./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/lis-alloca-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/lis-alloca-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl --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 4073cc5fe0afdc3910807054eaaf7f0047f472ba2d7a571a291a999e2fa35b78 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 02:18:37,252 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 02:18:37,374 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Termination-64bit-Automizer_Default.epf [2023-11-12 02:18:37,378 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 02:18:37,379 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 02:18:37,420 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 02:18:37,422 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 02:18:37,423 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 02:18:37,424 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 02:18:37,430 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 02:18:37,430 INFO L153 SettingsManager]: * Use SBE=true [2023-11-12 02:18:37,431 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-12 02:18:37,431 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-12 02:18:37,433 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-12 02:18:37,434 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-12 02:18:37,434 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-12 02:18:37,435 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-12 02:18:37,436 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 02:18:37,436 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-12 02:18:37,437 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 02:18:37,437 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 02:18:37,438 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-12 02:18:37,439 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-12 02:18:37,439 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-12 02:18:37,440 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-12 02:18:37,440 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 02:18:37,441 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-12 02:18:37,441 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 02:18:37,442 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 02:18:37,442 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 02:18:37,444 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 02:18:37,444 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-12 02:18:37,445 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-12 02:18:37,445 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_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4073cc5fe0afdc3910807054eaaf7f0047f472ba2d7a571a291a999e2fa35b78 [2023-11-12 02:18:37,776 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 02:18:37,809 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 02:18:37,812 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 02:18:37,813 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 02:18:37,814 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 02:18:37,815 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/../../sv-benchmarks/c/termination-memory-alloca/lis-alloca-2.i [2023-11-12 02:18:40,962 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 02:18:41,300 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 02:18:41,305 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/sv-benchmarks/c/termination-memory-alloca/lis-alloca-2.i [2023-11-12 02:18:41,333 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/data/ed96c1605/ca5443bff7e9423b96ae2aa11eb56330/FLAG753452cd0 [2023-11-12 02:18:41,353 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/data/ed96c1605/ca5443bff7e9423b96ae2aa11eb56330 [2023-11-12 02:18:41,359 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 02:18:41,362 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 02:18:41,366 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 02:18:41,366 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 02:18:41,373 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 02:18:41,374 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:18:41" (1/1) ... [2023-11-12 02:18:41,376 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ee61a56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:18:41, skipping insertion in model container [2023-11-12 02:18:41,376 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:18:41" (1/1) ... [2023-11-12 02:18:41,441 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 02:18:41,744 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:18:41,766 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 02:18:41,848 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:18:41,886 INFO L206 MainTranslator]: Completed translation [2023-11-12 02:18:41,887 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:18:41 WrapperNode [2023-11-12 02:18:41,887 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 02:18:41,888 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 02:18:41,889 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 02:18:41,889 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 02:18:41,897 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:18:41" (1/1) ... [2023-11-12 02:18:41,913 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:18:41" (1/1) ... [2023-11-12 02:18:41,938 INFO L138 Inliner]: procedures = 111, calls = 23, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 103 [2023-11-12 02:18:41,940 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 02:18:41,942 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 02:18:41,942 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 02:18:41,942 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 02:18:41,952 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:18:41" (1/1) ... [2023-11-12 02:18:41,953 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:18:41" (1/1) ... [2023-11-12 02:18:41,956 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:18:41" (1/1) ... [2023-11-12 02:18:41,957 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:18:41" (1/1) ... [2023-11-12 02:18:41,965 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:18:41" (1/1) ... [2023-11-12 02:18:41,976 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:18:41" (1/1) ... [2023-11-12 02:18:41,978 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:18:41" (1/1) ... [2023-11-12 02:18:41,980 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:18:41" (1/1) ... [2023-11-12 02:18:41,983 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 02:18:41,984 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 02:18:41,985 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 02:18:41,985 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 02:18:41,991 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:18:41" (1/1) ... [2023-11-12 02:18:41,997 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:18:42,009 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:18:42,023 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:18:42,049 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-12 02:18:42,071 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-12 02:18:42,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-12 02:18:42,072 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 02:18:42,072 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 02:18:42,072 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 02:18:42,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 02:18:42,221 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 02:18:42,224 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 02:18:42,622 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 02:18:42,639 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 02:18:42,639 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-12 02:18:42,642 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:18:42 BoogieIcfgContainer [2023-11-12 02:18:42,642 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 02:18:42,643 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-11-12 02:18:42,643 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-11-12 02:18:42,648 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-11-12 02:18:42,649 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-12 02:18:42,649 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 12.11 02:18:41" (1/3) ... [2023-11-12 02:18:42,650 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3313991a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 12.11 02:18:42, skipping insertion in model container [2023-11-12 02:18:42,650 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-12 02:18:42,650 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:18:41" (2/3) ... [2023-11-12 02:18:42,651 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3313991a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 12.11 02:18:42, skipping insertion in model container [2023-11-12 02:18:42,651 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-12 02:18:42,651 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:18:42" (3/3) ... [2023-11-12 02:18:42,652 INFO L332 chiAutomizerObserver]: Analyzing ICFG lis-alloca-2.i [2023-11-12 02:18:42,711 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-11-12 02:18:42,711 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-11-12 02:18:42,712 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-11-12 02:18:42,712 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-11-12 02:18:42,712 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-11-12 02:18:42,712 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-11-12 02:18:42,712 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-11-12 02:18:42,712 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-11-12 02:18:42,716 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 22 states, 21 states have (on average 1.5714285714285714) internal successors, (33), 21 states have internal predecessors, (33), 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) [2023-11-12 02:18:42,734 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 11 [2023-11-12 02:18:42,734 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-12 02:18:42,735 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-12 02:18:42,740 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2023-11-12 02:18:42,740 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-12 02:18:42,740 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-11-12 02:18:42,741 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 22 states, 21 states have (on average 1.5714285714285714) internal successors, (33), 21 states have internal predecessors, (33), 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) [2023-11-12 02:18:42,743 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 11 [2023-11-12 02:18:42,743 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-12 02:18:42,743 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-12 02:18:42,744 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2023-11-12 02:18:42,744 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-12 02:18:42,752 INFO L748 eck$LassoCheckResult]: Stem: 20#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 13#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet16#1, main_#t~malloc17#1.base, main_#t~malloc17#1.offset, main_#t~ret18#1, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;havoc main_#t~nondet16#1;main_~array_size~0#1 := main_#t~nondet16#1;havoc main_#t~nondet16#1; 3#L565true assume !(main_~array_size~0#1 < 1); 18#L565-2true call main_#t~malloc17#1.base, main_#t~malloc17#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1 % 18446744073709551616);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc17#1.base, main_#t~malloc17#1.offset;assume { :begin_inline_lis } true;lis_#in~a#1.base, lis_#in~a#1.offset, lis_#in~N#1 := main_~numbers~0#1.base, main_~numbers~0#1.offset, main_~array_size~0#1;havoc lis_#res#1;havoc lis_#t~malloc2#1.base, lis_#t~malloc2#1.offset, lis_#t~malloc3#1.base, lis_#t~malloc3#1.offset, lis_#t~post4#1, lis_#t~mem7#1, lis_#t~mem8#1, lis_#t~mem10#1, lis_#t~mem9#1, lis_#t~short11#1, lis_#t~mem12#1, lis_#t~post6#1, lis_#t~post5#1, lis_#t~mem14#1, lis_#t~mem15#1, lis_#t~post13#1, lis_~a#1.base, lis_~a#1.offset, lis_~N#1, lis_~best~0#1.base, lis_~best~0#1.offset, lis_~prev~0#1.base, lis_~prev~0#1.offset, lis_~i~0#1, lis_~j~0#1, lis_~max~0#1;lis_~a#1.base, lis_~a#1.offset := lis_#in~a#1.base, lis_#in~a#1.offset;lis_~N#1 := lis_#in~N#1;havoc lis_~best~0#1.base, lis_~best~0#1.offset;havoc lis_~prev~0#1.base, lis_~prev~0#1.offset;havoc lis_~i~0#1;havoc lis_~j~0#1;lis_~max~0#1 := 0;call lis_#t~malloc2#1.base, lis_#t~malloc2#1.offset := #Ultimate.allocOnStack(4 * lis_~N#1 % 18446744073709551616);lis_~best~0#1.base, lis_~best~0#1.offset := lis_#t~malloc2#1.base, lis_#t~malloc2#1.offset;call lis_#t~malloc3#1.base, lis_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * lis_~N#1 % 18446744073709551616);lis_~prev~0#1.base, lis_~prev~0#1.offset := lis_#t~malloc3#1.base, lis_#t~malloc3#1.offset;lis_~i~0#1 := 0; 4#L552-3true [2023-11-12 02:18:42,752 INFO L750 eck$LassoCheckResult]: Loop: 4#L552-3true assume !!(lis_~i~0#1 < lis_~N#1);call write~int(1, lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~i~0#1, 4);call write~int(lis_~i~0#1, lis_~prev~0#1.base, lis_~prev~0#1.offset + 4 * lis_~i~0#1, 4); 15#L552-2true lis_#t~post4#1 := lis_~i~0#1;lis_~i~0#1 := 1 + lis_#t~post4#1;havoc lis_#t~post4#1; 4#L552-3true [2023-11-12 02:18:42,758 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:18:42,758 INFO L85 PathProgramCache]: Analyzing trace with hash 925669, now seen corresponding path program 1 times [2023-11-12 02:18:42,768 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:18:42,769 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [449970644] [2023-11-12 02:18:42,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:18:42,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:18:42,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:18:42,967 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:18:42,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:18:43,009 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:18:43,015 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:18:43,015 INFO L85 PathProgramCache]: Analyzing trace with hash 1507, now seen corresponding path program 1 times [2023-11-12 02:18:43,015 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:18:43,016 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [91851219] [2023-11-12 02:18:43,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:18:43,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:18:43,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:18:43,033 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:18:43,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:18:43,047 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:18:43,051 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:18:43,051 INFO L85 PathProgramCache]: Analyzing trace with hash 889568455, now seen corresponding path program 1 times [2023-11-12 02:18:43,051 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:18:43,052 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [105011993] [2023-11-12 02:18:43,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:18:43,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:18:43,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:18:43,125 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:18:43,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:18:43,160 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:18:44,264 INFO L210 LassoAnalysis]: Preferences: [2023-11-12 02:18:44,265 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-12 02:18:44,265 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-12 02:18:44,265 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-12 02:18:44,265 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-12 02:18:44,265 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:18:44,265 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-12 02:18:44,266 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-12 02:18:44,266 INFO L133 ssoRankerPreferences]: Filename of dumped script: lis-alloca-2.i_Iteration1_Lasso [2023-11-12 02:18:44,266 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-12 02:18:44,267 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-12 02:18:44,293 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:18:44,303 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:18:44,951 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:18:44,955 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:18:44,959 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:18:44,962 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:18:44,967 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:18:44,971 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:18:44,977 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:18:44,982 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:18:44,986 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:18:44,994 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:18:44,997 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:18:45,001 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:18:45,005 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:18:45,008 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:18:45,012 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:18:45,016 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:18:45,020 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:18:45,022 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:18:45,025 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:18:45,028 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:18:45,032 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:18:45,036 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:18:45,040 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:18:45,043 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:18:45,047 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:18:45,051 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:18:45,837 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-12 02:18:45,842 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-12 02:18:45,843 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:18:45,844 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:18:45,847 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:18:45,859 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 [2023-11-12 02:18:45,864 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2023-11-12 02:18:45,872 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:18:45,872 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-12 02:18:45,873 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:18:45,873 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:18:45,873 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:18:45,875 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-12 02:18:45,875 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-12 02:18:45,892 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:18:45,902 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2023-11-12 02:18:45,902 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:18:45,902 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:18:45,904 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:18:45,909 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2023-11-12 02:18:45,909 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 [2023-11-12 02:18:45,921 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:18:45,922 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:18:45,922 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:18:45,922 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:18:45,929 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-12 02:18:45,929 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-12 02:18:45,941 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:18:45,950 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2023-11-12 02:18:45,951 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:18:45,951 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:18:45,953 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:18:45,965 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 [2023-11-12 02:18:45,978 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:18:45,978 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-12 02:18:45,978 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:18:45,978 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:18:45,978 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:18:45,979 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-12 02:18:45,979 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-12 02:18:45,982 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2023-11-12 02:18:45,992 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:18:46,001 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2023-11-12 02:18:46,001 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:18:46,001 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:18:46,003 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:18:46,007 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 [2023-11-12 02:18:46,020 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:18:46,020 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:18:46,021 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:18:46,021 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:18:46,023 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2023-11-12 02:18:46,038 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-12 02:18:46,038 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-12 02:18:46,071 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-12 02:18:46,151 INFO L443 ModelExtractionUtils]: Simplification made 21 calls to the SMT solver. [2023-11-12 02:18:46,152 INFO L444 ModelExtractionUtils]: 6 out of 37 variables were initially zero. Simplification set additionally 28 variables to zero. [2023-11-12 02:18:46,153 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:18:46,153 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:18:46,183 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:18:46,191 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2023-11-12 02:18:46,191 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-12 02:18:46,224 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-11-12 02:18:46,225 INFO L513 LassoAnalysis]: Proved termination. [2023-11-12 02:18:46,225 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_lis_~N#1, ULTIMATE.start_lis_~i~0#1) = 1*ULTIMATE.start_lis_~N#1 - 1*ULTIMATE.start_lis_~i~0#1 Supporting invariants [] [2023-11-12 02:18:46,234 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2023-11-12 02:18:46,306 INFO L156 tatePredicateManager]: 16 out of 16 supporting invariants were superfluous and have been removed [2023-11-12 02:18:46,330 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:18:46,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:18:46,356 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-12 02:18:46,358 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:18:46,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:18:46,378 INFO L262 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-12 02:18:46,379 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:18:46,398 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:18:46,440 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 [2023-11-12 02:18:46,442 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 22 states, 21 states have (on average 1.5714285714285714) internal successors, (33), 21 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:18:46,518 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 22 states, 21 states have (on average 1.5714285714285714) internal successors, (33), 21 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 41 states and 64 transitions. Complement of second has 8 states. [2023-11-12 02:18:46,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2023-11-12 02:18:46,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:18:46,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 33 transitions. [2023-11-12 02:18:46,527 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 33 transitions. Stem has 4 letters. Loop has 2 letters. [2023-11-12 02:18:46,534 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-12 02:18:46,535 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 33 transitions. Stem has 6 letters. Loop has 2 letters. [2023-11-12 02:18:46,535 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-12 02:18:46,535 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 33 transitions. Stem has 4 letters. Loop has 4 letters. [2023-11-12 02:18:46,535 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-12 02:18:46,536 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 41 states and 64 transitions. [2023-11-12 02:18:46,539 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 9 [2023-11-12 02:18:46,546 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 41 states to 18 states and 28 transitions. [2023-11-12 02:18:46,547 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 15 [2023-11-12 02:18:46,547 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 16 [2023-11-12 02:18:46,548 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 28 transitions. [2023-11-12 02:18:46,548 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-12 02:18:46,548 INFO L218 hiAutomatonCegarLoop]: Abstraction has 18 states and 28 transitions. [2023-11-12 02:18:46,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states and 28 transitions. [2023-11-12 02:18:46,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2023-11-12 02:18:46,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 18 states have (on average 1.5555555555555556) internal successors, (28), 17 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:18:46,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 28 transitions. [2023-11-12 02:18:46,579 INFO L240 hiAutomatonCegarLoop]: Abstraction has 18 states and 28 transitions. [2023-11-12 02:18:46,580 INFO L428 stractBuchiCegarLoop]: Abstraction has 18 states and 28 transitions. [2023-11-12 02:18:46,580 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-11-12 02:18:46,580 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states and 28 transitions. [2023-11-12 02:18:46,581 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 9 [2023-11-12 02:18:46,581 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-12 02:18:46,581 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-12 02:18:46,582 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2023-11-12 02:18:46,582 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-12 02:18:46,582 INFO L748 eck$LassoCheckResult]: Stem: 189#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 188#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet16#1, main_#t~malloc17#1.base, main_#t~malloc17#1.offset, main_#t~ret18#1, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;havoc main_#t~nondet16#1;main_~array_size~0#1 := main_#t~nondet16#1;havoc main_#t~nondet16#1; 172#L565 assume !(main_~array_size~0#1 < 1); 173#L565-2 call main_#t~malloc17#1.base, main_#t~malloc17#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1 % 18446744073709551616);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc17#1.base, main_#t~malloc17#1.offset;assume { :begin_inline_lis } true;lis_#in~a#1.base, lis_#in~a#1.offset, lis_#in~N#1 := main_~numbers~0#1.base, main_~numbers~0#1.offset, main_~array_size~0#1;havoc lis_#res#1;havoc lis_#t~malloc2#1.base, lis_#t~malloc2#1.offset, lis_#t~malloc3#1.base, lis_#t~malloc3#1.offset, lis_#t~post4#1, lis_#t~mem7#1, lis_#t~mem8#1, lis_#t~mem10#1, lis_#t~mem9#1, lis_#t~short11#1, lis_#t~mem12#1, lis_#t~post6#1, lis_#t~post5#1, lis_#t~mem14#1, lis_#t~mem15#1, lis_#t~post13#1, lis_~a#1.base, lis_~a#1.offset, lis_~N#1, lis_~best~0#1.base, lis_~best~0#1.offset, lis_~prev~0#1.base, lis_~prev~0#1.offset, lis_~i~0#1, lis_~j~0#1, lis_~max~0#1;lis_~a#1.base, lis_~a#1.offset := lis_#in~a#1.base, lis_#in~a#1.offset;lis_~N#1 := lis_#in~N#1;havoc lis_~best~0#1.base, lis_~best~0#1.offset;havoc lis_~prev~0#1.base, lis_~prev~0#1.offset;havoc lis_~i~0#1;havoc lis_~j~0#1;lis_~max~0#1 := 0;call lis_#t~malloc2#1.base, lis_#t~malloc2#1.offset := #Ultimate.allocOnStack(4 * lis_~N#1 % 18446744073709551616);lis_~best~0#1.base, lis_~best~0#1.offset := lis_#t~malloc2#1.base, lis_#t~malloc2#1.offset;call lis_#t~malloc3#1.base, lis_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * lis_~N#1 % 18446744073709551616);lis_~prev~0#1.base, lis_~prev~0#1.offset := lis_#t~malloc3#1.base, lis_#t~malloc3#1.offset;lis_~i~0#1 := 0; 174#L552-3 assume !