. [2023-11-26 10:42:14,533 INFO L428 stractBuchiCegarLoop]: Abstraction has 16 states and 22 transitions. [2023-11-26 10:42:14,533 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2023-11-26 10:42:14,533 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states and 22 transitions. [2023-11-26 10:42:14,534 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2023-11-26 10:42:14,535 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 10:42:14,535 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 10:42:14,535 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2023-11-26 10:42:14,535 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2023-11-26 10:42:14,536 INFO L748 eck$LassoCheckResult]: Stem: 146#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 147#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~malloc9#1.base, main_#t~malloc9#1.offset, main_~array_size~0#1, main_~a~0#1.base, main_~a~0#1.offset;havoc main_#t~nondet8#1;main_~array_size~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1; 143#L560 assume !(main_~array_size~0#1 < 1); 144#L560-2 call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1 % 18446744073709551616);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;assume { :begin_inline_insertionSort } true;insertionSort_#in~a#1.base, insertionSort_#in~a#1.offset, insertionSort_#in~array_size#1 := main_~a~0#1.base, main_~a~0#1.offset, main_~array_size~0#1;havoc insertionSort_#t~mem3#1, insertionSort_#t~mem7#1, insertionSort_#t~post4#1, insertionSort_#t~mem5#1, insertionSort_#t~short6#1, insertionSort_#t~pre2#1, insertionSort_~a#1.base, insertionSort_~a#1.offset, insertionSort_~array_size#1, insertionSort_~i~0#1, insertionSort_~j~0#1, insertionSort_~index~0#1;insertionSort_~a#1.base, insertionSort_~a#1.offset := insertionSort_#in~a#1.base, insertionSort_#in~a#1.offset;insertionSort_~array_size#1 := insertionSort_#in~array_size#1;havoc insertionSort_~i~0#1;havoc insertionSort_~j~0#1;havoc insertionSort_~index~0#1;insertionSort_~i~0#1 := 1; 145#L550-3 assume !!(insertionSort_~i~0#1 < insertionSort_~array_size#1);call insertionSort_#t~mem3#1 := read~int#0(insertionSort_~a#1.base, insertionSort_~a#1.offset + 4 * insertionSort_~i~0#1, 4);insertionSort_~index~0#1 := insertionSort_#t~mem3#1;havoc insertionSort_#t~mem3#1;insertionSort_~j~0#1 := insertionSort_~i~0#1; 133#L553-6 [2023-11-26 10:42:14,536 INFO L750 eck$LassoCheckResult]: Loop: 133#L553-6 insertionSort_#t~short6#1 := insertionSort_~j~0#1 > 0; 134#L553-1 assume insertionSort_#t~short6#1;call insertionSort_#t~mem5#1 := read~int#0(insertionSort_~a#1.base, insertionSort_~a#1.offset + 4 * (insertionSort_~j~0#1 - 1), 4);insertionSort_#t~short6#1 := insertionSort_#t~mem5#1 > insertionSort_~index~0#1; 139#L553-3 assume !!insertionSort_#t~short6#1;havoc insertionSort_#t~mem5#1;havoc insertionSort_#t~short6#1;call insertionSort_#t~mem7#1 := read~int#0(insertionSort_~a#1.base, insertionSort_~a#1.offset + 4 * (insertionSort_~j~0#1 - 1), 4);call write~int#0(insertionSort_#t~mem7#1, insertionSort_~a#1.base, insertionSort_~a#1.offset + 4 * insertionSort_~j~0#1, 4);havoc insertionSort_#t~mem7#1; 140#L553-5 insertionSort_#t~post4#1 := insertionSort_~j~0#1;insertionSort_~j~0#1 := insertionSort_#t~post4#1 - 1;havoc insertionSort_#t~post4#1; 133#L553-6 [2023-11-26 10:42:14,543 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:42:14,543 INFO L85 PathProgramCache]: Analyzing trace with hash 28695756, now seen corresponding path program 1 times [2023-11-26 10:42:14,544 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:42:14,544 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1818280858] [2023-11-26 10:42:14,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:42:14,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:42:14,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:42:14,562 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 10:42:14,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:42:14,576 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 10:42:14,576 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:42:14,577 INFO L85 PathProgramCache]: Analyzing trace with hash 1573222, now seen corresponding path program 1 times [2023-11-26 10:42:14,577 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:42:14,577 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1946574482] [2023-11-26 10:42:14,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:42:14,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:42:14,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:42:14,588 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 10:42:14,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:42:14,597 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 10:42:14,598 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:42:14,598 INFO L85 PathProgramCache]: Analyzing trace with hash 1185710257, now seen corresponding path program 1 times [2023-11-26 10:42:14,598 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:42:14,599 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [259629748] [2023-11-26 10:42:14,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:42:14,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:42:14,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:42:14,622 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 10:42:14,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:42:14,658 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 10:42:14,872 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_679c59e3-b2f2-4f77-ab00-4578755052cd/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2023-11-26 10:42:15,141 INFO L210 LassoAnalysis]: Preferences: [2023-11-26 10:42:15,142 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-26 10:42:15,142 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-26 10:42:15,142 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-26 10:42:15,142 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-26 10:42:15,142 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:42:15,142 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-26 10:42:15,142 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-26 10:42:15,142 INFO L133 ssoRankerPreferences]: Filename of dumped script: insertionsort-alloca-2.i_Iteration3_Lasso [2023-11-26 10:42:15,142 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-26 10:42:15,142 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-26 10:42:15,146 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:42:15,150 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:42:15,154 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:42:15,158 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:42:15,162 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:42:15,164 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:42:15,167 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:42:15,449 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:42:15,452 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:42:15,459 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:42:15,464 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:42:15,469 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:42:15,473 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:42:15,475 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:42:15,478 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:42:15,481 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:42:15,862 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-26 10:42:15,862 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-26 10:42:15,862 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:42:15,862 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_679c59e3-b2f2-4f77-ab00-4578755052cd/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:42:15,866 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_679c59e3-b2f2-4f77-ab00-4578755052cd/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:42:15,881 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_679c59e3-b2f2-4f77-ab00-4578755052cd/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2023-11-26 10:42:15,882 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 [2023-11-26 10:42:15,895 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:42:15,896 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:42:15,896 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:42:15,896 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:42:15,898 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 10:42:15,898 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 10:42:15,916 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:42:15,920 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_679c59e3-b2f2-4f77-ab00-4578755052cd/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2023-11-26 10:42:15,921 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:42:15,921 