./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/cstrcspn-alloca-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffe3f0e-ba67-42d9-acf0-fa9b7e4e754b/bin/uautomizer-verify-uTZkv6EMXl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffe3f0e-ba67-42d9-acf0-fa9b7e4e754b/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_8ffe3f0e-ba67-42d9-acf0-fa9b7e4e754b/bin/uautomizer-verify-uTZkv6EMXl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffe3f0e-ba67-42d9-acf0-fa9b7e4e754b/bin/uautomizer-verify-uTZkv6EMXl/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/cstrcspn-alloca-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffe3f0e-ba67-42d9-acf0-fa9b7e4e754b/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_8ffe3f0e-ba67-42d9-acf0-fa9b7e4e754b/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 f64b3fe201853945f195ec183c791419b294b96abed6f2b53814faca3533a624 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 02:06:35,426 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 02:06:35,511 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffe3f0e-ba67-42d9-acf0-fa9b7e4e754b/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Termination-64bit-Automizer_Default.epf [2023-11-12 02:06:35,517 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 02:06:35,518 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 02:06:35,574 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 02:06:35,574 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 02:06:35,575 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 02:06:35,576 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 02:06:35,584 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 02:06:35,585 INFO L153 SettingsManager]: * Use SBE=true [2023-11-12 02:06:35,586 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-12 02:06:35,587 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-12 02:06:35,590 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-12 02:06:35,591 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-12 02:06:35,591 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-12 02:06:35,593 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-12 02:06:35,594 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 02:06:35,595 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-12 02:06:35,595 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 02:06:35,596 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 02:06:35,597 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-12 02:06:35,597 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-12 02:06:35,605 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-12 02:06:35,606 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-12 02:06:35,606 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 02:06:35,607 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-12 02:06:35,607 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 02:06:35,608 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 02:06:35,608 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 02:06:35,610 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 02:06:35,610 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-12 02:06:35,611 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-12 02:06:35,612 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_8ffe3f0e-ba67-42d9-acf0-fa9b7e4e754b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffe3f0e-ba67-42d9-acf0-fa9b7e4e754b/bin/uautomizer-verify-uTZkv6EMXl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f64b3fe201853945f195ec183c791419b294b96abed6f2b53814faca3533a624 [2023-11-12 02:06:35,928 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 02:06:35,961 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 02:06:35,964 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 02:06:35,965 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 02:06:35,966 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 02:06:35,967 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffe3f0e-ba67-42d9-acf0-fa9b7e4e754b/bin/uautomizer-verify-uTZkv6EMXl/../../sv-benchmarks/c/termination-memory-alloca/cstrcspn-alloca-2.i [2023-11-12 02:06:39,030 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 02:06:39,320 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 02:06:39,321 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffe3f0e-ba67-42d9-acf0-fa9b7e4e754b/sv-benchmarks/c/termination-memory-alloca/cstrcspn-alloca-2.i [2023-11-12 02:06:39,342 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffe3f0e-ba67-42d9-acf0-fa9b7e4e754b/bin/uautomizer-verify-uTZkv6EMXl/data/769cd19dc/ae92dba0c91d42cbadea7623b9079a7a/FLAG88116b3ae [2023-11-12 02:06:39,356 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffe3f0e-ba67-42d9-acf0-fa9b7e4e754b/bin/uautomizer-verify-uTZkv6EMXl/data/769cd19dc/ae92dba0c91d42cbadea7623b9079a7a [2023-11-12 02:06:39,359 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 02:06:39,360 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 02:06:39,361 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 02:06:39,362 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 02:06:39,367 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 02:06:39,368 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:06:39" (1/1) ... [2023-11-12 02:06:39,369 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7cccad9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:06:39, skipping insertion in model container [2023-11-12 02:06:39,369 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:06:39" (1/1) ... [2023-11-12 02:06:39,409 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 02:06:39,722 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:06:39,736 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 02:06:39,798 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:06:39,832 INFO L206 MainTranslator]: Completed translation [2023-11-12 02:06:39,832 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:06:39 WrapperNode [2023-11-12 02:06:39,832 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 02:06:39,834 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 02:06:39,834 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 02:06:39,834 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 02:06:39,842 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:06:39" (1/1) ... [2023-11-12 02:06:39,855 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:06:39" (1/1) ... [2023-11-12 02:06:39,877 INFO L138 Inliner]: procedures = 111, calls = 16, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 80 [2023-11-12 02:06:39,878 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 02:06:39,879 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 02:06:39,879 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 02:06:39,879 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 02:06:39,888 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:06:39" (1/1) ... [2023-11-12 02:06:39,889 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:06:39" (1/1) ... [2023-11-12 02:06:39,893 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:06:39" (1/1) ... [2023-11-12 02:06:39,893 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:06:39" (1/1) ... [2023-11-12 02:06:39,901 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:06:39" (1/1) ... [2023-11-12 02:06:39,905 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:06:39" (1/1) ... [2023-11-12 02:06:39,907 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:06:39" (1/1) ... [2023-11-12 02:06:39,908 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:06:39" (1/1) ... [2023-11-12 02:06:39,911 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 02:06:39,912 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 02:06:39,912 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 02:06:39,912 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 02:06:39,913 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:06:39" (1/1) ... [2023-11-12 02:06:39,921 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:06:39,937 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffe3f0e-ba67-42d9-acf0-fa9b7e4e754b/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:06:39,950 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffe3f0e-ba67-42d9-acf0-fa9b7e4e754b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:06:39,960 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffe3f0e-ba67-42d9-acf0-fa9b7e4e754b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-12 02:06:40,028 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-12 02:06:40,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-12 02:06:40,029 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 02:06:40,029 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 02:06:40,029 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 02:06:40,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 02:06:40,213 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 02:06:40,216 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 02:06:40,380 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 02:06:40,387 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 02:06:40,387 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-12 02:06:40,389 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:06:40 BoogieIcfgContainer [2023-11-12 02:06:40,389 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 02:06:40,391 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-11-12 02:06:40,391 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-11-12 02:06:40,396 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-11-12 02:06:40,397 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-12 02:06:40,397 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 12.11 02:06:39" (1/3) ... [2023-11-12 02:06:40,398 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@24feadc3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 12.11 02:06:40, skipping insertion in model container [2023-11-12 02:06:40,398 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-12 02:06:40,399 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:06:39" (2/3) ... [2023-11-12 02:06:40,399 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@24feadc3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 12.11 02:06:40, skipping insertion in model container [2023-11-12 02:06:40,399 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-12 02:06:40,400 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:06:40" (3/3) ... [2023-11-12 02:06:40,401 INFO L332 chiAutomizerObserver]: Analyzing ICFG cstrcspn-alloca-2.i [2023-11-12 02:06:40,460 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-11-12 02:06:40,461 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-11-12 02:06:40,461 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-11-12 02:06:40,461 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-11-12 02:06:40,461 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-11-12 02:06:40,462 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-11-12 02:06:40,462 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-11-12 02:06:40,462 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-11-12 02:06:40,467 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 18 states, 17 states have (on average 1.4705882352941178) internal successors, (25), 17 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:06:40,487 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2023-11-12 02:06:40,488 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-12 02:06:40,488 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-12 02:06:40,493 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2023-11-12 02:06:40,494 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2023-11-12 02:06:40,494 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-11-12 02:06:40,494 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 18 states, 17 states have (on average 1.4705882352941178) internal successors, (25), 17 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:06:40,496 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2023-11-12 02:06:40,497 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-12 02:06:40,497 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-12 02:06:40,497 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2023-11-12 02:06:40,498 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2023-11-12 02:06:40,506 INFO L748 eck$LassoCheckResult]: Stem: 14#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 7#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet10#1, main_#t~nondet11#1, main_#t~malloc12#1.base, main_#t~malloc12#1.offset, main_#t~malloc13#1.base, main_#t~malloc13#1.offset, main_#t~ret14#1, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc main_#t~nondet10#1;main_~length1~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;havoc main_#t~nondet11#1;main_~length2~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1; 3#L565true assume !(main_~length1~0#1 < 1); 11#L565-2true assume !(main_~length2~0#1 < 1); 17#L568-1true call main_#t~malloc12#1.base, main_#t~malloc12#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 18446744073709551616);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc12#1.base, main_#t~malloc12#1.offset;call main_#t~malloc13#1.base, main_#t~malloc13#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 18446744073709551616);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc13#1.base, main_#t~malloc13#1.offset;call write~int(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);call write~int(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1), 1);assume { :begin_inline_cstrcspn } true;cstrcspn_#in~s1#1.base, cstrcspn_#in~s1#1.offset, cstrcspn_#in~s2#1.base, cstrcspn_#in~s2#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc cstrcspn_#res#1;havoc cstrcspn_#t~mem4#1, cstrcspn_#t~post8#1.base, cstrcspn_#t~post8#1.offset, cstrcspn_#t~mem5#1, cstrcspn_#t~mem6#1, cstrcspn_#t~short7#1, cstrcspn_#t~mem9#1, cstrcspn_#t~post2#1.base, cstrcspn_#t~post2#1.offset, cstrcspn_#t~mem3#1, cstrcspn_~s1#1.base, cstrcspn_~s1#1.offset, cstrcspn_~s2#1.base, cstrcspn_~s2#1.offset, cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset, cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset, cstrcspn_~c~0#1;cstrcspn_~s1#1.base, cstrcspn_~s1#1.offset := cstrcspn_#in~s1#1.base, cstrcspn_#in~s1#1.offset;cstrcspn_~s2#1.base, cstrcspn_~s2#1.offset := cstrcspn_#in~s2#1.base, cstrcspn_#in~s2#1.offset;havoc cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset;havoc cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset;havoc cstrcspn_~c~0#1;cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset := cstrcspn_~s1#1.base, cstrcspn_~s1#1.offset; 5#L552-4true [2023-11-12 02:06:40,507 INFO L750 eck$LassoCheckResult]: Loop: 5#L552-4true call cstrcspn_#t~mem3#1 := read~int(cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset, 1); 9#L552-1true assume !!(0 != cstrcspn_#t~mem3#1);havoc cstrcspn_#t~mem3#1;cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset := cstrcspn_~s2#1.base, cstrcspn_~s2#1.offset;call cstrcspn_#t~mem4#1 := read~int(cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset, 1);cstrcspn_~c~0#1 := cstrcspn_#t~mem4#1;havoc cstrcspn_#t~mem4#1; 8#L555-5true assume !true; 12#L555-6true call cstrcspn_#t~mem9#1 := read~int(cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset, 1); 15#L557true assume !(cstrcspn_#t~mem9#1 == cstrcspn_~c~0#1);havoc cstrcspn_#t~mem9#1; 4#L552-3true cstrcspn_#t~post2#1.base, cstrcspn_#t~post2#1.offset := cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset;cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset := cstrcspn_#t~post2#1.base, 1 + cstrcspn_#t~post2#1.offset;havoc cstrcspn_#t~post2#1.base, cstrcspn_#t~post2#1.offset; 5#L552-4true [2023-11-12 02:06:40,512 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:06:40,513 INFO L85 PathProgramCache]: Analyzing trace with hash 28695878, now seen corresponding path program 1 times [2023-11-12 02:06:40,523 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:06:40,523 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [131912815] [2023-11-12 02:06:40,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:06:40,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:06:40,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:06:40,734 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:06:40,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:06:40,817 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:06:40,822 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:06:40,823 INFO L85 PathProgramCache]: Analyzing trace with hash 1454917130, now seen corresponding path program 1 times [2023-11-12 02:06:40,823 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:06:40,823 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [709042820] [2023-11-12 02:06:40,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:06:40,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:06:40,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:40,931 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 02:06:40,931 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:06:40,931 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [709042820] [2023-11-12 02:06:40,932 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [709042820] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:06:40,932 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:06:40,932 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 02:06:40,933 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1088081310] [2023-11-12 02:06:40,934 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:06:40,938 INFO L765 eck$LassoCheckResult]: loop already infeasible [2023-11-12 02:06:40,940 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:06:40,986 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-12 02:06:40,987 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-12 02:06:40,989 INFO L87 Difference]: Start difference. First operand has 18 states, 17 states have (on average 1.4705882352941178) internal successors, (25), 17 