(lis_~i~0#1 < lis_~N#1); 176#L552-4 lis_~i~0#1 := 1; 178#L554-3 [2023-11-12 02:18:46,583 INFO L750 eck$LassoCheckResult]: Loop: 178#L554-3 assume !!(lis_~i~0#1 < lis_~N#1);lis_~j~0#1 := 0; 179#L555-3 assume !(lis_~j~0#1 < lis_~i~0#1); 180#L554-2 lis_#t~post5#1 := lis_~i~0#1;lis_~i~0#1 := 1 + lis_#t~post5#1;havoc lis_#t~post5#1; 178#L554-3 [2023-11-12 02:18:46,583 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:18:46,583 INFO L85 PathProgramCache]: Analyzing trace with hash 889568397, now seen corresponding path program 1 times [2023-11-12 02:18:46,584 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:18:46,584 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019037681] [2023-11-12 02:18:46,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:18:46,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:18:46,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:18:46,797 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:18:46,797 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:18:46,798 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019037681] [2023-11-12 02:18:46,799 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2019037681] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:18:46,799 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:18:46,799 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-12 02:18:46,799 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [264969382] [2023-11-12 02:18:46,800 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:18:46,802 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-12 02:18:46,803 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:18:46,804 INFO L85 PathProgramCache]: Analyzing trace with hash 60785, now seen corresponding path program 1 times [2023-11-12 02:18:46,804 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:18:46,804 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1843902471] [2023-11-12 02:18:46,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:18:46,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:18:46,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:18:46,837 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:18:46,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:18:46,844 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:18:46,847 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2023-11-12 02:18:46,874 INFO L210 LassoAnalysis]: Preferences: [2023-11-12 02:18:46,874 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-12 02:18:46,874 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-12 02:18:46,874 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-12 02:18:46,874 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-11-12 02:18:46,875 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:18:46,875 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-12 02:18:46,875 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-12 02:18:46,875 INFO L133 ssoRankerPreferences]: Filename of dumped script: lis-alloca-2.i_Iteration2_Loop [2023-11-12 02:18:46,875 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-12 02:18:46,875 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-12 02:18:46,876 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:18:46,879 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:18:46,883 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:18:46,886 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:18:46,895 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:18:46,898 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:18:46,958 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-12 02:18:46,959 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-11-12 02:18:46,961 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:18:46,961 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:18:46,962 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:18:46,976 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-12 02:18:46,976 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-12 02:18:46,989 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2023-11-12 02:18:47,001 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-12 02:18:47,001 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_lis_#t~post5#1=0} Honda state: {ULTIMATE.start_lis_#t~post5#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-11-12 02:18:47,015 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2023-11-12 02:18:47,015 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:18:47,015 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:18:47,016 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:18:47,029 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-12 02:18:47,029 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-12 02:18:47,043 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2023-11-12 02:18:47,052 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-12 02:18:47,052 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~P_PGID_2=2} Honda state: {v_rep~unnamed0~0~P_PGID_2=2} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-11-12 02:18:47,057 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2023-11-12 02:18:47,057 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:18:47,057 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:18:47,059 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:18:47,064 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2023-11-12 02:18:47,065 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-12 02:18:47,065 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-12 02:18:47,092 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-12 02:18:47,092 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~P_PID_2=1} Honda state: {v_rep~unnamed0~0~P_PID_2=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-11-12 02:18:47,100 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2023-11-12 02:18:47,101 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:18:47,101 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:18:47,102 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:18:47,112 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2023-11-12 02:18:47,113 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-12 02:18:47,113 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-12 02:18:47,138 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2023-11-12 02:18:47,139 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:18:47,139 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:18:47,141 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:18:47,152 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2023-11-12 02:18:47,153 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-11-12 02:18:47,153 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-12 02:18:47,183 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-11-12 02:18:47,192 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2023-11-12 02:18:47,192 INFO L210 LassoAnalysis]: Preferences: [2023-11-12 02:18:47,193 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-12 02:18:47,193 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-12 02:18:47,193 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-12 02:18:47,193 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-12 02:18:47,193 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:18:47,193 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-12 02:18:47,193 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-12 02:18:47,193 INFO L133 ssoRankerPreferences]: Filename of dumped script: lis-alloca-2.i_Iteration2_Loop [2023-11-12 02:18:47,194 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-12 02:18:47,194 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-12 02:18:47,195 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:18:47,201 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:18:47,204 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:18:47,212 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:18:47,215 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:18:47,218 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:18:47,275 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-12 02:18:47,276 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-12 02:18:47,276 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:18:47,276 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:18:47,277 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:18:47,286 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 [2023-11-12 02:18:47,298 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:18:47,298 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-12 02:18:47,298 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:18:47,299 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:18:47,299 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:18:47,299 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-12 02:18:47,299 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-12 02:18:47,300 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2023-11-12 02:18:47,316 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:18:47,324 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2023-11-12 02:18:47,325 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:18:47,325 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:18:47,326 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:18:47,333 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 [2023-11-12 02:18:47,346 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:18:47,346 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:18:47,346 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:18:47,346 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:18:47,350 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-12 02:18:47,350 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-12 02:18:47,351 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2023-11-12 02:18:47,361 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:18:47,373 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2023-11-12 02:18:47,373 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:18:47,373 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:18:47,374 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:18:47,384 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2023-11-12 02:18:47,385 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-12 02:18:47,397 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:18:47,398 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-12 02:18:47,398 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:18:47,398 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:18:47,398 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:18:47,399 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-12 02:18:47,399 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-12 02:18:47,413 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-12 02:18:47,427 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2023-11-12 02:18:47,427 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 0 variables to zero. [2023-11-12 02:18:47,428 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:18:47,428 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:18:47,429 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:18:47,438 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-12 02:18:47,438 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2023-11-12 02:18:47,438 INFO L513 LassoAnalysis]: Proved termination. [2023-11-12 02:18:47,438 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_lis_~i~0#1) = -2*ULTIMATE.start_lis_~i~0#1 + 1 Supporting invariants [] [2023-11-12 02:18:47,448 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2023-11-12 02:18:47,448 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2023-11-12 02:18:47,449 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-11-12 02:18:47,465 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:18:47,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:18:47,497 INFO L262 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-12 02:18:47,498 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:18:47,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:18:47,513 WARN L260 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-12 02:18:47,513 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:18:47,559 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:18:47,561 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 [2023-11-12 02:18:47,561 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 18 states and 28 transitions. cyclomatic complexity: 13 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) [2023-11-12 02:18:47,674 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 18 states and 28 transitions. cyclomatic complexity: 13. 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 49 states and 84 transitions. Complement of second has 10 states. [2023-11-12 02:18:47,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2023-11-12 02:18:47,676 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) [2023-11-12 02:18:47,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 50 transitions. [2023-11-12 02:18:47,678 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 50 transitions. Stem has 6 letters. Loop has 3 letters. [2023-11-12 02:18:47,679 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-12 02:18:47,679 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 50 transitions. Stem has 9 letters. Loop has 3 letters. [2023-11-12 02:18:47,679 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-12 02:18:47,679 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 50 transitions. Stem has 6 letters. Loop has 6 letters. [2023-11-12 02:18:47,679 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-12 02:18:47,680 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 49 states and 84 transitions. [2023-11-12 02:18:47,692 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 13 [2023-11-12 02:18:47,695 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 49 states to 37 states and 57 transitions. [2023-11-12 02:18:47,695 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 21 [2023-11-12 02:18:47,695 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 23 [2023-11-12 02:18:47,695 INFO L73 IsDeterministic]: Start isDeterministic. Operand 37 states and 57 transitions. [2023-11-12 02:18:47,695 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-12 02:18:47,695 INFO L218 hiAutomatonCegarLoop]: Abstraction has 37 states and 57 transitions. [2023-11-12 02:18:47,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states and 57 transitions. [2023-11-12 02:18:47,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 29. [2023-11-12 02:18:47,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 29 states have (on average 1.5517241379310345) internal successors, (45), 28 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:18:47,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 45 transitions. [2023-11-12 02:18:47,704 INFO L240 hiAutomatonCegarLoop]: Abstraction has 29 states and 45 transitions. [2023-11-12 02:18:47,704 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:18:47,706 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-12 02:18:47,707 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-12 02:18:47,708 INFO L87 Difference]: Start difference. First operand 29 states and 45 transitions. Second operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:18:47,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:18:47,768 INFO L93 Difference]: Finished difference Result 30 states and 45 transitions. [2023-11-12 02:18:47,768 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 30 states and 45 transitions. [2023-11-12 02:18:47,771 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 10 [2023-11-12 02:18:47,773 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 30 states to 30 states and 45 transitions. [2023-11-12 02:18:47,773 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 18 [2023-11-12 02:18:47,773 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 18 [2023-11-12 02:18:47,773 INFO L73 IsDeterministic]: Start isDeterministic. Operand 30 states and 45 transitions. [2023-11-12 02:18:47,774 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-12 02:18:47,774 INFO L218 hiAutomatonCegarLoop]: Abstraction has 30 states and 45 transitions. [2023-11-12 02:18:47,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states and 45 transitions. [2023-11-12 02:18:47,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 29. [2023-11-12 02:18:47,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 29 states have (on average 1.5172413793103448) internal successors, (44), 28 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:18:47,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 44 transitions. [2023-11-12 02:18:47,780 INFO L240 hiAutomatonCegarLoop]: Abstraction has 29 states and 44 transitions. [2023-11-12 02:18:47,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-12 02:18:47,782 INFO L428 stractBuchiCegarLoop]: Abstraction has 29 states and 44 transitions. [2023-11-12 02:18:47,783 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2023-11-12 02:18:47,783 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 29 states and 44 transitions. [2023-11-12 02:18:47,785 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 10 [2023-11-12 02:18:47,785 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-12 02:18:47,785 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-12 02:18:47,786 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:18:47,786 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:18:47,786 INFO L748 eck$LassoCheckResult]: Stem: 383#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 377#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet16#1, main_#t~malloc17#1.base, main_#t~malloc17#1.offset, main_#t~ret18#1, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;havoc main_#t~nondet16#1;main_~array_size~0#1 := main_#t~nondet16#1;havoc main_#t~nondet16#1; 356#L565 assume !(main_~array_size~0#1 < 1); 357#L565-2 call main_#t~malloc17#1.base, main_#t~malloc17#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1 % 18446744073709551616);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc17#1.base, main_#t~malloc17#1.offset;assume { :begin_inline_lis } true;lis_#in~a#1.base, lis_#in~a#1.offset, lis_#in~N#1 := main_~numbers~0#1.base, main_~numbers~0#1.offset, main_~array_size~0#1;havoc lis_#res#1;havoc lis_#t~malloc2#1.base, lis_#t~malloc2#1.offset, lis_#t~malloc3#1.base, lis_#t~malloc3#1.offset, lis_#t~post4#1, lis_#t~mem7#1, lis_#t~mem8#1, lis_#t~mem10#1, lis_#t~mem9#1, lis_#t~short11#1, lis_#t~mem12#1, lis_#t~post6#1, lis_#t~post5#1, lis_#t~mem14#1, lis_#t~mem15#1, lis_#t~post13#1, lis_~a#1.base, lis_~a#1.offset, lis_~N#1, lis_~best~0#1.base, lis_~best~0#1.offset, lis_~prev~0#1.base, lis_~prev~0#1.offset, lis_~i~0#1, lis_~j~0#1, lis_~max~0#1;lis_~a#1.base, lis_~a#1.offset := lis_#in~a#1.base, lis_#in~a#1.offset;lis_~N#1 := lis_#in~N#1;havoc lis_~best~0#1.base, lis_~best~0#1.offset;havoc lis_~prev~0#1.base, lis_~prev~0#1.offset;havoc lis_~i~0#1;havoc lis_~j~0#1;lis_~max~0#1 := 0;call lis_#t~malloc2#1.base, lis_#t~malloc2#1.offset := #Ultimate.allocOnStack(4 * lis_~N#1 % 18446744073709551616);lis_~best~0#1.base, lis_~best~0#1.offset := lis_#t~malloc2#1.base, lis_#t~malloc2#1.offset;call lis_#t~malloc3#1.base, lis_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * lis_~N#1 % 18446744073709551616);lis_~prev~0#1.base, lis_~prev~0#1.offset := lis_#t~malloc3#1.base, lis_#t~malloc3#1.offset;lis_~i~0#1 := 0; 358#L552-3 assume !!(lis_~i~0#1 < lis_~N#1);call write~int(1, lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~i~0#1, 4);call write~int(lis_~i~0#1, lis_~prev~0#1.base, lis_~prev~0#1.offset + 4 * lis_~i~0#1, 4); 359#L552-2 lis_#t~post4#1 := lis_~i~0#1;lis_~i~0#1 := 1 + lis_#t~post4#1;havoc lis_#t~post4#1; 360#L552-3 assume !(lis_~i~0#1 < lis_~N#1); 361#L552-4 lis_~i~0#1 := 1; 362#L554-3 assume !!(lis_~i~0#1 < lis_~N#1);lis_~j~0#1 := 0; 363#L555-3 [2023-11-12 02:18:47,786 INFO L750 eck$LassoCheckResult]: Loop: 363#L555-3 assume !!(lis_~j~0#1 < lis_~i~0#1);call lis_#t~mem7#1 := read~int(lis_~a#1.base, lis_~a#1.offset + 4 * lis_~i~0#1, 4);call lis_#t~mem8#1 := read~int(lis_~a#1.base, lis_~a#1.offset + 4 * lis_~j~0#1, 4);lis_#t~short11#1 := lis_#t~mem7#1 > lis_#t~mem8#1; 364#L556 assume lis_#t~short11#1;call lis_#t~mem10#1 := read~int(lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~i~0#1, 4);call lis_#t~mem9#1 := read~int(lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~j~0#1, 4);lis_#t~short11#1 := lis_#t~mem10#1 < 1 + lis_#t~mem9#1; 370#L556-2 assume lis_#t~short11#1;havoc lis_#t~mem7#1;havoc lis_#t~mem8#1;havoc lis_#t~mem10#1;havoc lis_#t~mem9#1;havoc lis_#t~short11#1;call lis_#t~mem12#1 := read~int(lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~j~0#1, 4);call write~int(1 + lis_#t~mem12#1, lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~i~0#1, 4);havoc lis_#t~mem12#1;call write~int(lis_~j~0#1, lis_~prev~0#1.base, lis_~prev~0#1.offset + 4 * lis_~i~0#1, 4); 372#L555-2 lis_#t~post6#1 := lis_~j~0#1;lis_~j~0#1 := 1 + lis_#t~post6#1;havoc lis_#t~post6#1; 374#L555-3 assume !(lis_~j~0#1 < lis_~i~0#1); 379#L554-2 lis_#t~post5#1 := lis_~i~0#1;lis_~i~0#1 := 1 + lis_#t~post5#1;havoc lis_#t~post5#1; 380#L554-3 assume !!(lis_~i~0#1 < lis_~N#1);lis_~j~0#1 := 0; 363#L555-3 [2023-11-12 02:18:47,787 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:18:47,787 INFO L85 PathProgramCache]: Analyzing trace with hash 1185641744, now seen corresponding path program 1 times [2023-11-12 02:18:47,790 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:18:47,791 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1881997724] [2023-11-12 02:18:47,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:18:47,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:18:47,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:18:47,957 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:18:47,957 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:18:47,957 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1881997724] [2023-11-12 02:18:47,958 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1881997724] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-12 02:18:47,958 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [915084678] [2023-11-12 02:18:47,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:18:47,958 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:18:47,958 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:18:47,959 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 02:18:47,980 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2023-11-12 02:18:48,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:18:48,035 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-12 02:18:48,036 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:18:48,075 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:18:48,075 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 02:18:48,120 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:18:48,120 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [915084678] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-12 02:18:48,120 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-12 02:18:48,121 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 8 [2023-11-12 02:18:48,121 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1104332121] [2023-11-12 02:18:48,121 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-12 02:18:48,121 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-12 02:18:48,122 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:18:48,122 INFO L85 PathProgramCache]: Analyzing trace with hash -1050911964, now seen corresponding path program 1 times [2023-11-12 02:18:48,122 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:18:48,122 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1829557448] [2023-11-12 02:18:48,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:18:48,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:18:48,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:18:48,137 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:18:48,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:18:48,151 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:18:48,564 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:18:48,565 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-12 02:18:48,565 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2023-11-12 02:18:48,565 INFO L87 Difference]: Start difference. First operand 29 states and 44 transitions. cyclomatic complexity: 19 Second operand has 9 states, 8 states have (on average 2.0) internal successors, (16), 9 states have internal predecessors, (16), 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) [2023-11-12 02:18:48,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:18:48,692 INFO L93 Difference]: Finished difference Result 59 states and 84 transitions. [2023-11-12 02:18:48,692 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 59 states and 84 transitions. [2023-11-12 02:18:48,693 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 14 [2023-11-12 02:18:48,694 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 59 states to 51 states and 74 transitions. [2023-11-12 02:18:48,694 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 30 [2023-11-12 02:18:48,694 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 30 [2023-11-12 02:18:48,695 INFO L73 IsDeterministic]: Start isDeterministic. Operand 51 states and 74 transitions. [2023-11-12 02:18:48,695 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-12 02:18:48,695 INFO L218 hiAutomatonCegarLoop]: Abstraction has 51 states and 74 transitions. [2023-11-12 02:18:48,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states and 74 transitions. [2023-11-12 02:18:48,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 31. [2023-11-12 02:18:48,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 31 states have (on average 1.4516129032258065) internal successors, (45), 30 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:18:48,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 45 transitions. [2023-11-12 02:18:48,698 INFO L240 hiAutomatonCegarLoop]: Abstraction has 31 states and 45 transitions. [2023-11-12 02:18:48,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-12 02:18:48,699 INFO L428 stractBuchiCegarLoop]: Abstraction has 31 states and 45 transitions. [2023-11-12 02:18:48,699 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2023-11-12 02:18:48,700 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 31 states and 45 transitions. [2023-11-12 02:18:48,700 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 10 [2023-11-12 02:18:48,700 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-12 02:18:48,700 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-12 02:18:48,701 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:18:48,701 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:18:48,701 INFO L748 eck$LassoCheckResult]: Stem: 536#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 530#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet16#1, main_#t~malloc17#1.base, main_#t~malloc17#1.offset, main_#t~ret18#1, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;havoc main_#t~nondet16#1;main_~array_size~0#1 := main_#t~nondet16#1;havoc main_#t~nondet16#1; 508#L565 assume !(main_~array_size~0#1 < 1); 509#L565-2 call main_#t~malloc17#1.base, main_#t~malloc17#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1 % 18446744073709551616);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc17#1.base, main_#t~malloc17#1.offset;assume { :begin_inline_lis } true;lis_#in~a#1.base, lis_#in~a#1.offset, lis_#in~N#1 := main_~numbers~0#1.base, main_~numbers~0#1.offset, main_~array_size~0#1;havoc lis_#res#1;havoc lis_#t~malloc2#1.base, lis_#t~malloc2#1.offset, lis_#t~malloc3#1.base, lis_#t~malloc3#1.offset, lis_#t~post4#1, lis_#t~mem7#1, lis_#t~mem8#1, lis_#t~mem10#1, lis_#t~mem9#1, lis_#t~short11#1, lis_#t~mem12#1, lis_#t~post6#1, lis_#t~post5#1, lis_#t~mem14#1, lis_#t~mem15#1, lis_#t~post13#1, lis_~a#1.base, lis_~a#1.offset, lis_~N#1, lis_~best~0#1.base, lis_~best~0#1.offset, lis_~prev~0#1.base, lis_~prev~0#1.offset, lis_~i~0#1, lis_~j~0#1, lis_~max~0#1;lis_~a#1.base, lis_~a#1.offset := lis_#in~a#1.base, lis_#in~a#1.offset;lis_~N#1 := lis_#in~N#1;havoc lis_~best~0#1.base, lis_~best~0#1.offset;havoc lis_~prev~0#1.base, lis_~prev~0#1.offset;havoc lis_~i~0#1;havoc lis_~j~0#1;lis_~max~0#1 := 0;call lis_#t~malloc2#1.base, lis_#t~malloc2#1.offset := #Ultimate.allocOnStack(4 * lis_~N#1 % 18446744073709551616);lis_~best~0#1.base, lis_~best~0#1.offset := lis_#t~malloc2#1.base, lis_#t~malloc2#1.offset;call lis_#t~malloc3#1.base, lis_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * lis_~N#1 % 18446744073709551616);lis_~prev~0#1.base, lis_~prev~0#1.offset := lis_#t~malloc3#1.base, lis_#t~malloc3#1.offset;lis_~i~0#1 := 0; 510#L552-3 assume !!