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_679c59e3-b2f2-4f77-ab00-4578755052cd/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:42:15,922 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_679c59e3-b2f2-4f77-ab00-4578755052cd/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:42:15,934 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 [2023-11-26 10:42:15,947 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:42:15,947 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:42:15,947 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:42:15,947 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:42:15,948 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_679c59e3-b2f2-4f77-ab00-4578755052cd/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2023-11-26 10:42:15,951 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 10:42:15,951 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 10:42:15,980 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:42:15,985 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_679c59e3-b2f2-4f77-ab00-4578755052cd/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2023-11-26 10:42:15,985 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:42:15,985 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_679c59e3-b2f2-4f77-ab00-4578755052cd/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:42:15,986 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_679c59e3-b2f2-4f77-ab00-4578755052cd/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:42:15,995 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 [2023-11-26 10:42:16,007 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:42:16,008 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:42:16,008 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:42:16,008 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:42:16,008 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_679c59e3-b2f2-4f77-ab00-4578755052cd/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2023-11-26 10:42:16,011 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 10:42:16,011 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 10:42:16,028 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:42:16,038 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_679c59e3-b2f2-4f77-ab00-4578755052cd/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2023-11-26 10:42:16,038 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:42:16,039 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_679c59e3-b2f2-4f77-ab00-4578755052cd/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:42:16,040 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_679c59e3-b2f2-4f77-ab00-4578755052cd/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:42:16,053 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 [2023-11-26 10:42:16,065 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:42:16,065 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:42:16,065 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:42:16,065 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:42:16,068 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 10:42:16,068 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 10:42:16,069 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_679c59e3-b2f2-4f77-ab00-4578755052cd/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2023-11-26 10:42:16,084 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:42:16,092 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_679c59e3-b2f2-4f77-ab00-4578755052cd/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2023-11-26 10:42:16,092 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:42:16,093 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_679c59e3-b2f2-4f77-ab00-4578755052cd/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:42:16,094 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_679c59e3-b2f2-4f77-ab00-4578755052cd/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:42:16,100 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_679c59e3-b2f2-4f77-ab00-4578755052cd/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2023-11-26 10:42:16,101 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 [2023-11-26 10:42:16,113 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:42:16,113 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:42:16,113 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:42:16,114 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:42:16,114 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:42:16,114 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 10:42:16,114 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:42:16,128 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:42:16,139 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_679c59e3-b2f2-4f77-ab00-4578755052cd/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2023-11-26 10:42:16,140 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:42:16,140 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_679c59e3-b2f2-4f77-ab00-4578755052cd/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:42:16,142 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_679c59e3-b2f2-4f77-ab00-4578755052cd/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:42:16,151 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 [2023-11-26 10:42:16,163 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:42:16,163 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:42:16,163 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:42:16,163 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:42:16,164 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:42:16,164 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_679c59e3-b2f2-4f77-ab00-4578755052cd/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2023-11-26 10:42:16,164 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 10:42:16,164 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:42:16,180 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:42:16,188 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_679c59e3-b2f2-4f77-ab00-4578755052cd/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2023-11-26 10:42:16,189 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:42:16,189 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_679c59e3-b2f2-4f77-ab00-4578755052cd/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:42:16,190 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_679c59e3-b2f2-4f77-ab00-4578755052cd/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:42:16,203 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 [2023-11-26 10:42:16,216 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:42:16,216 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:42:16,216 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:42:16,216 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:42:16,218 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_679c59e3-b2f2-4f77-ab00-4578755052cd/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2023-11-26 10:42:16,219 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 10:42:16,219 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 10:42:16,236 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:42:16,240 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_679c59e3-b2f2-4f77-ab00-4578755052cd/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2023-11-26 10:42:16,240 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:42:16,241 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_679c59e3-b2f2-4f77-ab00-4578755052cd/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:42:16,242 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_679c59e3-b2f2-4f77-ab00-4578755052cd/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:42:16,249 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_679c59e3-b2f2-4f77-ab00-4578755052cd/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2023-11-26 10:42:16,250 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 [2023-11-26 10:42:16,262 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:42:16,262 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:42:16,262 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:42:16,262 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:42:16,265 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 10:42:16,265 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 10:42:16,284 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:42:16,293 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_679c59e3-b2f2-4f77-ab00-4578755052cd/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2023-11-26 10:42:16,293 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:42:16,293 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_679c59e3-b2f2-4f77-ab00-4578755052cd/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:42:16,296 