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 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 02:06:40,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:06:40,995 INFO L93 Difference]: Finished difference Result 18 states and 23 transitions. [2023-11-12 02:06:40,996 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 18 states and 23 transitions. [2023-11-12 02:06:40,998 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2023-11-12 02:06:41,001 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 18 states to 13 states and 17 transitions. [2023-11-12 02:06:41,002 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2023-11-12 02:06:41,002 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2023-11-12 02:06:41,003 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 17 transitions. [2023-11-12 02:06:41,003 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-12 02:06:41,003 INFO L218 hiAutomatonCegarLoop]: Abstraction has 13 states and 17 transitions. [2023-11-12 02:06:41,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states and 17 transitions. [2023-11-12 02:06:41,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2023-11-12 02:06:41,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 13 states have (on average 1.3076923076923077) internal successors, (17), 12 states have internal predecessors, (17), 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 02:06:41,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 17 transitions. [2023-11-12 02:06:41,032 INFO L240 hiAutomatonCegarLoop]: Abstraction has 13 states and 17 transitions. [2023-11-12 02:06:41,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-12 02:06:41,036 INFO L428 stractBuchiCegarLoop]: Abstraction has 13 states and 17 transitions. [2023-11-12 02:06:41,037 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-11-12 02:06:41,037 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states and 17 transitions. [2023-11-12 02:06:41,038 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2023-11-12 02:06:41,038 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-12 02:06:41,038 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-12 02:06:41,039 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2023-11-12 02:06:41,039 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:06:41,040 INFO L748 eck$LassoCheckResult]: Stem: 56#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 53#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet10#1, main_#t~nondet11#1, main_#t~malloc12#1.base, main_#t~malloc12#1.offset, main_#t~malloc13#1.base, main_#t~malloc13#1.offset, main_#t~ret14#1, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc main_#t~nondet10#1;main_~length1~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;havoc main_#t~nondet11#1;main_~length2~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1; 44#L565 assume !(main_~length1~0#1 < 1); 45#L565-2 assume !(main_~length2~0#1 < 1); 55#L568-1 call main_#t~malloc12#1.base, main_#t~malloc12#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 18446744073709551616);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc12#1.base, main_#t~malloc12#1.offset;call main_#t~malloc13#1.base, main_#t~malloc13#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 18446744073709551616);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc13#1.base, main_#t~malloc13#1.offset;call write~int(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);call write~int(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1), 1);assume { :begin_inline_cstrcspn } true;cstrcspn_#in~s1#1.base, cstrcspn_#in~s1#1.offset, cstrcspn_#in~s2#1.base, cstrcspn_#in~s2#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc cstrcspn_#res#1;havoc cstrcspn_#t~mem4#1, cstrcspn_#t~post8#1.base, cstrcspn_#t~post8#1.offset, cstrcspn_#t~mem5#1, cstrcspn_#t~mem6#1, cstrcspn_#t~short7#1, cstrcspn_#t~mem9#1, cstrcspn_#t~post2#1.base, cstrcspn_#t~post2#1.offset, cstrcspn_#t~mem3#1, cstrcspn_~s1#1.base, cstrcspn_~s1#1.offset, cstrcspn_~s2#1.base, cstrcspn_~s2#1.offset, cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset, cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset, cstrcspn_~c~0#1;cstrcspn_~s1#1.base, cstrcspn_~s1#1.offset := cstrcspn_#in~s1#1.base, cstrcspn_#in~s1#1.offset;cstrcspn_~s2#1.base, cstrcspn_~s2#1.offset := cstrcspn_#in~s2#1.base, cstrcspn_#in~s2#1.offset;havoc cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset;havoc cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset;havoc cstrcspn_~c~0#1;cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset := cstrcspn_~s1#1.base, cstrcspn_~s1#1.offset; 47#L552-4 [2023-11-12 02:06:41,040 INFO L750 eck$LassoCheckResult]: Loop: 47#L552-4 call cstrcspn_#t~mem3#1 := read~int(cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset, 1); 51#L552-1 assume !!(0 != cstrcspn_#t~mem3#1);havoc cstrcspn_#t~mem3#1;cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset := cstrcspn_~s2#1.base, cstrcspn_~s2#1.offset;call cstrcspn_#t~mem4#1 := read~int(cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset, 1);cstrcspn_~c~0#1 := cstrcspn_#t~mem4#1;havoc cstrcspn_#t~mem4#1; 50#L555-5 call cstrcspn_#t~mem5#1 := read~int(cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset, 1);cstrcspn_#t~short7#1 := 0 != cstrcspn_#t~mem5#1; 52#L555-1 assume cstrcspn_#t~short7#1;call cstrcspn_#t~mem6#1 := read~int(cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset, 1);cstrcspn_#t~short7#1 := cstrcspn_#t~mem6#1 != (if cstrcspn_~c~0#1 % 256 <= 127 then cstrcspn_~c~0#1 % 256 else cstrcspn_~c~0#1 % 256 - 256); 48#L555-3 assume !cstrcspn_#t~short7#1;havoc cstrcspn_#t~mem5#1;havoc cstrcspn_#t~mem6#1;havoc cstrcspn_#t~short7#1; 49#L555-6 call cstrcspn_#t~mem9#1 := read~int(cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset, 1); 54#L557 assume !(cstrcspn_#t~mem9#1 == cstrcspn_~c~0#1);havoc cstrcspn_#t~mem9#1; 46#L552-3 cstrcspn_#t~post2#1.base, cstrcspn_#t~post2#1.offset := cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset;cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset := cstrcspn_#t~post2#1.base, 1 + cstrcspn_#t~post2#1.offset;havoc cstrcspn_#t~post2#1.base, cstrcspn_#t~post2#1.offset; 47#L552-4 [2023-11-12 02:06:41,041 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:06:41,041 INFO L85 PathProgramCache]: Analyzing trace with hash 28695878, now seen corresponding path program 2 times [2023-11-12 02:06:41,041 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:06:41,042 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1514712059] [2023-11-12 02:06:41,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:06:41,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:06:41,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:06:41,080 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:06:41,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:06:41,103 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:06:41,104 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:06:41,105 INFO L85 PathProgramCache]: Analyzing trace with hash 1927396657, now seen corresponding path program 1 times [2023-11-12 02:06:41,105 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:06:41,105 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1989618960] [2023-11-12 02:06:41,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:06:41,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:06:41,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:06:41,123 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:06:41,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:06:41,137 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:06:41,138 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:06:41,138 INFO L85 PathProgramCache]: Analyzing trace with hash -102988426, now seen corresponding path program 1 times [2023-11-12 02:06:41,138 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:06:41,139 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2083718029] [2023-11-12 02:06:41,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:06:41,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:06:41,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:06:41,185 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:06:41,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:06:41,229 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:06:42,573 INFO L210 LassoAnalysis]: Preferences: [2023-11-12 02:06:42,575 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-12 02:06:42,575 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-12 02:06:42,576 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-12 02:06:42,576 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-12 02:06:42,576 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:06:42,576 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-12 02:06:42,577 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-12 02:06:42,577 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrcspn-alloca-2.i_Iteration2_Lasso [2023-11-12 02:06:42,577 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-12 02:06:42,578 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-12 02:06:42,614 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 02:06:42,625 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 02:06:42,628 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 02:06:42,631 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 02:06:42,636 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 02:06:42,639 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 02:06:42,643 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 02:06:42,647 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 02:06:42,652 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 02:06:42,656 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 02:06:42,661 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 02:06:42,664 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 02:06:42,668 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 02:06:42,672 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 02:06:42,675 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:06:42,680 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:06:42,688 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 02:06:43,577 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 02:06:43,580 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 02:06:43,584 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 02:06:43,588 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 02:06:43,595 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 02:06:43,600 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 02:06:43,608 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 02:06:43,611 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 02:06:43,616 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 02:06:44,624 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-12 02:06:44,629 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-12 02:06:44,633 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:06:44,633 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffe3f0e-ba67-42d9-acf0-fa9b7e4e754b/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:06:44,645 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffe3f0e-ba67-42d9-acf0-fa9b7e4e754b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:06:44,654 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 02:06:44,667 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffe3f0e-ba67-42d9-acf0-fa9b7e4e754b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2023-11-12 02:06:44,668 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:06:44,669 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-12 02:06:44,669 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:06:44,669 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:06:44,669 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:06:44,671 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-12 02:06:44,672 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-12 02:06:44,681 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:06:44,691 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffe3f0e-ba67-42d9-acf0-fa9b7e4e754b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2023-11-12 02:06:44,692 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:06:44,692 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffe3f0e-ba67-42d9-acf0-fa9b7e4e754b/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:06:44,694 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffe3f0e-ba67-42d9-acf0-fa9b7e4e754b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:06:44,707 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 02:06:44,720 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:06:44,720 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-12 02:06:44,721 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:06:44,721 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:06:44,721 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:06:44,723 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-12 02:06:44,723 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-12 02:06:44,726 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffe3f0e-ba67-42d9-acf0-fa9b7e4e754b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2023-11-12 02:06:44,741 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:06:44,750 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffe3f0e-ba67-42d9-acf0-fa9b7e4e754b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2023-11-12 02:06:44,751 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:06:44,751 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffe3f0e-ba67-42d9-acf0-fa9b7e4e754b/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:06:44,752 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffe3f0e-ba67-42d9-acf0-fa9b7e4e754b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:06:44,761 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 02:06:44,762 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffe3f0e-ba67-42d9-acf0-fa9b7e4e754b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2023-11-12 02:06:44,774 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:06:44,774 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-12 02:06:44,774 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:06:44,774 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:06:44,774 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:06:44,775 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-12 02:06:44,775 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-12 02:06:44,784 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:06:44,788 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffe3f0e-ba67-42d9-acf0-fa9b7e4e754b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2023-11-12 02:06:44,789 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:06:44,789 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffe3f0e-ba67-42d9-acf0-fa9b7e4e754b/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:06:44,790 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffe3f0e-ba67-42d9-acf0-fa9b7e4e754b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:06:44,795 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffe3f0e-ba67-42d9-acf0-fa9b7e4e754b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2023-11-12 02:06:44,796 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 02:06:44,810 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:06:44,810 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:06:44,810 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:06:44,810 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:06:44,815 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-12 02:06:44,815 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-12 02:06:44,829 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:06:44,833 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffe3f0e-ba67-42d9-acf0-fa9b7e4e754b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2023-11-12 02:06:44,834 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:06:44,834 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffe3f0e-ba67-42d9-acf0-fa9b7e4e754b/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:06:44,835 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffe3f0e-ba67-42d9-acf0-fa9b7e4e754b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:06:44,841 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffe3f0e-ba67-42d9-acf0-fa9b7e4e754b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2023-11-12 02:06:44,843 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 02:06:44,855 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:06:44,855 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-12 02:06:44,855 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:06:44,855 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:06:44,855 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:06:44,856 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-12 02:06:44,856 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-12 02:06:44,861 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:06:44,866 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffe3f0e-ba67-42d9-acf0-fa9b7e4e754b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2023-11-12 02:06:44,866 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:06:44,866 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffe3f0e-ba67-42d9-acf0-fa9b7e4e754b/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:06:44,867 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffe3f0e-ba67-42d9-acf0-fa9b7e4e754b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:06:44,874 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffe3f0e-ba67-42d9-acf0-fa9b7e4e754b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2023-11-12 02:06:44,875 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 02:06:44,888 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:06:44,888 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:06:44,888 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:06:44,888 