(lis_~i~0#1 < lis_~N#1);call write~int(1, lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~i~0#1, 4);call write~int(lis_~i~0#1, lis_~prev~0#1.base, lis_~prev~0#1.offset + 4 * lis_~i~0#1, 4); 511#L552-2 lis_#t~post4#1 := lis_~i~0#1;lis_~i~0#1 := 1 + lis_#t~post4#1;havoc lis_#t~post4#1; 512#L552-3 assume !!(lis_~i~0#1 < lis_~N#1);call write~int(1, lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~i~0#1, 4);call write~int(lis_~i~0#1, lis_~prev~0#1.base, lis_~prev~0#1.offset + 4 * lis_~i~0#1, 4); 513#L552-2 lis_#t~post4#1 := lis_~i~0#1;lis_~i~0#1 := 1 + lis_#t~post4#1;havoc lis_#t~post4#1; 537#L552-3 assume !(lis_~i~0#1 < lis_~N#1); 514#L552-4 lis_~i~0#1 := 1; 515#L554-3 assume !!(lis_~i~0#1 < lis_~N#1);lis_~j~0#1 := 0; 516#L555-3 [2023-11-12 02:18:48,701 INFO L750 eck$LassoCheckResult]: Loop: 516#L555-3 assume !!(lis_~j~0#1 < lis_~i~0#1);call lis_#t~mem7#1 := read~int(lis_~a#1.base, lis_~a#1.offset + 4 * lis_~i~0#1, 4);call lis_#t~mem8#1 := read~int(lis_~a#1.base, lis_~a#1.offset + 4 * lis_~j~0#1, 4);lis_#t~short11#1 := lis_#t~mem7#1 > lis_#t~mem8#1; 517#L556 assume lis_#t~short11#1;call lis_#t~mem10#1 := read~int(lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~i~0#1, 4);call lis_#t~mem9#1 := read~int(lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~j~0#1, 4);lis_#t~short11#1 := lis_#t~mem10#1 < 1 + lis_#t~mem9#1; 521#L556-2 assume lis_#t~short11#1;havoc lis_#t~mem7#1;havoc lis_#t~mem8#1;havoc lis_#t~mem10#1;havoc lis_#t~mem9#1;havoc lis_#t~short11#1;call lis_#t~mem12#1 := read~int(lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~j~0#1, 4);call write~int(1 + lis_#t~mem12#1, lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~i~0#1, 4);havoc lis_#t~mem12#1;call write~int(lis_~j~0#1, lis_~prev~0#1.base, lis_~prev~0#1.offset + 4 * lis_~i~0#1, 4); 525#L555-2 lis_#t~post6#1 := lis_~j~0#1;lis_~j~0#1 := 1 + lis_#t~post6#1;havoc lis_#t~post6#1; 527#L555-3 assume !(lis_~j~0#1 < lis_~i~0#1); 532#L554-2 lis_#t~post5#1 := lis_~i~0#1;lis_~i~0#1 := 1 + lis_#t~post5#1;havoc lis_#t~post5#1; 533#L554-3 assume !!(lis_~i~0#1 < lis_~N#1);lis_~j~0#1 := 0; 516#L555-3 [2023-11-12 02:18:48,702 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:18:48,702 INFO L85 PathProgramCache]: Analyzing trace with hash 1237095790, now seen corresponding path program 2 times [2023-11-12 02:18:48,702 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:18:48,702 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1701522831] [2023-11-12 02:18:48,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:18:48,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:18:48,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:18:48,727 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:18:48,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:18:48,747 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:18:48,747 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:18:48,748 INFO L85 PathProgramCache]: Analyzing trace with hash -1050911964, now seen corresponding path program 2 times [2023-11-12 02:18:48,748 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:18:48,748 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [61737800] [2023-11-12 02:18:48,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:18:48,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:18:48,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:18:48,761 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:18:48,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:18:48,773 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:18:48,773 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:18:48,773 INFO L85 PathProgramCache]: Analyzing trace with hash -1776402153, now seen corresponding path program 1 times [2023-11-12 02:18:48,773 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:18:48,774 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1071565025] [2023-11-12 02:18:48,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:18:48,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:18:48,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:18:48,844 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2023-11-12 02:18:48,990 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-12 02:18:48,991 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:18:48,991 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1071565025] [2023-11-12 02:18:48,991 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1071565025] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-12 02:18:48,991 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [673944979] [2023-11-12 02:18:48,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:18:48,992 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:18:48,993 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:18:48,994 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 02:18:49,008 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2023-11-12 02:18:49,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:18:49,092 INFO L262 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-12 02:18:49,094 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:18:49,175 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-12 02:18:49,176 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 02:18:49,233 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-12 02:18:49,234 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [673944979] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-12 02:18:49,234 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-12 02:18:49,234 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 11 [2023-11-12 02:18:49,234 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [980434095] [2023-11-12 02:18:49,234 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-12 02:18:49,685 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:18:49,686 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-12 02:18:49,686 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2023-11-12 02:18:49,686 INFO L87 Difference]: Start difference. First operand 31 states and 45 transitions. cyclomatic complexity: 18 Second operand has 12 states, 11 states have (on average 3.4545454545454546) internal successors, (38), 12 states have internal predecessors, (38), 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) [2023-11-12 02:18:49,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:18:49,872 INFO L93 Difference]: Finished difference Result 99 states and 142 transitions. [2023-11-12 02:18:49,872 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 99 states and 142 transitions. [2023-11-12 02:18:49,874 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 22 [2023-11-12 02:18:49,875 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 99 states to 79 states and 114 transitions. [2023-11-12 02:18:49,875 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 47 [2023-11-12 02:18:49,875 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 47 [2023-11-12 02:18:49,875 INFO L73 IsDeterministic]: Start isDeterministic. Operand 79 states and 114 transitions. [2023-11-12 02:18:49,875 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-12 02:18:49,875 INFO L218 hiAutomatonCegarLoop]: Abstraction has 79 states and 114 transitions. [2023-11-12 02:18:49,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states and 114 transitions. [2023-11-12 02:18:49,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 49. [2023-11-12 02:18:49,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 49 states have (on average 1.4489795918367347) internal successors, (71), 48 states have internal predecessors, (71), 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) [2023-11-12 02:18:49,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 71 transitions. [2023-11-12 02:18:49,881 INFO L240 hiAutomatonCegarLoop]: Abstraction has 49 states and 71 transitions. [2023-11-12 02:18:49,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-12 02:18:49,882 INFO L428 stractBuchiCegarLoop]: Abstraction has 49 states and 71 transitions. [2023-11-12 02:18:49,882 INFO L335 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2023-11-12 02:18:49,882 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 49 states and 71 transitions. [2023-11-12 02:18:49,883 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 18 [2023-11-12 02:18:49,883 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-12 02:18:49,883 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-12 02:18:49,884 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:18:49,884 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2023-11-12 02:18:49,884 INFO L748 eck$LassoCheckResult]: Stem: 788#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 783#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet16#1, main_#t~malloc17#1.base, main_#t~malloc17#1.offset, main_#t~ret18#1, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;havoc main_#t~nondet16#1;main_~array_size~0#1 := main_#t~nondet16#1;havoc main_#t~nondet16#1; 763#L565 assume !(main_~array_size~0#1 < 1); 764#L565-2 call main_#t~malloc17#1.base, main_#t~malloc17#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1 % 18446744073709551616);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc17#1.base, main_#t~malloc17#1.offset;assume { :begin_inline_lis } true;lis_#in~a#1.base, lis_#in~a#1.offset, lis_#in~N#1 := main_~numbers~0#1.base, main_~numbers~0#1.offset, main_~array_size~0#1;havoc lis_#res#1;havoc lis_#t~malloc2#1.base, lis_#t~malloc2#1.offset, lis_#t~malloc3#1.base, lis_#t~malloc3#1.offset, lis_#t~post4#1, lis_#t~mem7#1, lis_#t~mem8#1, lis_#t~mem10#1, lis_#t~mem9#1, lis_#t~short11#1, lis_#t~mem12#1, lis_#t~post6#1, lis_#t~post5#1, lis_#t~mem14#1, lis_#t~mem15#1, lis_#t~post13#1, lis_~a#1.base, lis_~a#1.offset, lis_~N#1, lis_~best~0#1.base, lis_~best~0#1.offset, lis_~prev~0#1.base, lis_~prev~0#1.offset, lis_~i~0#1, lis_~j~0#1, lis_~max~0#1;lis_~a#1.base, lis_~a#1.offset := lis_#in~a#1.base, lis_#in~a#1.offset;lis_~N#1 := lis_#in~N#1;havoc lis_~best~0#1.base, lis_~best~0#1.offset;havoc lis_~prev~0#1.base, lis_~prev~0#1.offset;havoc lis_~i~0#1;havoc lis_~j~0#1;lis_~max~0#1 := 0;call lis_#t~malloc2#1.base, lis_#t~malloc2#1.offset := #Ultimate.allocOnStack(4 * lis_~N#1 % 18446744073709551616);lis_~best~0#1.base, lis_~best~0#1.offset := lis_#t~malloc2#1.base, lis_#t~malloc2#1.offset;call lis_#t~malloc3#1.base, lis_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * lis_~N#1 % 18446744073709551616);lis_~prev~0#1.base, lis_~prev~0#1.offset := lis_#t~malloc3#1.base, lis_#t~malloc3#1.offset;lis_~i~0#1 := 0; 765#L552-3 assume !!(lis_~i~0#1 < lis_~N#1);call write~int(1, lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~i~0#1, 4);call write~int(lis_~i~0#1, lis_~prev~0#1.base, lis_~prev~0#1.offset + 4 * lis_~i~0#1, 4); 766#L552-2 lis_#t~post4#1 := lis_~i~0#1;lis_~i~0#1 := 1 + lis_#t~post4#1;havoc lis_#t~post4#1; 767#L552-3 assume !!(lis_~i~0#1 < lis_~N#1);call write~int(1, lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~i~0#1, 4);call write~int(lis_~i~0#1, lis_~prev~0#1.base, lis_~prev~0#1.offset + 4 * lis_~i~0#1, 4); 768#L552-2 lis_#t~post4#1 := lis_~i~0#1;lis_~i~0#1 := 1 + lis_#t~post4#1;havoc lis_#t~post4#1; 805#L552-3 assume !(lis_~i~0#1 < lis_~N#1); 769#L552-4 lis_~i~0#1 := 1; 770#L554-3 assume !!(lis_~i~0#1 < lis_~N#1);lis_~j~0#1 := 0; 771#L555-3 [2023-11-12 02:18:49,884 INFO L750 eck$LassoCheckResult]: Loop: 771#L555-3 assume !!(lis_~j~0#1 < lis_~i~0#1);call lis_#t~mem7#1 := read~int(lis_~a#1.base, lis_~a#1.offset + 4 * lis_~i~0#1, 4);call lis_#t~mem8#1 := read~int(lis_~a#1.base, lis_~a#1.offset + 4 * lis_~j~0#1, 4);lis_#t~short11#1 := lis_#t~mem7#1 > lis_#t~mem8#1; 772#L556 assume lis_#t~short11#1;call lis_#t~mem10#1 := read~int(lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~i~0#1, 4);call lis_#t~mem9#1 := read~int(lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~j~0#1, 4);lis_#t~short11#1 := lis_#t~mem10#1 < 1 + lis_#t~mem9#1; 776#L556-2 assume lis_#t~short11#1;havoc lis_#t~mem7#1;havoc lis_#t~mem8#1;havoc lis_#t~mem10#1;havoc lis_#t~mem9#1;havoc lis_#t~short11#1;call lis_#t~mem12#1 := read~int(lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~j~0#1, 4);call write~int(1 + lis_#t~mem12#1, lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~i~0#1, 4);havoc lis_#t~mem12#1;call write~int(lis_~j~0#1, lis_~prev~0#1.base, lis_~prev~0#1.offset + 4 * lis_~i~0#1, 4); 780#L555-2 lis_#t~post6#1 := lis_~j~0#1;lis_~j~0#1 := 1 + lis_#t~post6#1;havoc lis_#t~post6#1; 771#L555-3 [2023-11-12 02:18:49,885 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:18:49,885 INFO L85 PathProgramCache]: Analyzing trace with hash 1237095790, now seen corresponding path program 3 times [2023-11-12 02:18:49,885 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:18:49,885 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1736803280] [2023-11-12 02:18:49,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:18:49,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:18:49,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:18:49,919 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:18:49,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:18:49,951 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:18:49,952 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:18:49,952 INFO L85 PathProgramCache]: Analyzing trace with hash 2127272, now seen corresponding path program 1 times [2023-11-12 02:18:49,952 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:18:49,952 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [961058715] [2023-11-12 02:18:49,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:18:49,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:18:49,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:18:49,964 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:18:49,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:18:49,973 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:18:49,974 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:18:49,974 INFO L85 PathProgramCache]: Analyzing trace with hash 1166707861, now seen corresponding path program 1 times [2023-11-12 02:18:49,974 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:18:49,975 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1427678491] [2023-11-12 02:18:49,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:18:49,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:18:50,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:18:50,018 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:18:50,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:18:50,093 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:18:51,546 INFO L210 LassoAnalysis]: Preferences: [2023-11-12 02:18:51,546 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-12 02:18:51,546 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-12 02:18:51,546 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-12 02:18:51,547 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-12 02:18:51,547 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:18:51,547 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-12 02:18:51,547 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-12 02:18:51,547 INFO L133 ssoRankerPreferences]: Filename of dumped script: lis-alloca-2.i_Iteration5_Lasso [2023-11-12 02:18:51,547 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-12 02:18:51,547 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-12 02:18:51,552 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:18:51,555 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:18:51,558 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:18:51,560 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:18:51,563 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:18:51,566 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:18:51,569 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:18:51,573 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:18:51,576 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:18:51,580 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:18:51,583 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:18:51,587 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:18:51,590 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:18:51,594 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:18:51,597 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:18:51,601 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:18:51,605 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:18:51,609 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:18:51,612 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:18:51,614 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:18:51,618 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:18:51,621 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:18:51,624 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:18:51,628 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:18:51,631 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:18:51,634 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:18:51,638 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:18:51,642 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:18:51,644 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:18:53,018 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-12 02:18:53,018 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-12 02:18:53,018 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:18:53,018 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:18:53,028 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:18:53,034 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2023-11-12 02:18:53,035 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 [2023-11-12 02:18:53,048 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:18:53,048 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-12 02:18:53,048 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:18:53,048 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:18:53,048 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:18:53,049 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-12 02:18:53,049 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-12 02:18:53,054 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:18:53,063 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2023-11-12 02:18:53,063 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:18:53,063 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:18:53,064 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:18:53,073 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 [2023-11-12 02:18:53,085 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:18:53,085 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-12 02:18:53,085 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:18:53,085 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:18:53,086 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:18:53,087 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-12 02:18:53,087 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-12 02:18:53,088 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2023-11-12 02:18:53,100 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:18:53,103 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Ended with exit code 0 [2023-11-12 02:18:53,103 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:18:53,104 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:18:53,105 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:18:53,117 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 [2023-11-12 02:18:53,129 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:18:53,129 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-12 02:18:53,130 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:18:53,130 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:18:53,130 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:18:53,130 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-12 02:18:53,130 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-12 02:18:53,132 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2023-11-12 02:18:53,148 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:18:53,156 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2023-11-12 02:18:53,156 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:18:53,156 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:18:53,157 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:18:53,169 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 [2023-11-12 02:18:53,181 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:18:53,181 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-12 02:18:53,181 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:18:53,181 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:18:53,181 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:18:53,182 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-12 02:18:53,182 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-12 02:18:53,184 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2023-11-12 02:18:53,200 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:18:53,208 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2023-11-12 02:18:53,208 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:18:53,208 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:18:53,209 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:18:53,222 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 [2023-11-12 02:18:53,234 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:18:53,234 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:18:53,234 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:18:53,234 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:18:53,238 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-12 02:18:53,238 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-12 02:18:53,239 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2023-11-12 02:18:53,249 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:18:53,253 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2023-11-12 02:18:53,253 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:18:53,254 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:18:53,255 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:18:53,264 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 [2023-11-12 02:18:53,276 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:18:53,276 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-12 02:18:53,276 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:18:53,276 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:18:53,276 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:18:53,277 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-12 02:18:53,277 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-12 02:18:53,278 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2023-11-12 02:18:53,288 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:18:53,292 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2023-11-12 02:18:53,292 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:18:53,292 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:18:53,294 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:18:53,298 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2023-11-12 02:18:53,299 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 [2023-11-12 02:18:53,311 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:18:53,312 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:18:53,312 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:18:53,312 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:18:53,314 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-12 02:18:53,314 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-12 02:18:53,335 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:18:53,338 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2023-11-12 02:18:53,339 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:18:53,339 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:18:53,340 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:18:53,344 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 [2023-11-12 02:18:53,356 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:18:53,356 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:18:53,356 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:18:53,356 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:18:53,358 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-12 02:18:53,358 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-12 02:18:53,359 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2023-11-12 02:18:53,376 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:18:53,379 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2023-11-12 02:18:53,379 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:18:53,380 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:18:53,381 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:18:53,385 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-12 02:18:53,397 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:18:53,397 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:18:53,397 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:18:53,397 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:18:53,399 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-12 02:18:53,400 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-12 02:18:53,401 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2023-11-12 02:18:53,410 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:18:53,418 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2023-11-12 02:18:53,419 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:18:53,419 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:18:53,420 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:18:53,428 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 [2023-11-12 02:18:53,441 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2023-11-12 02:18:53,441 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:18:53,442 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-12 02:18:53,442 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:18:53,442 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:18:53,442 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:18:53,443 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-12 02:18:53,443 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-12 02:18:53,454 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:18:53,456 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2023-11-12 02:18:53,456 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:18:53,457 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:18:53,457 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:18:53,460 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2023-11-12 02:18:53,461 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 [2023-11-12 02:18:53,471 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:18:53,472 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:18:53,472 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:18:53,472 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:18:53,473 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-12 02:18:53,473 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-12 02:18:53,477 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:18:53,483 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2023-11-12 02:18:53,484 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:18:53,484 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:18:53,485 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:18:53,492 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2023-11-12 02:18:53,494 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 [2023-11-12 02:18:53,507 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:18:53,507 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-12 02:18:53,508 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:18:53,508 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:18:53,508 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:18:53,509 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-12 02:18:53,509 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-12 02:18:53,520 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:18:53,523 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2023-11-12 02:18:53,523 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:18:53,523 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:18:53,524 