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_679c59e3-b2f2-4f77-ab00-4578755052cd/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:42:16,304 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 [2023-11-26 10:42:16,317 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_679c59e3-b2f2-4f77-ab00-4578755052cd/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2023-11-26 10:42:16,317 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:42:16,318 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:42:16,318 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:42:16,318 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:42:16,321 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 10:42:16,321 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 10:42:16,335 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:42:16,344 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_679c59e3-b2f2-4f77-ab00-4578755052cd/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2023-11-26 10:42:16,346 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:42:16,346 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_679c59e3-b2f2-4f77-ab00-4578755052cd/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:42:16,347 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_679c59e3-b2f2-4f77-ab00-4578755052cd/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:42:16,356 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 [2023-11-26 10:42:16,368 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:42:16,368 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:42:16,368 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:42:16,368 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:42:16,370 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_679c59e3-b2f2-4f77-ab00-4578755052cd/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2023-11-26 10:42:16,371 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 10:42:16,372 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 10:42:16,388 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:42:16,396 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_679c59e3-b2f2-4f77-ab00-4578755052cd/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2023-11-26 10:42:16,397 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:42:16,397 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_679c59e3-b2f2-4f77-ab00-4578755052cd/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:42:16,398 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_679c59e3-b2f2-4f77-ab00-4578755052cd/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:42:16,403 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 [2023-11-26 10:42:16,404 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_679c59e3-b2f2-4f77-ab00-4578755052cd/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2023-11-26 10:42:16,416 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:42:16,417 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:42:16,417 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:42:16,417 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:42:16,454 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 10:42:16,455 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 10:42:16,476 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-26 10:42:16,498 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2023-11-26 10:42:16,498 INFO L444 ModelExtractionUtils]: 12 out of 25 variables were initially zero. Simplification set additionally 11 variables to zero. [2023-11-26 10:42:16,498 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:42:16,498 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_679c59e3-b2f2-4f77-ab00-4578755052cd/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:42:16,501 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_679c59e3-b2f2-4f77-ab00-4578755052cd/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:42:16,513 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-26 10:42:16,526 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_679c59e3-b2f2-4f77-ab00-4578755052cd/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2023-11-26 10:42:16,542 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-11-26 10:42:16,542 INFO L513 LassoAnalysis]: Proved termination. [2023-11-26 10:42:16,542 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_insertionSort_~j~0#1) = 1*ULTIMATE.start_insertionSort_~j~0#1 Supporting invariants [] [2023-11-26 10:42:16,552 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_679c59e3-b2f2-4f77-ab00-4578755052cd/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2023-11-26 10:42:16,564 INFO L156 tatePredicateManager]: 4 out of 4 supporting invariants were superfluous and have been removed [2023-11-26 10:42:16,577 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:42:16,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:42:16,592 INFO L262 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-26 10:42:16,593 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:42:16,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:42:16,617 INFO L262 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-26 10:42:16,617 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:42:16,692 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 10:42:16,693 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 [2023-11-26 10:42:16,693 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 16 states and 22 transitions. cyclomatic complexity: 8 Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:42:16,768 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 16 states and 22 transitions. cyclomatic complexity: 8. Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 47 states and 62 transitions. Complement of second has 9 states. [2023-11-26 10:42:16,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2023-11-26 10:42:16,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:42:16,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 18 transitions. [2023-11-26 10:42:16,772 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 18 transitions. Stem has 5 letters. Loop has 4 letters. [2023-11-26 10:42:16,772 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 10:42:16,772 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 18 transitions. Stem has 9 letters. Loop has 4 letters. [2023-11-26 10:42:16,773 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 10:42:16,773 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 18 transitions. Stem has 5 letters. Loop has 8 letters. [2023-11-26 10:42:16,773 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 10:42:16,774 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 47 states and 62 transitions. [2023-11-26 10:42:16,780 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2023-11-26 10:42:16,787 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 47 states to 30 states and 40 transitions. [2023-11-26 10:42:16,787 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2023-11-26 10:42:16,787 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2023-11-26 10:42:16,787 INFO L73 IsDeterministic]: Start isDeterministic. Operand 30 states and 40 transitions. [2023-11-26 10:42:16,787 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-26 10:42:16,788 INFO L218 hiAutomatonCegarLoop]: Abstraction has 30 states and 40 transitions. [2023-11-26 10:42:16,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states and 40 transitions. [2023-11-26 10:42:16,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 22. [2023-11-26 10:42:16,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 22 states have (on average 1.3636363636363635) internal successors, (30), 21 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:42:16,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 30 transitions. [2023-11-26 10:42:16,794 INFO L240 hiAutomatonCegarLoop]: Abstraction has 22 states and 30 transitions. [2023-11-26 10:42:16,794 INFO L428 stractBuchiCegarLoop]: Abstraction has 22 states and 30 transitions. [2023-11-26 10:42:16,794 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2023-11-26 10:42:16,794 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 22 states and 30 transitions. [2023-11-26 10:42:16,797 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2023-11-26 10:42:16,798 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 10:42:16,798 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 10:42:16,799 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:42:16,799 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2023-11-26 10:42:16,799 INFO L748 eck$LassoCheckResult]: Stem: 278#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 279#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~malloc9#1.base, main_#t~malloc9#1.offset, main_~array_size~0#1, main_~a~0#1.base, main_~a~0#1.offset;havoc main_#t~nondet8#1;main_~array_size~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1; 275#L560 assume !