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:06:44,897 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-12 02:06:44,898 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-12 02:06:44,917 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:06:44,927 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffe3f0e-ba67-42d9-acf0-fa9b7e4e754b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2023-11-12 02:06:44,927 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:06:44,927 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffe3f0e-ba67-42d9-acf0-fa9b7e4e754b/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:06:44,928 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffe3f0e-ba67-42d9-acf0-fa9b7e4e754b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:06:44,933 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffe3f0e-ba67-42d9-acf0-fa9b7e4e754b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2023-11-12 02:06:44,934 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-12 02:06:44,947 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:06:44,947 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:06:44,948 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:06:44,948 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:06:44,950 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-12 02:06:44,950 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-12 02:06:44,961 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:06:44,971 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffe3f0e-ba67-42d9-acf0-fa9b7e4e754b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2023-11-12 02:06:44,971 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:06:44,971 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffe3f0e-ba67-42d9-acf0-fa9b7e4e754b/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:06:44,973 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffe3f0e-ba67-42d9-acf0-fa9b7e4e754b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:06:44,983 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 02:06:44,995 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffe3f0e-ba67-42d9-acf0-fa9b7e4e754b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2023-11-12 02:06:44,995 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:06:44,996 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:06:44,996 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:06:44,996 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:06:44,999 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-12 02:06:44,999 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-12 02:06:45,009 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:06:45,013 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffe3f0e-ba67-42d9-acf0-fa9b7e4e754b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2023-11-12 02:06:45,014 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:06:45,014 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffe3f0e-ba67-42d9-acf0-fa9b7e4e754b/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:06:45,015 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffe3f0e-ba67-42d9-acf0-fa9b7e4e754b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:06:45,016 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffe3f0e-ba67-42d9-acf0-fa9b7e4e754b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2023-11-12 02:06:45,018 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 02:06:45,028 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:06:45,028 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-12 02:06:45,028 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:06:45,029 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:06:45,029 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:06:45,033 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-12 02:06:45,033 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-12 02:06:45,034 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:06:45,037 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffe3f0e-ba67-42d9-acf0-fa9b7e4e754b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2023-11-12 02:06:45,038 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:06:45,038 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffe3f0e-ba67-42d9-acf0-fa9b7e4e754b/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:06:45,039 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffe3f0e-ba67-42d9-acf0-fa9b7e4e754b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:06:45,049 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffe3f0e-ba67-42d9-acf0-fa9b7e4e754b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2023-11-12 02:06:45,050 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 02:06:45,060 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:06:45,060 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:06:45,060 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:06:45,060 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:06:45,062 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-12 02:06:45,062 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-12 02:06:45,066 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:06:45,069 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffe3f0e-ba67-42d9-acf0-fa9b7e4e754b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2023-11-12 02:06:45,070 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:06:45,070 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffe3f0e-ba67-42d9-acf0-fa9b7e4e754b/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:06:45,071 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffe3f0e-ba67-42d9-acf0-fa9b7e4e754b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:06:45,073 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffe3f0e-ba67-42d9-acf0-fa9b7e4e754b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2023-11-12 02:06:45,074 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 02:06:45,084 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:06:45,085 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-12 02:06:45,085 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:06:45,085 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:06:45,085 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:06:45,086 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-12 02:06:45,086 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-12 02:06:45,087 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:06:45,092 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffe3f0e-ba67-42d9-acf0-fa9b7e4e754b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2023-11-12 02:06:45,092 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:06:45,092 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffe3f0e-ba67-42d9-acf0-fa9b7e4e754b/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:06:45,093 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffe3f0e-ba67-42d9-acf0-fa9b7e4e754b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:06:45,096 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffe3f0e-ba67-42d9-acf0-fa9b7e4e754b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2023-11-12 02:06:45,097 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 02:06:45,106 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:06:45,107 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-12 02:06:45,107 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:06:45,107 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:06:45,107 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:06:45,107 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-12 02:06:45,107 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-12 02:06:45,133 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:06:45,137 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffe3f0e-ba67-42d9-acf0-fa9b7e4e754b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2023-11-12 02:06:45,137 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:06:45,137 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffe3f0e-ba67-42d9-acf0-fa9b7e4e754b/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:06:45,138 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffe3f0e-ba67-42d9-acf0-fa9b7e4e754b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:06:45,150 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffe3f0e-ba67-42d9-acf0-fa9b7e4e754b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2023-11-12 02:06:45,150 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 02:06:45,162 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:06:45,163 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:06:45,163 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:06:45,163 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:06:45,165 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-12 02:06:45,165 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-12 02:06:45,181 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:06:45,189 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffe3f0e-ba67-42d9-acf0-fa9b7e4e754b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2023-11-12 02:06:45,190 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:06:45,190 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffe3f0e-ba67-42d9-acf0-fa9b7e4e754b/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:06:45,191 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffe3f0e-ba67-42d9-acf0-fa9b7e4e754b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:06:45,226 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 02:06:45,238 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:06:45,239 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-12 02:06:45,239 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:06:45,239 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:06:45,239 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:06:45,240 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-12 02:06:45,240 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-12 02:06:45,242 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffe3f0e-ba67-42d9-acf0-fa9b7e4e754b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2023-11-12 02:06:45,257 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:06:45,265 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffe3f0e-ba67-42d9-acf0-fa9b7e4e754b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2023-11-12 02:06:45,266 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:06:45,266 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffe3f0e-ba67-42d9-acf0-fa9b7e4e754b/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:06:45,267 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffe3f0e-ba67-42d9-acf0-fa9b7e4e754b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:06:45,271 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 02:06:45,284 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:06:45,284 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:06:45,284 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:06:45,284 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:06:45,286 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-12 02:06:45,286 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-12 02:06:45,287 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffe3f0e-ba67-42d9-acf0-fa9b7e4e754b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2023-11-12 02:06:45,297 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:06:45,305 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffe3f0e-ba67-42d9-acf0-fa9b7e4e754b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2023-11-12 02:06:45,306 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:06:45,306 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffe3f0e-ba67-42d9-acf0-fa9b7e4e754b/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:06:45,307 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffe3f0e-ba67-42d9-acf0-fa9b7e4e754b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:06:45,315 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 02:06:45,321 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffe3f0e-ba67-42d9-acf0-fa9b7e4e754b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2023-11-12 02:06:45,331 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:06:45,331 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:06:45,331 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:06:45,331 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:06:45,335 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-12 02:06:45,335 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-12 02:06:45,350 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:06:45,354 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffe3f0e-ba67-42d9-acf0-fa9b7e4e754b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2023-11-12 02:06:45,354 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:06:45,355 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffe3f0e-ba67-42d9-acf0-fa9b7e4e754b/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:06:45,356 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffe3f0e-ba67-42d9-acf0-fa9b7e4e754b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:06:45,364 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 02:06:45,376 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:06:45,376 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:06:45,376 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:06:45,377 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:06:45,379 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffe3f0e-ba67-42d9-acf0-fa9b7e4e754b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2023-11-12 02:06:45,381 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-12 02:06:45,381 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-12 02:06:45,397 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:06:45,405 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffe3f0e-ba67-42d9-acf0-fa9b7e4e754b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2023-11-12 02:06:45,406 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:06:45,406 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffe3f0e-ba67-42d9-acf0-fa9b7e4e754b/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:06:45,407 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffe3f0e-ba67-42d9-acf0-fa9b7e4e754b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:06:45,416 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 02:06:45,417 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffe3f0e-ba67-42d9-acf0-fa9b7e4e754b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2023-11-12 02:06:45,429 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:06:45,430 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:06:45,430 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:06:45,430 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:06:45,442 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-12 02:06:45,442 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-12 02:06:45,467 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:06:45,471 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffe3f0e-ba67-42d9-acf0-fa9b7e4e754b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2023-11-12 02:06:45,472 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:06:45,472 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffe3f0e-ba67-42d9-acf0-fa9b7e4e754b/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:06:45,474 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffe3f0e-ba67-42d9-acf0-fa9b7e4e754b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:06:45,482 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffe3f0e-ba67-42d9-acf0-fa9b7e4e754b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2023-11-12 02:06:45,483 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 02:06:45,495 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:06:45,496 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:06:45,496 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:06:45,496 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:06:45,498 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-12 02:06:45,498 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-12 02:06:45,521 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:06:45,530 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffe3f0e-ba67-42d9-acf0-fa9b7e4e754b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2023-11-12 02:06:45,530 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:06:45,530 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffe3f0e-ba67-42d9-acf0-fa9b7e4e754b/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:06:45,531 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffe3f0e-ba67-42d9-acf0-fa9b7e4e754b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:06:45,545 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 02:06:45,557 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffe3f0e-ba67-42d9-acf0-fa9b7e4e754b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2023-11-12 02:06:45,557 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:06:45,558 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:06:45,558 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:06:45,558 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:06:45,561 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-12 02:06:45,562 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-12 02:06:45,574 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:06:45,583 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffe3f0e-ba67-42d9-acf0-fa9b7e4e754b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2023-11-12 02:06:45,584 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:06:45,584 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffe3f0e-ba67-42d9-acf0-fa9b7e4e754b/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:06:45,585 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffe3f0e-ba67-42d9-acf0-fa9b7e4e754b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:06:45,589 