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:18:53,525 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2023-11-12 02:18:53,526 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-12 02:18:53,536 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:18:53,536 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-12 02:18:53,536 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:18:53,537 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:18:53,537 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:18:53,537 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-12 02:18:53,537 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-12 02:18:53,539 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:18:53,541 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2023-11-12 02:18:53,541 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:18:53,541 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:18:53,542 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:18:53,545 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 [2023-11-12 02:18:53,546 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2023-11-12 02:18:53,555 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:18:53,555 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-12 02:18:53,555 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:18:53,555 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:18:53,555 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:18:53,556 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-12 02:18:53,556 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-12 02:18:53,557 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:18:53,560 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2023-11-12 02:18:53,560 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:18:53,560 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:18:53,561 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:18:53,564 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2023-11-12 02:18:53,565 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 [2023-11-12 02:18:53,580 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:18:53,581 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:18:53,581 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:18:53,581 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:18:53,583 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-12 02:18:53,583 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-12 02:18:53,597 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:18:53,608 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2023-11-12 02:18:53,609 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:18:53,609 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:18:53,610 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:18:53,620 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 [2023-11-12 02:18:53,632 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:18:53,632 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-12 02:18:53,633 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:18:53,633 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:18:53,633 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:18:53,633 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-12 02:18:53,633 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-12 02:18:53,648 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:18:53,648 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2023-11-12 02:18:53,655 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2023-11-12 02:18:53,656 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:18:53,656 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:18:53,657 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:18:53,660 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 [2023-11-12 02:18:53,672 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:18:53,672 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:18:53,672 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:18:53,673 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:18:53,675 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-12 02:18:53,675 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-12 02:18:53,679 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2023-11-12 02:18:53,700 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:18:53,708 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2023-11-12 02:18:53,708 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:18:53,708 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:18:53,709 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:18:53,713 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 [2023-11-12 02:18:53,725 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:18:53,725 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-12 02:18:53,725 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:18:53,725 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:18:53,725 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:18:53,726 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-12 02:18:53,726 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-12 02:18:53,727 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2023-11-12 02:18:53,748 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:18:53,756 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2023-11-12 02:18:53,756 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:18:53,757 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:18:53,758 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:18:53,761 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 [2023-11-12 02:18:53,773 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:18:53,773 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-12 02:18:53,773 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:18:53,773 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:18:53,773 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:18:53,774 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-12 02:18:53,774 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-12 02:18:53,776 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2023-11-12 02:18:53,784 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:18:53,787 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2023-11-12 02:18:53,788 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:18:53,788 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:18:53,789 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:18:53,794 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-12 02:18:53,806 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:18:53,806 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:18:53,806 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:18:53,806 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:18:53,808 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-12 02:18:53,808 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-12 02:18:53,809 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2023-11-12 02:18:53,824 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:18:53,828 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2023-11-12 02:18:53,828 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:18:53,828 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:18:53,829 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:18:53,833 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 [2023-11-12 02:18:53,845 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:18:53,845 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-12 02:18:53,845 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:18:53,845 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:18:53,845 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:18:53,846 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-12 02:18:53,846 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-12 02:18:53,846 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2023-11-12 02:18:53,860 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:18:53,863 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2023-11-12 02:18:53,863 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:18:53,863 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:18:53,864 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:18:53,869 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 [2023-11-12 02:18:53,881 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:18:53,881 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:18:53,882 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:18:53,882 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:18:53,883 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-12 02:18:53,883 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-12 02:18:53,884 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2023-11-12 02:18:53,912 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:18:53,919 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2023-11-12 02:18:53,920 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:18:53,920 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:18:53,922 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:18:53,926 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 [2023-11-12 02:18:53,938 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:18:53,938 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:18:53,938 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:18:53,938 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:18:53,940 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-12 02:18:53,940 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-12 02:18:53,941 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2023-11-12 02:18:53,956 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:18:53,964 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2023-11-12 02:18:53,964 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:18:53,965 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:18:53,966 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:18:53,969 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 [2023-11-12 02:18:53,982 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:18:53,982 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-12 02:18:53,982 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:18:53,982 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:18:53,982 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:18:53,983 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-12 02:18:53,983 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-12 02:18:53,984 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2023-11-12 02:18:54,000 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:18:54,008 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2023-11-12 02:18:54,008 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:18:54,008 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:18:54,009 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:18:54,013 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 [2023-11-12 02:18:54,025 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:18:54,026 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-12 02:18:54,026 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:18:54,026 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:18:54,026 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:18:54,026 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-12 02:18:54,027 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-12 02:18:54,030 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2023-11-12 02:18:54,048 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:18:54,056 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2023-11-12 02:18:54,056 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:18:54,056 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:18:54,057 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:18:54,061 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 [2023-11-12 02:18:54,073 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:18:54,073 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:18:54,073 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:18:54,073 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:18:54,086 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-12 02:18:54,086 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-12 02:18:54,087 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2023-11-12 02:18:54,104 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:18:54,112 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Forceful destruction successful, exit code 0 [2023-11-12 02:18:54,112 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:18:54,112 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:18:54,114 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:18:54,117 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 [2023-11-12 02:18:54,130 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:18:54,130 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:18:54,130 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:18:54,130 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:18:54,132 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-12 02:18:54,132 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-12 02:18:54,133 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2023-11-12 02:18:54,148 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:18:54,153 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Forceful destruction successful, exit code 0 [2023-11-12 02:18:54,154 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:18:54,154 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:18:54,155 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:18:54,158 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 [2023-11-12 02:18:54,170 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:18:54,170 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-12 02:18:54,171 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:18:54,171 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:18:54,171 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:18:54,171 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-12 02:18:54,171 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-12 02:18:54,177 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2023-11-12 02:18:54,180 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:18:54,184 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Forceful destruction successful, exit code 0 [2023-11-12 02:18:54,184 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:18:54,184 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:18:54,185 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:18:54,189 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 [2023-11-12 02:18:54,201 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:18:54,202 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:18:54,202 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:18:54,202 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:18:54,204 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2023-11-12 02:18:54,205 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-12 02:18:54,205 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-12 02:18:54,217 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:18:54,221 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Forceful destruction successful, exit code 0 [2023-11-12 02:18:54,221 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:18:54,221 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:18:54,222 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:18:54,226 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 [2023-11-12 02:18:54,235 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2023-11-12 02:18:54,238 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:18:54,238 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:18:54,238 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:18:54,238 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:18:54,240 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-12 02:18:54,240 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-12 02:18:54,288 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:18:54,291 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Forceful destruction successful, exit code 0 [2023-11-12 02:18:54,291 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:18:54,292 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:18:54,293 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:18:54,296 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 [2023-11-12 02:18:54,309 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:18:54,309 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:18:54,309 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:18:54,309 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:18:54,311 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2023-11-12 02:18:54,325 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-12 02:18:54,325 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-12 02:18:54,352 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-12 02:18:54,495 INFO L443 ModelExtractionUtils]: Simplification made 44 calls to the SMT solver. [2023-11-12 02:18:54,495 INFO L444 ModelExtractionUtils]: 3 out of 40 variables were initially zero. Simplification set additionally 33 variables to zero. [2023-11-12 02:18:54,495 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:18:54,495 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:18:54,500 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:18:54,505 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-12 02:18:54,516 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2023-11-12 02:18:54,529 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2023-11-12 02:18:54,529 INFO L513 LassoAnalysis]: Proved termination. [2023-11-12 02:18:54,529 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_lis_~j~0#1, v_rep(select #length ULTIMATE.start_lis_#t~malloc3#1.base)_2) = -4*ULTIMATE.start_lis_~j~0#1 + 1*v_rep(select #length ULTIMATE.start_lis_#t~malloc3#1.base)_2 Supporting invariants [1*ULTIMATE.start_lis_~prev~0#1.offset >= 0] [2023-11-12 02:18:54,532 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Forceful destruction successful, exit code 0 [2023-11-12 02:18:54,671 INFO L156 tatePredicateManager]: 26 out of 28 supporting invariants were superfluous and have been removed [2023-11-12 02:18:54,676 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[#t~malloc3!base] could not be translated [2023-11-12 02:18:54,701 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:18:54,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:18:54,734 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-12 02:18:54,735 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:18:54,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:18:54,844 INFO L262 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-12 02:18:54,847 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:18:54,918 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:18:54,918 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 3 loop predicates [2023-11-12 02:18:54,919 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 49 states and 71 transitions. cyclomatic complexity: 28 Second operand has 5 states, 5 states have (on average 2.6) internal successors, (13), 5 states have internal predecessors, (13), 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) [2023-11-12 02:18:55,027 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 49 states and 71 transitions. cyclomatic complexity: 28. Second operand has 5 states, 5 states have (on average 2.6) internal successors, (13), 5 states have internal predecessors, (13), 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 86 states and 126 transitions. Complement of second has 10 states. [2023-11-12 02:18:55,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 2 stem states 3 non-accepting loop states 1 accepting loop states [2023-11-12 02:18:55,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 2.6) internal successors, (13), 5 states have internal predecessors, (13), 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) [2023-11-12 02:18:55,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 21 transitions. [2023-11-12 02:18:55,030 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 21 transitions. Stem has 11 letters. Loop has 4 letters. [2023-11-12 02:18:55,030 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-12 02:18:55,030 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 21 transitions. Stem has 15 letters. Loop has 4 letters. [2023-11-12 02:18:55,030 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-12 02:18:55,031 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 21 transitions. Stem has 11 letters. Loop has 8 letters. [2023-11-12 02:18:55,031 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-12 02:18:55,031 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 86 states and 126 transitions. [2023-11-12 02:18:55,032 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 18 [2023-11-12 02:18:55,034 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 86 states to 77 states and 115 transitions. [2023-11-12 02:18:55,034 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 32 [2023-11-12 02:18:55,034 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 35 [2023-11-12 02:18:55,035 INFO L73 IsDeterministic]: Start isDeterministic. Operand 77 states and 115 transitions. [2023-11-12 02:18:55,035 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-12 02:18:55,035 INFO L218 hiAutomatonCegarLoop]: Abstraction has 77 states and 115 transitions. [2023-11-12 02:18:55,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states and 115 transitions. [2023-11-12 02:18:55,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 72. [2023-11-12 02:18:55,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 72 states have (on average 1.5) internal successors, (108), 71 states have internal predecessors, (108), 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) [2023-11-12 02:18:55,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 108 transitions. [2023-11-12 02:18:55,047 INFO L240 hiAutomatonCegarLoop]: Abstraction has 72 states and 108 transitions. [2023-11-12 02:18:55,047 INFO L428 stractBuchiCegarLoop]: Abstraction has 72 states and 108 transitions. [2023-11-12 02:18:55,047 INFO L335 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2023-11-12 02:18:55,047 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 72 states and 108 transitions. [2023-11-12 02:18:55,047 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 18 [2023-11-12 02:18:55,047 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-12 02:18:55,048 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-12 02:18:55,048 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:18:55,048 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2023-11-12 02:18:55,048 INFO L748 eck$LassoCheckResult]: Stem: 1125#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 1116#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet16#1, main_#t~malloc17#1.base, main_#t~malloc17#1.offset, main_#t~ret18#1, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;havoc main_#t~nondet16#1;main_~array_size~0#1 := main_#t~nondet16#1;havoc main_#t~nondet16#1; 1090#L565 assume !(main_~array_size~0#1 < 1); 1091#L565-2 call main_#t~malloc17#1.base, main_#t~malloc17#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1 % 18446744073709551616);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc17#1.base, main_#t~malloc17#1.offset;assume { :begin_inline_lis } true;lis_#in~a#1.base, lis_#in~a#1.offset, lis_#in~N#1 := main_~numbers~0#1.base, main_~numbers~0#1.offset, main_~array_size~0#1;havoc lis_#res#1;havoc lis_#t~malloc2#1.base, lis_#t~malloc2#1.offset, lis_#t~malloc3#1.base, lis_#t~malloc3#1.offset, lis_#t~post4#1, lis_#t~mem7#1, lis_#t~mem8#1, lis_#t~mem10#1, lis_#t~mem9#1, lis_#t~short11#1, lis_#t~mem12#1, lis_#t~post6#1, lis_#t~post5#1, lis_#t~mem14#1, lis_#t~mem15#1, lis_#t~post13#1, lis_~a#1.base, lis_~a#1.offset, lis_~N#1, lis_~best~0#1.base, lis_~best~0#1.offset, lis_~prev~0#1.base, lis_~prev~0#1.offset, lis_~i~0#1, lis_~j~0#1, lis_~max~0#1;lis_~a#1.base, lis_~a#1.offset := lis_#in~a#1.base, lis_#in~a#1.offset;lis_~N#1 := lis_#in~N#1;havoc lis_~best~0#1.base, lis_~best~0#1.offset;havoc lis_~prev~0#1.base, lis_~prev~0#1.offset;havoc lis_~i~0#1;havoc lis_~j~0#1;lis_~max~0#1 := 0;call lis_#t~malloc2#1.base, lis_#t~malloc2#1.offset := #Ultimate.allocOnStack(4 * lis_~N#1 % 18446744073709551616);lis_~best~0#1.base, lis_~best~0#1.offset := lis_#t~malloc2#1.base, lis_#t~malloc2#1.offset;call lis_#t~malloc3#1.base, lis_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * lis_~N#1 % 18446744073709551616);lis_~prev~0#1.base, lis_~prev~0#1.offset := lis_#t~malloc3#1.base, lis_#t~malloc3#1.offset;lis_~i~0#1 := 0; 1092#L552-3 assume !!(lis_~i~0#1 < lis_~N#1);call write~int(1, lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~i~0#1, 4);call write~int(lis_~i~0#1, lis_~prev~0#1.base, lis_~prev~0#1.offset + 4 * lis_~i~0#1, 4); 1093#L552-2 lis_#t~post4#1 := lis_~i~0#1;lis_~i~0#1 := 1 + lis_#t~post4#1;havoc lis_#t~post4#1; 1094#L552-3 assume !!(lis_~i~0#1 < lis_~N#1);call write~int(1, lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~i~0#1, 4);call write~int(lis_~i~0#1, lis_~prev~0#1.base, lis_~prev~0#1.offset + 4 * lis_~i~0#1, 4); 1095#L552-2 lis_#t~post4#1 := lis_~i~0#1;lis_~i~0#1 := 1 + lis_#t~post4#1;havoc lis_#t~post4#1; 1142#L552-3 assume !(lis_~i~0#1 < lis_~N#1); 1100#L552-4 lis_~i~0#1 := 1; 1101#L554-3 assume !!(lis_~i~0#1 < lis_~N#1);lis_~j~0#1 := 0; 1123#L555-3 assume !!(lis_~j~0#1 < lis_~i~0#1);call lis_#t~mem7#1 := read~int(lis_~a#1.base, lis_~a#1.offset + 4 * lis_~i~0#1, 4);call lis_#t~mem8#1 := read~int(lis_~a#1.base, lis_~a#1.offset + 4 * lis_~j~0#1, 4);lis_#t~short11#1 := lis_#t~mem7#1 > lis_#t~mem8#1; 1097#L556 [2023-11-12 02:18:55,049 INFO L750 eck$LassoCheckResult]: Loop: 1097#L556 assume lis_#t~short11#1;call lis_#t~mem10#1 := read~int(lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~i~0#1, 4);call lis_#t~mem9#1 := read~int(lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~j~0#1, 4);lis_#t~short11#1 := lis_#t~mem10#1 < 1 + lis_#t~mem9#1; 1149#L556-2 assume !lis_#t~short11#1;havoc lis_#t~mem7#1;havoc lis_#t~mem8#1;havoc lis_#t~mem10#1;havoc lis_#t~mem9#1;havoc lis_#t~short11#1; 1111#L555-2 lis_#t~post6#1 := lis_~j~0#1;lis_~j~0#1 := 1 + lis_#t~post6#1;havoc lis_#t~post6#1; 1096#L555-3 assume !!