(main_~array_size~0#1 < 1); 276#L560-2 call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1 % 18446744073709551616);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;assume { :begin_inline_insertionSort } true;insertionSort_#in~a#1.base, insertionSort_#in~a#1.offset, insertionSort_#in~array_size#1 := main_~a~0#1.base, main_~a~0#1.offset, main_~array_size~0#1;havoc insertionSort_#t~mem3#1, insertionSort_#t~mem7#1, insertionSort_#t~post4#1, insertionSort_#t~mem5#1, insertionSort_#t~short6#1, insertionSort_#t~pre2#1, insertionSort_~a#1.base, insertionSort_~a#1.offset, insertionSort_~array_size#1, insertionSort_~i~0#1, insertionSort_~j~0#1, insertionSort_~index~0#1;insertionSort_~a#1.base, insertionSort_~a#1.offset := insertionSort_#in~a#1.base, insertionSort_#in~a#1.offset;insertionSort_~array_size#1 := insertionSort_#in~array_size#1;havoc insertionSort_~i~0#1;havoc insertionSort_~j~0#1;havoc insertionSort_~index~0#1;insertionSort_~i~0#1 := 1; 277#L550-3 assume !!(insertionSort_~i~0#1 < insertionSort_~array_size#1);call insertionSort_#t~mem3#1 := read~int#0(insertionSort_~a#1.base, insertionSort_~a#1.offset + 4 * insertionSort_~i~0#1, 4);insertionSort_~index~0#1 := insertionSort_#t~mem3#1;havoc insertionSort_#t~mem3#1;insertionSort_~j~0#1 := insertionSort_~i~0#1; 280#L553-6 insertionSort_#t~short6#1 := insertionSort_~j~0#1 > 0; 282#L553-1 assume !insertionSort_#t~short6#1; 274#L553-3 assume !insertionSort_#t~short6#1;havoc insertionSort_#t~mem5#1;havoc insertionSort_#t~short6#1; 270#L553-7 call write~int#0(insertionSort_~index~0#1, insertionSort_~a#1.base, insertionSort_~a#1.offset + 4 * insertionSort_~j~0#1, 4); 271#L550-2 insertionSort_#t~pre2#1 := 1 + insertionSort_~i~0#1;insertionSort_~i~0#1 := 1 + insertionSort_~i~0#1;havoc insertionSort_#t~pre2#1; 281#L550-3 assume !!(insertionSort_~i~0#1 < insertionSort_~array_size#1);call insertionSort_#t~mem3#1 := read~int#0(insertionSort_~a#1.base, insertionSort_~a#1.offset + 4 * insertionSort_~i~0#1, 4);insertionSort_~index~0#1 := insertionSort_#t~mem3#1;havoc insertionSort_#t~mem3#1;insertionSort_~j~0#1 := insertionSort_~i~0#1; 266#L553-6 [2023-11-26 10:42:16,800 INFO L750 eck$LassoCheckResult]: Loop: 266#L553-6 insertionSort_#t~short6#1 := insertionSort_~j~0#1 > 0; 267#L553-1 assume insertionSort_#t~short6#1;call insertionSort_#t~mem5#1 := read~int#0(insertionSort_~a#1.base, insertionSort_~a#1.offset + 4 * (insertionSort_~j~0#1 - 1), 4);insertionSort_#t~short6#1 := insertionSort_#t~mem5#1 > insertionSort_~index~0#1; 272#L553-3 assume !!insertionSort_#t~short6#1;havoc insertionSort_#t~mem5#1;havoc insertionSort_#t~short6#1;call insertionSort_#t~mem7#1 := read~int#0(insertionSort_~a#1.base, insertionSort_~a#1.offset + 4 * (insertionSort_~j~0#1 - 1), 4);call write~int#0(insertionSort_#t~mem7#1, insertionSort_~a#1.base, insertionSort_~a#1.offset + 4 * insertionSort_~j~0#1, 4);havoc insertionSort_#t~mem7#1; 273#L553-5 insertionSort_#t~post4#1 := insertionSort_~j~0#1;insertionSort_~j~0#1 := insertionSort_#t~post4#1 - 1;havoc insertionSort_#t~post4#1; 266#L553-6 [2023-11-26 10:42:16,800 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:42:16,800 INFO L85 PathProgramCache]: Analyzing trace with hash 1303016098, now seen corresponding path program 1 times [2023-11-26 10:42:16,800 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:42:16,801 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1181656136] [2023-11-26 10:42:16,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:42:16,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:42:16,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:42:17,030 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 10:42:17,030 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:42:17,030 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1181656136] [2023-11-26 10:42:17,031 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1181656136] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:42:17,031 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:42:17,031 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-26 10:42:17,031 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2080452016] [2023-11-26 10:42:17,031 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:42:17,032 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-26 10:42:17,032 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:42:17,032 INFO L85 PathProgramCache]: Analyzing trace with hash 1573222, now seen corresponding path program 2 times [2023-11-26 10:42:17,032 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:42:17,033 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2030139680] [2023-11-26 10:42:17,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:42:17,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:42:17,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:42:17,043 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 10:42:17,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:42:17,056 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 10:42:17,176 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:42:17,176 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-26 10:42:17,177 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-26 10:42:17,177 INFO L87 Difference]: Start difference. First operand 22 states and 30 transitions. cyclomatic complexity: 11 Second operand has 5 states, 5 states have (on average 2.2) internal successors, (11), 5 states have internal predecessors, (11), 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) [2023-11-26 10:42:17,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:42:17,245 INFO L93 Difference]: Finished difference Result 33 states and 43 transitions. [2023-11-26 10:42:17,245 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 33 states and 43 transitions. [2023-11-26 10:42:17,246 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2023-11-26 10:42:17,247 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 33 states to 33 states and 43 transitions. [2023-11-26 10:42:17,247 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2023-11-26 10:42:17,247 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2023-11-26 10:42:17,247 INFO L73 IsDeterministic]: Start isDeterministic. Operand 33 states and 43 transitions. [2023-11-26 10:42:17,248 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-26 10:42:17,248 INFO L218 hiAutomatonCegarLoop]: Abstraction has 33 states and 43 transitions. [2023-11-26 10:42:17,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states and 43 transitions. [2023-11-26 10:42:17,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 25. [2023-11-26 10:42:17,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 25 states have (on average 1.36) internal successors, (34), 24 states have internal predecessors, (34), 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) [2023-11-26 10:42:17,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 34 transitions. [2023-11-26 10:42:17,252 INFO L240 hiAutomatonCegarLoop]: Abstraction has 25 states and 34 transitions. [2023-11-26 10:42:17,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-26 10:42:17,255 INFO L428 stractBuchiCegarLoop]: Abstraction has 25 states and 34 transitions. [2023-11-26 10:42:17,255 INFO L335 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2023-11-26 10:42:17,255 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 25 states and 34 transitions. [2023-11-26 10:42:17,257 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2023-11-26 10:42:17,257 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 10:42:17,257 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 10:42:17,258 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:42:17,258 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2023-11-26 10:42:17,259 INFO L748 eck$LassoCheckResult]: Stem: 346#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 347#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~malloc9#1.base, main_#t~malloc9#1.offset, main_~array_size~0#1, main_~a~0#1.base, main_~a~0#1.offset;havoc main_#t~nondet8#1;main_~array_size~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1; 343#L560 assume !(main_~array_size~0#1 < 1); 344#L560-2 call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1 % 18446744073709551616);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;assume { :begin_inline_insertionSort } true;insertionSort_#in~a#1.base, insertionSort_#in~a#1.offset, insertionSort_#in~array_size#1 := main_~a~0#1.base, main_~a~0#1.offset, main_~array_size~0#1;havoc insertionSort_#t~mem3#1, insertionSort_#t~mem7#1, insertionSort_#t~post4#1, insertionSort_#t~mem5#1, insertionSort_#t~short6#1, insertionSort_#t~pre2#1, insertionSort_~a#1.base, insertionSort_~a#1.offset, insertionSort_~array_size#1, insertionSort_~i~0#1, insertionSort_~j~0#1, insertionSort_~index~0#1;insertionSort_~a#1.base, insertionSort_~a#1.offset := insertionSort_#in~a#1.base, insertionSort_#in~a#1.offset;insertionSort_~array_size#1 := insertionSort_#in~array_size#1;havoc insertionSort_~i~0#1;havoc insertionSort_~j~0#1;havoc insertionSort_~index~0#1;insertionSort_~i~0#1 := 1; 345#L550-3 assume !!(insertionSort_~i~0#1 < insertionSort_~array_size#1);call insertionSort_#t~mem3#1 := read~int#0(insertionSort_~a#1.base, insertionSort_~a#1.offset + 4 * insertionSort_~i~0#1, 4);insertionSort_~index~0#1 := insertionSort_#t~mem3#1;havoc insertionSort_#t~mem3#1;insertionSort_~j~0#1 := insertionSort_~i~0#1; 335#L553-6 insertionSort_#t~short6#1 := insertionSort_~j~0#1 > 0; 336#L553-1 assume insertionSort_#t~short6#1;call insertionSort_#t~mem5#1 := read~int#0(insertionSort_~a#1.base, insertionSort_~a#1.offset + 4 * (insertionSort_~j~0#1 - 1), 4);insertionSort_#t~short6#1 := insertionSort_#t~mem5#1 > insertionSort_~index~0#1; 342#L553-3 assume !insertionSort_#t~short6#1;havoc insertionSort_#t~mem5#1;havoc insertionSort_#t~short6#1; 338#L553-7 call write~int#0(insertionSort_~index~0#1, insertionSort_~a#1.base, insertionSort_~a#1.offset + 4 * insertionSort_~j~0#1, 4); 339#L550-2 insertionSort_#t~pre2#1 := 1 + insertionSort_~i~0#1;insertionSort_~i~0#1 := 1 + insertionSort_~i~0#1;havoc insertionSort_#t~pre2#1; 348#L550-3 assume !!(insertionSort_~i~0#1 < insertionSort_~array_size#1);call insertionSort_#t~mem3#1 := read~int#0(insertionSort_~a#1.base, insertionSort_~a#1.offset + 4 * insertionSort_~i~0#1, 4);insertionSort_~index~0#1 := insertionSort_#t~mem3#1;havoc insertionSort_#t~mem3#1;insertionSort_~j~0#1 := insertionSort_~i~0#1; 333#L553-6 [2023-11-26 10:42:17,259 INFO L750 eck$LassoCheckResult]: Loop: 333#L553-6 insertionSort_#t~short6#1 := insertionSort_~j~0#1 > 0; 334#L553-1 assume insertionSort_#t~short6#1;call insertionSort_#t~mem5#1 := read~int#0(insertionSort_~a#1.base, insertionSort_~a#1.offset + 4 * (insertionSort_~j~0#1 - 1), 4);insertionSort_#t~short6#1 := insertionSort_#t~mem5#1 > insertionSort_~index~0#1; 340#L553-3 assume !!insertionSort_#t~short6#1;havoc insertionSort_#t~mem5#1;havoc insertionSort_#t~short6#1;call insertionSort_#t~mem7#1 := read~int#0(insertionSort_~a#1.base, insertionSort_~a#1.offset + 4 * (insertionSort_~j~0#1 - 1), 4);call write~int#0(insertionSort_#t~mem7#1, insertionSort_~a#1.base, insertionSort_~a#1.offset + 4 * insertionSort_~j~0#1, 4);havoc insertionSort_#t~mem7#1; 341#L553-5 insertionSort_#t~post4#1 := insertionSort_~j~0#1;insertionSort_~j~0#1 := insertionSort_#t~post4#1 - 1;havoc insertionSort_#t~post4#1; 333#L553-6 [2023-11-26 10:42:17,259 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:42:17,259 INFO L85 PathProgramCache]: Analyzing trace with hash 1301169056, now seen corresponding path program 2 times [2023-11-26 10:42:17,260 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:42:17,260 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1647045919] [2023-11-26 10:42:17,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:42:17,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:42:17,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:42:17,294 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 10:42:17,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:42:17,329 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 10:42:17,329 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:42:17,330 INFO L85 PathProgramCache]: Analyzing trace with hash 1573222, now seen corresponding path program 3 times [2023-11-26 10:42:17,330 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:42:17,331 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [564517059] [2023-11-26 10:42:17,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:42:17,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:42:17,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:42:17,350 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 10:42:17,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:42:17,359 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 10:42:17,360 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:42:17,360 INFO L85 PathProgramCache]: Analyzing trace with hash -1886560891, now seen corresponding path program 1 times [2023-11-26 10:42:17,360 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:42:17,363 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [115396022] [2023-11-26 10:42:17,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:42:17,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:42:17,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:42:17,399 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 10:42:17,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:42:17,434 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 10:42:18,066 INFO L210 LassoAnalysis]: Preferences: [2023-11-26 10:42:18,066 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-26 10:42:18,066 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-26 10:42:18,066 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-26 10:42:18,066 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-26 10:42:18,066 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:42:18,066 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-26 10:42:18,066 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-26 10:42:18,067 INFO L133 ssoRankerPreferences]: Filename of dumped script: insertionsort-alloca-2.i_Iteration5_Lasso [2023-11-26 10:42:18,067 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-26 10:42:18,067 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-26 10:42:18,071 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:42:18,078 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:42:18,081 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:42:18,084 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:42:18,087 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:42:18,090 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:42:18,093 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:42:18,096 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:42:18,099 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:42:18,102 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:42:18,478 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_679c59e3-b2f2-4f77-ab00-4578755052cd/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2023-11-26 10:42:18,492 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:42:18,496 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:42:18,499 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:42:18,501 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:42:18,504 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:42:18,507 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 10:42:18,886 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-26 10:42:18,886 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-26 10:42:18,886 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:42:18,886 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_679c59e3-b2f2-4f77-ab00-4578755052cd/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:42:18,890 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_679c59e3-b2f2-4f77-ab00-4578755052cd/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:42:18,894 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 [2023-11-26 10:42:18,897 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_679c59e3-b2f2-4f77-ab00-4578755052cd/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2023-11-26 10:42:18,907 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:42:18,907 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:42:18,907 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:42:18,907 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:42:18,910 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 10:42:18,910 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 10:42:18,920 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:42:18,928 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_679c59e3-b2f2-4f77-ab00-4578755052cd/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2023-11-26 10:42:18,928 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:42:18,928 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_679c59e3-b2f2-4f77-ab00-4578755052cd/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:42:18,930 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_679c59e3-b2f2-4f77-ab00-4578755052cd/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:42:18,937 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_679c59e3-b2f2-4f77-ab00-4578755052cd/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2023-11-26 10:42:18,937 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 [2023-11-26 10:42:18,949 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:42:18,950 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:42:18,950 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:42:18,950 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:42:18,950 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:42:18,951 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 10:42:18,951 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:42:18,960 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:42:18,968 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_679c59e3-b2f2-4f77-ab00-4578755052cd/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2023-11-26 10:42:18,968 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:42:18,968 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_679c59e3-b2f2-4f77-ab00-4578755052cd/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:42:18,969 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_679c59e3-b2f2-4f77-ab00-4578755052cd/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:42:18,975 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_679c59e3-b2f2-4f77-ab00-4578755052cd/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2023-11-26 10:42:18,975 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 [2023-11-26 10:42:18,988 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:42:18,988 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:42:18,988 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:42:18,988 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:42:18,988 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:42:18,989 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 10:42:18,989 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:42:19,012 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:42:19,021 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_679c59e3-b2f2-4f77-ab00-4578755052cd/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2023-11-26 10:42:19,021 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:42:19,021 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_679c59e3-b2f2-4f77-ab00-4578755052cd/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:42:19,022 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_679c59e3-b2f2-4f77-ab00-4578755052cd/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:42:19,031 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 [2023-11-26 10:42:19,044 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:42:19,044 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:42:19,044 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:42:19,044 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:42:19,044 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_679c59e3-b2f2-4f77-ab00-4578755052cd/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2023-11-26 10:42:19,046 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 10:42:19,046 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 10:42:19,068 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:42:19,076 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_679c59e3-b2f2-4f77-ab00-4578755052cd/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2023-11-26 10:42:19,077 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:42:19,077 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_679c59e3-b2f2-4f77-ab00-4578755052cd/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:42:19,078 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_679c59e3-b2f2-4f77-ab00-4578755052cd/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:42:19,092 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 [2023-11-26 10:42:19,104 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_679c59e3-b2f2-4f77-ab00-4578755052cd/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2023-11-26 10:42:19,105 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:42:19,105 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:42:19,105 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:42:19,105 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:42:19,107 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 10:42:19,107 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 10:42:19,118 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:42:19,127 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_679c59e3-b2f2-4f77-ab00-4578755052cd/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2023-11-26 10:42:19,127 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:42:19,127 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_679c59e3-b2f2-4f77-ab00-4578755052cd/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:42:19,128 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_679c59e3-b2f2-4f77-ab00-4578755052cd/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:42:19,132 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 [2023-11-26 10:42:19,140 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_679c59e3-b2f2-4f77-ab00-4578755052cd/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2023-11-26 10:42:19,145 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:42:19,145 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:42:19,145 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:42:19,145 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:42:19,145 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:42:19,146 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 10:42:19,146 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:42:19,160 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:42:19,164 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_679c59e3-b2f2-4f77-ab00-4578755052cd/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2023-11-26 10:42:19,164 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:42:19,164 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_679c59e3-b2f2-4f77-ab00-4578755052cd/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:42:19,166 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_679c59e3-b2f2-4f77-ab00-4578755052cd/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:42:19,169 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 [2023-11-26 10:42:19,175 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_679c59e3-b2f2-4f77-ab00-4578755052cd/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2023-11-26 10:42:19,182 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:42:19,182 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:42:19,182 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:42:19,182 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:42:19,184 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 10:42:19,184 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 10:42:19,212 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:42:19,216 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_679c59e3-b2f2-4f77-ab00-4578755052cd/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2023-11-26 10:42:19,216 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:42:19,216 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_679c59e3-b2f2-4f77-ab00-4578755052cd/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:42:19,217 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_679c59e3-b2f2-4f77-ab00-4578755052cd/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:42:19,225 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 [2023-11-26 10:42:19,237 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_679c59e3-b2f2-4f77-ab00-4578755052cd/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2023-11-26 10:42:19,238 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:42:19,238 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:42:19,238 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:42:19,238 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:42:19,240 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 10:42:19,240 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 10:42:19,251 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:42:19,254 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_679c59e3-b2f2-4f77-ab00-4578755052cd/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2023-11-26 10:42:19,255 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:42:19,255 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_679c59e3-b2f2-4f77-ab00-4578755052cd/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:42:19,257 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_679c59e3-b2f2-4f77-ab00-4578755052cd/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:42:19,261 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 [2023-11-26 10:42:19,273 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:42:19,273 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 10:42:19,273 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:42:19,273 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:42:19,273 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:42:19,274 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 10:42:19,274 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 10:42:19,276 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_679c59e3-b2f2-4f77-ab00-4578755052cd/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2023-11-26 10:42:19,291 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:42:19,300 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_679c59e3-b2f2-4f77-ab00-4578755052cd/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2023-11-26 10:42:19,300 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:42:19,300 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_679c59e3-b2f2-4f77-ab00-4578755052cd/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:42:19,302 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_679c59e3-b2f2-4f77-ab00-4578755052cd/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:42:19,307 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 [2023-11-26 10:42:19,320 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:42:19,320 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:42:19,320 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:42:19,320 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:42:19,320 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_679c59e3-b2f2-4f77-ab00-4578755052cd/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2023-11-26 10:42:19,326 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 10:42:19,326 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 10:42:19,344 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:42:19,352 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_679c59e3-b2f2-4f77-ab00-4578755052cd/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2023-11-26 10:42:19,353 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:42:19,353 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_679c59e3-b2f2-4f77-ab00-4578755052cd/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:42:19,354 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_679c59e3-b2f2-4f77-ab00-4578755052cd/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:42:19,357 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_679c59e3-b2f2-4f77-ab00-4578755052cd/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2023-11-26 10:42:19,358 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 [2023-11-26 10:42:19,371 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:42:19,371 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:42:19,372 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:42:19,372 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:42:19,377 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 10:42:19,377 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 10:42:19,404 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 10:42:19,412 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_679c59e3-b2f2-4f77-ab00-4578755052cd/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2023-11-26 10:42:19,412 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:42:19,413 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_679c59e3-b2f2-4f77-ab00-4578755052cd/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:42:19,414 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_679c59e3-b2f2-4f77-ab00-4578755052cd/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:42:19,417 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 [2023-11-26 10:42:19,430 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 10:42:19,430 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 10:42:19,430 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 10:42:19,430 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 10:42:19,432 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_679c59e3-b2f2-4f77-ab00-4578755052cd/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2023-11-26 10:42:19,438 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 10:42:19,438 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 10:42:19,460 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-26 10:42:19,477 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2023-11-26 10:42:19,477 INFO L444 ModelExtractionUtils]: 9 out of 25 variables were initially zero. Simplification set additionally 14 variables to zero. [2023-11-26 10:42:19,477 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:42:19,477 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_679c59e3-b2f2-4f77-ab00-4578755052cd/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:42:19,479 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_679c59e3-b2f2-4f77-ab00-4578755052cd/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:42:19,482 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-26 10:42:19,494 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_679c59e3-b2f2-4f77-ab00-4578755052cd/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2023-11-26 10:42:19,513 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-11-26 10:42:19,514 INFO L513 LassoAnalysis]: Proved termination. [2023-11-26 10:42:19,514 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_insertionSort_~j~0#1) = 1*ULTIMATE.start_insertionSort_~j~0#1 Supporting invariants [] [2023-11-26 10:42:19,522 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_679c59e3-b2f2-4f77-ab00-4578755052cd/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2023-11-26 10:42:19,534 INFO L156 tatePredicateManager]: 4 out of 4 supporting invariants were superfluous and have been removed [2023-11-26 10:42:19,548 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:42:19,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:42:19,571 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-26 10:42:19,572 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:42:19,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:42:19,599 INFO L262 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-26 10:42:19,599 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:42:19,656 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 10:42:19,656 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 [2023-11-26 10:42:19,657 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 25 states and 34 transitions. cyclomatic complexity: 12 Second operand has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 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) [2023-11-26 10:42:19,721 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 25 states and 34 transitions. cyclomatic complexity: 12. Second operand has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 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 48 states and 62 transitions. Complement of second has 9 states. [2023-11-26 10:42:19,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2023-11-26 10:42:19,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 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) [2023-11-26 10:42:19,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 18 transitions. [2023-11-26 10:42:19,725 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 18 transitions. Stem has 11 letters. Loop has 4 letters. [2023-11-26 10:42:19,725 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 10:42:19,726 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2023-11-26 10:42:19,738 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:42:19,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:42:19,760 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-26 10:42:19,761 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:42:19,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:42:19,788 INFO L262 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-26 10:42:19,789 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:42:19,846 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 10:42:19,847 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 [2023-11-26 10:42:19,848 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 25 states and 34 transitions. cyclomatic complexity: 12 Second operand has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 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) [2023-11-26 10:42:19,906 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 25 states and 34 transitions. cyclomatic complexity: 12. Second operand has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 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 48 states and 62 transitions. Complement of second has 9 states. [2023-11-26 10:42:19,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2023-11-26 10:42:19,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 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) [2023-11-26 10:42:19,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 18 transitions. [2023-11-26 10:42:19,910 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 18 transitions. Stem has 11 letters. Loop has 4 letters. [2023-11-26 10:42:19,910 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 10:42:19,911 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2023-11-26 10:42:19,924 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:42:19,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:42:19,946 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-26 10:42:19,947 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:42:19,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:42:19,972 INFO L262 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-26 10:42:19,972 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:42:20,030 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 10:42:20,031 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 [2023-11-26 10:42:20,032 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 25 states and 34 transitions. cyclomatic complexity: 12 Second operand has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 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) [2023-11-26 10:42:20,096 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 25 states and 34 transitions. cyclomatic complexity: 12. Second operand has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 56 states and 75 transitions. Complement of second has 8 states. [2023-11-26 10:42:20,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2023-11-26 10:42:20,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 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) [2023-11-26 10:42:20,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 27 transitions. [2023-11-26 10:42:20,099 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 27 transitions. Stem has 11 letters. Loop has 4 letters. [2023-11-26 10:42:20,100 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 10:42:20,100 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 27 transitions. Stem has 15 letters. Loop has 4 letters. [2023-11-26 10:42:20,101 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 10:42:20,102 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 27 transitions. Stem has 11 letters. Loop has 8 letters. [2023-11-26 10:42:20,103 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 10:42:20,104 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 56 states and 75 transitions. [2023-11-26 10:42:20,106 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-26 10:42:20,106 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 56 states to 0 states and 0 transitions. [2023-11-26 10:42:20,107 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2023-11-26 10:42:20,107 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2023-11-26 10:42:20,107 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2023-11-26 10:42:20,107 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 10:42:20,107 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-26 10:42:20,107 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-26 10:42:20,107 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-26 10:42:20,107 INFO L335 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2023-11-26 10:42:20,107 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2023-11-26 10:42:20,107 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-26 10:42:20,107 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2023-11-26 10:42:20,114 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 26.11 10:42:20 BoogieIcfgContainer [2023-11-26 10:42:20,115 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-11-26 10:42:20,115 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-26 10:42:20,115 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-26 10:42:20,116 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-26 10:42:20,116 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 10:42:11" (3/4) ... [2023-11-26 10:42:20,118 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-26 10:42:20,119 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-26 10:42:20,120 INFO L158 Benchmark]: Toolchain (without parser) took 9295.87ms. Allocated memory was 199.2MB in the beginning and 247.5MB in the end (delta: 48.2MB). Free memory was 167.9MB in the beginning and 118.9MB in the end (delta: 48.9MB). Peak memory consumption was 97.5MB. Max. memory is 16.1GB. [2023-11-26 10:42:20,120 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 199.2MB. Free memory is still 176.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 10:42:20,121 INFO L158 Benchmark]: CACSL2BoogieTranslator took 495.05ms. Allocated memory is still 199.2MB. Free memory was 167.5MB in the beginning and 151.1MB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-26 10:42:20,121 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.55ms. Allocated memory is still 199.2MB. Free memory was 151.1MB in the beginning and 149.4MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 10:42:20,121 INFO L158 Benchmark]: Boogie Preprocessor took 80.59ms. Allocated memory is still 199.2MB. Free memory was 149.4MB in the beginning and 147.6MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-26 10:42:20,122 INFO L158 Benchmark]: RCFGBuilder took 490.49ms. Allocated memory is still 199.2MB. Free memory was 147.3MB in the beginning and 135.7MB in the end (delta: 11.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-26 10:42:20,122 INFO L158 Benchmark]: BuchiAutomizer took 8153.02ms. Allocated memory was 199.2MB in the beginning and 247.5MB in the end (delta: 48.2MB). Free memory was 135.7MB in the beginning and 118.9MB in the end (delta: 16.8MB). Peak memory consumption was 66.1MB. Max. memory is 16.1GB. [2023-11-26 10:42:20,122 INFO L158 Benchmark]: Witness Printer took 4.07ms. Allocated memory is still 247.5MB. Free memory is still 118.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 10:42:20,124 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 199.2MB. Free memory is still 176.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 495.05ms. Allocated memory is still 199.2MB. Free memory was 167.5MB in the beginning and 151.1MB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 63.55ms. Allocated memory is still 199.2MB. Free memory was 151.1MB in the beginning and 149.4MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 80.59ms. Allocated memory is still 199.2MB. Free memory was 149.4MB in the beginning and 147.6MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 490.49ms. Allocated memory is still 199.2MB. Free memory was 147.3MB in the beginning and 135.7MB in the end (delta: 11.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * BuchiAutomizer took 8153.02ms. Allocated memory was 199.2MB in the beginning and 247.5MB in the end (delta: 48.2MB). Free memory was 135.7MB in the beginning and 118.9MB in the end (delta: 16.8MB). Peak memory consumption was 66.1MB. Max. memory is 16.1GB. * Witness Printer took 4.07ms. Allocated memory is still 247.5MB. Free memory is still 118.9MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 5 terminating modules (2 trivial, 2 deterministic, 1 nondeterministic). One deterministic module has affine ranking function (array_size + (-1 * i)) and consists of 3 locations. One deterministic module has affine ranking function j and consists of 5 locations. One nondeterministic module has affine ranking function j and consists of 5 locations. 2 modules have a trivial ranking function, the largest among these consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 8.0s and 6 iterations. TraceHistogramMax:2. Analysis of lassos took 6.8s. Construction of modules took 0.1s. Büchi inclusion checks took 0.9s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 3. Automata minimization 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 17 StatesRemovedByMinimization, 3 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, 131 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 126 mSDsluCounter, 125 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 43 mSDsCounter, 18 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 131 IncrementalHoareTripleChecker+Invalid, 149 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 18 mSolverCounterUnsat, 82 mSDtfsCounter, 131 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT0 conc0 concLT0 SILN0 SILU1 SILI0 SILT0 lasso3 LassoPreprocessingBenchmarks: Lassos: inital158 mio100 ax111 hnf100 lsp83 ukn74 mio100 lsp55 div159 bol100 ite100 ukn100 eq156 hnf93 smp75 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 197ms VariablesStem: 9 VariablesLoop: 7 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2023-11-26 10:42:20,143 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_679c59e3-b2f2-4f77-ab00-4578755052cd/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2023-11-26 10:42:20,344 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_679c59e3-b2f2-4f77-ab00-4578755052cd/bin/uautomizer-verify-VRDe98Ueme/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