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 02:06:45,602 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:06:45,602 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-12 02:06:45,602 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:06:45,602 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:06:45,602 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:06:45,603 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-12 02:06:45,603 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-12 02:06:45,604 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffe3f0e-ba67-42d9-acf0-fa9b7e4e754b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2023-11-12 02:06:45,617 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:06:45,625 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffe3f0e-ba67-42d9-acf0-fa9b7e4e754b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2023-11-12 02:06:45,626 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:06:45,626 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffe3f0e-ba67-42d9-acf0-fa9b7e4e754b/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:06:45,627 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffe3f0e-ba67-42d9-acf0-fa9b7e4e754b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:06:45,631 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 02:06:45,643 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:06:45,643 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:06:45,644 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:06:45,644 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:06:45,645 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffe3f0e-ba67-42d9-acf0-fa9b7e4e754b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2023-11-12 02:06:45,646 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-12 02:06:45,646 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-12 02:06:45,669 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:06:45,677 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffe3f0e-ba67-42d9-acf0-fa9b7e4e754b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2023-11-12 02:06:45,678 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:06:45,678 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffe3f0e-ba67-42d9-acf0-fa9b7e4e754b/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:06:45,679 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffe3f0e-ba67-42d9-acf0-fa9b7e4e754b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:06:45,698 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffe3f0e-ba67-42d9-acf0-fa9b7e4e754b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2023-11-12 02:06:45,699 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 02:06:45,712 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:06:45,712 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-12 02:06:45,712 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:06:45,713 INFO L204 nArgumentSynthesizer]: 4 loop disjuncts [2023-11-12 02:06:45,713 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:06:45,725 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2023-11-12 02:06:45,725 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-12 02:06:45,745 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:06:45,748 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffe3f0e-ba67-42d9-acf0-fa9b7e4e754b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2023-11-12 02:06:45,748 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:06:45,748 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffe3f0e-ba67-42d9-acf0-fa9b7e4e754b/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:06:45,749 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffe3f0e-ba67-42d9-acf0-fa9b7e4e754b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:06:45,750 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffe3f0e-ba67-42d9-acf0-fa9b7e4e754b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2023-11-12 02:06:45,751 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 02:06:45,762 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:06:45,762 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:06:45,762 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:06:45,762 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:06:45,764 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-12 02:06:45,764 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-12 02:06:45,775 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:06:45,781 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffe3f0e-ba67-42d9-acf0-fa9b7e4e754b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2023-11-12 02:06:45,782 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:06:45,782 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffe3f0e-ba67-42d9-acf0-fa9b7e4e754b/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:06:45,783 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffe3f0e-ba67-42d9-acf0-fa9b7e4e754b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:06:45,790 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffe3f0e-ba67-42d9-acf0-fa9b7e4e754b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2023-11-12 02:06:45,798 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 02:06:45,814 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:06:45,814 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:06:45,814 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:06:45,814 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:06:45,820 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-12 02:06:45,820 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-12 02:06:45,829 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:06:45,837 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffe3f0e-ba67-42d9-acf0-fa9b7e4e754b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2023-11-12 02:06:45,837 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:06:45,837 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffe3f0e-ba67-42d9-acf0-fa9b7e4e754b/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:06:45,838 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffe3f0e-ba67-42d9-acf0-fa9b7e4e754b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:06:45,846 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 02:06:45,859 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:06:45,859 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:06:45,859 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:06:45,859 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:06:45,861 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffe3f0e-ba67-42d9-acf0-fa9b7e4e754b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2023-11-12 02:06:45,867 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-12 02:06:45,867 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-12 02:06:45,889 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-12 02:06:45,969 INFO L443 ModelExtractionUtils]: Simplification made 16 calls to the SMT solver. [2023-11-12 02:06:45,970 INFO L444 ModelExtractionUtils]: 2 out of 19 variables were initially zero. Simplification set additionally 14 variables to zero. [2023-11-12 02:06:45,971 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:06:45,972 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffe3f0e-ba67-42d9-acf0-fa9b7e4e754b/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:06:46,008 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffe3f0e-ba67-42d9-acf0-fa9b7e4e754b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:06:46,010 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-12 02:06:46,022 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffe3f0e-ba67-42d9-acf0-fa9b7e4e754b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2023-11-12 02:06:46,043 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-11-12 02:06:46,043 INFO L513 LassoAnalysis]: Proved termination. [2023-11-12 02:06:46,043 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_~nondetString1~0#1.base)_1, ULTIMATE.start_cstrcspn_~sc1~0#1.offset) = 1*v_rep(select #length ULTIMATE.start_main_~nondetString1~0#1.base)_1 - 1*ULTIMATE.start_cstrcspn_~sc1~0#1.offset Supporting invariants [] [2023-11-12 02:06:46,052 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffe3f0e-ba67-42d9-acf0-fa9b7e4e754b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2023-11-12 02:06:46,112 INFO L156 tatePredicateManager]: 11 out of 13 supporting invariants were superfluous and have been removed [2023-11-12 02:06:46,124 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[~nondetString1~0!base] could not be translated [2023-11-12 02:06:46,157 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:06:46,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:46,206 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-12 02:06:46,208 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:06:46,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:46,240 INFO L262 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-12 02:06:46,242 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:06:46,359 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 02:06:46,363 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 02:06:46,365 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 13 states and 17 transitions. cyclomatic complexity: 5 Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 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 02:06:46,454 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 13 states and 17 transitions. cyclomatic complexity: 5. Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 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 21 states and 28 transitions. Complement of second has 4 states. [2023-11-12 02:06:46,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2023-11-12 02:06:46,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 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 02:06:46,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 17 transitions. [2023-11-12 02:06:46,458 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 17 transitions. Stem has 5 letters. Loop has 8 letters. [2023-11-12 02:06:46,459 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-12 02:06:46,459 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 17 transitions. Stem has 13 letters. Loop has 8 letters. [2023-11-12 02:06:46,460 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-12 02:06:46,460 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 17 transitions. Stem has 5 letters. Loop has 16 letters. [2023-11-12 02:06:46,460 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-12 02:06:46,461 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 21 states and 28 transitions. [2023-11-12 02:06:46,464 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2023-11-12 02:06:46,465 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 21 states to 18 states and 25 transitions. [2023-11-12 02:06:46,466 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2023-11-12 02:06:46,467 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2023-11-12 02:06:46,467 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 25 transitions. [2023-11-12 02:06:46,467 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-12 02:06:46,467 INFO L218 hiAutomatonCegarLoop]: Abstraction has 18 states and 25 transitions. [2023-11-12 02:06:46,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states and 25 transitions. [2023-11-12 02:06:46,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2023-11-12 02:06:46,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 18 states have (on average 1.3888888888888888) internal successors, (25), 17 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:06:46,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 25 transitions. [2023-11-12 02:06:46,471 INFO L240 hiAutomatonCegarLoop]: Abstraction has 18 states and 25 transitions. [2023-11-12 02:06:46,471 INFO L428 stractBuchiCegarLoop]: Abstraction has 18 states and 25 transitions. [2023-11-12 02:06:46,472 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2023-11-12 02:06:46,472 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states and 25 transitions. [2023-11-12 02:06:46,474 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2023-11-12 02:06:46,475 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-12 02:06:46,475 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-12 02:06:46,475 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:06:46,476 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-12 02:06:46,476 INFO L748 eck$LassoCheckResult]: Stem: 210#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 205#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet10#1, main_#t~nondet11#1, main_#t~malloc12#1.base, main_#t~malloc12#1.offset, main_#t~malloc13#1.base, main_#t~malloc13#1.offset, main_#t~ret14#1, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc main_#t~nondet10#1;main_~length1~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;havoc main_#t~nondet11#1;main_~length2~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1; 193#L565 assume !(main_~length1~0#1 < 1); 194#L565-2 assume !(main_~length2~0#1 < 1); 208#L568-1 call main_#t~malloc12#1.base, main_#t~malloc12#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 18446744073709551616);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc12#1.base, main_#t~malloc12#1.offset;call main_#t~malloc13#1.base, main_#t~malloc13#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 18446744073709551616);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc13#1.base, main_#t~malloc13#1.offset;call write~int(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);call write~int(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1), 1);assume { :begin_inline_cstrcspn } true;cstrcspn_#in~s1#1.base, cstrcspn_#in~s1#1.offset, cstrcspn_#in~s2#1.base, cstrcspn_#in~s2#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc cstrcspn_#res#1;havoc cstrcspn_#t~mem4#1, cstrcspn_#t~post8#1.base, cstrcspn_#t~post8#1.offset, cstrcspn_#t~mem5#1, cstrcspn_#t~mem6#1, cstrcspn_#t~short7#1, cstrcspn_#t~mem9#1, cstrcspn_#t~post2#1.base, cstrcspn_#t~post2#1.offset, cstrcspn_#t~mem3#1, cstrcspn_~s1#1.base, cstrcspn_~s1#1.offset, cstrcspn_~s2#1.base, cstrcspn_~s2#1.offset, cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset, cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset, cstrcspn_~c~0#1;cstrcspn_~s1#1.base, cstrcspn_~s1#1.offset := cstrcspn_#in~s1#1.base, cstrcspn_#in~s1#1.offset;cstrcspn_~s2#1.base, cstrcspn_~s2#1.offset := cstrcspn_#in~s2#1.base, cstrcspn_#in~s2#1.offset;havoc cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset;havoc cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset;havoc cstrcspn_~c~0#1;cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset := cstrcspn_~s1#1.base, cstrcspn_~s1#1.offset; 197#L552-4 call cstrcspn_#t~mem3#1 := read~int(cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset, 1); 199#L552-1 assume !!(0 != cstrcspn_#t~mem3#1);havoc cstrcspn_#t~mem3#1;cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset := cstrcspn_~s2#1.base, cstrcspn_~s2#1.offset;call cstrcspn_#t~mem4#1 := read~int(cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset, 1);cstrcspn_~c~0#1 := cstrcspn_#t~mem4#1;havoc cstrcspn_#t~mem4#1; 201#L555-5 [2023-11-12 02:06:46,476 INFO L750 eck$LassoCheckResult]: Loop: 201#L555-5 call cstrcspn_#t~mem5#1 := read~int(cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset, 1);cstrcspn_#t~short7#1 := 0 != cstrcspn_#t~mem5#1; 206#L555-1 assume cstrcspn_#t~short7#1;call cstrcspn_#t~mem6#1 := read~int(cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset, 1);cstrcspn_#t~short7#1 := cstrcspn_#t~mem6#1 != (if cstrcspn_~c~0#1 % 256 <= 127 then cstrcspn_~c~0#1 % 256 else cstrcspn_~c~0#1 % 256 - 256); 200#L555-3 assume !!cstrcspn_#t~short7#1;havoc cstrcspn_#t~mem5#1;havoc cstrcspn_#t~mem6#1;havoc cstrcspn_#t~short7#1;cstrcspn_#t~post8#1.base, cstrcspn_#t~post8#1.offset := cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset;cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset := cstrcspn_#t~post8#1.base, 1 + cstrcspn_#t~post8#1.offset;havoc cstrcspn_#t~post8#1.base, cstrcspn_#t~post8#1.offset; 201#L555-5 [2023-11-12 02:06:46,476 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:06:46,477 INFO L85 PathProgramCache]: Analyzing trace with hash 1806935595, now seen corresponding path program 1 times [2023-11-12 02:06:46,477 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:06:46,480 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1889612420] [2023-11-12 02:06:46,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:06:46,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:06:46,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:06:46,524 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:06:46,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:06:46,573 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:06:46,574 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:06:46,574 INFO L85 PathProgramCache]: Analyzing trace with hash 58692, now seen corresponding path program 1 times [2023-11-12 02:06:46,583 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:06:46,583 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1896418573] [2023-11-12 02:06:46,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:06:46,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:06:46,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:06:46,590 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:06:46,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:06:46,601 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:06:46,602 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:06:46,605 INFO L85 PathProgramCache]: Analyzing trace with hash 1593218778, now seen corresponding path program 1 times [2023-11-12 02:06:46,606 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:06:46,606 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [822320893] [2023-11-12 02:06:46,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:06:46,606 