(lis_~j~0#1 < lis_~i~0#1);call lis_#t~mem7#1 := read~int(lis_~a#1.base, lis_~a#1.offset + 4 * lis_~i~0#1, 4);call lis_#t~mem8#1 := read~int(lis_~a#1.base, lis_~a#1.offset + 4 * lis_~j~0#1, 4);lis_#t~short11#1 := lis_#t~mem7#1 > lis_#t~mem8#1; 1097#L556 [2023-11-12 02:18:55,049 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:18:55,049 INFO L85 PathProgramCache]: Analyzing trace with hash -304736135, now seen corresponding path program 1 times [2023-11-12 02:18:55,049 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:18:55,049 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [468495901] [2023-11-12 02:18:55,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:18:55,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:18:55,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:18:55,083 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:18:55,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:18:55,129 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:18:55,130 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:18:55,130 INFO L85 PathProgramCache]: Analyzing trace with hash 2224444, now seen corresponding path program 1 times [2023-11-12 02:18:55,130 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:18:55,130 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [635830677] [2023-11-12 02:18:55,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:18:55,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:18:55,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:18:55,135 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:18:55,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:18:55,146 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:18:55,149 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:18:55,149 INFO L85 PathProgramCache]: Analyzing trace with hash 1808207284, now seen corresponding path program 1 times [2023-11-12 02:18:55,149 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:18:55,149 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1690088979] [2023-11-12 02:18:55,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:18:55,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:18:55,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:18:55,244 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-12 02:18:55,245 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:18:55,245 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1690088979] [2023-11-12 02:18:55,245 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1690088979] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-12 02:18:55,245 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1370970609] [2023-11-12 02:18:55,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:18:55,246 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:18:55,246 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:18:55,247 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 02:18:55,277 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (50)] Waiting until timeout for monitored process [2023-11-12 02:18:55,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:18:55,344 INFO L262 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-12 02:18:55,346 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:18:55,387 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-12 02:18:55,388 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 02:18:55,388 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1370970609] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:18:55,388 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-12 02:18:55,388 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 7 [2023-11-12 02:18:55,389 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [516999970] [2023-11-12 02:18:55,389 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:18:55,636 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:18:55,636 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-12 02:18:55,637 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2023-11-12 02:18:55,637 INFO L87 Difference]: Start difference. First operand 72 states and 108 transitions. cyclomatic complexity: 46 Second operand has 5 states, 4 states have (on average 3.5) internal successors, (14), 5 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) [2023-11-12 02:18:55,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:18:55,724 INFO L93 Difference]: Finished difference Result 76 states and 101 transitions. [2023-11-12 02:18:55,724 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 76 states and 101 transitions. [2023-11-12 02:18:55,725 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 10 [2023-11-12 02:18:55,726 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 76 states to 59 states and 82 transitions. [2023-11-12 02:18:55,726 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 28 [2023-11-12 02:18:55,726 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 32 [2023-11-12 02:18:55,726 INFO L73 IsDeterministic]: Start isDeterministic. Operand 59 states and 82 transitions. [2023-11-12 02:18:55,727 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-12 02:18:55,727 INFO L218 hiAutomatonCegarLoop]: Abstraction has 59 states and 82 transitions. [2023-11-12 02:18:55,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states and 82 transitions. [2023-11-12 02:18:55,729 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 51. [2023-11-12 02:18:55,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 51 states have (on average 1.4313725490196079) internal successors, (73), 50 states have internal predecessors, (73), 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) [2023-11-12 02:18:55,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 73 transitions. [2023-11-12 02:18:55,730 INFO L240 hiAutomatonCegarLoop]: Abstraction has 51 states and 73 transitions. [2023-11-12 02:18:55,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-12 02:18:55,732 INFO L428 stractBuchiCegarLoop]: Abstraction has 51 states and 73 transitions. [2023-11-12 02:18:55,732 INFO L335 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2023-11-12 02:18:55,732 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 51 states and 73 transitions. [2023-11-12 02:18:55,733 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 10 [2023-11-12 02:18:55,733 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-12 02:18:55,733 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-12 02:18:55,734 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:18:55,734 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:18:55,734 INFO L748 eck$LassoCheckResult]: Stem: 1329#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 1323#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet16#1, main_#t~malloc17#1.base, main_#t~malloc17#1.offset, main_#t~ret18#1, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;havoc main_#t~nondet16#1;main_~array_size~0#1 := main_#t~nondet16#1;havoc main_#t~nondet16#1; 1296#L565 assume !(main_~array_size~0#1 < 1); 1297#L565-2 call main_#t~malloc17#1.base, main_#t~malloc17#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1 % 18446744073709551616);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc17#1.base, main_#t~malloc17#1.offset;assume { :begin_inline_lis } true;lis_#in~a#1.base, lis_#in~a#1.offset, lis_#in~N#1 := main_~numbers~0#1.base, main_~numbers~0#1.offset, main_~array_size~0#1;havoc lis_#res#1;havoc lis_#t~malloc2#1.base, lis_#t~malloc2#1.offset, lis_#t~malloc3#1.base, lis_#t~malloc3#1.offset, lis_#t~post4#1, lis_#t~mem7#1, lis_#t~mem8#1, lis_#t~mem10#1, lis_#t~mem9#1, lis_#t~short11#1, lis_#t~mem12#1, lis_#t~post6#1, lis_#t~post5#1, lis_#t~mem14#1, lis_#t~mem15#1, lis_#t~post13#1, lis_~a#1.base, lis_~a#1.offset, lis_~N#1, lis_~best~0#1.base, lis_~best~0#1.offset, lis_~prev~0#1.base, lis_~prev~0#1.offset, lis_~i~0#1, lis_~j~0#1, lis_~max~0#1;lis_~a#1.base, lis_~a#1.offset := lis_#in~a#1.base, lis_#in~a#1.offset;lis_~N#1 := lis_#in~N#1;havoc lis_~best~0#1.base, lis_~best~0#1.offset;havoc lis_~prev~0#1.base, lis_~prev~0#1.offset;havoc lis_~i~0#1;havoc lis_~j~0#1;lis_~max~0#1 := 0;call lis_#t~malloc2#1.base, lis_#t~malloc2#1.offset := #Ultimate.allocOnStack(4 * lis_~N#1 % 18446744073709551616);lis_~best~0#1.base, lis_~best~0#1.offset := lis_#t~malloc2#1.base, lis_#t~malloc2#1.offset;call lis_#t~malloc3#1.base, lis_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * lis_~N#1 % 18446744073709551616);lis_~prev~0#1.base, lis_~prev~0#1.offset := lis_#t~malloc3#1.base, lis_#t~malloc3#1.offset;lis_~i~0#1 := 0; 1298#L552-3 assume !!(lis_~i~0#1 < lis_~N#1);call write~int(1, lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~i~0#1, 4);call write~int(lis_~i~0#1, lis_~prev~0#1.base, lis_~prev~0#1.offset + 4 * lis_~i~0#1, 4); 1299#L552-2 lis_#t~post4#1 := lis_~i~0#1;lis_~i~0#1 := 1 + lis_#t~post4#1;havoc lis_#t~post4#1; 1300#L552-3 assume !!(lis_~i~0#1 < lis_~N#1);call write~int(1, lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~i~0#1, 4);call write~int(lis_~i~0#1, lis_~prev~0#1.base, lis_~prev~0#1.offset + 4 * lis_~i~0#1, 4); 1301#L552-2 lis_#t~post4#1 := lis_~i~0#1;lis_~i~0#1 := 1 + lis_#t~post4#1;havoc lis_#t~post4#1; 1335#L552-3 assume !!(lis_~i~0#1 < lis_~N#1);call write~int(1, lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~i~0#1, 4);call write~int(lis_~i~0#1, lis_~prev~0#1.base, lis_~prev~0#1.offset + 4 * lis_~i~0#1, 4); 1331#L552-2 lis_#t~post4#1 := lis_~i~0#1;lis_~i~0#1 := 1 + lis_#t~post4#1;havoc lis_#t~post4#1; 1330#L552-3 assume !(lis_~i~0#1 < lis_~N#1); 1309#L552-4 lis_~i~0#1 := 1; 1310#L554-3 assume !!(lis_~i~0#1 < lis_~N#1);lis_~j~0#1 := 0; 1305#L555-3 assume !(lis_~j~0#1 < lis_~i~0#1); 1306#L554-2 lis_#t~post5#1 := lis_~i~0#1;lis_~i~0#1 := 1 + lis_#t~post5#1;havoc lis_#t~post5#1; 1326#L554-3 assume !!(lis_~i~0#1 < lis_~N#1);lis_~j~0#1 := 0; 1333#L555-3 [2023-11-12 02:18:55,734 INFO L750 eck$LassoCheckResult]: Loop: 1333#L555-3 assume !!(lis_~j~0#1 < lis_~i~0#1);call lis_#t~mem7#1 := read~int(lis_~a#1.base, lis_~a#1.offset + 4 * lis_~i~0#1, 4);call lis_#t~mem8#1 := read~int(lis_~a#1.base, lis_~a#1.offset + 4 * lis_~j~0#1, 4);lis_#t~short11#1 := lis_#t~mem7#1 > lis_#t~mem8#1; 1340#L556 assume lis_#t~short11#1;call lis_#t~mem10#1 := read~int(lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~i~0#1, 4);call lis_#t~mem9#1 := read~int(lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~j~0#1, 4);lis_#t~short11#1 := lis_#t~mem10#1 < 1 + lis_#t~mem9#1; 1342#L556-2 assume lis_#t~short11#1;havoc lis_#t~mem7#1;havoc lis_#t~mem8#1;havoc lis_#t~mem10#1;havoc lis_#t~mem9#1;havoc lis_#t~short11#1;call lis_#t~mem12#1 := read~int(lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~j~0#1, 4);call write~int(1 + lis_#t~mem12#1, lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~i~0#1, 4);havoc lis_#t~mem12#1;call write~int(lis_~j~0#1, lis_~prev~0#1.base, lis_~prev~0#1.offset + 4 * lis_~i~0#1, 4); 1341#L555-2 lis_#t~post6#1 := lis_~j~0#1;lis_~j~0#1 := 1 + lis_#t~post6#1;havoc lis_#t~post6#1; 1339#L555-3 assume !(lis_~j~0#1 < lis_~i~0#1); 1337#L554-2 lis_#t~post5#1 := lis_~i~0#1;lis_~i~0#1 := 1 + lis_#t~post5#1;havoc lis_#t~post5#1; 1334#L554-3 assume !!(lis_~i~0#1 < lis_~N#1);lis_~j~0#1 := 0; 1333#L555-3 [2023-11-12 02:18:55,735 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:18:55,735 INFO L85 PathProgramCache]: Analyzing trace with hash 1270630400, now seen corresponding path program 1 times [2023-11-12 02:18:55,735 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:18:55,735 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1477202994] [2023-11-12 02:18:55,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:18:55,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:18:55,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:18:55,790 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-12 02:18:55,791 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:18:55,791 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1477202994] [2023-11-12 02:18:55,791 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1477202994] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:18:55,791 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:18:55,791 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-12 02:18:55,792 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [69632998] [2023-11-12 02:18:55,792 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:18:55,792 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-12 02:18:55,792 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:18:55,793 INFO L85 PathProgramCache]: Analyzing trace with hash -1050911964, now seen corresponding path program 3 times [2023-11-12 02:18:55,793 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:18:55,793 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [546452641] [2023-11-12 02:18:55,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:18:55,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:18:55,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:18:55,802 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:18:55,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:18:55,843 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:18:55,857 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Forceful destruction successful, exit code 0 [2023-11-12 02:18:56,300 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:18:56,301 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-12 02:18:56,301 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-12 02:18:56,301 INFO L87 Difference]: Start difference. First operand 51 states and 73 transitions. cyclomatic complexity: 26 Second operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:18:56,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:18:56,347 INFO L93 Difference]: Finished difference Result 50 states and 70 transitions. [2023-11-12 02:18:56,348 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 50 states and 70 transitions. [2023-11-12 02:18:56,348 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 10 [2023-11-12 02:18:56,349 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 50 states to 50 states and 70 transitions. [2023-11-12 02:18:56,349 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 27 [2023-11-12 02:18:56,349 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 27 [2023-11-12 02:18:56,350 INFO L73 IsDeterministic]: Start isDeterministic. Operand 50 states and 70 transitions. [2023-11-12 02:18:56,350 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-12 02:18:56,350 INFO L218 hiAutomatonCegarLoop]: Abstraction has 50 states and 70 transitions. [2023-11-12 02:18:56,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states and 70 transitions. [2023-11-12 02:18:56,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 49. [2023-11-12 02:18:56,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 49 states have (on average 1.4081632653061225) internal successors, (69), 48 states have internal predecessors, (69), 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) [2023-11-12 02:18:56,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 69 transitions. [2023-11-12 02:18:56,353 INFO L240 hiAutomatonCegarLoop]: Abstraction has 49 states and 69 transitions. [2023-11-12 02:18:56,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-12 02:18:56,357 INFO L428 stractBuchiCegarLoop]: Abstraction has 49 states and 69 transitions. [2023-11-12 02:18:56,357 INFO L335 stractBuchiCegarLoop]: ======== Iteration 8 ============ [2023-11-12 02:18:56,357 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 49 states and 69 transitions. [2023-11-12 02:18:56,358 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 10 [2023-11-12 02:18:56,358 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-12 02:18:56,358 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-12 02:18:56,358 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:18:56,359 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:18:56,359 INFO L748 eck$LassoCheckResult]: Stem: 1434#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 1429#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet16#1, main_#t~malloc17#1.base, main_#t~malloc17#1.offset, main_#t~ret18#1, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;havoc main_#t~nondet16#1;main_~array_size~0#1 := main_#t~nondet16#1;havoc main_#t~nondet16#1; 1404#L565 assume !(main_~array_size~0#1 < 1); 1405#L565-2 call main_#t~malloc17#1.base, main_#t~malloc17#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1 % 18446744073709551616);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc17#1.base, main_#t~malloc17#1.offset;assume { :begin_inline_lis } true;lis_#in~a#1.base, lis_#in~a#1.offset, lis_#in~N#1 := main_~numbers~0#1.base, main_~numbers~0#1.offset, main_~array_size~0#1;havoc lis_#res#1;havoc lis_#t~malloc2#1.base, lis_#t~malloc2#1.offset, lis_#t~malloc3#1.base, lis_#t~malloc3#1.offset, lis_#t~post4#1, lis_#t~mem7#1, lis_#t~mem8#1, lis_#t~mem10#1, lis_#t~mem9#1, lis_#t~short11#1, lis_#t~mem12#1, lis_#t~post6#1, lis_#t~post5#1, lis_#t~mem14#1, lis_#t~mem15#1, lis_#t~post13#1, lis_~a#1.base, lis_~a#1.offset, lis_~N#1, lis_~best~0#1.base, lis_~best~0#1.offset, lis_~prev~0#1.base, lis_~prev~0#1.offset, lis_~i~0#1, lis_~j~0#1, lis_~max~0#1;lis_~a#1.base, lis_~a#1.offset := lis_#in~a#1.base, lis_#in~a#1.offset;lis_~N#1 := lis_#in~N#1;havoc lis_~best~0#1.base, lis_~best~0#1.offset;havoc lis_~prev~0#1.base, lis_~prev~0#1.offset;havoc lis_~i~0#1;havoc lis_~j~0#1;lis_~max~0#1 := 0;call lis_#t~malloc2#1.base, lis_#t~malloc2#1.offset := #Ultimate.allocOnStack(4 * lis_~N#1 % 18446744073709551616);lis_~best~0#1.base, lis_~best~0#1.offset := lis_#t~malloc2#1.base, lis_#t~malloc2#1.offset;call lis_#t~malloc3#1.base, lis_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * lis_~N#1 % 18446744073709551616);lis_~prev~0#1.base, lis_~prev~0#1.offset := lis_#t~malloc3#1.base, lis_#t~malloc3#1.offset;lis_~i~0#1 := 0; 1406#L552-3 assume !!(lis_~i~0#1 < lis_~N#1);call write~int(1, lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~i~0#1, 4);call write~int(lis_~i~0#1, lis_~prev~0#1.base, lis_~prev~0#1.offset + 4 * lis_~i~0#1, 4); 1407#L552-2 lis_#t~post4#1 := lis_~i~0#1;lis_~i~0#1 := 1 + lis_#t~post4#1;havoc lis_#t~post4#1; 1408#L552-3 assume !!(lis_~i~0#1 < lis_~N#1);call write~int(1, lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~i~0#1, 4);call write~int(lis_~i~0#1, lis_~prev~0#1.base, lis_~prev~0#1.offset + 4 * lis_~i~0#1, 4); 1409#L552-2 lis_#t~post4#1 := lis_~i~0#1;lis_~i~0#1 := 1 + lis_#t~post4#1;havoc lis_#t~post4#1; 1449#L552-3 assume !!(lis_~i~0#1 < lis_~N#1);call write~int(1, lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~i~0#1, 4);call write~int(lis_~i~0#1, lis_~prev~0#1.base, lis_~prev~0#1.offset + 4 * lis_~i~0#1, 4); 1438#L552-2 lis_#t~post4#1 := lis_~i~0#1;lis_~i~0#1 := 1 + lis_#t~post4#1;havoc lis_#t~post4#1; 1437#L552-3 assume !(lis_~i~0#1 < lis_~N#1); 1410#L552-4 lis_~i~0#1 := 1; 1411#L554-3 assume !!(lis_~i~0#1 < lis_~N#1);lis_~j~0#1 := 0; 1412#L555-3 assume !!(lis_~j~0#1 < lis_~i~0#1);call lis_#t~mem7#1 := read~int(lis_~a#1.base, lis_~a#1.offset + 4 * lis_~i~0#1, 4);call lis_#t~mem8#1 := read~int(lis_~a#1.base, lis_~a#1.offset + 4 * lis_~j~0#1, 4);lis_#t~short11#1 := lis_#t~mem7#1 > lis_#t~mem8#1; 1413#L556 assume !lis_#t~short11#1; 1450#L556-2 assume lis_#t~short11#1;havoc lis_#t~mem7#1;havoc lis_#t~mem8#1;havoc lis_#t~mem10#1;havoc lis_#t~mem9#1;havoc lis_#t~short11#1;call lis_#t~mem12#1 := read~int(lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~j~0#1, 4);call write~int(1 + lis_#t~mem12#1, lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~i~0#1, 4);havoc lis_#t~mem12#1;call write~int(lis_~j~0#1, lis_~prev~0#1.base, lis_~prev~0#1.offset + 4 * lis_~i~0#1, 4); 1422#L555-2 lis_#t~post6#1 := lis_~j~0#1;lis_~j~0#1 := 1 + lis_#t~post6#1;havoc lis_#t~post6#1; 1425#L555-3 assume !(lis_~j~0#1 < lis_~i~0#1); 1431#L554-2 lis_#t~post5#1 := lis_~i~0#1;lis_~i~0#1 := 1 + lis_#t~post5#1;havoc lis_#t~post5#1; 1432#L554-3 assume !!(lis_~i~0#1 < lis_~N#1);lis_~j~0#1 := 0; 1440#L555-3 [2023-11-12 02:18:56,359 INFO L750 eck$LassoCheckResult]: Loop: 1440#L555-3 assume !!(lis_~j~0#1 < lis_~i~0#1);call lis_#t~mem7#1 := read~int(lis_~a#1.base, lis_~a#1.offset + 4 * lis_~i~0#1, 4);call lis_#t~mem8#1 := read~int(lis_~a#1.base, lis_~a#1.offset + 4 * lis_~j~0#1, 4);lis_#t~short11#1 := lis_#t~mem7#1 > lis_#t~mem8#1; 1446#L556 assume lis_#t~short11#1;call lis_#t~mem10#1 := read~int(lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~i~0#1, 4);call lis_#t~mem9#1 := read~int(lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~j~0#1, 4);lis_#t~short11#1 := lis_#t~mem10#1 < 1 + lis_#t~mem9#1; 1448#L556-2 assume lis_#t~short11#1;havoc lis_#t~mem7#1;havoc lis_#t~mem8#1;havoc lis_#t~mem10#1;havoc lis_#t~mem9#1;havoc lis_#t~short11#1;call lis_#t~mem12#1 := read~int(lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~j~0#1, 4);call write~int(1 + lis_#t~mem12#1, lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~i~0#1, 4);havoc lis_#t~mem12#1;call write~int(lis_~j~0#1, lis_~prev~0#1.base, lis_~prev~0#1.offset + 4 * lis_~i~0#1, 4); 1447#L555-2 lis_#t~post6#1 := lis_~j~0#1;lis_~j~0#1 := 1 + lis_#t~post6#1;havoc lis_#t~post6#1; 1445#L555-3 assume !(lis_~j~0#1 < lis_~i~0#1); 1443#L554-2 lis_#t~post5#1 := lis_~i~0#1;lis_~i~0#1 := 1 + lis_#t~post5#1;havoc lis_#t~post5#1; 1439#L554-3 assume !!(lis_~i~0#1 < lis_~N#1);lis_~j~0#1 := 0; 1440#L555-3 [2023-11-12 02:18:56,360 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:18:56,360 INFO L85 PathProgramCache]: Analyzing trace with hash 1521638327, now seen corresponding path program 1 times [2023-11-12 02:18:56,360 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:18:56,360 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1794316948] [2023-11-12 02:18:56,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:18:56,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:18:56,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:18:56,400 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-12 02:18:56,400 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:18:56,400 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1794316948] [2023-11-12 02:18:56,400 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1794316948] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:18:56,400 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:18:56,401 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 02:18:56,401 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [505604849] [2023-11-12 02:18:56,401 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:18:56,401 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-12 02:18:56,402 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:18:56,402 INFO L85 PathProgramCache]: Analyzing trace with hash -1050911964, now seen corresponding path program 4 times [2023-11-12 02:18:56,402 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:18:56,402 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1236479344] [2023-11-12 02:18:56,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:18:56,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:18:56,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:18:56,412 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:18:56,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:18:56,420 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:18:56,850 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:18:56,851 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 02:18:56,851 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 02:18:56,851 INFO L87 Difference]: Start difference. First operand 49 states and 69 transitions. cyclomatic complexity: 24 Second operand has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 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) [2023-11-12 02:18:56,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:18:56,865 INFO L93 Difference]: Finished difference Result 55 states and 73 transitions. [2023-11-12 02:18:56,865 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 55 states and 73 transitions. [2023-11-12 02:18:56,865 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 11 [2023-11-12 02:18:56,866 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 55 states to 53 states and 71 transitions. [2023-11-12 02:18:56,866 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 29 [2023-11-12 02:18:56,866 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 29 [2023-11-12 02:18:56,866 INFO L73 IsDeterministic]: Start isDeterministic. Operand 53 states and 71 transitions. [2023-11-12 02:18:56,866 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-12 02:18:56,866 INFO L218 hiAutomatonCegarLoop]: Abstraction has 53 states and 71 transitions. [2023-11-12 02:18:56,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states and 71 transitions. [2023-11-12 02:18:56,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 51. [2023-11-12 02:18:56,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 51 states have (on average 1.3529411764705883) internal successors, (69), 50 states have internal predecessors, (69), 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) [2023-11-12 02:18:56,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 69 transitions. [2023-11-12 02:18:56,869 INFO L240 hiAutomatonCegarLoop]: Abstraction has 51 states and 69 transitions. [2023-11-12 02:18:56,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 02:18:56,873 INFO L428 stractBuchiCegarLoop]: Abstraction has 51 states and 69 transitions. [2023-11-12 02:18:56,874 INFO L335 stractBuchiCegarLoop]: ======== Iteration 9 ============ [2023-11-12 02:18:56,874 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 51 states and 69 transitions. [2023-11-12 02:18:56,875 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 11 [2023-11-12 02:18:56,877 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-12 02:18:56,877 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-12 02:18:56,878 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:18:56,878 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:18:56,878 INFO L748 eck$LassoCheckResult]: Stem: 1543#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 1537#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet16#1, main_#t~malloc17#1.base, main_#t~malloc17#1.offset, main_#t~ret18#1, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;havoc main_#t~nondet16#1;main_~array_size~0#1 := main_#t~nondet16#1;havoc main_#t~nondet16#1; 1514#L565 assume !(main_~array_size~0#1 < 1); 1515#L565-2 call main_#t~malloc17#1.base, main_#t~malloc17#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1 % 18446744073709551616);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc17#1.base, main_#t~malloc17#1.offset;assume { :begin_inline_lis } true;lis_#in~a#1.base, lis_#in~a#1.offset, lis_#in~N#1 := main_~numbers~0#1.base, main_~numbers~0#1.offset, main_~array_size~0#1;havoc lis_#res#1;havoc lis_#t~malloc2#1.base, lis_#t~malloc2#1.offset, lis_#t~malloc3#1.base, lis_#t~malloc3#1.offset, lis_#t~post4#1, lis_#t~mem7#1, lis_#t~mem8#1, lis_#t~mem10#1, lis_#t~mem9#1, lis_#t~short11#1, lis_#t~mem12#1, lis_#t~post6#1, lis_#t~post5#1, lis_#t~mem14#1, lis_#t~mem15#1, lis_#t~post13#1, lis_~a#1.base, lis_~a#1.offset, lis_~N#1, lis_~best~0#1.base, lis_~best~0#1.offset, lis_~prev~0#1.base, lis_~prev~0#1.offset, lis_~i~0#1, lis_~j~0#1, lis_~max~0#1;lis_~a#1.base, lis_~a#1.offset := lis_#in~a#1.base, lis_#in~a#1.offset;lis_~N#1 := lis_#in~N#1;havoc lis_~best~0#1.base, lis_~best~0#1.offset;havoc lis_~prev~0#1.base, lis_~prev~0#1.offset;havoc lis_~i~0#1;havoc lis_~j~0#1;lis_~max~0#1 := 0;call lis_#t~malloc2#1.base, lis_#t~malloc2#1.offset := #Ultimate.allocOnStack(4 * lis_~N#1 % 18446744073709551616);lis_~best~0#1.base, lis_~best~0#1.offset := lis_#t~malloc2#1.base, lis_#t~malloc2#1.offset;call lis_#t~malloc3#1.base, lis_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * lis_~N#1 % 18446744073709551616);lis_~prev~0#1.base, lis_~prev~0#1.offset := lis_#t~malloc3#1.base, lis_#t~malloc3#1.offset;lis_~i~0#1 := 0; 1516#L552-3 assume !!(lis_~i~0#1 < lis_~N#1);call write~int(1, lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~i~0#1, 4);call write~int(lis_~i~0#1, lis_~prev~0#1.base, lis_~prev~0#1.offset + 4 * lis_~i~0#1, 4); 1517#L552-2 lis_#t~post4#1 := lis_~i~0#1;lis_~i~0#1 := 1 + lis_#t~post4#1;havoc lis_#t~post4#1; 1518#L552-3 assume !!(lis_~i~0#1 < lis_~N#1);call write~int(1, lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~i~0#1, 4);call write~int(lis_~i~0#1, lis_~prev~0#1.base, lis_~prev~0#1.offset + 4 * lis_~i~0#1, 4); 1519#L552-2 lis_#t~post4#1 := lis_~i~0#1;lis_~i~0#1 := 1 + lis_#t~post4#1;havoc lis_#t~post4#1; 1559#L552-3 assume !!(lis_~i~0#1 < lis_~N#1);call write~int(1, lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~i~0#1, 4);call write~int(lis_~i~0#1, lis_~prev~0#1.base, lis_~prev~0#1.offset + 4 * lis_~i~0#1, 4); 1546#L552-2 lis_#t~post4#1 := lis_~i~0#1;lis_~i~0#1 := 1 + lis_#t~post4#1;havoc lis_#t~post4#1; 1545#L552-3 assume !(lis_~i~0#1 < lis_~N#1); 1520#L552-4 lis_~i~0#1 := 1; 1521#L554-3 assume !!(lis_~i~0#1 < lis_~N#1);lis_~j~0#1 := 0; 1522#L555-3 assume !!(lis_~j~0#1 < lis_~i~0#1);call lis_#t~mem7#1 := read~int(lis_~a#1.base, lis_~a#1.offset + 4 * lis_~i~0#1, 4);call lis_#t~mem8#1 := read~int(lis_~a#1.base, lis_~a#1.offset + 4 * lis_~j~0#1, 4);lis_#t~short11#1 := lis_#t~mem7#1 > lis_#t~mem8#1; 1523#L556 assume lis_#t~short11#1;call lis_#t~mem10#1 := read~int(lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~i~0#1, 4);call lis_#t~mem9#1 := read~int(lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~j~0#1, 4);lis_#t~short11#1 := lis_#t~mem10#1 < 1 + lis_#t~mem9#1; 1558#L556-2 assume lis_#t~short11#1;havoc lis_#t~mem7#1;havoc lis_#t~mem8#1;havoc lis_#t~mem10#1;havoc lis_#t~mem9#1;havoc lis_#t~short11#1;call lis_#t~mem12#1 := read~int(lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~j~0#1, 4);call write~int(1 + lis_#t~mem12#1, lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~i~0#1, 4);havoc lis_#t~mem12#1;call write~int(lis_~j~0#1, lis_~prev~0#1.base, lis_~prev~0#1.offset + 4 * lis_~i~0#1, 4); 1532#L555-2 lis_#t~post6#1 := lis_~j~0#1;lis_~j~0#1 := 1 + lis_#t~post6#1;havoc lis_#t~post6#1; 1534#L555-3 assume !(lis_~j~0#1 < lis_~i~0#1); 1539#L554-2 lis_#t~post5#1 := lis_~i~0#1;lis_~i~0#1 := 1 + lis_#t~post5#1;havoc lis_#t~post5#1; 1540#L554-3 assume !!(lis_~i~0#1 < lis_~N#1);lis_~j~0#1 := 0; 1548#L555-3 [2023-11-12 02:18:56,878 INFO L750 eck$LassoCheckResult]: Loop: 1548#L555-3 assume !!(lis_~j~0#1 < lis_~i~0#1);call lis_#t~mem7#1 := read~int(lis_~a#1.base, lis_~a#1.offset + 4 * lis_~i~0#1, 4);call lis_#t~mem8#1 := read~int(lis_~a#1.base, lis_~a#1.offset + 4 * lis_~j~0#1, 4);lis_#t~short11#1 := lis_#t~mem7#1 > lis_#t~mem8#1; 1554#L556 assume lis_#t~short11#1;call lis_#t~mem10#1 := read~int(lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~i~0#1, 4);call lis_#t~mem9#1 := read~int(lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~j~0#1, 4);lis_#t~short11#1 := lis_#t~mem10#1 < 1 + lis_#t~mem9#1; 1556#L556-2 assume lis_#t~short11#1;havoc lis_#t~mem7#1;havoc lis_#t~mem8#1;havoc lis_#t~mem10#1;havoc lis_#t~mem9#1;havoc lis_#t~short11#1;call lis_#t~mem12#1 := read~int(lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~j~0#1, 4);call write~int(1 + lis_#t~mem12#1, lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~i~0#1, 4);havoc lis_#t~mem12#1;call write~int(lis_~j~0#1, lis_~prev~0#1.base, lis_~prev~0#1.offset + 4 * lis_~i~0#1, 4); 1555#L555-2 lis_#t~post6#1 := lis_~j~0#1;lis_~j~0#1 := 1 + lis_#t~post6#1;havoc lis_#t~post6#1; 1553#L555-3 assume !