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:06:46,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:06:46,630 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:06:46,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:06:46,656 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:06:47,213 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffe3f0e-ba67-42d9-acf0-fa9b7e4e754b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2023-11-12 02:06:47,743 INFO L210 LassoAnalysis]: Preferences: [2023-11-12 02:06:47,743 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-12 02:06:47,743 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-12 02:06:47,743 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-12 02:06:47,743 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-12 02:06:47,743 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:06:47,743 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-12 02:06:47,743 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-12 02:06:47,744 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrcspn-alloca-2.i_Iteration3_Lasso [2023-11-12 02:06:47,744 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-12 02:06:47,744 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-12 02:06:47,750 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 02:06:47,752 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 02:06:47,756 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 02:06:47,759 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 02:06:47,761 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 02:06:47,765 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 02:06:47,767 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 02:06:47,770 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 02:06:47,774 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 02:06:48,607 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 02:06:48,610 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 02:06:48,613 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 02:06:48,616 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 02:06:48,619 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 02:06:48,621 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 02:06:48,624 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 02:06:48,627 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 02:06:48,631 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 02:06:48,634 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 02:06:48,636 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 02:06:48,639 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 02:06:48,641 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 02:06:48,644 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 02:06:49,552 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-12 02:06:49,558 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-12 02:06:49,558 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:06:49,559 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffe3f0e-ba67-42d9-acf0-fa9b7e4e754b/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:06:49,562 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffe3f0e-ba67-42d9-acf0-fa9b7e4e754b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:06:49,570 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 02:06:49,583 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffe3f0e-ba67-42d9-acf0-fa9b7e4e754b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2023-11-12 02:06:49,584 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:06:49,584 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-12 02:06:49,584 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:06:49,584 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:06:49,584 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:06:49,585 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-12 02:06:49,585 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-12 02:06:49,601 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:06:49,605 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffe3f0e-ba67-42d9-acf0-fa9b7e4e754b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2023-11-12 02:06:49,605 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:06:49,605 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffe3f0e-ba67-42d9-acf0-fa9b7e4e754b/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:06:49,606 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffe3f0e-ba67-42d9-acf0-fa9b7e4e754b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:06:49,626 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-12 02:06:49,639 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffe3f0e-ba67-42d9-acf0-fa9b7e4e754b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2023-11-12 02:06:49,640 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:06:49,640 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:06:49,640 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:06:49,640 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:06:49,643 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-12 02:06:49,643 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-12 02:06:49,661 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:06:49,669 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffe3f0e-ba67-42d9-acf0-fa9b7e4e754b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2023-11-12 02:06:49,670 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:06:49,670 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffe3f0e-ba67-42d9-acf0-fa9b7e4e754b/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:06:49,671 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffe3f0e-ba67-42d9-acf0-fa9b7e4e754b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:06:49,702 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 02:06:49,703 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffe3f0e-ba67-42d9-acf0-fa9b7e4e754b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2023-11-12 02:06:49,715 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:06:49,716 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:06:49,716 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:06:49,716 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:06:49,719 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-12 02:06:49,719 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-12 02:06:49,730 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:06:49,738 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffe3f0e-ba67-42d9-acf0-fa9b7e4e754b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2023-11-12 02:06:49,738 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:06:49,738 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffe3f0e-ba67-42d9-acf0-fa9b7e4e754b/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:06:49,739 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffe3f0e-ba67-42d9-acf0-fa9b7e4e754b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:06:49,757 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffe3f0e-ba67-42d9-acf0-fa9b7e4e754b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2023-11-12 02:06:49,759 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 02:06:49,772 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:06:49,772 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-12 02:06:49,772 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:06:49,772 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:06:49,772 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:06:49,773 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-12 02:06:49,773 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-12 02:06:49,788 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:06:49,796 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffe3f0e-ba67-42d9-acf0-fa9b7e4e754b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2023-11-12 02:06:49,796 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:06:49,796 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffe3f0e-ba67-42d9-acf0-fa9b7e4e754b/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:06:49,797 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffe3f0e-ba67-42d9-acf0-fa9b7e4e754b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:06:49,814 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 02:06:49,828 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffe3f0e-ba67-42d9-acf0-fa9b7e4e754b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2023-11-12 02:06:49,829 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:06:49,829 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:06:49,829 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:06:49,829 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:06:49,832 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-12 02:06:49,832 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-12 02:06:49,843 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:06:49,851 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffe3f0e-ba67-42d9-acf0-fa9b7e4e754b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2023-11-12 02:06:49,852 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:06:49,852 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffe3f0e-ba67-42d9-acf0-fa9b7e4e754b/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:06:49,853 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffe3f0e-ba67-42d9-acf0-fa9b7e4e754b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:06:49,857 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 02:06:49,869 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffe3f0e-ba67-42d9-acf0-fa9b7e4e754b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2023-11-12 02:06:49,870 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:06:49,870 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-12 02:06:49,870 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:06:49,870 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:06:49,870 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:06:49,871 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-12 02:06:49,871 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-12 02:06:49,880 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:06:49,888 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffe3f0e-ba67-42d9-acf0-fa9b7e4e754b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2023-11-12 02:06:49,888 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:06:49,888 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffe3f0e-ba67-42d9-acf0-fa9b7e4e754b/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:06:49,889 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffe3f0e-ba67-42d9-acf0-fa9b7e4e754b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:06:49,895 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 02:06:49,907 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:06:49,907 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-12 02:06:49,908 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:06:49,908 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:06:49,908 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:06:49,909 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-12 02:06:49,909 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-12 02:06:49,910 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffe3f0e-ba67-42d9-acf0-fa9b7e4e754b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2023-11-12 02:06:49,918 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:06:49,925 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffe3f0e-ba67-42d9-acf0-fa9b7e4e754b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2023-11-12 02:06:49,926 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:06:49,926 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffe3f0e-ba67-42d9-acf0-fa9b7e4e754b/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:06:49,927 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffe3f0e-ba67-42d9-acf0-fa9b7e4e754b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:06:49,935 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 02:06:49,952 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffe3f0e-ba67-42d9-acf0-fa9b7e4e754b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2023-11-12 02:06:49,952 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:06:49,952 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:06:49,952 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:06:49,952 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:06:49,960 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-12 02:06:49,960 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-12 02:06:49,971 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:06:49,979 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffe3f0e-ba67-42d9-acf0-fa9b7e4e754b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2023-11-12 02:06:49,983 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:06:49,984 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffe3f0e-ba67-42d9-acf0-fa9b7e4e754b/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:06:49,985 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffe3f0e-ba67-42d9-acf0-fa9b7e4e754b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:06:50,014 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 02:06:50,027 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffe3f0e-ba67-42d9-acf0-fa9b7e4e754b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2023-11-12 02:06:50,028 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:06:50,028 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:06:50,028 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:06:50,028 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:06:50,029 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-12 02:06:50,030 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-12 02:06:50,045 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:06:50,054 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffe3f0e-ba67-42d9-acf0-fa9b7e4e754b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2023-11-12 02:06:50,054 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:06:50,054 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffe3f0e-ba67-42d9-acf0-fa9b7e4e754b/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:06:50,058 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffe3f0e-ba67-42d9-acf0-fa9b7e4e754b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:06:50,082 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-12 02:06:50,095 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffe3f0e-ba67-42d9-acf0-fa9b7e4e754b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2023-11-12 02:06:50,096 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:06:50,096 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:06:50,096 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:06:50,096 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:06:50,108 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-12 02:06:50,108 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-12 02:06:50,127 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-12 02:06:50,155 INFO L443 ModelExtractionUtils]: Simplification made 9 calls to the SMT solver. [2023-11-12 02:06:50,155 INFO L444 ModelExtractionUtils]: 2 out of 19 variables were initially zero. Simplification set additionally 14 variables to zero. [2023-11-12 02:06:50,156 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:06:50,156 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffe3f0e-ba67-42d9-acf0-fa9b7e4e754b/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:06:50,157 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffe3f0e-ba67-42d9-acf0-fa9b7e4e754b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:06:50,161 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-12 02:06:50,164 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffe3f0e-ba67-42d9-acf0-fa9b7e4e754b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2023-11-12 02:06:50,173 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-11-12 02:06:50,173 INFO L513 LassoAnalysis]: Proved termination. [2023-11-12 02:06:50,173 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_cstrcspn_~s~0#1.offset, v_rep(select #length ULTIMATE.start_main_#t~malloc13#1.base)_2) = -1*ULTIMATE.start_cstrcspn_~s~0#1.offset + 1*v_rep(select #length ULTIMATE.start_main_#t~malloc13#1.base)_2 Supporting invariants [] [2023-11-12 02:06:50,176 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffe3f0e-ba67-42d9-acf0-fa9b7e4e754b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Ended with exit code 0 [2023-11-12 02:06:50,342 INFO L156 tatePredicateManager]: 16 out of 17 supporting invariants were superfluous and have been removed [2023-11-12 02:06:50,344 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[#t~malloc13!base] could not be translated [2023-11-12 02:06:50,367 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:06:50,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:50,403 INFO L262 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-12 02:06:50,404 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:06:50,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:50,453 INFO L262 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-12 02:06:50,454 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:06:50,484 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 02:06:50,485 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2023-11-12 02:06:50,485 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 18 states and 25 transitions. cyclomatic complexity: 9 Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:06:50,545 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 18 states and 25 transitions. cyclomatic complexity: 9. Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 43 states and 57 transitions. Complement of second has 6 states. [2023-11-12 02:06:50,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2023-11-12 02:06:50,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:06:50,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 18 transitions. [2023-11-12 02:06:50,547 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 7 letters. Loop has 3 letters. [2023-11-12 02:06:50,547 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-12 02:06:50,547 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 10 letters. Loop has 3 letters. [2023-11-12 02:06:50,548 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-12 02:06:50,548 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 7 letters. Loop has 6 letters. [2023-11-12 02:06:50,548 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-12 02:06:50,548 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 43 states and 57 transitions. [2023-11-12 02:06:50,550 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2023-11-12 02:06:50,551 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 43 states to 30 states and 40 transitions. [2023-11-12 02:06:50,551 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2023-11-12 02:06:50,551 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2023-11-12 02:06:50,551 INFO L73 IsDeterministic]: Start isDeterministic. Operand 30 states and 40 transitions. [2023-11-12 02:06:50,552 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-12 02:06:50,552 INFO L218 hiAutomatonCegarLoop]: Abstraction has 30 states and 40 transitions. [2023-11-12 02:06:50,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states and 40 transitions. [2023-11-12 02:06:50,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 24. [2023-11-12 02:06:50,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 24 states have (on average 1.375) internal successors, (33), 23 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 02:06:50,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 33 transitions. [2023-11-12 02:06:50,555 INFO L240 hiAutomatonCegarLoop]: Abstraction has 24 states and 33 transitions. [2023-11-12 02:06:50,555 INFO L428 stractBuchiCegarLoop]: Abstraction has 24 states and 33 transitions. [2023-11-12 02:06:50,555 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2023-11-12 02:06:50,556 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 24 states and 33 transitions. [2023-11-12 02:06:50,556 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2023-11-12 02:06:50,557 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-12 02:06:50,557 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-12 02:06:50,557 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:06:50,558 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-12 02:06:50,558 INFO L748 eck$LassoCheckResult]: Stem: 399#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 392#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet10#1, main_#t~nondet11#1, main_#t~malloc12#1.base, main_#t~malloc12#1.offset, main_#t~malloc13#1.base, main_#t~malloc13#1.offset, main_#t~ret14#1, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc main_#t~nondet10#1;main_~length1~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;havoc main_#t~nondet11#1;main_~length2~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1; 380#L565 assume !(main_~length1~0#1 < 1); 381#L565-2 assume !(main_~length2~0#1 < 1); 397#L568-1 call main_#t~malloc12#1.base, main_#t~malloc12#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 18446744073709551616);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc12#1.base, main_#t~malloc12#1.offset;call main_#t~malloc13#1.base, main_#t~malloc13#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 18446744073709551616);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc13#1.base, main_#t~malloc13#1.offset;call write~int(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);call write~int(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1), 1);assume { :begin_inline_cstrcspn } true;cstrcspn_#in~s1#1.base, cstrcspn_#in~s1#1.offset, cstrcspn_#in~s2#1.base, cstrcspn_#in~s2#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc cstrcspn_#res#1;havoc cstrcspn_#t~mem4#1, cstrcspn_#t~post8#1.base, cstrcspn_#t~post8#1.offset, cstrcspn_#t~mem5#1, cstrcspn_#t~mem6#1, cstrcspn_#t~short7#1, cstrcspn_#t~mem9#1, cstrcspn_#t~post2#1.base, cstrcspn_#t~post2#1.offset, cstrcspn_#t~mem3#1, cstrcspn_~s1#1.base, cstrcspn_~s1#1.offset, cstrcspn_~s2#1.base, cstrcspn_~s2#1.offset, cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset, cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset, cstrcspn_~c~0#1;cstrcspn_~s1#1.base, cstrcspn_~s1#1.offset := cstrcspn_#in~s1#1.base, cstrcspn_#in~s1#1.offset;cstrcspn_~s2#1.base, cstrcspn_~s2#1.offset := cstrcspn_#in~s2#1.base, cstrcspn_#in~s2#1.offset;havoc cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset;havoc cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset;havoc cstrcspn_~c~0#1;cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset := cstrcspn_~s1#1.base, cstrcspn_~s1#1.offset; 384#L552-4 call cstrcspn_#t~mem3#1 := read~int(cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset, 1); 385#L552-1 assume !!(0 != cstrcspn_#t~mem3#1);havoc cstrcspn_#t~mem3#1;cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset := cstrcspn_~s2#1.base, cstrcspn_~s2#1.offset;call cstrcspn_#t~mem4#1 := read~int(cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset, 1);cstrcspn_~c~0#1 := cstrcspn_#t~mem4#1;havoc cstrcspn_#t~mem4#1; 396#L555-5 call cstrcspn_#t~mem5#1 := read~int(cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset, 1);cstrcspn_#t~short7#1 := 0 != cstrcspn_#t~mem5#1; 402#L555-1 assume !cstrcspn_#t~short7#1; 390#L555-3 assume !cstrcspn_#t~short7#1;havoc cstrcspn_#t~mem5#1;havoc cstrcspn_#t~mem6#1;havoc cstrcspn_#t~short7#1; 391#L555-6 call cstrcspn_#t~mem9#1 := read~int(cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset, 1); 398#L557 assume !(cstrcspn_#t~mem9#1 == cstrcspn_~c~0#1);havoc cstrcspn_#t~mem9#1; 382#L552-3 cstrcspn_#t~post2#1.base, cstrcspn_#t~post2#1.offset := cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset;cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset := cstrcspn_#t~post2#1.base, 1 + cstrcspn_#t~post2#1.offset;havoc cstrcspn_#t~post2#1.base, cstrcspn_#t~post2#1.offset; 383#L552-4 call cstrcspn_#t~mem3#1 := read~int(cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset, 1); 387#L552-1 assume !!(0 != cstrcspn_#t~mem3#1);havoc cstrcspn_#t~mem3#1;cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset := cstrcspn_~s2#1.base, cstrcspn_~s2#1.offset;call cstrcspn_#t~mem4#1 := read~int(cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset, 1);cstrcspn_~c~0#1 := cstrcspn_#t~mem4#1;havoc cstrcspn_#t~mem4#1; 389#L555-5 [2023-11-12 02:06:50,558 INFO L750 eck$LassoCheckResult]: Loop: 389#L555-5 call cstrcspn_#t~mem5#1 := read~int(cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset, 1);cstrcspn_#t~short7#1 := 0 != cstrcspn_#t~mem5#1; 393#L555-1 assume cstrcspn_#t~short7#1;call cstrcspn_#t~mem6#1 := read~int(cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset, 1);cstrcspn_#t~short7#1 := cstrcspn_#t~mem6#1 != (if cstrcspn_~c~0#1 % 256 <= 127 then cstrcspn_~c~0#1 % 256 else cstrcspn_~c~0#1 % 256 - 256); 388#L555-3 assume !!cstrcspn_#t~short7#1;havoc cstrcspn_#t~mem5#1;havoc cstrcspn_#t~mem6#1;havoc cstrcspn_#t~short7#1;cstrcspn_#t~post8#1.base, cstrcspn_#t~post8#1.offset := cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset;cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset := cstrcspn_#t~post8#1.base, 1 + cstrcspn_#t~post8#1.offset;havoc cstrcspn_#t~post8#1.base, cstrcspn_#t~post8#1.offset; 389#L555-5 [2023-11-12 02:06:50,558 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:06:50,559 INFO L85 PathProgramCache]: Analyzing trace with hash 1587378397, now seen corresponding path program 1 times [2023-11-12 02:06:50,559 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:06:50,559 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [255521520] [2023-11-12 02:06:50,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:06:50,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:06:50,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:06:50,599 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:06:50,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:06:50,624 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:06:50,624 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:06:50,624 INFO L85 PathProgramCache]: Analyzing trace with hash 58692, now seen corresponding path program 2 times [2023-11-12 02:06:50,625 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:06:50,634 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [390633859] [2023-11-12 02:06:50,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:06:50,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:06:50,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:06:50,641 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:06:50,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:06:50,646 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:06:50,647 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:06:50,647 INFO L85 PathProgramCache]: Analyzing trace with hash 1999924968, now seen corresponding path program 1 times [2023-11-12 02:06:50,647 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:06:50,647 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [332272796] [2023-11-12 02:06:50,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:06:50,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:06:50,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:51,059 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:06:51,059 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:06:51,059 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [332272796] [2023-11-12 02:06:51,059 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [332272796] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-12 02:06:51,059 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [580581206] [2023-11-12 02:06:51,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:06:51,060 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:06:51,060 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffe3f0e-ba67-42d9-acf0-fa9b7e4e754b/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:06:51,061 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffe3f0e-ba67-42d9-acf0-fa9b7e4e754b/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 02:06:51,063 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffe3f0e-ba67-42d9-acf0-fa9b7e4e754b/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Waiting until timeout for monitored process [2023-11-12 02:06:51,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:51,138 INFO L262 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-12 02:06:51,140 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:06:51,173 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-12 02:06:51,234 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:06:51,234 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 02:06:51,296 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:06:51,296 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [580581206] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-12 02:06:51,296 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-12 02:06:51,297 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 7] total 11 [2023-11-12 02:06:51,297 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [155468323] [2023-11-12 02:06:51,297 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-12 02:06:51,426 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:06:51,426 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-12 02:06:51,427 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2023-11-12 02:06:51,427 INFO L87 Difference]: Start difference. First operand 24 states and 33 transitions. cyclomatic complexity: 12 Second operand has 11 states, 11 states have (on average 2.272727272727273) internal successors, (25), 11 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:06:51,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:06:51,541 INFO L93 Difference]: Finished difference Result 59 states and 72 transitions. [2023-11-12 02:06:51,542 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 59 states and 72 transitions. [2023-11-12 02:06:51,544 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2023-11-12 02:06:51,546 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 59 states to 43 states and 53 transitions. [2023-11-12 02:06:51,546 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14 [2023-11-12 02:06:51,546 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14 [2023-11-12 02:06:51,546 INFO L73 IsDeterministic]: Start isDeterministic. Operand 43 states and 53 transitions. [2023-11-12 02:06:51,546 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-12 02:06:51,547 INFO L218 hiAutomatonCegarLoop]: Abstraction has 43 states and 53 transitions. [2023-11-12 02:06:51,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states and 53 transitions. [2023-11-12 02:06:51,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 28. [2023-11-12 02:06:51,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 28 states have (on average 1.2857142857142858) internal successors, (36), 27 states have internal predecessors, (36), 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 02:06:51,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 36 transitions. [2023-11-12 02:06:51,551 INFO L240 hiAutomatonCegarLoop]: Abstraction has 28 states and 36 transitions. [2023-11-12 02:06:51,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-12 02:06:51,552 INFO L428 stractBuchiCegarLoop]: Abstraction has 28 states and 36 transitions. [2023-11-12 02:06:51,552 INFO L335 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2023-11-12 02:06:51,552 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 28 states and 36 transitions. [2023-11-12 02:06:51,553 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2023-11-12 02:06:51,553 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-12 02:06:51,553 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-12 02:06:51,554 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:06:51,554 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-12 02:06:51,554 INFO L748 eck$LassoCheckResult]: Stem: 604#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 600#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet10#1, main_#t~nondet11#1, main_#t~malloc12#1.base, main_#t~malloc12#1.offset, main_#t~malloc13#1.base, main_#t~malloc13#1.offset, main_#t~ret14#1, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc main_#t~nondet10#1;main_~length1~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;havoc main_#t~nondet11#1;main_~length2~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1; 585#L565 assume !(main_~length1~0#1 < 1); 586#L565-2 assume !(main_~length2~0#1 < 1); 601#L568-1 call main_#t~malloc12#1.base, main_#t~malloc12#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 18446744073709551616);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc12#1.base, main_#t~malloc12#1.offset;call main_#t~malloc13#1.base, main_#t~malloc13#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 18446744073709551616);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc13#1.base, main_#t~malloc13#1.offset;call write~int(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);call write~int(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1), 1);assume { :begin_inline_cstrcspn } true;cstrcspn_#in~s1#1.base, cstrcspn_#in~s1#1.offset, cstrcspn_#in~s2#1.base, cstrcspn_#in~s2#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc cstrcspn_#res#1;havoc cstrcspn_#t~mem4#1, cstrcspn_#t~post8#1.base, cstrcspn_#t~post8#1.offset, cstrcspn_#t~mem5#1, cstrcspn_#t~mem6#1, cstrcspn_#t~short7#1, cstrcspn_#t~mem9#1, cstrcspn_#t~post2#1.base, cstrcspn_#t~post2#1.offset, cstrcspn_#t~mem3#1, cstrcspn_~s1#1.base, cstrcspn_~s1#1.offset, cstrcspn_~s2#1.base, cstrcspn_~s2#1.offset, cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset, cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset, cstrcspn_~c~0#1;cstrcspn_~s1#1.base, cstrcspn_~s1#1.offset := cstrcspn_#in~s1#1.base, cstrcspn_#in~s1#1.offset;cstrcspn_~s2#1.base, cstrcspn_~s2#1.offset := cstrcspn_#in~s2#1.base, cstrcspn_#in~s2#1.offset;havoc cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset;havoc cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset;havoc cstrcspn_~c~0#1;cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset := cstrcspn_~s1#1.base, cstrcspn_~s1#1.offset; 593#L552-4 call cstrcspn_#t~mem3#1 := read~int(cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset, 1); 594#L552-1 assume !!(0 != cstrcspn_#t~mem3#1);havoc cstrcspn_#t~mem3#1;cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset := cstrcspn_~s2#1.base, cstrcspn_~s2#1.offset;call cstrcspn_#t~mem4#1 := read~int(cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset, 1);cstrcspn_~c~0#1 := cstrcspn_#t~mem4#1;havoc cstrcspn_#t~mem4#1; 609#L555-5 call cstrcspn_#t~mem5#1 := read~int(cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset, 1);cstrcspn_#t~short7#1 := 0 != cstrcspn_#t~mem5#1; 605#L555-1 assume cstrcspn_#t~short7#1;call cstrcspn_#t~mem6#1 := read~int(cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset, 1);cstrcspn_#t~short7#1 := cstrcspn_#t~mem6#1 != (if cstrcspn_~c~0#1 % 256 <= 127 then cstrcspn_~c~0#1 % 256 else cstrcspn_~c~0#1 % 256 - 256); 606#L555-3 assume !cstrcspn_#t~short7#1;havoc cstrcspn_#t~mem5#1;havoc cstrcspn_#t~mem6#1;havoc cstrcspn_#t~short7#1; 602#L555-6 call cstrcspn_#t~mem9#1 := read~int(cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset, 1); 603#L557 assume !(cstrcspn_#t~mem9#1 == cstrcspn_~c~0#1);havoc cstrcspn_#t~mem9#1; 587#L552-3 cstrcspn_#t~post2#1.base, cstrcspn_#t~post2#1.offset := cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset;cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset := cstrcspn_#t~post2#1.base, 1 + cstrcspn_#t~post2#1.offset;havoc cstrcspn_#t~post2#1.base, cstrcspn_#t~post2#1.offset; 588#L552-4 call cstrcspn_#t~mem3#1 := read~int(cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset, 1); 596#L552-1 assume !!