(lis_~j~0#1 < lis_~i~0#1); 1551#L554-2 lis_#t~post5#1 := lis_~i~0#1;lis_~i~0#1 := 1 + lis_#t~post5#1;havoc lis_#t~post5#1; 1547#L554-3 assume !!(lis_~i~0#1 < lis_~N#1);lis_~j~0#1 := 0; 1548#L555-3 [2023-11-12 02:18:56,878 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:18:56,879 INFO L85 PathProgramCache]: Analyzing trace with hash 1464380025, now seen corresponding path program 2 times [2023-11-12 02:18:56,879 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:18:56,879 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [509122518] [2023-11-12 02:18:56,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:18:56,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:18:56,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:18:56,925 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:18:56,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:18:56,965 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:18:56,965 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:18:56,965 INFO L85 PathProgramCache]: Analyzing trace with hash -1050911964, now seen corresponding path program 5 times [2023-11-12 02:18:56,965 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:18:56,966 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [260721978] [2023-11-12 02:18:56,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:18:56,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:18:56,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:18:56,977 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:18:56,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:18:56,986 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:18:56,988 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:18:56,988 INFO L85 PathProgramCache]: Analyzing trace with hash 1651341740, now seen corresponding path program 3 times [2023-11-12 02:18:56,989 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:18:56,989 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [386117257] [2023-11-12 02:18:56,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:18:56,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:18:57,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:18:57,127 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 3 proven. 9 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-12 02:18:57,127 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:18:57,127 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [386117257] [2023-11-12 02:18:57,127 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [386117257] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-12 02:18:57,127 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2023013525] [2023-11-12 02:18:57,127 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-11-12 02:18:57,128 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:18:57,128 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:18:57,132 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 02:18:57,162 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (51)] Waiting until timeout for monitored process [2023-11-12 02:18:57,264 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2023-11-12 02:18:57,264 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-12 02:18:57,267 INFO L262 TraceCheckSpWp]: Trace formula consists of 221 conjuncts, 31 conjunts are in the unsatisfiable core [2023-11-12 02:18:57,270 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:18:57,314 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 98 treesize of output 94 [2023-11-12 02:18:57,543 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 28 [2023-11-12 02:18:57,548 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 15 [2023-11-12 02:18:57,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-12 02:18:57,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-12 02:18:57,680 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-12 02:18:57,681 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 32 treesize of output 36 [2023-11-12 02:18:57,832 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-12 02:18:57,832 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 02:18:58,173 INFO L322 Elim1Store]: treesize reduction 16, result has 65.2 percent of original size [2023-11-12 02:18:58,174 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 63 treesize of output 60 [2023-11-12 02:18:58,182 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-12 02:18:58,207 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-12 02:18:58,208 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 74 treesize of output 82 [2023-11-12 02:18:58,224 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-12 02:18:58,224 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 9 [2023-11-12 02:18:59,259 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-12 02:18:59,259 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2023013525] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-12 02:18:59,260 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-12 02:18:59,260 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 13, 13] total 30 [2023-11-12 02:18:59,260 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1859190162] [2023-11-12 02:18:59,260 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-12 02:18:59,648 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:18:59,649 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2023-11-12 02:18:59,649 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=129, Invalid=741, Unknown=0, NotChecked=0, Total=870 [2023-11-12 02:18:59,649 INFO L87 Difference]: Start difference. First operand 51 states and 69 transitions. cyclomatic complexity: 22 Second operand has 30 states, 30 states have (on average 2.3666666666666667) internal successors, (71), 30 states have internal predecessors, (71), 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) [2023-11-12 02:19:00,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:19:00,866 INFO L93 Difference]: Finished difference Result 169 states and 216 transitions. [2023-11-12 02:19:00,866 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 169 states and 216 transitions. [2023-11-12 02:19:00,868 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 26 [2023-11-12 02:19:00,868 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 169 states to 81 states and 103 transitions. [2023-11-12 02:19:00,869 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 72 [2023-11-12 02:19:00,869 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 72 [2023-11-12 02:19:00,869 INFO L73 IsDeterministic]: Start isDeterministic. Operand 81 states and 103 transitions. [2023-11-12 02:19:00,869 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-12 02:19:00,869 INFO L218 hiAutomatonCegarLoop]: Abstraction has 81 states and 103 transitions. [2023-11-12 02:19:00,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states and 103 transitions. [2023-11-12 02:19:00,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 57. [2023-11-12 02:19:00,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 57 states have (on average 1.280701754385965) internal successors, (73), 56 states have internal predecessors, (73), 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) [2023-11-12 02:19:00,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 73 transitions. [2023-11-12 02:19:00,872 INFO L240 hiAutomatonCegarLoop]: Abstraction has 57 states and 73 transitions. [2023-11-12 02:19:00,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2023-11-12 02:19:00,880 INFO L428 stractBuchiCegarLoop]: Abstraction has 57 states and 73 transitions. [2023-11-12 02:19:00,880 INFO L335 stractBuchiCegarLoop]: ======== Iteration 10 ============ [2023-11-12 02:19:00,880 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 57 states and 73 transitions. [2023-11-12 02:19:00,881 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 21 [2023-11-12 02:19:00,881 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-12 02:19:00,881 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-12 02:19:00,882 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:19:00,882 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2023-11-12 02:19:00,882 INFO L748 eck$LassoCheckResult]: Stem: 1992#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 1989#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet16#1, main_#t~malloc17#1.base, main_#t~malloc17#1.offset, main_#t~ret18#1, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;havoc main_#t~nondet16#1;main_~array_size~0#1 := main_#t~nondet16#1;havoc main_#t~nondet16#1; 1972#L565 assume !(main_~array_size~0#1 < 1); 1973#L565-2 call main_#t~malloc17#1.base, main_#t~malloc17#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1 % 18446744073709551616);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc17#1.base, main_#t~malloc17#1.offset;assume { :begin_inline_lis } true;lis_#in~a#1.base, lis_#in~a#1.offset, lis_#in~N#1 := main_~numbers~0#1.base, main_~numbers~0#1.offset, main_~array_size~0#1;havoc lis_#res#1;havoc lis_#t~malloc2#1.base, lis_#t~malloc2#1.offset, lis_#t~malloc3#1.base, lis_#t~malloc3#1.offset, lis_#t~post4#1, lis_#t~mem7#1, lis_#t~mem8#1, lis_#t~mem10#1, lis_#t~mem9#1, lis_#t~short11#1, lis_#t~mem12#1, lis_#t~post6#1, lis_#t~post5#1, lis_#t~mem14#1, lis_#t~mem15#1, lis_#t~post13#1, lis_~a#1.base, lis_~a#1.offset, lis_~N#1, lis_~best~0#1.base, lis_~best~0#1.offset, lis_~prev~0#1.base, lis_~prev~0#1.offset, lis_~i~0#1, lis_~j~0#1, lis_~max~0#1;lis_~a#1.base, lis_~a#1.offset := lis_#in~a#1.base, lis_#in~a#1.offset;lis_~N#1 := lis_#in~N#1;havoc lis_~best~0#1.base, lis_~best~0#1.offset;havoc lis_~prev~0#1.base, lis_~prev~0#1.offset;havoc lis_~i~0#1;havoc lis_~j~0#1;lis_~max~0#1 := 0;call lis_#t~malloc2#1.base, lis_#t~malloc2#1.offset := #Ultimate.allocOnStack(4 * lis_~N#1 % 18446744073709551616);lis_~best~0#1.base, lis_~best~0#1.offset := lis_#t~malloc2#1.base, lis_#t~malloc2#1.offset;call lis_#t~malloc3#1.base, lis_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * lis_~N#1 % 18446744073709551616);lis_~prev~0#1.base, lis_~prev~0#1.offset := lis_#t~malloc3#1.base, lis_#t~malloc3#1.offset;lis_~i~0#1 := 0; 1974#L552-3 assume !!(lis_~i~0#1 < lis_~N#1);call write~int(1, lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~i~0#1, 4);call write~int(lis_~i~0#1, lis_~prev~0#1.base, lis_~prev~0#1.offset + 4 * lis_~i~0#1, 4); 1975#L552-2 lis_#t~post4#1 := lis_~i~0#1;lis_~i~0#1 := 1 + lis_#t~post4#1;havoc lis_#t~post4#1; 1976#L552-3 assume !!(lis_~i~0#1 < lis_~N#1);call write~int(1, lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~i~0#1, 4);call write~int(lis_~i~0#1, lis_~prev~0#1.base, lis_~prev~0#1.offset + 4 * lis_~i~0#1, 4); 1977#L552-2 lis_#t~post4#1 := lis_~i~0#1;lis_~i~0#1 := 1 + lis_#t~post4#1;havoc lis_#t~post4#1; 2021#L552-3 assume !!(lis_~i~0#1 < lis_~N#1);call write~int(1, lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~i~0#1, 4);call write~int(lis_~i~0#1, lis_~prev~0#1.base, lis_~prev~0#1.offset + 4 * lis_~i~0#1, 4); 2020#L552-2 lis_#t~post4#1 := lis_~i~0#1;lis_~i~0#1 := 1 + lis_#t~post4#1;havoc lis_#t~post4#1; 2017#L552-3 assume !(lis_~i~0#1 < lis_~N#1); 1980#L552-4 lis_~i~0#1 := 1; 1981#L554-3 assume !!(lis_~i~0#1 < lis_~N#1);lis_~j~0#1 := 0; 2027#L555-3 assume !!(lis_~j~0#1 < lis_~i~0#1);call lis_#t~mem7#1 := read~int(lis_~a#1.base, lis_~a#1.offset + 4 * lis_~i~0#1, 4);call lis_#t~mem8#1 := read~int(lis_~a#1.base, lis_~a#1.offset + 4 * lis_~j~0#1, 4);lis_#t~short11#1 := lis_#t~mem7#1 > lis_#t~mem8#1; 2026#L556 assume lis_#t~short11#1;call lis_#t~mem10#1 := read~int(lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~i~0#1, 4);call lis_#t~mem9#1 := read~int(lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~j~0#1, 4);lis_#t~short11#1 := lis_#t~mem10#1 < 1 + lis_#t~mem9#1; 2024#L556-2 assume lis_#t~short11#1;havoc lis_#t~mem7#1;havoc lis_#t~mem8#1;havoc lis_#t~mem10#1;havoc lis_#t~mem9#1;havoc lis_#t~short11#1;call lis_#t~mem12#1 := read~int(lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~j~0#1, 4);call write~int(1 + lis_#t~mem12#1, lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~i~0#1, 4);havoc lis_#t~mem12#1;call write~int(lis_~j~0#1, lis_~prev~0#1.base, lis_~prev~0#1.offset + 4 * lis_~i~0#1, 4); 2023#L555-2 lis_#t~post6#1 := lis_~j~0#1;lis_~j~0#1 := 1 + lis_#t~post6#1;havoc lis_#t~post6#1; 2022#L555-3 assume !(lis_~j~0#1 < lis_~i~0#1); 1990#L554-2 lis_#t~post5#1 := lis_~i~0#1;lis_~i~0#1 := 1 + lis_#t~post5#1;havoc lis_#t~post5#1; 1991#L554-3 assume !!(lis_~i~0#1 < lis_~N#1);lis_~j~0#1 := 0; 1978#L555-3 [2023-11-12 02:19:00,882 INFO L750 eck$LassoCheckResult]: Loop: 1978#L555-3 assume !!(lis_~j~0#1 < lis_~i~0#1);call lis_#t~mem7#1 := read~int(lis_~a#1.base, lis_~a#1.offset + 4 * lis_~i~0#1, 4);call lis_#t~mem8#1 := read~int(lis_~a#1.base, lis_~a#1.offset + 4 * lis_~j~0#1, 4);lis_#t~short11#1 := lis_#t~mem7#1 > lis_#t~mem8#1; 1979#L556 assume lis_#t~short11#1;call lis_#t~mem10#1 := read~int(lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~i~0#1, 4);call lis_#t~mem9#1 := read~int(lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~j~0#1, 4);lis_#t~short11#1 := lis_#t~mem10#1 < 1 + lis_#t~mem9#1; 1982#L556-2 assume lis_#t~short11#1;havoc lis_#t~mem7#1;havoc lis_#t~mem8#1;havoc lis_#t~mem10#1;havoc lis_#t~mem9#1;havoc lis_#t~short11#1;call lis_#t~mem12#1 := read~int(lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~j~0#1, 4);call write~int(1 + lis_#t~mem12#1, lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~i~0#1, 4);havoc lis_#t~mem12#1;call write~int(lis_~j~0#1, lis_~prev~0#1.base, lis_~prev~0#1.offset + 4 * lis_~i~0#1, 4); 1986#L555-2 lis_#t~post6#1 := lis_~j~0#1;lis_~j~0#1 := 1 + lis_#t~post6#1;havoc lis_#t~post6#1; 1978#L555-3 [2023-11-12 02:19:00,883 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:19:00,883 INFO L85 PathProgramCache]: Analyzing trace with hash 1464380025, now seen corresponding path program 4 times [2023-11-12 02:19:00,883 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:19:00,883 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [86166948] [2023-11-12 02:19:00,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:19:00,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:19:00,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:19:00,911 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:19:00,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:19:00,938 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:19:00,938 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:19:00,939 INFO L85 PathProgramCache]: Analyzing trace with hash 2127272, now seen corresponding path program 2 times [2023-11-12 02:19:00,939 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:19:00,939 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [18240165] [2023-11-12 02:19:00,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:19:00,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:19:00,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:19:00,947 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:19:00,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:19:00,954 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:19:00,954 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:19:00,954 INFO L85 PathProgramCache]: Analyzing trace with hash -710990816, now seen corresponding path program 5 times [2023-11-12 02:19:00,955 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:19:00,955 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [184679393] [2023-11-12 02:19:00,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:19:00,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:19:01,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:19:01,035 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:19:01,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:19:01,119 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:19:07,912 WARN L293 SmtUtils]: Spent 6.49s on a formula simplification. DAG size of input: 228 DAG size of output: 167 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-12 02:19:12,113 INFO L210 LassoAnalysis]: Preferences: [2023-11-12 02:19:12,113 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-12 02:19:12,113 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-12 02:19:12,113 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-12 02:19:12,113 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-12 02:19:12,113 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:19:12,113 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-12 02:19:12,114 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-12 02:19:12,114 INFO L133 ssoRankerPreferences]: Filename of dumped script: lis-alloca-2.i_Iteration10_Lasso [2023-11-12 02:19:12,114 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-12 02:19:12,114 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-12 02:19:12,119 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:19:12,122 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:19:12,126 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:19:12,130 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:19:12,133 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:19:12,136 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:19:12,139 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:19:12,143 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:19:12,146 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:19:12,149 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:19:12,154 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:19:12,157 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:19:12,162 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:19:12,165 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:19:12,168 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:19:12,172 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:19:12,176 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:19:12,179 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:19:12,182 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:19:12,186 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:19:12,190 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:19:12,193 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:19:12,196 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:19:12,199 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:19:15,025 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:19:15,819 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-12 02:19:15,819 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-12 02:19:15,820 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:19:15,820 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:19:15,832 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:19:15,833 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 [2023-11-12 02:19:15,844 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2023-11-12 02:19:15,845 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:19:15,845 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-12 02:19:15,845 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:19:15,845 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:19:15,845 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:19:15,845 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-12 02:19:15,845 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-12 02:19:15,847 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:19:15,849 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Ended with exit code 0 [2023-11-12 02:19:15,850 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:19:15,850 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:19:15,851 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:19:15,853 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2023-11-12 02:19:15,854 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 [2023-11-12 02:19:15,864 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:19:15,864 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-12 02:19:15,864 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:19:15,865 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:19:15,865 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:19:15,865 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-12 02:19:15,865 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-12 02:19:15,866 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:19:15,869 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Forceful destruction successful, exit code 0 [2023-11-12 02:19:15,869 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:19:15,869 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:19:15,870 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:19:15,873 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2023-11-12 02:19:15,873 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 [2023-11-12 02:19:15,883 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:19:15,883 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:19:15,883 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:19:15,883 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:19:15,885 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-12 02:19:15,885 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-12 02:19:15,888 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:19:15,891 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Ended with exit code 0 [2023-11-12 02:19:15,891 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:19:15,891 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:19:15,892 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:19:15,894 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2023-11-12 02:19:15,894 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 [2023-11-12 02:19:15,904 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:19:15,905 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:19:15,905 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:19:15,905 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:19:15,906 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-12 02:19:15,906 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-12 02:19:15,910 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:19:15,912 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Forceful destruction successful, exit code 0 [2023-11-12 02:19:15,913 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:19:15,913 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:19:15,913 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:19:15,915 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2023-11-12 02:19:15,916 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 [2023-11-12 02:19:15,926 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:19:15,926 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-12 02:19:15,926 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:19:15,926 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:19:15,926 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:19:15,926 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-12 02:19:15,927 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-12 02:19:15,928 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:19:15,931 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Forceful destruction successful, exit code 0 [2023-11-12 02:19:15,931 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:19:15,932 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:19:15,932 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:19:15,935 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2023-11-12 02:19:15,936 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 [2023-11-12 02:19:15,946 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:19:15,946 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-12 02:19:15,946 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:19:15,946 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:19:15,946 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:19:15,946 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-12 02:19:15,946 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-12 02:19:15,948 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:19:15,950 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Ended with exit code 0 [2023-11-12 02:19:15,950 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:19:15,951 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:19:15,951 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:19:15,953 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2023-11-12 02:19:15,954 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 [2023-11-12 02:19:15,964 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:19:15,964 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-12 02:19:15,964 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:19:15,964 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:19:15,964 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:19:15,965 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-12 02:19:15,965 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-12 02:19:15,966 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:19:15,969 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Forceful destruction successful, exit code 0 [2023-11-12 02:19:15,969 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:19:15,969 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:19:15,970 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:19:15,972 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2023-11-12 02:19:15,972 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-12 02:19:15,982 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:19:15,982 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-12 02:19:15,982 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:19:15,982 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:19:15,982 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:19:15,983 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-12 02:19:15,983 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-12 02:19:15,984 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:19:15,987 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Ended with exit code 0 [2023-11-12 02:19:15,987 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:19:15,987 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:19:15,988 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:19:15,989 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2023-11-12 02:19:15,990 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 [2023-11-12 02:19:16,000 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:19:16,001 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-12 02:19:16,001 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:19:16,001 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:19:16,001 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:19:16,008 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-12 02:19:16,008 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-12 02:19:16,016 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:19:16,019 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Ended with exit code 0 [2023-11-12 02:19:16,019 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:19:16,019 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:19:16,020 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:19:16,028 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2023-11-12 02:19:16,029 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 [2023-11-12 02:19:16,038 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:19:16,039 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:19:16,039 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:19:16,039 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:19:16,040 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-12 02:19:16,040 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-12 02:19:16,044 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:19:16,047 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Ended with exit code 0 [2023-11-12 02:19:16,047 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:19:16,047 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:19:16,048 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:19:16,050 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2023-11-12 02:19:16,051 