(0 != cstrcspn_#t~mem3#1);havoc cstrcspn_#t~mem3#1;cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset := cstrcspn_~s2#1.base, cstrcspn_~s2#1.offset;call cstrcspn_#t~mem4#1 := read~int(cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset, 1);cstrcspn_~c~0#1 := cstrcspn_#t~mem4#1;havoc cstrcspn_#t~mem4#1; 590#L555-5 [2023-11-12 02:06:51,555 INFO L750 eck$LassoCheckResult]: Loop: 590#L555-5 call cstrcspn_#t~mem5#1 := read~int(cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset, 1);cstrcspn_#t~short7#1 := 0 != cstrcspn_#t~mem5#1; 597#L555-1 assume cstrcspn_#t~short7#1;call cstrcspn_#t~mem6#1 := read~int(cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset, 1);cstrcspn_#t~short7#1 := cstrcspn_#t~mem6#1 != (if cstrcspn_~c~0#1 % 256 <= 127 then cstrcspn_~c~0#1 % 256 else cstrcspn_~c~0#1 % 256 - 256); 589#L555-3 assume !!cstrcspn_#t~short7#1;havoc cstrcspn_#t~mem5#1;havoc cstrcspn_#t~mem6#1;havoc cstrcspn_#t~short7#1;cstrcspn_#t~post8#1.base, cstrcspn_#t~post8#1.offset := cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset;cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset := cstrcspn_#t~post8#1.base, 1 + cstrcspn_#t~post8#1.offset;havoc cstrcspn_#t~post8#1.base, cstrcspn_#t~post8#1.offset; 590#L555-5 [2023-11-12 02:06:51,555 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:06:51,555 INFO L85 PathProgramCache]: Analyzing trace with hash -187628965, now seen corresponding path program 2 times [2023-11-12 02:06:51,555 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:06:51,556 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1719811355] [2023-11-12 02:06:51,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:06:51,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:06:51,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:06:51,596 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffe3f0e-ba67-42d9-acf0-fa9b7e4e754b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2023-11-12 02:06:51,596 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:06:51,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:06:51,614 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:06:51,615 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:06:51,615 INFO L85 PathProgramCache]: Analyzing trace with hash 58692, now seen corresponding path program 3 times [2023-11-12 02:06:51,615 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:06:51,615 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1673671601] [2023-11-12 02:06:51,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:06:51,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:06:51,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:06:51,620 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:06:51,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:06:51,624 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:06:51,625 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:06:51,625 INFO L85 PathProgramCache]: Analyzing trace with hash -1902015318, now seen corresponding path program 1 times [2023-11-12 02:06:51,625 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:06:51,625 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [226471107] [2023-11-12 02:06:51,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:06:51,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:06:51,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:06:51,649 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:06:51,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:06:51,672 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:06:53,209 INFO L210 LassoAnalysis]: Preferences: [2023-11-12 02:06:53,209 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-12 02:06:53,209 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-12 02:06:53,209 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-12 02:06:53,209 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-12 02:06:53,209 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:06:53,210 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-12 02:06:53,210 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-12 02:06:53,210 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrcspn-alloca-2.i_Iteration5_Lasso [2023-11-12 02:06:53,210 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-12 02:06:53,210 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-12 02:06:53,214 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 02:06:53,227 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:06:53,230 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 02:06:53,233 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 02:06:53,236 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 02:06:53,238 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 02:06:53,243 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 02:06:53,245 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 02:06:54,198 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 02:06:54,201 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 02:06:54,203 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:06:54,205 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 02:06:54,208 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 02:06:54,211 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 02:06:54,214 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 02:06:54,218 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 02:06:54,220 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:06:54,223 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:06:54,225 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 02:06:54,228 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 02:06:54,230 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 02:06:54,233 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 02:06:54,240 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 02:06:54,243 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 02:06:54,246 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 02:06:54,250 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 02:06:54,252 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 02:06:54,255 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 02:06:55,837 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-12 02:06:55,838 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-12 02:06:55,838 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:06:55,838 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffe3f0e-ba67-42d9-acf0-fa9b7e4e754b/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:06:55,839 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffe3f0e-ba67-42d9-acf0-fa9b7e4e754b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:06:55,849 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 02:06:55,862 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:06:55,862 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-12 02:06:55,862 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:06:55,862 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:06:55,862 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:06:55,863 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-12 02:06:55,863 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-12 02:06:55,865 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffe3f0e-ba67-42d9-acf0-fa9b7e4e754b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2023-11-12 02:06:55,877 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:06:55,885 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffe3f0e-ba67-42d9-acf0-fa9b7e4e754b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2023-11-12 02:06:55,885 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:06:55,885 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffe3f0e-ba67-42d9-acf0-fa9b7e4e754b/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:06:55,886 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffe3f0e-ba67-42d9-acf0-fa9b7e4e754b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:06:55,894 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 02:06:55,906 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:06:55,906 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-12 02:06:55,906 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:06:55,906 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:06:55,906 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:06:55,907 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-12 02:06:55,907 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-12 02:06:55,913 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffe3f0e-ba67-42d9-acf0-fa9b7e4e754b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2023-11-12 02:06:55,916 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:06:55,919 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffe3f0e-ba67-42d9-acf0-fa9b7e4e754b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2023-11-12 02:06:55,920 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:06:55,920 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffe3f0e-ba67-42d9-acf0-fa9b7e4e754b/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:06:55,921 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffe3f0e-ba67-42d9-acf0-fa9b7e4e754b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:06:55,925 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 02:06:55,933 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffe3f0e-ba67-42d9-acf0-fa9b7e4e754b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2023-11-12 02:06:55,936 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:06:55,937 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-12 02:06:55,937 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:06:55,937 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:06:55,937 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:06:55,937 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-12 02:06:55,937 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-12 02:06:55,939 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:06:55,941 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffe3f0e-ba67-42d9-acf0-fa9b7e4e754b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Ended with exit code 0 [2023-11-12 02:06:55,941 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:06:55,941 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffe3f0e-ba67-42d9-acf0-fa9b7e4e754b/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:06:55,942 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffe3f0e-ba67-42d9-acf0-fa9b7e4e754b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:06:55,943 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffe3f0e-ba67-42d9-acf0-fa9b7e4e754b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2023-11-12 02:06:55,944 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 02:06:55,954 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:06:55,954 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-12 02:06:55,955 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:06:55,955 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:06:55,955 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:06:55,957 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-12 02:06:55,957 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-12 02:06:55,971 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:06:55,974 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffe3f0e-ba67-42d9-acf0-fa9b7e4e754b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Forceful destruction successful, exit code 0 [2023-11-12 02:06:55,976 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:06:55,976 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffe3f0e-ba67-42d9-acf0-fa9b7e4e754b/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:06:55,977 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffe3f0e-ba67-42d9-acf0-fa9b7e4e754b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:06:55,978 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffe3f0e-ba67-42d9-acf0-fa9b7e4e754b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2023-11-12 02:06:55,979 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 02:06:55,991 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:06:55,992 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-12 02:06:55,992 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:06:55,992 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:06:55,992 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:06:55,992 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-12 02:06:55,992 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-12 02:06:56,005 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:06:56,008 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffe3f0e-ba67-42d9-acf0-fa9b7e4e754b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Forceful destruction successful, exit code 0 [2023-11-12 02:06:56,008 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:06:56,008 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffe3f0e-ba67-42d9-acf0-fa9b7e4e754b/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:06:56,009 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffe3f0e-ba67-42d9-acf0-fa9b7e4e754b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:06:56,012 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 02:06:56,017 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffe3f0e-ba67-42d9-acf0-fa9b7e4e754b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2023-11-12 02:06:56,023 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:06:56,023 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:06:56,023 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:06:56,023 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:06:56,025 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-12 02:06:56,025 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-12 02:06:56,029 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:06:56,032 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffe3f0e-ba67-42d9-acf0-fa9b7e4e754b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Forceful destruction successful, exit code 0 [2023-11-12 02:06:56,032 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:06:56,032 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffe3f0e-ba67-42d9-acf0-fa9b7e4e754b/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:06:56,033 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffe3f0e-ba67-42d9-acf0-fa9b7e4e754b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:06:56,035 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffe3f0e-ba67-42d9-acf0-fa9b7e4e754b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2023-11-12 02:06:56,036 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-12 02:06:56,046 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:06:56,046 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-12 02:06:56,046 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:06:56,046 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:06:56,046 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:06:56,047 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-12 02:06:56,047 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-12 02:06:56,048 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:06:56,051 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffe3f0e-ba67-42d9-acf0-fa9b7e4e754b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Forceful destruction successful, exit code 0 [2023-11-12 02:06:56,051 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:06:56,051 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffe3f0e-ba67-42d9-acf0-fa9b7e4e754b/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:06:56,052 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffe3f0e-ba67-42d9-acf0-fa9b7e4e754b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:06:56,054 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffe3f0e-ba67-42d9-acf0-fa9b7e4e754b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2023-11-12 02:06:56,055 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 02:06:56,066 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:06:56,066 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:06:56,066 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:06:56,066 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:06:56,068 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-12 02:06:56,068 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-12 02:06:56,072 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:06:56,075 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffe3f0e-ba67-42d9-acf0-fa9b7e4e754b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Ended with exit code 0 [2023-11-12 02:06:56,075 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:06:56,076 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffe3f0e-ba67-42d9-acf0-fa9b7e4e754b/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:06:56,076 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffe3f0e-ba67-42d9-acf0-fa9b7e4e754b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:06:56,079 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffe3f0e-ba67-42d9-acf0-fa9b7e4e754b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2023-11-12 02:06:56,080 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 02:06:56,092 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:06:56,092 INFO L203 nArgumentSynthesizer]: 8 stem disjuncts [2023-11-12 02:06:56,092 INFO L204 nArgumentSynthesizer]: 6 loop disjuncts [2023-11-12 02:06:56,092 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:06:56,234 INFO L401 nArgumentSynthesizer]: We have 180 Motzkin's Theorem applications. [2023-11-12 02:06:56,234 INFO L402 nArgumentSynthesizer]: A total of 12 supporting invariants were added. [2023-11-12 02:06:56,567 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:06:56,573 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffe3f0e-ba67-42d9-acf0-fa9b7e4e754b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Ended with exit code 0 [2023-11-12 02:06:56,573 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:06:56,573 