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-12 02:19:16,061 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:19:16,061 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-12 02:19:16,061 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:19:16,061 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:19:16,061 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:19:16,062 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-12 02:19:16,062 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-12 02:19:16,079 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:19:16,082 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Ended with exit code 0 [2023-11-12 02:19:16,082 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:19:16,082 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:19:16,083 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:19:16,085 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Waiting until timeout for monitored process [2023-11-12 02:19:16,086 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 [2023-11-12 02:19:16,096 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:19:16,096 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:19:16,097 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:19:16,097 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:19:16,098 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-12 02:19:16,098 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-12 02:19:16,102 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:19:16,104 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Ended with exit code 0 [2023-11-12 02:19:16,104 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:19:16,105 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:19:16,105 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:19:16,108 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Waiting until timeout for monitored process [2023-11-12 02:19:16,109 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 [2023-11-12 02:19:16,119 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:19:16,120 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-12 02:19:16,120 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:19:16,120 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:19:16,120 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:19:16,120 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-12 02:19:16,120 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-12 02:19:16,122 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:19:16,124 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Ended with exit code 0 [2023-11-12 02:19:16,125 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:19:16,125 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:19:16,126 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:19:16,128 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Waiting until timeout for monitored process [2023-11-12 02:19:16,128 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 [2023-11-12 02:19:16,138 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:19:16,138 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-12 02:19:16,138 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:19:16,138 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:19:16,138 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:19:16,139 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-12 02:19:16,139 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-12 02:19:16,140 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:19:16,143 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Ended with exit code 0 [2023-11-12 02:19:16,143 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:19:16,143 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:19:16,144 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:19:16,146 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Waiting until timeout for monitored process [2023-11-12 02:19:16,146 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 [2023-11-12 02:19:16,156 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:19:16,156 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:19:16,156 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:19:16,157 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:19:16,158 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-12 02:19:16,158 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-12 02:19:16,161 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:19:16,166 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Ended with exit code 0 [2023-11-12 02:19:16,166 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:19:16,167 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:19:16,167 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:19:16,168 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Waiting until timeout for monitored process [2023-11-12 02:19:16,171 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 [2023-11-12 02:19:16,181 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:19:16,181 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-12 02:19:16,181 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:19:16,181 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:19:16,181 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:19:16,181 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-12 02:19:16,182 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-12 02:19:16,183 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:19:16,185 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Ended with exit code 0 [2023-11-12 02:19:16,185 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:19:16,186 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:19:16,186 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:19:16,190 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Waiting until timeout for monitored process [2023-11-12 02:19:16,191 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 [2023-11-12 02:19:16,200 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:19:16,200 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:19:16,201 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:19:16,201 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:19:16,202 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-12 02:19:16,202 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-12 02:19:16,206 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:19:16,208 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Ended with exit code 0 [2023-11-12 02:19:16,208 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:19:16,208 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:19:16,209 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:19:16,211 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Waiting until timeout for monitored process [2023-11-12 02:19:16,212 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 [2023-11-12 02:19:16,222 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:19:16,222 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-12 02:19:16,222 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:19:16,222 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:19:16,222 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:19:16,222 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-12 02:19:16,223 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-12 02:19:16,224 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:19:16,226 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Ended with exit code 0 [2023-11-12 02:19:16,227 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:19:16,227 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:19:16,227 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:19:16,228 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Waiting until timeout for monitored process [2023-11-12 02:19:16,230 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 [2023-11-12 02:19:16,240 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:19:16,240 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:19:16,240 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:19:16,240 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:19:16,241 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-12 02:19:16,241 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-12 02:19:16,245 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:19:16,247 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Ended with exit code 0 [2023-11-12 02:19:16,247 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:19:16,247 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:19:16,248 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:19:16,249 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Waiting until timeout for monitored process [2023-11-12 02:19:16,251 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 [2023-11-12 02:19:16,261 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:19:16,261 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-12 02:19:16,261 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:19:16,261 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:19:16,261 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:19:16,261 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-12 02:19:16,262 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-12 02:19:16,263 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:19:16,266 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Ended with exit code 0 [2023-11-12 02:19:16,267 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:19:16,267 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:19:16,267 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:19:16,269 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Waiting until timeout for monitored process [2023-11-12 02:19:16,270 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 [2023-11-12 02:19:16,280 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:19:16,281 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-12 02:19:16,281 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:19:16,281 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:19:16,281 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:19:16,281 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-12 02:19:16,281 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-12 02:19:16,282 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:19:16,285 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Ended with exit code 0 [2023-11-12 02:19:16,285 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:19:16,285 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:19:16,286 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:19:16,288 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Waiting until timeout for monitored process [2023-11-12 02:19:16,288 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 [2023-11-12 02:19:16,298 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:19:16,298 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-12 02:19:16,299 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:19:16,299 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:19:16,299 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:19:16,299 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-12 02:19:16,299 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-12 02:19:16,300 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:19:16,303 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Ended with exit code 0 [2023-11-12 02:19:16,303 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:19:16,303 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:19:16,304 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:19:16,306 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Waiting until timeout for monitored process [2023-11-12 02:19:16,307 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 [2023-11-12 02:19:16,316 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:19:16,317 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-12 02:19:16,317 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:19:16,317 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:19:16,317 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:19:16,317 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-12 02:19:16,317 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-12 02:19:16,319 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:19:16,322 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Ended with exit code 0 [2023-11-12 02:19:16,322 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:19:16,322 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:19:16,323 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:19:16,325 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Waiting until timeout for monitored process [2023-11-12 02:19:16,326 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 [2023-11-12 02:19:16,336 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:19:16,336 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:19:16,336 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:19:16,336 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:19:16,339 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-12 02:19:16,340 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-12 02:19:16,376 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:19:16,379 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Forceful destruction successful, exit code 0 [2023-11-12 02:19:16,379 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:19:16,380 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:19:16,381 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:19:16,388 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 [2023-11-12 02:19:16,392 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Waiting until timeout for monitored process [2023-11-12 02:19:16,398 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:19:16,399 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:19:16,399 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:19:16,399 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:19:16,400 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-12 02:19:16,400 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-12 02:19:16,403 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:19:16,406 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Ended with exit code 0 [2023-11-12 02:19:16,406 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:19:16,406 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:19:16,407 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:19:16,409 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Waiting until timeout for monitored process [2023-11-12 02:19:16,409 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-12 02:19:16,420 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:19:16,420 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:19:16,420 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:19:16,420 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:19:16,426 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-12 02:19:16,426 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-12 02:19:16,437 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:19:16,440 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Ended with exit code 0 [2023-11-12 02:19:16,440 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:19:16,440 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:19:16,441 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:19:16,443 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Waiting until timeout for monitored process [2023-11-12 02:19:16,444 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 [2023-11-12 02:19:16,454 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:19:16,454 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-12 02:19:16,454 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:19:16,454 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:19:16,454 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:19:16,454 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-12 02:19:16,455 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-12 02:19:16,456 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:19:16,459 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Forceful destruction successful, exit code 0 [2023-11-12 02:19:16,459 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:19:16,459 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:19:16,460 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:19:16,461 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Waiting until timeout for monitored process [2023-11-12 02:19:16,462 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 [2023-11-12 02:19:16,472 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:19:16,472 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:19:16,472 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:19:16,472 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:19:16,475 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-12 02:19:16,475 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-12 02:19:16,479 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:19:16,481 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Ended with exit code 0 [2023-11-12 02:19:16,481 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:19:16,482 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:19:16,482 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:19:16,484 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Waiting until timeout for monitored process [2023-11-12 02:19:16,485 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 [2023-11-12 02:19:16,495 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:19:16,495 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:19:16,495 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:19:16,495 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:19:16,498 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-12 02:19:16,498 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-12 02:19:16,504 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:19:16,507 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Ended with exit code 0 [2023-11-12 02:19:16,507 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:19:16,507 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:19:16,508 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:19:16,510 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Waiting until timeout for monitored process [2023-11-12 02:19:16,510 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 [2023-11-12 02:19:16,520 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:19:16,521 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-12 02:19:16,521 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:19:16,521 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:19:16,521 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:19:16,521 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-12 02:19:16,522 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-12 02:19:16,524 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:19:16,527 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Ended with exit code 0 [2023-11-12 02:19:16,527 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:19:16,527 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:19:16,528 INFO L229 MonitoredProcess]: Starting monitored process 82 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:19:16,530 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Waiting until timeout for monitored process [2023-11-12 02:19:16,531 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 [2023-11-12 02:19:16,541 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:19:16,541 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:19:16,541 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:19:16,541 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:19:16,544 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-12 02:19:16,544 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-12 02:19:16,550 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:19:16,553 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Forceful destruction successful, exit code 0 [2023-11-12 02:19:16,553 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:19:16,554 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:19:16,554 INFO L229 MonitoredProcess]: Starting monitored process 83 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:19:16,556 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Waiting until timeout for monitored process [2023-11-12 02:19:16,557 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 [2023-11-12 02:19:16,568 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:19:16,568 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:19:16,568 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:19:16,568 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:19:16,584 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-12 02:19:16,584 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-12 02:19:16,619 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-12 02:19:16,848 INFO L443 ModelExtractionUtils]: Simplification made 41 calls to the SMT solver. [2023-11-12 02:19:16,849 INFO L444 ModelExtractionUtils]: 9 out of 49 variables were initially zero. Simplification set additionally 36 variables to zero. [2023-11-12 02:19:16,849 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:19:16,849 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:19:16,851 INFO L229 MonitoredProcess]: Starting monitored process 84 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:19:16,852 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Waiting until timeout for monitored process [2023-11-12 02:19:16,852 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-12 02:19:16,863 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2023-11-12 02:19:16,864 INFO L513 LassoAnalysis]: Proved termination. [2023-11-12 02:19:16,864 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_lis_~j~0#1, v_rep(select #length ULTIMATE.start_lis_~prev~0#1.base)_3) = -4*ULTIMATE.start_lis_~j~0#1 + 1*v_rep(select #length ULTIMATE.start_lis_~prev~0#1.base)_3 Supporting invariants [1*ULTIMATE.start_lis_~best~0#1.offset >= 0] [2023-11-12 02:19:16,867 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Ended with exit code 0 [2023-11-12 02:19:17,173 INFO L156 tatePredicateManager]: 33 out of 35 supporting invariants were superfluous and have been removed [2023-11-12 02:19:17,177 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[~prev~0!base] could not be translated [2023-11-12 02:19:17,200 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:19:17,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:19:17,245 INFO L262 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-12 02:19:17,247 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:19:17,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:19:17,373 INFO L262 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-12 02:19:17,373 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:19:17,442 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:19:17,442 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 3 loop predicates [2023-11-12 02:19:17,443 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 57 states and 73 transitions. cyclomatic complexity: 20 Second operand has 5 states, 5 states have (on average 4.0) internal successors, (20), 5 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) [2023-11-12 02:19:17,566 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 57 states and 73 transitions. cyclomatic complexity: 20. Second operand has 5 states, 5 states have (on average 4.0) internal successors, (20), 5 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) Result 81 states and 101 transitions. Complement of second has 10 states. [2023-11-12 02:19:17,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 2 stem states 3 non-accepting loop states 1 accepting loop states [2023-11-12 02:19:17,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 4.0) internal successors, (20), 5 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) [2023-11-12 02:19:17,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 20 transitions. [2023-11-12 02:19:17,575 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 20 transitions. Stem has 20 letters. Loop has 4 letters. [2023-11-12 02:19:17,576 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-12 02:19:17,576 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2023-11-12 02:19:17,604 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:19:17,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:19:17,665 INFO L262 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-12 02:19:17,668 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:19:17,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:19:17,816 INFO L262 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-12 02:19:17,817 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:19:17,892 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:19:17,893 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.2 stem predicates 3 loop predicates [2023-11-12 02:19:17,893 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 57 states and 73 transitions. cyclomatic complexity: 20 Second operand has 5 states, 5 states have (on average 4.0) internal successors, (20), 5 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) [2023-11-12 02:19:18,002 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 57 states and 73 transitions. cyclomatic complexity: 20. Second operand has 5 states, 5 states have (on average 4.0) internal successors, (20), 5 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) Result 81 states and 101 transitions. Complement of second has 10 states. [2023-11-12 02:19:18,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 2 stem states 3 non-accepting loop states 1 accepting loop states [2023-11-12 02:19:18,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 4.0) internal successors, (20), 5 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) [2023-11-12 02:19:18,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 20 transitions. [2023-11-12 02:19:18,004 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 20 transitions. Stem has 20 letters. Loop has 4 letters. [2023-11-12 02:19:18,004 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-12 02:19:18,004 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2023-11-12 02:19:18,031 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:19:18,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:19:18,074 INFO L262 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-12 02:19:18,075 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:19:18,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:19:18,207 INFO L262 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-12 02:19:18,207 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:19:18,281 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:19:18,282 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.2 stem predicates 3 loop predicates [2023-11-12 02:19:18,282 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 57 states and 73 transitions. cyclomatic complexity: 20 Second operand has 5 states, 5 states have (on average 4.0) internal successors, (20), 5 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) [2023-11-12 02:19:18,412 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 57 states and 73 transitions. cyclomatic complexity: 20. Second operand has 5 states, 5 states have (on average 4.0) internal successors, (20), 5 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) Result 115 states and 149 transitions. Complement of second has 9 states. [2023-11-12 02:19:18,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 2 stem states 3 non-accepting loop states 1 accepting loop states [2023-11-12 02:19:18,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 4.0) internal successors, (20), 5 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) [2023-11-12 02:19:18,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 42 transitions. [2023-11-12 02:19:18,414 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 42 transitions. Stem has 20 letters. Loop has 4 letters. [2023-11-12 02:19:18,414 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-12 02:19:18,414 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 42 transitions. Stem has 24 letters. Loop has 4 letters. [2023-11-12 02:19:18,415 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-12 02:19:18,420 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 42 transitions. Stem has 20 letters. Loop has 8 letters. [2023-11-12 02:19:18,420 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-12 02:19:18,420 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 115 states and 149 transitions. [2023-11-12 02:19:18,422 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 37 [2023-11-12 02:19:18,424 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 115 states to 88 states and 115 transitions. [2023-11-12 02:19:18,424 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 43 [2023-11-12 02:19:18,424 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 59 [2023-11-12 02:19:18,424 INFO L73 IsDeterministic]: Start isDeterministic. Operand 88 states and 115 transitions. [2023-11-12 02:19:18,425 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-12 02:19:18,425 INFO L218 hiAutomatonCegarLoop]: Abstraction has 88 states and 115 transitions. [2023-11-12 02:19:18,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states and 115 transitions. [2023-11-12 02:19:18,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 73. [2023-11-12 02:19:18,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 73 states have (on average 1.3424657534246576) internal successors, (98), 72 states have internal predecessors, (98), 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) [2023-11-12 02:19:18,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 98 transitions. [2023-11-12 02:19:18,429 INFO L240 hiAutomatonCegarLoop]: Abstraction has 73 states and 98 transitions. [2023-11-12 02:19:18,430 INFO L428 stractBuchiCegarLoop]: Abstraction has 73 states and 98 transitions. [2023-11-12 02:19:18,430 INFO L335 stractBuchiCegarLoop]: ======== Iteration 11 ============ [2023-11-12 02:19:18,430 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 73 states and 98 transitions. [2023-11-12 02:19:18,430 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 29 [2023-11-12 02:19:18,431 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-12 02:19:18,431 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-12 02:19:18,431 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:19:18,432 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2023-11-12 02:19:18,432 INFO L748 eck$LassoCheckResult]: Stem: 2761#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 2758#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet16#1, main_#t~malloc17#1.base, main_#t~malloc17#1.offset, main_#t~ret18#1, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;havoc main_#t~nondet16#1;main_~array_size~0#1 := main_#t~nondet16#1;havoc main_#t~nondet16#1; 2733#L565 assume !(main_~array_size~0#1 < 1); 2734#L565-2 call main_#t~malloc17#1.base, main_#t~malloc17#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1 % 18446744073709551616);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc17#1.base, main_#t~malloc17#1.offset;assume { :begin_inline_lis } true;lis_#in~a#1.base, lis_#in~a#1.offset, lis_#in~N#1 := main_~numbers~0#1.base, main_~numbers~0#1.offset, main_~array_size~0#1;havoc lis_#res#1;havoc lis_#t~malloc2#1.base, lis_#t~malloc2#1.offset, lis_#t~malloc3#1.base, lis_#t~malloc3#1.offset, lis_#t~post4#1, lis_#t~mem7#1, lis_#t~mem8#1, lis_#t~mem10#1, lis_#t~mem9#1, lis_#t~short11#1, lis_#t~mem12#1, lis_#t~post6#1, lis_#t~post5#1, lis_#t~mem14#1, lis_#t~mem15#1, lis_#t~post13#1, lis_~a#1.base, lis_~a#1.offset, lis_~N#1, lis_~best~0#1.base, lis_~best~0#1.offset, lis_~prev~0#1.base, lis_~prev~0#1.offset, lis_~i~0#1, lis_~j~0#1, lis_~max~0#1;lis_~a#1.base, lis_~a#1.offset := lis_#in~a#1.base, lis_#in~a#1.offset;lis_~N#1 := lis_#in~N#1;havoc lis_~best~0#1.base, lis_~best~0#1.offset;havoc lis_~prev~0#1.base, lis_~prev~0#1.offset;havoc lis_~i~0#1;havoc lis_~j~0#1;lis_~max~0#1 := 0;call lis_#t~malloc2#1.base, lis_#t~malloc2#1.offset := #Ultimate.allocOnStack(4 * lis_~N#1 % 18446744073709551616);lis_~best~0#1.base, lis_~best~0#1.offset := lis_#t~malloc2#1.base, lis_#t~malloc2#1.offset;call lis_#t~malloc3#1.base, lis_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * lis_~N#1 % 18446744073709551616);lis_~prev~0#1.base, lis_~prev~0#1.offset := lis_#t~malloc3#1.base, lis_#t~malloc3#1.offset;lis_~i~0#1 := 0; 2735#L552-3 assume !!(lis_~i~0#1 < lis_~N#1);call write~int(1, lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~i~0#1, 4);call write~int(lis_~i~0#1, lis_~prev~0#1.base, lis_~prev~0#1.offset + 4 * lis_~i~0#1, 4); 2736#L552-2 lis_#t~post4#1 := lis_~i~0#1;lis_~i~0#1 := 1 + lis_#t~post4#1;havoc lis_#t~post4#1; 2737#L552-3 assume !!(lis_~i~0#1 < lis_~N#1);call write~int(1, lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~i~0#1, 4);call write~int(lis_~i~0#1, lis_~prev~0#1.base, lis_~prev~0#1.offset + 4 * lis_~i~0#1, 4); 2738#L552-2 lis_#t~post4#1 := lis_~i~0#1;lis_~i~0#1 := 1 + lis_#t~post4#1;havoc lis_#t~post4#1; 2780#L552-3 assume !!(lis_~i~0#1 < lis_~N#1);call write~int(1, lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~i~0#1, 4);call write~int(lis_~i~0#1, lis_~prev~0#1.base, lis_~prev~0#1.offset + 4 * lis_~i~0#1, 4); 2781#L552-2 lis_#t~post4#1 := lis_~i~0#1;lis_~i~0#1 := 1 + lis_#t~post4#1;havoc lis_#t~post4#1; 2801#L552-3 assume !(lis_~i~0#1 < lis_~N#1); 2800#L552-4 lis_~i~0#1 := 1; 2799#L554-3 assume !!(lis_~i~0#1 < lis_~N#1);lis_~j~0#1 := 0; 2798#L555-3 assume !!(lis_~j~0#1 < lis_~i~0#1);call lis_#t~mem7#1 := read~int(lis_~a#1.base, lis_~a#1.offset + 4 * lis_~i~0#1, 4);call lis_#t~mem8#1 := read~int(lis_~a#1.base, lis_~a#1.offset + 4 * lis_~j~0#1, 4);lis_#t~short11#1 := lis_#t~mem7#1 > lis_#t~mem8#1; 2796#L556 assume lis_#t~short11#1;call lis_#t~mem10#1 := read~int(lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~i~0#1, 4);call lis_#t~mem9#1 := read~int(lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~j~0#1, 4);lis_#t~short11#1 := lis_#t~mem10#1 < 1 + lis_#t~mem9#1; 2794#L556-2 assume lis_#t~short11#1;havoc lis_#t~mem7#1;havoc lis_#t~mem8#1;havoc lis_#t~mem10#1;havoc lis_#t~mem9#1;havoc lis_#t~short11#1;call lis_#t~mem12#1 := read~int(lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~j~0#1, 4);call write~int(1 + lis_#t~mem12#1, lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~i~0#1, 4);havoc lis_#t~mem12#1;call write~int(lis_~j~0#1, lis_~prev~0#1.base, lis_~prev~0#1.offset + 4 * lis_~i~0#1, 4); 2793#L555-2 lis_#t~post6#1 := lis_~j~0#1;lis_~j~0#1 := 1 + lis_#t~post6#1;havoc lis_#t~post6#1; 2792#L555-3 assume !(lis_~j~0#1 < lis_~i~0#1); 2791#L554-2 lis_#t~post5#1 := lis_~i~0#1;lis_~i~0#1 := 1 + lis_#t~post5#1;havoc lis_#t~post5#1; 2782#L554-3 assume !!(lis_~i~0#1 < lis_~N#1);lis_~j~0#1 := 0; 2783#L555-3 assume !!(lis_~j~0#1 < lis_~i~0#1);call lis_#t~mem7#1 := read~int(lis_~a#1.base, lis_~a#1.offset + 4 * lis_~i~0#1, 4);call lis_#t~mem8#1 := read~int(lis_~a#1.base, lis_~a#1.offset + 4 * lis_~j~0#1, 4);lis_#t~short11#1 := lis_#t~mem7#1 > lis_#t~mem8#1; 2790#L556 [2023-11-12 02:19:18,432 INFO L750 eck$LassoCheckResult]: Loop: 2790#L556 assume lis_#t~short11#1;call lis_#t~mem10#1 := read~int(lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~i~0#1, 4);call lis_#t~mem9#1 := read~int(lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~j~0#1, 4);lis_#t~short11#1 := lis_#t~mem10#1 < 1 + lis_#t~mem9#1; 2804#L556-2 assume !lis_#t~short11#1;havoc lis_#t~mem7#1;havoc lis_#t~mem8#1;havoc lis_#t~mem10#1;havoc lis_#t~mem9#1;havoc lis_#t~short11#1; 2802#L555-2 lis_#t~post6#1 := lis_~j~0#1;lis_~j~0#1 := 1 + lis_#t~post6#1;havoc lis_#t~post6#1; 2803#L555-3 assume !!(lis_~j~0#1 < lis_~i~0#1);call lis_#t~mem7#1 := read~int(lis_~a#1.base, lis_~a#1.offset + 4 * lis_~i~0#1, 4);call lis_#t~mem8#1 := read~int(lis_~a#1.base, lis_~a#1.offset + 4 * lis_~j~0#1, 4);lis_#t~short11#1 := lis_#t~mem7#1 > lis_#t~mem8#1; 2790#L556 [2023-11-12 02:19:18,433 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:19:18,433 INFO L85 PathProgramCache]: Analyzing trace with hash -1848859442, now seen corresponding path program 6 times [2023-11-12 02:19:18,433 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:19:18,433 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [691435677] [2023-11-12 02:19:18,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:19:18,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:19:18,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:19:18,485 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:19:18,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:19:18,525 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:19:18,526 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:19:18,526 INFO L85 PathProgramCache]: Analyzing trace with hash 2224444, now seen corresponding path program 2 times [2023-11-12 02:19:18,526 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:19:18,527 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [94488862] [2023-11-12 02:19:18,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:19:18,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:19:18,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:19:18,572 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:19:18,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:19:18,579 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:19:18,579 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:19:18,579 INFO L85 PathProgramCache]: Analyzing trace with hash -565876855, now seen corresponding path program 1 times [2023-11-12 02:19:18,583 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:19:18,583 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1504519030] [2023-11-12 02:19:18,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:19:18,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:19:18,586 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Ended with exit code 0 [2023-11-12 02:19:18,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:19:20,128 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 4 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:19:20,129 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:19:20,129 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1504519030] [2023-11-12 02:19:20,129 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1504519030] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-12 02:19:20,129 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [445434950] [2023-11-12 02:19:20,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:19:20,129 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:19:20,129 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:19:20,130 INFO L229 MonitoredProcess]: Starting monitored process 85 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 02:19:20,132 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (85)] Waiting until timeout for monitored process [2023-11-12 02:19:20,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:19:20,248 INFO L262 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 38 conjunts are in the unsatisfiable core [2023-11-12 02:19:20,251 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:19:20,281 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 98 treesize of output 94 [2023-11-12 02:19:20,305 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 16 [2023-11-12 02:19:20,309 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2023-11-12 02:19:20,332 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 26 [2023-11-12 02:19:20,336 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 16 [2023-11-12 02:19:20,649 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 39 [2023-11-12 02:19:20,654 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 16 [2023-11-12 02:19:20,840 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-12 02:19:20,841 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 22 treesize of output 10 [2023-11-12 02:19:20,872 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 4 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:19:20,873 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 02:19:21,414 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_548 (Array Int Int)) (v_ArrVal_550 Int) (v_ArrVal_551 (Array Int Int))) (let ((.cse0 (select (store (store |c_#memory_int| |c_ULTIMATE.start_lis_~best~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_lis_~best~0#1.base|) (+ (* 4 |c_ULTIMATE.start_lis_~i~0#1|) 4 |c_ULTIMATE.start_lis_~best~0#1.offset|) 1)) |c_ULTIMATE.start_lis_~prev~0#1.base| v_ArrVal_548) |c_ULTIMATE.start_lis_~best~0#1.base|)) (.cse1 (+ 4 |c_ULTIMATE.start_lis_~best~0#1.offset|))) (or (< (select .cse0 |c_ULTIMATE.start_lis_~best~0#1.offset|) (select .cse0 .cse1)) (let ((.cse2 (select (store (store |c_#memory_int| |c_ULTIMATE.start_lis_~best~0#1.base| (store .cse0 .cse1 v_ArrVal_550)) |c_ULTIMATE.start_lis_~prev~0#1.base| v_ArrVal_551) |c_ULTIMATE.start_lis_~best~0#1.base|))) (< (select .cse2 (+ 8 |c_ULTIMATE.start_lis_~best~0#1.offset|)) (+ (select .cse2 |c_ULTIMATE.start_lis_~best~0#1.offset|) 1)))))) is different from false [2023-11-12 02:19:21,429 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-12 02:19:21,430 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 201 treesize of output 165 [2023-11-12 02:19:21,438 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-12 02:19:21,439 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 9 treesize of output 3 [2023-11-12 02:19:21,443 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 155 treesize of output 145 [2023-11-12 02:19:21,461 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-12 02:19:21,462 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 128 treesize of output 122 [2023-11-12 02:19:21,558 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-12 02:19:21,559 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 5 [2023-11-12 02:19:21,634 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 4 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 2 not checked. [2023-11-12 02:19:21,634 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [445434950] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-12 02:19:21,634 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-12 02:19:21,634 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 14, 14] total 36 [2023-11-12 02:19:21,635 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [753230480] [2023-11-12 02:19:21,635 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-12 02:19:21,857 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:19:21,858 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2023-11-12 02:19:21,859 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=140, Invalid=1049, Unknown=5, NotChecked=66, Total=1260 [2023-11-12 02:19:21,859 INFO L87 Difference]: Start difference. First operand 73 states and 98 transitions. cyclomatic complexity: 30 Second operand has 36 states, 36 states have (on average 1.6388888888888888) internal successors, (59), 36 states have internal predecessors, (59), 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) [2023-11-12 02:19:26,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:19:26,275 INFO L93 Difference]: Finished difference Result 359 states and 489 transitions. [2023-11-12 02:19:26,275 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 359 states and 489 transitions. [2023-11-12 02:19:26,279 INFO L131 ngComponentsAnalysis]: Automaton has 20 accepting balls. 127 [2023-11-12 02:19:26,282 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 359 states to 357 states and 487 transitions. [2023-11-12 02:19:26,283 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 224 [2023-11-12 02:19:26,283 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 224 [2023-11-12 02:19:26,284 INFO L73 IsDeterministic]: Start isDeterministic. Operand 357 states and 487 transitions. [2023-11-12 02:19:26,284 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-12 02:19:26,284 INFO L218 hiAutomatonCegarLoop]: Abstraction has 357 states and 487 transitions. [2023-11-12 02:19:26,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 357 states and 487 transitions. [2023-11-12 02:19:26,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 357 to 89. [2023-11-12 02:19:26,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89 states, 89 states have (on average 1.3258426966292134) internal successors, (118), 88 states have internal predecessors, (118), 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) [2023-11-12 02:19:26,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 118 transitions. [2023-11-12 02:19:26,293 INFO L240 hiAutomatonCegarLoop]: Abstraction has 89 states and 118 transitions. [2023-11-12 02:19:26,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2023-11-12 02:19:26,294 INFO L428 stractBuchiCegarLoop]: Abstraction has 89 states and 118 transitions. [2023-11-12 02:19:26,294 INFO L335 stractBuchiCegarLoop]: ======== Iteration 12 ============ [2023-11-12 02:19:26,295 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 89 states and 118 transitions. [2023-11-12 02:19:26,295 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 29 [2023-11-12 02:19:26,296 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-12 02:19:26,296 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-12 02:19:26,296 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:19:26,297 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2023-11-12 02:19:26,297 INFO L748 eck$LassoCheckResult]: Stem: 3465#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 3458#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet16#1, main_#t~malloc17#1.base, main_#t~malloc17#1.offset, main_#t~ret18#1, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;havoc main_#t~nondet16#1;main_~array_size~0#1 := main_#t~nondet16#1;havoc main_#t~nondet16#1; 3433#L565 assume !(main_~array_size~0#1 < 1); 3434#L565-2 call main_#t~malloc17#1.base, main_#t~malloc17#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1 % 18446744073709551616);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc17#1.base, main_#t~malloc17#1.offset;assume { :begin_inline_lis } true;lis_#in~a#1.base, lis_#in~a#1.offset, lis_#in~N#1 := main_~numbers~0#1.base, main_~numbers~0#1.offset, main_~array_size~0#1;havoc lis_#res#1;havoc lis_#t~malloc2#1.base, lis_#t~malloc2#1.offset, lis_#t~malloc3#1.base, lis_#t~malloc3#1.offset, lis_#t~post4#1, lis_#t~mem7#1, lis_#t~mem8#1, lis_#t~mem10#1, lis_#t~mem9#1, lis_#t~short11#1, lis_#t~mem12#1, lis_#t~post6#1, lis_#t~post5#1, lis_#t~mem14#1, lis_#t~mem15#1, lis_#t~post13#1, lis_~a#1.base, lis_~a#1.offset, lis_~N#1, lis_~best~0#1.base, lis_~best~0#1.offset, lis_~prev~0#1.base, lis_~prev~0#1.offset, lis_~i~0#1, lis_~j~0#1, lis_~max~0#1;lis_~a#1.base, lis_~a#1.offset := lis_#in~a#1.base, lis_#in~a#1.offset;lis_~N#1 := lis_#in~N#1;havoc lis_~best~0#1.base, lis_~best~0#1.offset;havoc lis_~prev~0#1.base, lis_~prev~0#1.offset;havoc lis_~i~0#1;havoc lis_~j~0#1;lis_~max~0#1 := 0;call lis_#t~malloc2#1.base, lis_#t~malloc2#1.offset := #Ultimate.allocOnStack(4 * lis_~N#1 % 18446744073709551616);lis_~best~0#1.base, lis_~best~0#1.offset := lis_#t~malloc2#1.base, lis_#t~malloc2#1.offset;call lis_#t~malloc3#1.base, lis_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * lis_~N#1 % 18446744073709551616);lis_~prev~0#1.base, lis_~prev~0#1.offset := lis_#t~malloc3#1.base, lis_#t~malloc3#1.offset;lis_~i~0#1 := 0; 3435#L552-3 assume !!(lis_~i~0#1 < lis_~N#1);call write~int(1, lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~i~0#1, 4);call write~int(lis_~i~0#1, lis_~prev~0#1.base, lis_~prev~0#1.offset + 4 * lis_~i~0#1, 4); 3436#L552-2 lis_#t~post4#1 := lis_~i~0#1;lis_~i~0#1 := 1 + lis_#t~post4#1;havoc lis_#t~post4#1; 3468#L552-3 assume !!(lis_~i~0#1 < lis_~N#1);call write~int(1, lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~i~0#1, 4);call write~int(lis_~i~0#1, lis_~prev~0#1.base, lis_~prev~0#1.offset + 4 * lis_~i~0#1, 4); 3469#L552-2 lis_#t~post4#1 := lis_~i~0#1;lis_~i~0#1 := 1 + lis_#t~post4#1;havoc lis_#t~post4#1; 3437#L552-3 assume !!(lis_~i~0#1 < lis_~N#1);call write~int(1, lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~i~0#1, 4);call write~int(lis_~i~0#1, lis_~prev~0#1.base, lis_~prev~0#1.offset + 4 * lis_~i~0#1, 4); 3438#L552-2 lis_#t~post4#1 := lis_~i~0#1;lis_~i~0#1 := 1 + lis_#t~post4#1;havoc lis_#t~post4#1; 3466#L552-3 assume !(lis_~i~0#1 < lis_~N#1); 3467#L552-4 lis_~i~0#1 := 1; 3492#L554-3 assume !!(lis_~i~0#1 < lis_~N#1);lis_~j~0#1 := 0; 3493#L555-3 assume !!(lis_~j~0#1 < lis_~i~0#1);call lis_#t~mem7#1 := read~int(lis_~a#1.base, lis_~a#1.offset + 4 * lis_~i~0#1, 4);call lis_#t~mem8#1 := read~int(lis_~a#1.base, lis_~a#1.offset + 4 * lis_~j~0#1, 4);lis_#t~short11#1 := lis_#t~mem7#1 > lis_#t~mem8#1; 3487#L556 assume !lis_#t~short11#1; 3488#L556-2 assume !lis_#t~short11#1;havoc lis_#t~mem7#1;havoc lis_#t~mem8#1;havoc lis_#t~mem10#1;havoc lis_#t~mem9#1;havoc lis_#t~short11#1; 3513#L555-2 lis_#t~post6#1 := lis_~j~0#1;lis_~j~0#1 := 1 + lis_#t~post6#1;havoc lis_#t~post6#1; 3512#L555-3 assume !(lis_~j~0#1 < lis_~i~0#1); 3511#L554-2 lis_#t~post5#1 := lis_~i~0#1;lis_~i~0#1 := 1 + lis_#t~post5#1;havoc lis_#t~post5#1; 3510#L554-3 assume !!(lis_~i~0#1 < lis_~N#1);lis_~j~0#1 := 0; 3509#L555-3 assume !!(lis_~j~0#1 < lis_~i~0#1);call lis_#t~mem7#1 := read~int(lis_~a#1.base, lis_~a#1.offset + 4 * lis_~i~0#1, 4);call lis_#t~mem8#1 := read~int(lis_~a#1.base, lis_~a#1.offset + 4 * lis_~j~0#1, 4);lis_#t~short11#1 := lis_#t~mem7#1 > lis_#t~mem8#1; 3440#L556 [2023-11-12 02:19:26,297 INFO L750 eck$LassoCheckResult]: Loop: 3440#L556 assume lis_#t~short11#1;call lis_#t~mem10#1 := read~int(lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~i~0#1, 4);call lis_#t~mem9#1 := read~int(lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~j~0#1, 4);lis_#t~short11#1 := lis_#t~mem10#1 < 1 + lis_#t~mem9#1; 3520#L556-2 assume !lis_#t~short11#1;havoc lis_#t~mem7#1;havoc lis_#t~mem8#1;havoc lis_#t~mem10#1;havoc lis_#t~mem9#1;havoc lis_#t~short11#1; 3519#L555-2 lis_#t~post6#1 := lis_~j~0#1;lis_~j~0#1 := 1 + lis_#t~post6#1;havoc lis_#t~post6#1; 3439#L555-3 assume !!(lis_~j~0#1 < lis_~i~0#1);call lis_#t~mem7#1 := read~int(lis_~a#1.base, lis_~a#1.offset + 4 * lis_~i~0#1, 4);call lis_#t~mem8#1 := read~int(lis_~a#1.base, lis_~a#1.offset + 4 * lis_~j~0#1, 4);lis_#t~short11#1 := lis_#t~mem7#1 > lis_#t~mem8#1; 3440#L556 [2023-11-12 02:19:26,298 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:19:26,298 INFO L85 PathProgramCache]: Analyzing trace with hash -16593778, now seen corresponding path program 1 times [2023-11-12 02:19:26,298 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:19:26,298 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [435528119] [2023-11-12 02:19:26,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:19:26,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:19:26,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:19:26,319 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:19:26,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:19:26,344 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:19:26,345 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:19:26,345 INFO L85 PathProgramCache]: Analyzing trace with hash 2224444, now seen corresponding path program 3 times [2023-11-12 02:19:26,345 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:19:26,345 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1828973184] [2023-11-12 02:19:26,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:19:26,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:19:26,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:19:26,351 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:19:26,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:19:26,356 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:19:26,356 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:19:26,356 INFO L85 PathProgramCache]: Analyzing trace with hash -257839287, now seen corresponding path program 1 times [2023-11-12 02:19:26,357 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:19:26,357 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1595983721] [2023-11-12 02:19:26,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:19:26,357 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:19:26,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:19:27,153 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 4 proven. 14 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-12 02:19:27,153 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:19:27,154 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1595983721] [2023-11-12 02:19:27,154 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1595983721] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-12 02:19:27,154 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [742343068] [2023-11-12 02:19:27,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:19:27,154 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:19:27,155 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:19:27,156 INFO L229 MonitoredProcess]: Starting monitored process 86 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 02:19:27,188 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe287d1-37b7-43fc-8b4a-7168a15e6b9b/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (86)] Waiting until timeout for monitored process [2023-11-12 02:19:27,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:19:27,283 INFO L262 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 30 conjunts are in the unsatisfiable core [2023-11-12 02:19:27,286 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:19:27,294 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 37 [2023-11-12 02:19:27,324 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 16 [2023-11-12 02:19:27,328 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2023-11-12 02:19:27,385 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 28 [2023-11-12 02:19:27,393 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 18 [2023-11-12 02:19:27,469 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-12 02:19:27,470 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 40 [2023-11-12 02:19:27,476 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 25 [2023-11-12 02:19:27,770 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 4 proven. 14 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-12 02:19:27,770 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 02:19:27,923 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_613 (Array Int Int))) (let ((.cse0 (select (store (store |c_#memory_int| |c_ULTIMATE.start_lis_~best~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_lis_~best~0#1.base|) (+ (* 4 |c_ULTIMATE.start_lis_~i~0#1|) |c_ULTIMATE.start_lis_~best~0#1.offset|) 1)) |c_ULTIMATE.start_lis_~prev~0#1.base| v_ArrVal_613) |c_ULTIMATE.start_lis_~best~0#1.base|))) (< (select .cse0 (+ 8 |c_ULTIMATE.start_lis_~best~0#1.offset|)) (+ (select .cse0 |c_ULTIMATE.start_lis_~best~0#1.offset|) 1)))) is different from false [2023-11-12 02:19:27,935 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_613 (Array Int Int))) (let ((.cse0 (select (store (store |c_#memory_int| |c_ULTIMATE.start_lis_~best~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_lis_~best~0#1.base|) (+ (* 4 |c_ULTIMATE.start_lis_~i~0#1|) 4 |c_ULTIMATE.start_lis_~best~0#1.offset|) 1)) |c_ULTIMATE.start_lis_~prev~0#1.base| v_ArrVal_613) |c_ULTIMATE.start_lis_~best~0#1.base|))) (< (select .cse0 (+ 8 |c_ULTIMATE.start_lis_~best~0#1.offset|)) (+ (select .cse0 |c_ULTIMATE.start_lis_~best~0#1.offset|) 1)))) is different from false [2023-11-12 02:19:28,142 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-12 02:19:28,142 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 135 treesize of output 123 [2023-11-12 02:19:28,149 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 114 treesize of output 108 [2023-11-12 02:19:28,167 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-12 02:19:28,168 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 187 treesize of output 173 [2023-11-12 02:19:28,252 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 1 trivial. 5 not checked. [2023-11-12 02:19:28,252 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [742343068] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-12 02:19:28,253 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-12 02:19:28,253 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 30 [2023-11-12 02:19:28,253 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [128699902] [2023-11-12 02:19:28,254 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-12 02:19:28,483 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:19:28,484 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2023-11-12 02:19:28,484 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=106, Invalid=648, Unknown=10, NotChecked=106, Total=870 [2023-11-12 02:19:28,484 INFO L87 Difference]: Start difference. First operand 89 states and 118 transitions. cyclomatic complexity: 34 Second operand has 30 states, 30 states have (on average 2.1) internal successors, (63), 30 states have internal predecessors, (63), 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)