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffe3f0e-ba67-42d9-acf0-fa9b7e4e754b/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:06:56,574 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffe3f0e-ba67-42d9-acf0-fa9b7e4e754b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:06:56,578 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffe3f0e-ba67-42d9-acf0-fa9b7e4e754b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2023-11-12 02:06:56,578 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-12 02:06:56,589 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:06:56,589 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:06:56,589 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:06:56,589 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:06:56,591 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-12 02:06:56,591 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-12 02:06:56,595 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:06:56,598 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffe3f0e-ba67-42d9-acf0-fa9b7e4e754b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Forceful destruction successful, exit code 0 [2023-11-12 02:06:56,599 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:06:56,599 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffe3f0e-ba67-42d9-acf0-fa9b7e4e754b/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:06:56,600 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffe3f0e-ba67-42d9-acf0-fa9b7e4e754b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:06:56,602 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffe3f0e-ba67-42d9-acf0-fa9b7e4e754b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2023-11-12 02:06:56,603 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 02:06:56,614 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:06:56,614 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:06:56,614 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:06:56,614 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:06:56,616 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-12 02:06:56,616 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-12 02:06:56,628 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:06:56,630 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffe3f0e-ba67-42d9-acf0-fa9b7e4e754b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Ended with exit code 0 [2023-11-12 02:06:56,631 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:06:56,631 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffe3f0e-ba67-42d9-acf0-fa9b7e4e754b/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:06:56,632 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffe3f0e-ba67-42d9-acf0-fa9b7e4e754b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:06:56,634 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffe3f0e-ba67-42d9-acf0-fa9b7e4e754b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2023-11-12 02:06:56,635 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 02:06:56,645 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:06:56,645 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:06:56,645 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:06:56,645 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:06:56,651 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-12 02:06:56,651 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-12 02:06:56,685 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-12 02:06:56,726 INFO L443 ModelExtractionUtils]: Simplification made 9 calls to the SMT solver. [2023-11-12 02:06:56,726 INFO L444 ModelExtractionUtils]: 2 out of 19 variables were initially zero. Simplification set additionally 12 variables to zero. [2023-11-12 02:06:56,726 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:06:56,726 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffe3f0e-ba67-42d9-acf0-fa9b7e4e754b/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:06:56,732 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffe3f0e-ba67-42d9-acf0-fa9b7e4e754b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:06:56,734 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffe3f0e-ba67-42d9-acf0-fa9b7e4e754b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2023-11-12 02:06:56,735 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-12 02:06:56,770 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2023-11-12 02:06:56,770 INFO L513 LassoAnalysis]: Proved termination. [2023-11-12 02:06:56,770 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_cstrcspn_~s~0#1.offset) = -2*ULTIMATE.start_cstrcspn_~s~0#1.offset + 36893488147419103229 Supporting invariants [-1*v_rep(select #length ULTIMATE.start_main_~nondetString2~0#1.base)_3 + 18446744073709551615 >= 0] [2023-11-12 02:06:56,774 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffe3f0e-ba67-42d9-acf0-fa9b7e4e754b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Forceful destruction successful, exit code 0 [2023-11-12 02:06:56,954 INFO L156 tatePredicateManager]: 27 out of 30 supporting invariants were superfluous and have been removed [2023-11-12 02:06:56,994 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:06:57,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:57,044 INFO L262 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-12 02:06:57,046 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:06:57,085 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2023-11-12 02:06:57,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:57,207 INFO L262 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-12 02:06:57,207 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:06:57,256 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 02:06:57,257 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2023-11-12 02:06:57,257 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 28 states and 36 transitions. cyclomatic complexity: 11 Second operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 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 02:06:57,335 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 28 states and 36 transitions. cyclomatic complexity: 11. Second operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 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 46 states and 58 transitions. Complement of second has 6 states. [2023-11-12 02:06:57,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2023-11-12 02:06:57,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 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 02:06:57,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 18 transitions. [2023-11-12 02:06:57,339 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 15 letters. Loop has 3 letters. [2023-11-12 02:06:57,339 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-12 02:06:57,340 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2023-11-12 02:06:57,372 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:06:57,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:57,408 INFO L262 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-12 02:06:57,410 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:06:57,446 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2023-11-12 02:06:57,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:57,573 INFO L262 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-12 02:06:57,574 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:06:57,625 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 02:06:57,626 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.2 stem predicates 2 loop predicates [2023-11-12 02:06:57,626 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 28 states and 36 transitions. cyclomatic complexity: 11 Second operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 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 02:06:57,697 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 28 states and 36 transitions. cyclomatic complexity: 11. Second operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 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 46 states and 58 transitions. Complement of second has 6 states. [2023-11-12 02:06:57,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2023-11-12 02:06:57,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 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 02:06:57,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 18 transitions. [2023-11-12 02:06:57,701 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 15 letters. Loop has 3 letters. [2023-11-12 02:06:57,701 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-12 02:06:57,701 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2023-11-12 02:06:57,728 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:06:57,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:57,764 INFO L262 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-12 02:06:57,770 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:06:57,794 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-12 02:06:57,880 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffe3f0e-ba67-42d9-acf0-fa9b7e4e754b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Forceful destruction successful, exit code 0 [2023-11-12 02:06:57,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:57,936 INFO L262 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-12 02:06:57,936 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:06:57,993 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 02:06:57,994 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 2 loop predicates [2023-11-12 02:06:57,994 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 28 states and 36 transitions. cyclomatic complexity: 11 Second operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 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 02:06:58,089 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 28 states and 36 transitions. cyclomatic complexity: 11. Second operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 45 states and 60 transitions. Complement of second has 5 states. [2023-11-12 02:06:58,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2023-11-12 02:06:58,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 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 02:06:58,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 27 transitions. [2023-11-12 02:06:58,091 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 27 transitions. Stem has 15 letters. Loop has 3 letters. [2023-11-12 02:06:58,092 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-12 02:06:58,092 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 27 transitions. Stem has 18 letters. Loop has 3 letters. [2023-11-12 02:06:58,092 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-12 02:06:58,092 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 27 transitions. Stem has 15 letters. Loop has 6 letters. [2023-11-12 02:06:58,093 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-12 02:06:58,093 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 45 states and 60 transitions. [2023-11-12 02:06:58,095 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-12 02:06:58,096 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 45 states to 0 states and 0 transitions. [2023-11-12 02:06:58,096 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2023-11-12 02:06:58,096 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2023-11-12 02:06:58,096 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2023-11-12 02:06:58,097 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-12 02:06:58,097 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-12 02:06:58,097 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-12 02:06:58,097 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-12 02:06:58,097 INFO L335 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2023-11-12 02:06:58,097 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2023-11-12 02:06:58,098 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-12 02:06:58,098 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2023-11-12 02:06:58,106 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 12.11 02:06:58 BoogieIcfgContainer [2023-11-12 02:06:58,106 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-11-12 02:06:58,107 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-12 02:06:58,107 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-12 02:06:58,107 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-12 02:06:58,108 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:06:40" (3/4) ... [2023-11-12 02:06:58,110 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-12 02:06:58,111 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-12 02:06:58,112 INFO L158 Benchmark]: Toolchain (without parser) took 18752.00ms. Allocated memory was 161.5MB in the beginning and 234.9MB in the end (delta: 73.4MB). Free memory was 131.3MB in the beginning and 179.6MB in the end (delta: -48.3MB). Peak memory consumption was 26.2MB. Max. memory is 16.1GB. [2023-11-12 02:06:58,113 INFO L158 Benchmark]: CDTParser took 0.51ms. Allocated memory is still 130.0MB. Free memory is still 102.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 02:06:58,113 INFO L158 Benchmark]: CACSL2BoogieTranslator took 471.40ms. Allocated memory is still 161.5MB. Free memory was 131.3MB in the beginning and 114.6MB in the end (delta: 16.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-12 02:06:58,114 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.49ms. Allocated memory is still 161.5MB. Free memory was 114.6MB in the beginning and 113.1MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 02:06:58,114 INFO L158 Benchmark]: Boogie Preprocessor took 32.45ms. Allocated memory is still 161.5MB. Free memory was 113.1MB in the beginning and 111.1MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 02:06:58,114 INFO L158 Benchmark]: RCFGBuilder took 477.64ms. Allocated memory is still 161.5MB. Free memory was 111.1MB in the beginning and 121.2MB in the end (delta: -10.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-12 02:06:58,115 INFO L158 Benchmark]: BuchiAutomizer took 17715.81ms. Allocated memory was 161.5MB in the beginning and 234.9MB in the end (delta: 73.4MB). Free memory was 121.2MB in the beginning and 180.6MB in the end (delta: -59.4MB). Peak memory consumption was 16.1MB. Max. memory is 16.1GB. [2023-11-12 02:06:58,115 INFO L158 Benchmark]: Witness Printer took 4.73ms. Allocated memory is still 234.9MB. Free memory was 180.6MB in the beginning and 179.6MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 02:06:58,118 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.51ms. Allocated memory is still 130.0MB. Free memory is still 102.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 471.40ms. Allocated memory is still 161.5MB. Free memory was 131.3MB in the beginning and 114.6MB in the end (delta: 16.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.49ms. Allocated memory is still 161.5MB. Free memory was 114.6MB in the beginning and 113.1MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.45ms. Allocated memory is still 161.5MB. Free memory was 113.1MB in the beginning and 111.1MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 477.64ms. Allocated memory is still 161.5MB. Free memory was 111.1MB in the beginning and 121.2MB in the end (delta: -10.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * BuchiAutomizer took 17715.81ms. Allocated memory was 161.5MB in the beginning and 234.9MB in the end (delta: 73.4MB). Free memory was 121.2MB in the beginning and 180.6MB in the end (delta: -59.4MB). Peak memory consumption was 16.1MB. Max. memory is 16.1GB. * Witness Printer took 4.73ms. Allocated memory is still 234.9MB. Free memory was 180.6MB in the beginning and 179.6MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #length[~nondetString1~0!base] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #length[#t~malloc13!base] could not be translated * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 5 terminating modules (2 trivial, 2 deterministic, 1 nondeterministic). One deterministic module has affine ranking function NULL and consists of 3 locations. One deterministic module has affine ranking function NULL and consists of 4 locations. One nondeterministic module has affine ranking function NULL and consists of 4 locations. 2 modules have a trivial ranking function, the largest among these consists of 11 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 17.6s and 6 iterations. TraceHistogramMax:2. Analysis of lassos took 15.6s. Construction of modules took 0.1s. Büchi inclusion checks took 1.7s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 3. Automata minimization 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 21 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [2, 0, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 140 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 140 mSDsluCounter, 189 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 90 mSDsCounter, 32 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 144 IncrementalHoareTripleChecker+Invalid, 176 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 32 mSolverCounterUnsat, 99 mSDtfsCounter, 144 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso3 LassoPreprocessingBenchmarks: Lassos: inital267 mio100 ax106 hnf100 lsp95 ukn76 mio100 lsp28 div164 bol100 ite100 ukn100 eq159 hnf93 smp72 dnf1019 smp24 tf100 neg100 sie113 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 491ms VariablesStem: 7 VariablesLoop: 4 DisjunctsStem: 8 DisjunctsLoop: 6 SupportingInvariants: 12 MotzkinApplications: 180 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2023-11-12 02:06:58,135 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffe3f0e-ba67-42d9-acf0-fa9b7e4e754b/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Forceful destruction successful, exit code 0 [2023-11-12 02:06:58,341 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ffe3f0e-ba67-42d9-acf0-fa9b7e4e754b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE