./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-crafted/4BitCounterPointer.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-crafted/4BitCounterPointer.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 7e6a17b7d4143542ba439290f9741c160a8cb32cc90a0cc2a238a67702990ba0 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 08:02:54,411 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 08:02:54,509 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Termination-64bit-Automizer_Default.epf [2023-11-19 08:02:54,514 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 08:02:54,514 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 08:02:54,537 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 08:02:54,538 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 08:02:54,539 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 08:02:54,540 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 08:02:54,540 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 08:02:54,541 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 08:02:54,542 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-19 08:02:54,542 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-19 08:02:54,543 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-19 08:02:54,544 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-19 08:02:54,544 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-19 08:02:54,545 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-19 08:02:54,545 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 08:02:54,546 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-19 08:02:54,547 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 08:02:54,547 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 08:02:54,548 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-19 08:02:54,548 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-19 08:02:54,549 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-19 08:02:54,550 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 08:02:54,550 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 08:02:54,550 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-19 08:02:54,551 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 08:02:54,551 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 08:02:54,552 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 08:02:54,553 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 08:02:54,553 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 08:02:54,554 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-19 08:02:54,554 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_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7e6a17b7d4143542ba439290f9741c160a8cb32cc90a0cc2a238a67702990ba0 [2023-11-19 08:02:54,876 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 08:02:54,921 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 08:02:54,924 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 08:02:54,925 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 08:02:54,926 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 08:02:54,927 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/termination-crafted/4BitCounterPointer.c [2023-11-19 08:02:58,109 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 08:02:58,365 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 08:02:58,365 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/sv-benchmarks/c/termination-crafted/4BitCounterPointer.c [2023-11-19 08:02:58,373 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/data/66f423f8d/d8f10fc6f7104b6182982b3b9f1669be/FLAGc3dc2382a [2023-11-19 08:02:58,391 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/data/66f423f8d/d8f10fc6f7104b6182982b3b9f1669be [2023-11-19 08:02:58,398 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 08:02:58,400 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 08:02:58,403 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 08:02:58,403 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 08:02:58,409 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 08:02:58,409 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:02:58" (1/1) ... [2023-11-19 08:02:58,411 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26d517a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:58, skipping insertion in model container [2023-11-19 08:02:58,412 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:02:58" (1/1) ... [2023-11-19 08:02:58,433 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 08:02:58,628 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 08:02:58,639 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 08:02:58,654 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 08:02:58,669 INFO L206 MainTranslator]: Completed translation [2023-11-19 08:02:58,669 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:58 WrapperNode [2023-11-19 08:02:58,670 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 08:02:58,671 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 08:02:58,671 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 08:02:58,671 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 08:02:58,679 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:58" (1/1) ... [2023-11-19 08:02:58,686 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:58" (1/1) ... [2023-11-19 08:02:58,710 INFO L138 Inliner]: procedures = 7, calls = 29, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 60 [2023-11-19 08:02:58,710 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 08:02:58,711 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 08:02:58,712 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 08:02:58,712 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 08:02:58,721 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:58" (1/1) ... [2023-11-19 08:02:58,722 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:58" (1/1) ... [2023-11-19 08:02:58,737 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:58" (1/1) ... [2023-11-19 08:02:58,738 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:58" (1/1) ... [2023-11-19 08:02:58,742 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:58" (1/1) ... [2023-11-19 08:02:58,750 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:58" (1/1) ... [2023-11-19 08:02:58,756 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:58" (1/1) ... [2023-11-19 08:02:58,761 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:58" (1/1) ... [2023-11-19 08:02:58,763 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 08:02:58,764 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 08:02:58,765 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 08:02:58,765 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 08:02:58,766 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:58" (1/1) ... [2023-11-19 08:02:58,773 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 08:02:58,786 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:02:58,799 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 08:02:58,826 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-19 08:02:58,846 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 08:02:58,846 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 08:02:58,846 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 08:02:58,847 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 08:02:58,847 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 08:02:58,847 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 08:02:58,932 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 08:02:58,934 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 08:02:59,143 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 08:02:59,151 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 08:02:59,151 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 08:02:59,155 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:02:59 BoogieIcfgContainer [2023-11-19 08:02:59,156 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 08:02:59,157 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-11-19 08:02:59,157 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-11-19 08:02:59,161 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-11-19 08:02:59,162 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-19 08:02:59,162 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 19.11 08:02:58" (1/3) ... [2023-11-19 08:02:59,164 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@72e187b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 08:02:59, skipping insertion in model container [2023-11-19 08:02:59,164 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-19 08:02:59,164 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:58" (2/3) ... [2023-11-19 08:02:59,165 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@72e187b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 08:02:59, skipping insertion in model container [2023-11-19 08:02:59,165 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-19 08:02:59,165 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:02:59" (3/3) ... [2023-11-19 08:02:59,167 INFO L332 chiAutomizerObserver]: Analyzing ICFG 4BitCounterPointer.c [2023-11-19 08:02:59,226 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-11-19 08:02:59,226 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-11-19 08:02:59,226 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-11-19 08:02:59,227 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-11-19 08:02:59,227 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-11-19 08:02:59,227 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-11-19 08:02:59,227 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-11-19 08:02:59,228 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-11-19 08:02:59,232 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 11 states, 10 states have (on average 1.5) internal successors, (15), 10 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:02:59,269 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2023-11-19 08:02:59,269 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 08:02:59,269 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 08:02:59,276 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-11-19 08:02:59,276 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-19 08:02:59,277 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-11-19 08:02:59,277 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 11 states, 10 states have (on average 1.5) internal successors, (15), 10 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:02:59,278 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2023-11-19 08:02:59,279 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 08:02:59,279 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 08:02:59,279 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-11-19 08:02:59,280 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-19 08:02:59,288 INFO L748 eck$LassoCheckResult]: Stem: 7#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 9#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc0#1.base, main_#t~malloc0#1.offset, main_#t~malloc1#1.base, main_#t~malloc1#1.offset, main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~mem4#1, main_~x0~0#1.base, main_~x0~0#1.offset, main_~x1~0#1.base, main_~x1~0#1.offset, main_~x2~0#1.base, main_~x2~0#1.offset, main_~x3~0#1.base, main_~x3~0#1.offset;call main_#t~malloc0#1.base, main_#t~malloc0#1.offset := #Ultimate.allocOnStack(4);main_~x0~0#1.base, main_~x0~0#1.offset := main_#t~malloc0#1.base, main_#t~malloc0#1.offset;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnStack(4);main_~x1~0#1.base, main_~x1~0#1.offset := main_#t~malloc1#1.base, main_#t~malloc1#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~x2~0#1.base, main_~x2~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~x3~0#1.base, main_~x3~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call write~int(0, main_~x0~0#1.base, main_~x0~0#1.offset, 4);call write~int(0, main_~x1~0#1.base, main_~x1~0#1.offset, 4);call write~int(0, main_~x2~0#1.base, main_~x2~0#1.offset, 4);call write~int(0, main_~x3~0#1.base, main_~x3~0#1.offset, 4); 4#L24-2true [2023-11-19 08:02:59,288 INFO L750 eck$LassoCheckResult]: Loop: 4#L24-2true call main_#t~mem4#1 := read~int(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 8#L15-1true assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 2#L16true assume 0 == main_#t~mem5#1;havoc main_#t~mem5#1;call write~int(1, main_~x0~0#1.base, main_~x0~0#1.offset, 4); 4#L24-2true [2023-11-19 08:02:59,314 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:02:59,314 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2023-11-19 08:02:59,324 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:02:59,325 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1938239542] [2023-11-19 08:02:59,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:02:59,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:02:59,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 08:02:59,548 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 08:02:59,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 08:02:59,649 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 08:02:59,654 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:02:59,655 INFO L85 PathProgramCache]: Analyzing trace with hash 36905, now seen corresponding path program 1 times [2023-11-19 08:02:59,655 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:02:59,655 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1696505806] [2023-11-19 08:02:59,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:02:59,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:02:59,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 08:02:59,685 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 08:02:59,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 08:02:59,704 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 08:02:59,706 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:02:59,706 INFO L85 PathProgramCache]: Analyzing trace with hash 28695847, now seen corresponding path program 1 times [2023-11-19 08:02:59,706 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:02:59,707 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1725358956] [2023-11-19 08:02:59,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:02:59,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:02:59,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 08:02:59,768 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 08:02:59,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 08:02:59,809 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 08:03:01,301 INFO L210 LassoAnalysis]: Preferences: [2023-11-19 08:03:01,302 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-19 08:03:01,303 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-19 08:03:01,303 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-19 08:03:01,303 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-19 08:03:01,303 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 08:03:01,303 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-19 08:03:01,304 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-19 08:03:01,304 INFO L133 ssoRankerPreferences]: Filename of dumped script: 4BitCounterPointer.c_Iteration1_Lasso [2023-11-19 08:03:01,304 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-19 08:03:01,305 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-19 08:03:01,358 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 08:03:01,377 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 08:03:01,380 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 08:03:01,382 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 08:03:01,387 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 08:03:01,394 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 08:03:01,402 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 08:03:01,405 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 08:03:01,410 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 08:03:01,414 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 08:03:02,140 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 08:03:02,143 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 08:03:02,615 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-19 08:03:02,619 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-19 08:03:02,621 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 08:03:02,622 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:03:02,624 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 08:03:02,635 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 [2023-11-19 08:03:02,648 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2023-11-19 08:03:02,649 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 08:03:02,649 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 08:03:02,649 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 08:03:02,649 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 08:03:02,655 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 08:03:02,655 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 08:03:02,667 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 08:03:02,691 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2023-11-19 08:03:02,691 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 08:03:02,692 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:03:02,693 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 08:03:02,696 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 08:03:02,709 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 08:03:02,709 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 08:03:02,709 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 08:03:02,710 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 08:03:02,710 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 08:03:02,710 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2023-11-19 08:03:02,711 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 08:03:02,711 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 08:03:02,720 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 08:03:02,745 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2023-11-19 08:03:02,745 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 08:03:02,746 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:03:02,747 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 08:03:02,750 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 08:03:02,762 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 08:03:02,762 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 08:03:02,762 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 08:03:02,763 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 08:03:02,763 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 08:03:02,763 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 08:03:02,764 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 08:03:02,765 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2023-11-19 08:03:02,780 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 08:03:02,800 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2023-11-19 08:03:02,801 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 08:03:02,801 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:03:02,802 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 08:03:02,809 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 08:03:02,809 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2023-11-19 08:03:02,822 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 08:03:02,822 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 08:03:02,822 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 08:03:02,823 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 08:03:02,827 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 08:03:02,827 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 08:03:02,837 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 08:03:02,860 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2023-11-19 08:03:02,860 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 08:03:02,861 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:03:02,863 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 08:03:02,869 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2023-11-19 08:03:02,871 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 08:03:02,884 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 08:03:02,884 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 08:03:02,884 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 08:03:02,884 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 08:03:02,884 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 08:03:02,886 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 08:03:02,886 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 08:03:02,900 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 08:03:02,924 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2023-11-19 08:03:02,924 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 08:03:02,925 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:03:02,926 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 08:03:02,933 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 08:03:02,946 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 08:03:02,947 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 08:03:02,947 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 08:03:02,947 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 08:03:02,954 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 08:03:02,955 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 08:03:02,956 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2023-11-19 08:03:02,961 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 08:03:02,974 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2023-11-19 08:03:02,975 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 08:03:02,976 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:03:02,977 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 08:03:02,978 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2023-11-19 08:03:02,979 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 [2023-11-19 08:03:02,990 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 08:03:02,990 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 08:03:02,990 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 08:03:02,991 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 08:03:02,993 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 08:03:02,994 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 08:03:03,011 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 08:03:03,024 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2023-11-19 08:03:03,025 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 08:03:03,025 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:03:03,026 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 08:03:03,029 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2023-11-19 08:03:03,029 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 08:03:03,039 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 08:03:03,039 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 08:03:03,039 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 08:03:03,039 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 08:03:03,042 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 08:03:03,042 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 08:03:03,070 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 08:03:03,084 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2023-11-19 08:03:03,085 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 08:03:03,085 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:03:03,086 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 08:03:03,087 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2023-11-19 08:03:03,087 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 08:03:03,097 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 08:03:03,098 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 08:03:03,098 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 08:03:03,098 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 08:03:03,098 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 08:03:03,098 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 08:03:03,099 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 08:03:03,104 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 08:03:03,116 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2023-11-19 08:03:03,116 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 08:03:03,116 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:03:03,117 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 08:03:03,118 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2023-11-19 08:03:03,120 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 08:03:03,130 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 08:03:03,130 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 08:03:03,130 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 08:03:03,131 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 08:03:03,136 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 08:03:03,136 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 08:03:03,169 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 08:03:03,189 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2023-11-19 08:03:03,189 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 08:03:03,189 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:03:03,190 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 08:03:03,191 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2023-11-19 08:03:03,193 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 08:03:03,202 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 08:03:03,203 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 08:03:03,203 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 08:03:03,203 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 08:03:03,206 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 08:03:03,206 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 08:03:03,232 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 08:03:03,255 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2023-11-19 08:03:03,256 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 08:03:03,256 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:03:03,257 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 08:03:03,265 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 08:03:03,278 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 08:03:03,278 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 08:03:03,278 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 08:03:03,278 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 08:03:03,281 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 08:03:03,281 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 08:03:03,282 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2023-11-19 08:03:03,288 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 08:03:03,299 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2023-11-19 08:03:03,300 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 08:03:03,300 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:03:03,301 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 08:03:03,302 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2023-11-19 08:03:03,303 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 08:03:03,313 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 08:03:03,313 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 08:03:03,313 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 08:03:03,313 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 08:03:03,321 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 08:03:03,321 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 08:03:03,336 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 08:03:03,353 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2023-11-19 08:03:03,353 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 08:03:03,353 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:03:03,354 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 08:03:03,355 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2023-11-19 08:03:03,357 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 08:03:03,367 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 08:03:03,367 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 08:03:03,367 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 08:03:03,367 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 08:03:03,371 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 08:03:03,372 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 08:03:03,403 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 08:03:03,415 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2023-11-19 08:03:03,416 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 08:03:03,417 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:03:03,418 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 08:03:03,424 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2023-11-19 08:03:03,425 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 08:03:03,435 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 08:03:03,435 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 08:03:03,436 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 08:03:03,436 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 08:03:03,439 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 08:03:03,440 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 08:03:03,468 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 08:03:03,491 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2023-11-19 08:03:03,491 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 08:03:03,492 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:03:03,493 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 08:03:03,496 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2023-11-19 08:03:03,497 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 08:03:03,510 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 08:03:03,510 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 08:03:03,510 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 08:03:03,510 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 08:03:03,516 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 08:03:03,516 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 08:03:03,528 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-19 08:03:03,548 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2023-11-19 08:03:03,548 INFO L444 ModelExtractionUtils]: 3 out of 10 variables were initially zero. Simplification set additionally 4 variables to zero. [2023-11-19 08:03:03,550 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 08:03:03,550 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:03:03,582 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 08:03:03,583 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-19 08:03:03,595 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2023-11-19 08:03:03,614 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-11-19 08:03:03,614 INFO L513 LassoAnalysis]: Proved termination. [2023-11-19 08:03:03,615 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~x0~0#1.base) 0)_1) = -2*v_rep(select (select #memory_int ULTIMATE.start_main_~x0~0#1.base) 0)_1 + 1 Supporting invariants [] [2023-11-19 08:03:03,634 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2023-11-19 08:03:03,783 INFO L156 tatePredicateManager]: 28 out of 29 supporting invariants were superfluous and have been removed [2023-11-19 08:03:03,792 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~x0~0!base][0] could not be translated [2023-11-19 08:03:03,818 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:03:03,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:03:03,863 INFO L262 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 08:03:03,865 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:03:03,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:03:03,884 INFO L262 TraceCheckSpWp]: Trace formula consists of 28 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 08:03:03,885 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:03:03,925 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 08:03:03,970 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2023-11-19 08:03:03,972 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 11 states, 10 states have (on average 1.5) internal successors, (15), 10 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:03:04,063 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 11 states, 10 states have (on average 1.5) internal successors, (15), 10 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 25 states and 33 transitions. Complement of second has 8 states. [2023-11-19 08:03:04,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2023-11-19 08:03:04,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:03:04,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 11 transitions. [2023-11-19 08:03:04,072 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 11 transitions. Stem has 2 letters. Loop has 3 letters. [2023-11-19 08:03:04,072 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 08:03:04,072 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 11 transitions. Stem has 5 letters. Loop has 3 letters. [2023-11-19 08:03:04,073 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 08:03:04,073 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 11 transitions. Stem has 2 letters. Loop has 6 letters. [2023-11-19 08:03:04,073 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 08:03:04,074 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 25 states and 33 transitions. [2023-11-19 08:03:04,076 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2023-11-19 08:03:04,080 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 25 states to 13 states and 18 transitions. [2023-11-19 08:03:04,081 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2023-11-19 08:03:04,081 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2023-11-19 08:03:04,082 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 18 transitions. [2023-11-19 08:03:04,082 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-19 08:03:04,083 INFO L218 hiAutomatonCegarLoop]: Abstraction has 13 states and 18 transitions. [2023-11-19 08:03:04,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states and 18 transitions. [2023-11-19 08:03:04,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2023-11-19 08:03:04,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 12 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:03:04,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 18 transitions. [2023-11-19 08:03:04,110 INFO L240 hiAutomatonCegarLoop]: Abstraction has 13 states and 18 transitions. [2023-11-19 08:03:04,110 INFO L428 stractBuchiCegarLoop]: Abstraction has 13 states and 18 transitions. [2023-11-19 08:03:04,110 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-11-19 08:03:04,111 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states and 18 transitions. [2023-11-19 08:03:04,111 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2023-11-19 08:03:04,112 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 08:03:04,112 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 08:03:04,112 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2023-11-19 08:03:04,112 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2023-11-19 08:03:04,113 INFO L748 eck$LassoCheckResult]: Stem: 207#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 208#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc0#1.base, main_#t~malloc0#1.offset, main_#t~malloc1#1.base, main_#t~malloc1#1.offset, main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~mem4#1, main_~x0~0#1.base, main_~x0~0#1.offset, main_~x1~0#1.base, main_~x1~0#1.offset, main_~x2~0#1.base, main_~x2~0#1.offset, main_~x3~0#1.base, main_~x3~0#1.offset;call main_#t~malloc0#1.base, main_#t~malloc0#1.offset := #Ultimate.allocOnStack(4);main_~x0~0#1.base, main_~x0~0#1.offset := main_#t~malloc0#1.base, main_#t~malloc0#1.offset;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnStack(4);main_~x1~0#1.base, main_~x1~0#1.offset := main_#t~malloc1#1.base, main_#t~malloc1#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~x2~0#1.base, main_~x2~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~x3~0#1.base, main_~x3~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call write~int(0, main_~x0~0#1.base, main_~x0~0#1.offset, 4);call write~int(0, main_~x1~0#1.base, main_~x1~0#1.offset, 4);call write~int(0, main_~x2~0#1.base, main_~x2~0#1.offset, 4);call write~int(0, main_~x3~0#1.base, main_~x3~0#1.offset, 4); 209#L24-2 call main_#t~mem4#1 := read~int(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 206#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 199#L16 assume !(0 == main_#t~mem5#1);havoc main_#t~mem5#1;call write~int(0, main_~x0~0#1.base, main_~x0~0#1.offset, 4);call main_#t~mem6#1 := read~int(main_~x1~0#1.base, main_~x1~0#1.offset, 4); 200#L20 [2023-11-19 08:03:04,113 INFO L750 eck$LassoCheckResult]: Loop: 200#L20 assume 0 == main_#t~mem6#1;havoc main_#t~mem6#1;call write~int(1, main_~x1~0#1.base, main_~x1~0#1.offset, 4); 203#L24-2 call main_#t~mem4#1 := read~int(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 204#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 211#L16 assume !(0 == main_#t~mem5#1);havoc main_#t~mem5#1;call write~int(0, main_~x0~0#1.base, main_~x0~0#1.offset, 4);call main_#t~mem6#1 := read~int(main_~x1~0#1.base, main_~x1~0#1.offset, 4); 200#L20 [2023-11-19 08:03:04,113 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:03:04,114 INFO L85 PathProgramCache]: Analyzing trace with hash 28695849, now seen corresponding path program 1 times [2023-11-19 08:03:04,114 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:03:04,114 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [889649279] [2023-11-19 08:03:04,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:03:04,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:03:04,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:03:04,564 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2023-11-19 08:03:04,755 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 08:03:04,756 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:03:04,757 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [889649279] [2023-11-19 08:03:04,762 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [889649279] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:03:04,762 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:03:04,762 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 08:03:04,762 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [3187737] [2023-11-19 08:03:04,763 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:03:04,765 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-19 08:03:04,766 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:03:04,767 INFO L85 PathProgramCache]: Analyzing trace with hash 1526457, now seen corresponding path program 1 times [2023-11-19 08:03:04,767 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:03:04,767 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [67828778] [2023-11-19 08:03:04,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:03:04,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:03:04,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 08:03:04,779 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 08:03:04,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 08:03:04,791 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 08:03:04,967 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:03:04,969 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 08:03:04,970 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 08:03:04,971 INFO L87 Difference]: Start difference. First operand 13 states and 18 transitions. cyclomatic complexity: 7 Second operand has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:03:05,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:03:05,018 INFO L93 Difference]: Finished difference Result 17 states and 21 transitions. [2023-11-19 08:03:05,018 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 17 states and 21 transitions. [2023-11-19 08:03:05,021 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2023-11-19 08:03:05,022 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 17 states to 15 states and 19 transitions. [2023-11-19 08:03:05,022 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2023-11-19 08:03:05,022 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2023-11-19 08:03:05,023 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 19 transitions. [2023-11-19 08:03:05,023 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-19 08:03:05,023 INFO L218 hiAutomatonCegarLoop]: Abstraction has 15 states and 19 transitions. [2023-11-19 08:03:05,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states and 19 transitions. [2023-11-19 08:03:05,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 13. [2023-11-19 08:03:05,026 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) [2023-11-19 08:03:05,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 17 transitions. [2023-11-19 08:03:05,027 INFO L240 hiAutomatonCegarLoop]: Abstraction has 13 states and 17 transitions. [2023-11-19 08:03:05,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 08:03:05,028 INFO L428 stractBuchiCegarLoop]: Abstraction has 13 states and 17 transitions. [2023-11-19 08:03:05,028 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2023-11-19 08:03:05,028 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states and 17 transitions. [2023-11-19 08:03:05,031 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2023-11-19 08:03:05,031 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 08:03:05,031 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 08:03:05,032 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1] [2023-11-19 08:03:05,032 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2023-11-19 08:03:05,032 INFO L748 eck$LassoCheckResult]: Stem: 245#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 246#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc0#1.base, main_#t~malloc0#1.offset, main_#t~malloc1#1.base, main_#t~malloc1#1.offset, main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~mem4#1, main_~x0~0#1.base, main_~x0~0#1.offset, main_~x1~0#1.base, main_~x1~0#1.offset, main_~x2~0#1.base, main_~x2~0#1.offset, main_~x3~0#1.base, main_~x3~0#1.offset;call main_#t~malloc0#1.base, main_#t~malloc0#1.offset := #Ultimate.allocOnStack(4);main_~x0~0#1.base, main_~x0~0#1.offset := main_#t~malloc0#1.base, main_#t~malloc0#1.offset;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnStack(4);main_~x1~0#1.base, main_~x1~0#1.offset := main_#t~malloc1#1.base, main_#t~malloc1#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~x2~0#1.base, main_~x2~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~x3~0#1.base, main_~x3~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call write~int(0, main_~x0~0#1.base, main_~x0~0#1.offset, 4);call write~int(0, main_~x1~0#1.base, main_~x1~0#1.offset, 4);call write~int(0, main_~x2~0#1.base, main_~x2~0#1.offset, 4);call write~int(0, main_~x3~0#1.base, main_~x3~0#1.offset, 4); 242#L24-2 call main_#t~mem4#1 := read~int(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 243#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 240#L16 assume 0 == main_#t~mem5#1;havoc main_#t~mem5#1;call write~int(1, main_~x0~0#1.base, main_~x0~0#1.offset, 4); 241#L24-2 call main_#t~mem4#1 := read~int(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 244#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 238#L16 assume !(0 == main_#t~mem5#1);havoc main_#t~mem5#1;call write~int(0, main_~x0~0#1.base, main_~x0~0#1.offset, 4);call main_#t~mem6#1 := read~int(main_~x1~0#1.base, main_~x1~0#1.offset, 4); 239#L20 [2023-11-19 08:03:05,034 INFO L750 eck$LassoCheckResult]: Loop: 239#L20 assume 0 == main_#t~mem6#1;havoc main_#t~mem6#1;call write~int(1, main_~x1~0#1.base, main_~x1~0#1.offset, 4); 247#L24-2 call main_#t~mem4#1 := read~int(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 249#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 250#L16 assume !(0 == main_#t~mem5#1);havoc main_#t~mem5#1;call write~int(0, main_~x0~0#1.base, main_~x0~0#1.offset, 4);call main_#t~mem6#1 := read~int(main_~x1~0#1.base, main_~x1~0#1.offset, 4); 239#L20 [2023-11-19 08:03:05,035 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:03:05,035 INFO L85 PathProgramCache]: Analyzing trace with hash 179493189, now seen corresponding path program 1 times [2023-11-19 08:03:05,036 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:03:05,036 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [510614133] [2023-11-19 08:03:05,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:03:05,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:03:05,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 08:03:05,067 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 08:03:05,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 08:03:05,096 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 08:03:05,097 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:03:05,097 INFO L85 PathProgramCache]: Analyzing trace with hash 1526457, now seen corresponding path program 2 times [2023-11-19 08:03:05,098 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:03:05,098 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [866697175] [2023-11-19 08:03:05,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:03:05,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:03:05,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 08:03:05,107 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 08:03:05,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 08:03:05,113 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 08:03:05,114 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:03:05,114 INFO L85 PathProgramCache]: Analyzing trace with hash 1467212285, now seen corresponding path program 1 times [2023-11-19 08:03:05,114 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:03:05,114 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1981296916] [2023-11-19 08:03:05,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:03:05,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:03:05,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:03:05,429 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 08:03:05,430 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:03:05,430 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1981296916] [2023-11-19 08:03:05,430 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1981296916] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 08:03:05,430 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [329063893] [2023-11-19 08:03:05,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:03:05,431 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:03:05,431 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:03:05,432 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 08:03:05,443 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2023-11-19 08:03:05,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:03:05,539 INFO L262 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-19 08:03:05,541 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:03:05,585 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2023-11-19 08:03:05,617 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-11-19 08:03:05,647 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2023-11-19 08:03:05,660 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 08:03:05,660 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 08:03:05,706 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 08:03:05,707 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 18 treesize of output 19 [2023-11-19 08:03:05,712 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 22 [2023-11-19 08:03:05,744 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 08:03:05,745 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [329063893] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 08:03:05,747 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-19 08:03:05,748 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5, 5] total 8 [2023-11-19 08:03:05,748 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [734023179] [2023-11-19 08:03:05,748 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-19 08:03:05,927 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:03:05,928 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-19 08:03:05,929 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=43, Unknown=2, NotChecked=0, Total=72 [2023-11-19 08:03:05,929 INFO L87 Difference]: Start difference. First operand 13 states and 17 transitions. cyclomatic complexity: 6 Second operand has 9 states, 8 states have (on average 2.0) internal successors, (16), 9 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:03:06,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:03:06,004 INFO L93 Difference]: Finished difference Result 18 states and 22 transitions. [2023-11-19 08:03:06,004 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 18 states and 22 transitions. [2023-11-19 08:03:06,005 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2023-11-19 08:03:06,006 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 18 states to 18 states and 22 transitions. [2023-11-19 08:03:06,006 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2023-11-19 08:03:06,006 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2023-11-19 08:03:06,006 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 22 transitions. [2023-11-19 08:03:06,006 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-19 08:03:06,006 INFO L218 hiAutomatonCegarLoop]: Abstraction has 18 states and 22 transitions. [2023-11-19 08:03:06,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states and 22 transitions. [2023-11-19 08:03:06,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 16. [2023-11-19 08:03:06,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 16 states have (on average 1.25) internal successors, (20), 15 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:03:06,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 20 transitions. [2023-11-19 08:03:06,013 INFO L240 hiAutomatonCegarLoop]: Abstraction has 16 states and 20 transitions. [2023-11-19 08:03:06,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-19 08:03:06,016 INFO L428 stractBuchiCegarLoop]: Abstraction has 16 states and 20 transitions. [2023-11-19 08:03:06,016 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2023-11-19 08:03:06,016 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states and 20 transitions. [2023-11-19 08:03:06,019 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2023-11-19 08:03:06,019 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 08:03:06,019 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 08:03:06,020 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1] [2023-11-19 08:03:06,020 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2023-11-19 08:03:06,020 INFO L748 eck$LassoCheckResult]: Stem: 358#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 359#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc0#1.base, main_#t~malloc0#1.offset, main_#t~malloc1#1.base, main_#t~malloc1#1.offset, main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~mem4#1, main_~x0~0#1.base, main_~x0~0#1.offset, main_~x1~0#1.base, main_~x1~0#1.offset, main_~x2~0#1.base, main_~x2~0#1.offset, main_~x3~0#1.base, main_~x3~0#1.offset;call main_#t~malloc0#1.base, main_#t~malloc0#1.offset := #Ultimate.allocOnStack(4);main_~x0~0#1.base, main_~x0~0#1.offset := main_#t~malloc0#1.base, main_#t~malloc0#1.offset;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnStack(4);main_~x1~0#1.base, main_~x1~0#1.offset := main_#t~malloc1#1.base, main_#t~malloc1#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~x2~0#1.base, main_~x2~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~x3~0#1.base, main_~x3~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call write~int(0, main_~x0~0#1.base, main_~x0~0#1.offset, 4);call write~int(0, main_~x1~0#1.base, main_~x1~0#1.offset, 4);call write~int(0, main_~x2~0#1.base, main_~x2~0#1.offset, 4);call write~int(0, main_~x3~0#1.base, main_~x3~0#1.offset, 4); 355#L24-2 call main_#t~mem4#1 := read~int(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 356#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 353#L16 assume 0 == main_#t~mem5#1;havoc main_#t~mem5#1;call write~int(1, main_~x0~0#1.base, main_~x0~0#1.offset, 4); 354#L24-2 call main_#t~mem4#1 := read~int(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 357#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 364#L16 assume !(0 == main_#t~mem5#1);havoc main_#t~mem5#1;call write~int(0, main_~x0~0#1.base, main_~x0~0#1.offset, 4);call main_#t~mem6#1 := read~int(main_~x1~0#1.base, main_~x1~0#1.offset, 4); 361#L20 [2023-11-19 08:03:06,021 INFO L750 eck$LassoCheckResult]: Loop: 361#L20 assume !(0 == main_#t~mem6#1);havoc main_#t~mem6#1;call write~int(0, main_~x1~0#1.base, main_~x1~0#1.offset, 4);call main_#t~mem7#1 := read~int(main_~x2~0#1.base, main_~x2~0#1.offset, 4); 363#L24 assume 0 == main_#t~mem7#1;havoc main_#t~mem7#1;call write~int(1, main_~x2~0#1.base, main_~x2~0#1.offset, 4); 352#L24-2 call main_#t~mem4#1 := read~int(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 365#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 366#L16 assume !(0 == main_#t~mem5#1);havoc main_#t~mem5#1;call write~int(0, main_~x0~0#1.base, main_~x0~0#1.offset, 4);call main_#t~mem6#1 := read~int(main_~x1~0#1.base, main_~x1~0#1.offset, 4); 361#L20 [2023-11-19 08:03:06,021 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:03:06,021 INFO L85 PathProgramCache]: Analyzing trace with hash 179493189, now seen corresponding path program 2 times [2023-11-19 08:03:06,021 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:03:06,022 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1988168155] [2023-11-19 08:03:06,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:03:06,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:03:06,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 08:03:06,053 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 08:03:06,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 08:03:06,074 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 08:03:06,074 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:03:06,075 INFO L85 PathProgramCache]: Analyzing trace with hash 49698504, now seen corresponding path program 1 times [2023-11-19 08:03:06,075 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:03:06,075 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [630626304] [2023-11-19 08:03:06,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:03:06,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:03:06,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 08:03:06,093 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 08:03:06,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 08:03:06,101 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 08:03:06,102 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:03:06,103 INFO L85 PathProgramCache]: Analyzing trace with hash -1758681084, now seen corresponding path program 1 times [2023-11-19 08:03:06,103 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:03:06,103 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [619052361] [2023-11-19 08:03:06,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:03:06,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:03:06,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:03:06,437 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 08:03:06,438 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:03:06,438 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [619052361] [2023-11-19 08:03:06,438 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [619052361] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 08:03:06,438 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1032806102] [2023-11-19 08:03:06,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:03:06,439 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:03:06,439 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:03:06,440 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 08:03:06,473 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2023-11-19 08:03:06,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:03:06,565 INFO L262 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 22 conjunts are in the unsatisfiable core [2023-11-19 08:03:06,569 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:03:06,586 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-11-19 08:03:06,587 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 19 [2023-11-19 08:03:06,663 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-11-19 08:03:06,701 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2023-11-19 08:03:06,735 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2023-11-19 08:03:06,761 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 08:03:06,762 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 08:03:06,839 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 08:03:06,840 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 22 [2023-11-19 08:03:06,844 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 122 treesize of output 110 [2023-11-19 08:03:06,852 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 13 [2023-11-19 08:03:06,863 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 16 [2023-11-19 08:03:06,919 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 08:03:06,919 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1032806102] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 08:03:06,919 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-19 08:03:06,919 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 6] total 14 [2023-11-19 08:03:06,920 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1288163997] [2023-11-19 08:03:06,920 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-19 08:03:07,194 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:03:07,195 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-11-19 08:03:07,195 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=135, Unknown=16, NotChecked=0, Total=210 [2023-11-19 08:03:07,195 INFO L87 Difference]: Start difference. First operand 16 states and 20 transitions. cyclomatic complexity: 6 Second operand has 15 states, 14 states have (on average 1.9285714285714286) internal successors, (27), 15 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:03:07,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:03:07,283 INFO L93 Difference]: Finished difference Result 21 states and 25 transitions. [2023-11-19 08:03:07,283 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 21 states and 25 transitions. [2023-11-19 08:03:07,284 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 11 [2023-11-19 08:03:07,284 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 21 states to 21 states and 25 transitions. [2023-11-19 08:03:07,284 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 16 [2023-11-19 08:03:07,285 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 16 [2023-11-19 08:03:07,285 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 25 transitions. [2023-11-19 08:03:07,285 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-19 08:03:07,285 INFO L218 hiAutomatonCegarLoop]: Abstraction has 21 states and 25 transitions. [2023-11-19 08:03:07,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states and 25 transitions. [2023-11-19 08:03:07,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 16. [2023-11-19 08:03:07,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 16 states have (on average 1.25) internal successors, (20), 15 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:03:07,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 20 transitions. [2023-11-19 08:03:07,288 INFO L240 hiAutomatonCegarLoop]: Abstraction has 16 states and 20 transitions. [2023-11-19 08:03:07,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-19 08:03:07,292 INFO L428 stractBuchiCegarLoop]: Abstraction has 16 states and 20 transitions. [2023-11-19 08:03:07,292 INFO L335 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2023-11-19 08:03:07,292 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states and 20 transitions. [2023-11-19 08:03:07,292 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2023-11-19 08:03:07,293 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 08:03:07,293 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 08:03:07,293 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1] [2023-11-19 08:03:07,293 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2023-11-19 08:03:07,294 INFO L748 eck$LassoCheckResult]: Stem: 489#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 490#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc0#1.base, main_#t~malloc0#1.offset, main_#t~malloc1#1.base, main_#t~malloc1#1.offset, main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~mem4#1, main_~x0~0#1.base, main_~x0~0#1.offset, main_~x1~0#1.base, main_~x1~0#1.offset, main_~x2~0#1.base, main_~x2~0#1.offset, main_~x3~0#1.base, main_~x3~0#1.offset;call main_#t~malloc0#1.base, main_#t~malloc0#1.offset := #Ultimate.allocOnStack(4);main_~x0~0#1.base, main_~x0~0#1.offset := main_#t~malloc0#1.base, main_#t~malloc0#1.offset;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnStack(4);main_~x1~0#1.base, main_~x1~0#1.offset := main_#t~malloc1#1.base, main_#t~malloc1#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~x2~0#1.base, main_~x2~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~x3~0#1.base, main_~x3~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call write~int(0, main_~x0~0#1.base, main_~x0~0#1.offset, 4);call write~int(0, main_~x1~0#1.base, main_~x1~0#1.offset, 4);call write~int(0, main_~x2~0#1.base, main_~x2~0#1.offset, 4);call write~int(0, main_~x3~0#1.base, main_~x3~0#1.offset, 4); 486#L24-2 call main_#t~mem4#1 := read~int(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 487#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 484#L16 assume 0 == main_#t~mem5#1;havoc main_#t~mem5#1;call write~int(1, main_~x0~0#1.base, main_~x0~0#1.offset, 4); 485#L24-2 call main_#t~mem4#1 := read~int(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 488#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 495#L16 assume !(0 == main_#t~mem5#1);havoc main_#t~mem5#1;call write~int(0, main_~x0~0#1.base, main_~x0~0#1.offset, 4);call main_#t~mem6#1 := read~int(main_~x1~0#1.base, main_~x1~0#1.offset, 4); 492#L20 [2023-11-19 08:03:07,294 INFO L750 eck$LassoCheckResult]: Loop: 492#L20 assume !(0 == main_#t~mem6#1);havoc main_#t~mem6#1;call write~int(0, main_~x1~0#1.base, main_~x1~0#1.offset, 4);call main_#t~mem7#1 := read~int(main_~x2~0#1.base, main_~x2~0#1.offset, 4); 494#L24 assume !(0 == main_#t~mem7#1);havoc main_#t~mem7#1;call write~int(0, main_~x2~0#1.base, main_~x2~0#1.offset, 4);call write~int(1, main_~x3~0#1.base, main_~x3~0#1.offset, 4); 483#L24-2 call main_#t~mem4#1 := read~int(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 496#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 497#L16 assume !(0 == main_#t~mem5#1);havoc main_#t~mem5#1;call write~int(0, main_~x0~0#1.base, main_~x0~0#1.offset, 4);call main_#t~mem6#1 := read~int(main_~x1~0#1.base, main_~x1~0#1.offset, 4); 492#L20 [2023-11-19 08:03:07,294 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:03:07,294 INFO L85 PathProgramCache]: Analyzing trace with hash 179493189, now seen corresponding path program 3 times [2023-11-19 08:03:07,294 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:03:07,295 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [910325344] [2023-11-19 08:03:07,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:03:07,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:03:07,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 08:03:07,320 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 08:03:07,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 08:03:07,337 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 08:03:07,338 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:03:07,338 INFO L85 PathProgramCache]: Analyzing trace with hash 49758086, now seen corresponding path program 1 times [2023-11-19 08:03:07,338 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:03:07,338 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [570610820] [2023-11-19 08:03:07,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:03:07,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:03:07,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:03:07,379 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 08:03:07,379 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:03:07,379 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [570610820] [2023-11-19 08:03:07,379 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [570610820] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:03:07,380 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:03:07,380 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 08:03:07,380 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1997345356] [2023-11-19 08:03:07,380 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:03:07,380 INFO L765 eck$LassoCheckResult]: loop already infeasible [2023-11-19 08:03:07,381 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:03:07,381 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 08:03:07,381 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 08:03:07,381 INFO L87 Difference]: Start difference. First operand 16 states and 20 transitions. cyclomatic complexity: 6 Second operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:03:07,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:03:07,411 INFO L93 Difference]: Finished difference Result 18 states and 21 transitions. [2023-11-19 08:03:07,411 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 18 states and 21 transitions. [2023-11-19 08:03:07,413 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2023-11-19 08:03:07,415 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 18 states to 16 states and 19 transitions. [2023-11-19 08:03:07,415 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2023-11-19 08:03:07,416 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2023-11-19 08:03:07,416 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 19 transitions. [2023-11-19 08:03:07,416 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-19 08:03:07,416 INFO L218 hiAutomatonCegarLoop]: Abstraction has 16 states and 19 transitions. [2023-11-19 08:03:07,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states and 19 transitions. [2023-11-19 08:03:07,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2023-11-19 08:03:07,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 16 states have (on average 1.1875) internal successors, (19), 15 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:03:07,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 19 transitions. [2023-11-19 08:03:07,419 INFO L240 hiAutomatonCegarLoop]: Abstraction has 16 states and 19 transitions. [2023-11-19 08:03:07,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 08:03:07,422 INFO L428 stractBuchiCegarLoop]: Abstraction has 16 states and 19 transitions. [2023-11-19 08:03:07,422 INFO L335 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2023-11-19 08:03:07,422 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states and 19 transitions. [2023-11-19 08:03:07,424 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2023-11-19 08:03:07,424 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 08:03:07,424 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 08:03:07,425 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1] [2023-11-19 08:03:07,425 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [2, 2, 1, 1, 1] [2023-11-19 08:03:07,425 INFO L748 eck$LassoCheckResult]: Stem: 532#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 533#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc0#1.base, main_#t~malloc0#1.offset, main_#t~malloc1#1.base, main_#t~malloc1#1.offset, main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~mem4#1, main_~x0~0#1.base, main_~x0~0#1.offset, main_~x1~0#1.base, main_~x1~0#1.offset, main_~x2~0#1.base, main_~x2~0#1.offset, main_~x3~0#1.base, main_~x3~0#1.offset;call main_#t~malloc0#1.base, main_#t~malloc0#1.offset := #Ultimate.allocOnStack(4);main_~x0~0#1.base, main_~x0~0#1.offset := main_#t~malloc0#1.base, main_#t~malloc0#1.offset;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnStack(4);main_~x1~0#1.base, main_~x1~0#1.offset := main_#t~malloc1#1.base, main_#t~malloc1#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~x2~0#1.base, main_~x2~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~x3~0#1.base, main_~x3~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call write~int(0, main_~x0~0#1.base, main_~x0~0#1.offset, 4);call write~int(0, main_~x1~0#1.base, main_~x1~0#1.offset, 4);call write~int(0, main_~x2~0#1.base, main_~x2~0#1.offset, 4);call write~int(0, main_~x3~0#1.base, main_~x3~0#1.offset, 4); 535#L24-2 call main_#t~mem4#1 := read~int(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 530#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 527#L16 assume 0 == main_#t~mem5#1;havoc main_#t~mem5#1;call write~int(1, main_~x0~0#1.base, main_~x0~0#1.offset, 4); 528#L24-2 call main_#t~mem4#1 := read~int(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 531#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 534#L16 assume !(0 == main_#t~mem5#1);havoc main_#t~mem5#1;call write~int(0, main_~x0~0#1.base, main_~x0~0#1.offset, 4);call main_#t~mem6#1 := read~int(main_~x1~0#1.base, main_~x1~0#1.offset, 4); 536#L20 [2023-11-19 08:03:07,425 INFO L750 eck$LassoCheckResult]: Loop: 536#L20 assume 0 == main_#t~mem6#1;havoc main_#t~mem6#1;call write~int(1, main_~x1~0#1.base, main_~x1~0#1.offset, 4); 537#L24-2 call main_#t~mem4#1 := read~int(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 539#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 525#L16 assume 0 == main_#t~mem5#1;havoc main_#t~mem5#1;call write~int(1, main_~x0~0#1.base, main_~x0~0#1.offset, 4); 526#L24-2 call main_#t~mem4#1 := read~int(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 529#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 540#L16 assume !(0 == main_#t~mem5#1);havoc main_#t~mem5#1;call write~int(0, main_~x0~0#1.base, main_~x0~0#1.offset, 4);call main_#t~mem6#1 := read~int(main_~x1~0#1.base, main_~x1~0#1.offset, 4); 536#L20 [2023-11-19 08:03:07,426 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:03:07,426 INFO L85 PathProgramCache]: Analyzing trace with hash 179493189, now seen corresponding path program 4 times [2023-11-19 08:03:07,426 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:03:07,426 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1315580010] [2023-11-19 08:03:07,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:03:07,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:03:07,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 08:03:07,451 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 08:03:07,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 08:03:07,468 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 08:03:07,469 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:03:07,469 INFO L85 PathProgramCache]: Analyzing trace with hash -1770012235, now seen corresponding path program 1 times [2023-11-19 08:03:07,469 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:03:07,469 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [951471612] [2023-11-19 08:03:07,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:03:07,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:03:07,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 08:03:07,483 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 08:03:07,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 08:03:07,494 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 08:03:07,497 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:03:07,497 INFO L85 PathProgramCache]: Analyzing trace with hash -161041423, now seen corresponding path program 2 times [2023-11-19 08:03:07,497 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:03:07,497 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1630674615] [2023-11-19 08:03:07,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:03:07,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:03:07,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 08:03:07,534 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 08:03:07,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 08:03:07,551 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 08:03:09,772 INFO L210 LassoAnalysis]: Preferences: [2023-11-19 08:03:09,772 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-19 08:03:09,773 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-19 08:03:09,773 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-19 08:03:09,773 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-19 08:03:09,773 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 08:03:09,773 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-19 08:03:09,773 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-19 08:03:09,773 INFO L133 ssoRankerPreferences]: Filename of dumped script: 4BitCounterPointer.c_Iteration6_Lasso [2023-11-19 08:03:09,773 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-19 08:03:09,774 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-19 08:03:09,777 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 08:03:09,780 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 08:03:09,783 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 08:03:09,791 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 08:03:09,793 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 08:03:09,797 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 08:03:09,800 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 08:03:09,802 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 08:03:09,804 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 08:03:11,119 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-19 08:03:11,119 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-19 08:03:11,120 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 08:03:11,120 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:03:11,122 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 08:03:11,133 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2023-11-19 08:03:11,133 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 08:03:11,146 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 08:03:11,147 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 08:03:11,147 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 08:03:11,147 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 08:03:11,147 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 08:03:11,148 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 08:03:11,148 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 08:03:11,168 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 08:03:11,192 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2023-11-19 08:03:11,193 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 08:03:11,193 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:03:11,194 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 08:03:11,196 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2023-11-19 08:03:11,197 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 08:03:11,210 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 08:03:11,210 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 08:03:11,210 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 08:03:11,210 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 08:03:11,214 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 08:03:11,214 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 08:03:11,232 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 08:03:11,251 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2023-11-19 08:03:11,251 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 08:03:11,252 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:03:11,253 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 08:03:11,257 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 08:03:11,270 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 08:03:11,270 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 08:03:11,270 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 08:03:11,271 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 08:03:11,272 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2023-11-19 08:03:11,273 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 08:03:11,273 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 08:03:11,288 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 08:03:11,312 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2023-11-19 08:03:11,312 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 08:03:11,312 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:03:11,313 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 08:03:11,317 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 08:03:11,330 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 08:03:11,330 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 08:03:11,331 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 08:03:11,331 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 08:03:11,331 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 08:03:11,331 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 08:03:11,332 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 08:03:11,332 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2023-11-19 08:03:11,345 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 08:03:11,368 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2023-11-19 08:03:11,368 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 08:03:11,369 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:03:11,370 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 08:03:11,373 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 08:03:11,387 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 08:03:11,387 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 08:03:11,387 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 08:03:11,387 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 08:03:11,389 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 08:03:11,390 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 08:03:11,390 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2023-11-19 08:03:11,408 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 08:03:11,431 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2023-11-19 08:03:11,431 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 08:03:11,431 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:03:11,432 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 08:03:11,437 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 08:03:11,449 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 08:03:11,449 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 08:03:11,449 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 08:03:11,449 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 08:03:11,451 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 08:03:11,451 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 08:03:11,452 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2023-11-19 08:03:11,468 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 08:03:11,491 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2023-11-19 08:03:11,491 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 08:03:11,492 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:03:11,493 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 08:03:11,498 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 08:03:11,511 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 08:03:11,511 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 08:03:11,511 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 08:03:11,511 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 08:03:11,511 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 08:03:11,513 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 08:03:11,513 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 08:03:11,514 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2023-11-19 08:03:11,524 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 08:03:11,548 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2023-11-19 08:03:11,549 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 08:03:11,550 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:03:11,551 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 08:03:11,560 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 08:03:11,573 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2023-11-19 08:03:11,574 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 08:03:11,574 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 08:03:11,574 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 08:03:11,574 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 08:03:11,574 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 08:03:11,575 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 08:03:11,575 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 08:03:11,588 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 08:03:11,607 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2023-11-19 08:03:11,608 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 08:03:11,608 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:03:11,610 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 08:03:11,613 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 08:03:11,626 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 08:03:11,626 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 08:03:11,626 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 08:03:11,626 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 08:03:11,638 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2023-11-19 08:03:11,639 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 08:03:11,640 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 08:03:11,651 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 08:03:11,664 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Ended with exit code 0 [2023-11-19 08:03:11,665 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 08:03:11,665 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:03:11,666 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 08:03:11,667 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2023-11-19 08:03:11,668 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 08:03:11,679 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 08:03:11,679 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 08:03:11,679 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 08:03:11,679 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 08:03:11,682 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 08:03:11,682 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 08:03:11,691 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 08:03:11,715 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2023-11-19 08:03:11,715 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 08:03:11,715 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:03:11,716 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 08:03:11,721 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 08:03:11,733 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 08:03:11,733 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 08:03:11,733 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 08:03:11,733 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 08:03:11,735 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2023-11-19 08:03:11,736 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 08:03:11,736 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 08:03:11,752 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 08:03:11,775 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2023-11-19 08:03:11,775 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 08:03:11,775 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:03:11,776 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 08:03:11,781 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 08:03:11,793 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 08:03:11,793 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 08:03:11,793 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 08:03:11,793 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 08:03:11,795 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2023-11-19 08:03:11,796 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 08:03:11,797 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 08:03:11,816 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 08:03:11,836 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2023-11-19 08:03:11,837 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 08:03:11,837 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:03:11,838 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 08:03:11,841 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 08:03:11,853 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 08:03:11,853 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 08:03:11,853 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 08:03:11,853 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 08:03:11,855 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2023-11-19 08:03:11,856 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 08:03:11,856 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 08:03:11,872 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 08:03:11,895 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2023-11-19 08:03:11,896 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 08:03:11,896 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:03:11,899 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 08:03:11,902 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2023-11-19 08:03:11,903 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 08:03:11,913 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 08:03:11,913 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 08:03:11,913 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 08:03:11,913 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 08:03:11,915 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 08:03:11,915 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 08:03:11,919 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 08:03:11,930 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Ended with exit code 0 [2023-11-19 08:03:11,931 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 08:03:11,931 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:03:11,932 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 08:03:11,933 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2023-11-19 08:03:11,933 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 08:03:11,943 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 08:03:11,944 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 08:03:11,944 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 08:03:11,944 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 08:03:11,952 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 08:03:11,971 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 08:03:11,987 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 08:03:12,005 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2023-11-19 08:03:12,005 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 08:03:12,005 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:03:12,006 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 08:03:12,007 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2023-11-19 08:03:12,008 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 08:03:12,018 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 08:03:12,018 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 08:03:12,019 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 08:03:12,019 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 08:03:12,020 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 08:03:12,020 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 08:03:12,024 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 08:03:12,035 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Ended with exit code 0 [2023-11-19 08:03:12,035 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 08:03:12,036 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:03:12,036 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 08:03:12,038 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2023-11-19 08:03:12,039 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 08:03:12,049 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 08:03:12,050 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 08:03:12,050 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 08:03:12,050 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 08:03:12,051 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 08:03:12,051 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 08:03:12,062 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 08:03:12,085 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2023-11-19 08:03:12,085 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 08:03:12,086 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:03:12,087 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 08:03:12,093 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 08:03:12,105 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 08:03:12,105 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 08:03:12,105 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 08:03:12,105 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 08:03:12,107 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 08:03:12,107 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 08:03:12,108 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2023-11-19 08:03:12,124 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 08:03:12,147 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2023-11-19 08:03:12,148 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 08:03:12,148 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:03:12,149 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 08:03:12,151 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 08:03:12,164 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 08:03:12,164 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 08:03:12,164 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 08:03:12,164 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 08:03:12,165 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2023-11-19 08:03:12,168 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 08:03:12,168 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 08:03:12,184 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 08:03:12,207 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2023-11-19 08:03:12,208 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 08:03:12,208 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:03:12,210 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 08:03:12,212 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 08:03:12,224 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 08:03:12,225 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 08:03:12,225 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 08:03:12,225 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 08:03:12,226 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2023-11-19 08:03:12,227 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 08:03:12,227 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 08:03:12,244 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 08:03:12,259 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2023-11-19 08:03:12,259 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 08:03:12,260 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:03:12,260 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 08:03:12,262 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2023-11-19 08:03:12,262 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 08:03:12,272 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 08:03:12,272 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 08:03:12,272 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 08:03:12,273 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 08:03:12,273 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 08:03:12,273 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 08:03:12,273 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 08:03:12,275 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 08:03:12,289 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2023-11-19 08:03:12,289 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 08:03:12,289 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:03:12,290 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 08:03:12,292 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 08:03:12,292 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2023-11-19 08:03:12,302 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 08:03:12,302 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 08:03:12,302 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 08:03:12,302 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 08:03:12,302 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 08:03:12,303 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 08:03:12,303 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 08:03:12,304 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 08:03:12,317 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Ended with exit code 0 [2023-11-19 08:03:12,318 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 08:03:12,318 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:03:12,319 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 08:03:12,320 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2023-11-19 08:03:12,321 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 08:03:12,332 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 08:03:12,332 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 08:03:12,332 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 08:03:12,332 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 08:03:12,341 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 08:03:12,341 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 08:03:12,360 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-19 08:03:12,376 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2023-11-19 08:03:12,376 INFO L444 ModelExtractionUtils]: 6 out of 13 variables were initially zero. Simplification set additionally 4 variables to zero. [2023-11-19 08:03:12,376 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 08:03:12,377 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:03:12,386 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 08:03:12,387 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-19 08:03:12,388 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2023-11-19 08:03:12,398 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-11-19 08:03:12,398 INFO L513 LassoAnalysis]: Proved termination. [2023-11-19 08:03:12,398 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_#t~mem6#1) = -2*ULTIMATE.start_main_#t~mem6#1 + 1 Supporting invariants [] [2023-11-19 08:03:12,417 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Ended with exit code 0 [2023-11-19 08:03:12,595 INFO L156 tatePredicateManager]: 37 out of 37 supporting invariants were superfluous and have been removed [2023-11-19 08:03:12,597 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem6 could not be translated [2023-11-19 08:03:12,609 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:03:12,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:03:12,643 INFO L262 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 08:03:12,643 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:03:12,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:03:12,671 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-19 08:03:12,673 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:03:12,688 INFO L378 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 15 treesize of output 1 [2023-11-19 08:03:12,750 INFO L349 Elim1Store]: treesize reduction 27, result has 38.6 percent of original size [2023-11-19 08:03:12,750 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 30 [2023-11-19 08:03:12,819 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 08:03:12,820 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 4 loop predicates [2023-11-19 08:03:12,820 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 16 states and 19 transitions. cyclomatic complexity: 5 Second operand has 5 states, 5 states have (on average 2.6) internal successors, (13), 5 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:03:12,886 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 16 states and 19 transitions. cyclomatic complexity: 5. Second operand has 5 states, 5 states have (on average 2.6) internal successors, (13), 5 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 39 states and 48 transitions. Complement of second has 12 states. [2023-11-19 08:03:12,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 7 states 1 stem states 4 non-accepting loop states 1 accepting loop states [2023-11-19 08:03:12,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 2.6) internal successors, (13), 5 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:03:12,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 21 transitions. [2023-11-19 08:03:12,888 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 21 transitions. Stem has 8 letters. Loop has 7 letters. [2023-11-19 08:03:12,889 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 08:03:12,889 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 21 transitions. Stem has 15 letters. Loop has 7 letters. [2023-11-19 08:03:12,890 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 08:03:12,890 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 21 transitions. Stem has 8 letters. Loop has 14 letters. [2023-11-19 08:03:12,890 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 08:03:12,890 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 39 states and 48 transitions. [2023-11-19 08:03:12,891 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2023-11-19 08:03:12,892 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 39 states to 25 states and 30 transitions. [2023-11-19 08:03:12,892 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14 [2023-11-19 08:03:12,893 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 15 [2023-11-19 08:03:12,893 INFO L73 IsDeterministic]: Start isDeterministic. Operand 25 states and 30 transitions. [2023-11-19 08:03:12,893 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-19 08:03:12,893 INFO L218 hiAutomatonCegarLoop]: Abstraction has 25 states and 30 transitions. [2023-11-19 08:03:12,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states and 30 transitions. [2023-11-19 08:03:12,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 24. [2023-11-19 08:03:12,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 24 states have (on average 1.2083333333333333) internal successors, (29), 23 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:03:12,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 29 transitions. [2023-11-19 08:03:12,896 INFO L240 hiAutomatonCegarLoop]: Abstraction has 24 states and 29 transitions. [2023-11-19 08:03:12,897 INFO L428 stractBuchiCegarLoop]: Abstraction has 24 states and 29 transitions. [2023-11-19 08:03:12,897 INFO L335 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2023-11-19 08:03:12,897 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 24 states and 29 transitions. [2023-11-19 08:03:12,897 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2023-11-19 08:03:12,898 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 08:03:12,898 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 08:03:12,898 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1] [2023-11-19 08:03:12,899 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [2, 2, 1, 1, 1, 1] [2023-11-19 08:03:12,899 INFO L748 eck$LassoCheckResult]: Stem: 814#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 815#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc0#1.base, main_#t~malloc0#1.offset, main_#t~malloc1#1.base, main_#t~malloc1#1.offset, main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~mem4#1, main_~x0~0#1.base, main_~x0~0#1.offset, main_~x1~0#1.base, main_~x1~0#1.offset, main_~x2~0#1.base, main_~x2~0#1.offset, main_~x3~0#1.base, main_~x3~0#1.offset;call main_#t~malloc0#1.base, main_#t~malloc0#1.offset := #Ultimate.allocOnStack(4);main_~x0~0#1.base, main_~x0~0#1.offset := main_#t~malloc0#1.base, main_#t~malloc0#1.offset;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnStack(4);main_~x1~0#1.base, main_~x1~0#1.offset := main_#t~malloc1#1.base, main_#t~malloc1#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~x2~0#1.base, main_~x2~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~x3~0#1.base, main_~x3~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call write~int(0, main_~x0~0#1.base, main_~x0~0#1.offset, 4);call write~int(0, main_~x1~0#1.base, main_~x1~0#1.offset, 4);call write~int(0, main_~x2~0#1.base, main_~x2~0#1.offset, 4);call write~int(0, main_~x3~0#1.base, main_~x3~0#1.offset, 4); 816#L24-2 call main_#t~mem4#1 := read~int(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 812#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 808#L16 assume 0 == main_#t~mem5#1;havoc main_#t~mem5#1;call write~int(1, main_~x0~0#1.base, main_~x0~0#1.offset, 4); 809#L24-2 call main_#t~mem4#1 := read~int(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 813#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 825#L16 assume !(0 == main_#t~mem5#1);havoc main_#t~mem5#1;call write~int(0, main_~x0~0#1.base, main_~x0~0#1.offset, 4);call main_#t~mem6#1 := read~int(main_~x1~0#1.base, main_~x1~0#1.offset, 4); 826#L20 assume !(0 == main_#t~mem6#1);havoc main_#t~mem6#1;call write~int(0, main_~x1~0#1.base, main_~x1~0#1.offset, 4);call main_#t~mem7#1 := read~int(main_~x2~0#1.base, main_~x2~0#1.offset, 4); 818#L24 [2023-11-19 08:03:12,899 INFO L750 eck$LassoCheckResult]: Loop: 818#L24 assume 0 == main_#t~mem7#1;havoc main_#t~mem7#1;call write~int(1, main_~x2~0#1.base, main_~x2~0#1.offset, 4); 810#L24-2 call main_#t~mem4#1 := read~int(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 811#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 806#L16 assume 0 == main_#t~mem5#1;havoc main_#t~mem5#1;call write~int(1, main_~x0~0#1.base, main_~x0~0#1.offset, 4); 807#L24-2 call main_#t~mem4#1 := read~int(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 828#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 829#L16 assume !(0 == main_#t~mem5#1);havoc main_#t~mem5#1;call write~int(0, main_~x0~0#1.base, main_~x0~0#1.offset, 4);call main_#t~mem6#1 := read~int(main_~x1~0#1.base, main_~x1~0#1.offset, 4); 817#L20 assume !(0 == main_#t~mem6#1);havoc main_#t~mem6#1;call write~int(0, main_~x1~0#1.base, main_~x1~0#1.offset, 4);call main_#t~mem7#1 := read~int(main_~x2~0#1.base, main_~x2~0#1.offset, 4); 818#L24 [2023-11-19 08:03:12,899 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:03:12,900 INFO L85 PathProgramCache]: Analyzing trace with hash 1269321585, now seen corresponding path program 1 times [2023-11-19 08:03:12,900 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:03:12,900 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1327834805] [2023-11-19 08:03:12,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:03:12,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:03:12,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:03:13,148 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Ended with exit code 0 [2023-11-19 08:03:13,294 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 08:03:13,294 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:03:13,294 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1327834805] [2023-11-19 08:03:13,295 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1327834805] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 08:03:13,295 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [871719290] [2023-11-19 08:03:13,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:03:13,295 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:03:13,296 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:03:13,297 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 08:03:13,312 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (45)] Waiting until timeout for monitored process [2023-11-19 08:03:13,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:03:13,389 INFO L262 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 26 conjunts are in the unsatisfiable core [2023-11-19 08:03:13,392 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:03:13,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 08:03:13,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 08:03:13,423 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 42 [2023-11-19 08:03:13,440 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 86 treesize of output 79 [2023-11-19 08:03:13,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 08:03:13,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 08:03:13,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 08:03:13,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 08:03:13,461 INFO L349 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2023-11-19 08:03:13,461 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 24 treesize of output 18 [2023-11-19 08:03:13,498 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-19 08:03:13,508 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-19 08:03:13,514 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-19 08:03:13,520 WARN L876 $PredicateComparison]: unable to prove that (and (not (= |c_ULTIMATE.start_main_~x0~0#1.base| |c_ULTIMATE.start_main_~x1~0#1.base|)) (exists ((v_DerPreprocessor_1 (Array Int Int)) (|ULTIMATE.start_main_#t~malloc3#1.base| Int) (v_DerPreprocessor_3 (Array Int Int)) (v_DerPreprocessor_2 (Array Int Int)) (|ULTIMATE.start_main_~x0~0#1.offset| Int) (v_arrayElimArr_4 (Array Int Int)) (|ULTIMATE.start_main_#t~malloc2#1.base| Int)) (and (not (= |ULTIMATE.start_main_#t~malloc3#1.base| |c_ULTIMATE.start_main_~x0~0#1.base|)) (not (= |ULTIMATE.start_main_#t~malloc3#1.base| |c_ULTIMATE.start_main_~x1~0#1.base|)) (not (= |ULTIMATE.start_main_#t~malloc2#1.base| |c_ULTIMATE.start_main_~x0~0#1.base|)) (not (= |ULTIMATE.start_main_#t~malloc3#1.base| |ULTIMATE.start_main_#t~malloc2#1.base|)) (= (select v_arrayElimArr_4 |ULTIMATE.start_main_~x0~0#1.offset|) 0) (not (= |ULTIMATE.start_main_#t~malloc2#1.base| |c_ULTIMATE.start_main_~x1~0#1.base|)) (= (select |c_#memory_int| |c_ULTIMATE.start_main_~x1~0#1.base|) (store (select (store (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~x1~0#1.base| v_DerPreprocessor_1) |ULTIMATE.start_main_#t~malloc2#1.base| v_DerPreprocessor_2) |ULTIMATE.start_main_#t~malloc3#1.base| v_DerPreprocessor_3) |c_ULTIMATE.start_main_~x0~0#1.base| v_arrayElimArr_4) |c_ULTIMATE.start_main_~x1~0#1.base|) |c_ULTIMATE.start_main_~x1~0#1.offset| 0))))) is different from true [2023-11-19 08:03:13,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 08:03:13,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 08:03:13,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 08:03:13,600 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 12 [2023-11-19 08:03:13,607 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2023-11-19 08:03:13,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 08:03:13,640 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2023-11-19 08:03:13,649 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 3 not checked. [2023-11-19 08:03:13,649 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 08:03:13,733 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 08:03:13,734 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [871719290] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-19 08:03:13,734 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-11-19 08:03:13,734 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6, 4] total 10 [2023-11-19 08:03:13,735 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1240952266] [2023-11-19 08:03:13,735 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:03:13,735 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-19 08:03:13,736 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:03:13,736 INFO L85 PathProgramCache]: Analyzing trace with hash 1088312668, now seen corresponding path program 1 times [2023-11-19 08:03:13,736 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:03:13,736 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1961327386] [2023-11-19 08:03:13,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:03:13,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:03:13,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 08:03:13,754 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 08:03:13,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 08:03:13,764 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 08:03:14,195 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:03:14,196 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 08:03:14,196 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=62, Unknown=5, NotChecked=16, Total=110 [2023-11-19 08:03:14,196 INFO L87 Difference]: Start difference. First operand 24 states and 29 transitions. cyclomatic complexity: 8 Second operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:03:14,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:03:14,235 INFO L93 Difference]: Finished difference Result 24 states and 28 transitions. [2023-11-19 08:03:14,235 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 24 states and 28 transitions. [2023-11-19 08:03:14,236 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2023-11-19 08:03:14,236 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 24 states to 24 states and 28 transitions. [2023-11-19 08:03:14,237 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14 [2023-11-19 08:03:14,237 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14 [2023-11-19 08:03:14,237 INFO L73 IsDeterministic]: Start isDeterministic. Operand 24 states and 28 transitions. [2023-11-19 08:03:14,237 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-19 08:03:14,237 INFO L218 hiAutomatonCegarLoop]: Abstraction has 24 states and 28 transitions. [2023-11-19 08:03:14,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states and 28 transitions. [2023-11-19 08:03:14,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2023-11-19 08:03:14,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 24 states have (on average 1.1666666666666667) internal successors, (28), 23 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:03:14,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 28 transitions. [2023-11-19 08:03:14,240 INFO L240 hiAutomatonCegarLoop]: Abstraction has 24 states and 28 transitions. [2023-11-19 08:03:14,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 08:03:14,241 INFO L428 stractBuchiCegarLoop]: Abstraction has 24 states and 28 transitions. [2023-11-19 08:03:14,241 INFO L335 stractBuchiCegarLoop]: ======== Iteration 8 ============ [2023-11-19 08:03:14,241 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 24 states and 28 transitions. [2023-11-19 08:03:14,242 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2023-11-19 08:03:14,242 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 08:03:14,242 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 08:03:14,243 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [4, 4, 2, 2, 1, 1, 1, 1] [2023-11-19 08:03:14,243 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [2, 2, 1, 1, 1, 1] [2023-11-19 08:03:14,243 INFO L748 eck$LassoCheckResult]: Stem: 924#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 925#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc0#1.base, main_#t~malloc0#1.offset, main_#t~malloc1#1.base, main_#t~malloc1#1.offset, main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~mem4#1, main_~x0~0#1.base, main_~x0~0#1.offset, main_~x1~0#1.base, main_~x1~0#1.offset, main_~x2~0#1.base, main_~x2~0#1.offset, main_~x3~0#1.base, main_~x3~0#1.offset;call main_#t~malloc0#1.base, main_#t~malloc0#1.offset := #Ultimate.allocOnStack(4);main_~x0~0#1.base, main_~x0~0#1.offset := main_#t~malloc0#1.base, main_#t~malloc0#1.offset;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnStack(4);main_~x1~0#1.base, main_~x1~0#1.offset := main_#t~malloc1#1.base, main_#t~malloc1#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~x2~0#1.base, main_~x2~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~x3~0#1.base, main_~x3~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call write~int(0, main_~x0~0#1.base, main_~x0~0#1.offset, 4);call write~int(0, main_~x1~0#1.base, main_~x1~0#1.offset, 4);call write~int(0, main_~x2~0#1.base, main_~x2~0#1.offset, 4);call write~int(0, main_~x3~0#1.base, main_~x3~0#1.offset, 4); 927#L24-2 call main_#t~mem4#1 := read~int(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 926#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 918#L16 assume 0 == main_#t~mem5#1;havoc main_#t~mem5#1;call write~int(1, main_~x0~0#1.base, main_~x0~0#1.offset, 4); 919#L24-2 call main_#t~mem4#1 := read~int(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 936#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 933#L16 assume !(0 == main_#t~mem5#1);havoc main_#t~mem5#1;call write~int(0, main_~x0~0#1.base, main_~x0~0#1.offset, 4);call main_#t~mem6#1 := read~int(main_~x1~0#1.base, main_~x1~0#1.offset, 4); 928#L20 assume 0 == main_#t~mem6#1;havoc main_#t~mem6#1;call write~int(1, main_~x1~0#1.base, main_~x1~0#1.offset, 4); 922#L24-2 call main_#t~mem4#1 := read~int(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 923#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 939#L16 assume 0 == main_#t~mem5#1;havoc main_#t~mem5#1;call write~int(1, main_~x0~0#1.base, main_~x0~0#1.offset, 4); 938#L24-2 call main_#t~mem4#1 := read~int(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 935#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 932#L16 assume !(0 == main_#t~mem5#1);havoc main_#t~mem5#1;call write~int(0, main_~x0~0#1.base, main_~x0~0#1.offset, 4);call main_#t~mem6#1 := read~int(main_~x1~0#1.base, main_~x1~0#1.offset, 4); 929#L20 assume !(0 == main_#t~mem6#1);havoc main_#t~mem6#1;call write~int(0, main_~x1~0#1.base, main_~x1~0#1.offset, 4);call main_#t~mem7#1 := read~int(main_~x2~0#1.base, main_~x2~0#1.offset, 4); 930#L24 [2023-11-19 08:03:14,243 INFO L750 eck$LassoCheckResult]: Loop: 930#L24 assume 0 == main_#t~mem7#1;havoc main_#t~mem7#1;call write~int(1, main_~x2~0#1.base, main_~x2~0#1.offset, 4); 920#L24-2 call main_#t~mem4#1 := read~int(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 921#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 916#L16 assume 0 == main_#t~mem5#1;havoc main_#t~mem5#1;call write~int(1, main_~x0~0#1.base, main_~x0~0#1.offset, 4); 917#L24-2 call main_#t~mem4#1 := read~int(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 937#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 934#L16 assume !(0 == main_#t~mem5#1);havoc main_#t~mem5#1;call write~int(0, main_~x0~0#1.base, main_~x0~0#1.offset, 4);call main_#t~mem6#1 := read~int(main_~x1~0#1.base, main_~x1~0#1.offset, 4); 931#L20 assume !(0 == main_#t~mem6#1);havoc main_#t~mem6#1;call write~int(0, main_~x1~0#1.base, main_~x1~0#1.offset, 4);call main_#t~mem7#1 := read~int(main_~x2~0#1.base, main_~x2~0#1.offset, 4); 930#L24 [2023-11-19 08:03:14,244 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:03:14,244 INFO L85 PathProgramCache]: Analyzing trace with hash -697316795, now seen corresponding path program 1 times [2023-11-19 08:03:14,244 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:03:14,244 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1717392444] [2023-11-19 08:03:14,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:03:14,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:03:14,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 08:03:14,298 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 08:03:14,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 08:03:14,315 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 08:03:14,315 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:03:14,316 INFO L85 PathProgramCache]: Analyzing trace with hash 1088312668, now seen corresponding path program 2 times [2023-11-19 08:03:14,316 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:03:14,316 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [96552409] [2023-11-19 08:03:14,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:03:14,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:03:14,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 08:03:14,325 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 08:03:14,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 08:03:14,332 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 08:03:14,333 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:03:14,333 INFO L85 PathProgramCache]: Analyzing trace with hash -1710122080, now seen corresponding path program 1 times [2023-11-19 08:03:14,333 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:03:14,334 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [121827173] [2023-11-19 08:03:14,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:03:14,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:03:14,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:03:14,763 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 30 proven. 5 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-11-19 08:03:14,763 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:03:14,763 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [121827173] [2023-11-19 08:03:14,764 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [121827173] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 08:03:14,764 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1572465177] [2023-11-19 08:03:14,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:03:14,764 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:03:14,765 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:03:14,766 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 08:03:14,784 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (46)] Waiting until timeout for monitored process [2023-11-19 08:03:14,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:03:14,885 INFO L262 TraceCheckSpWp]: Trace formula consists of 301 conjuncts, 24 conjunts are in the unsatisfiable core [2023-11-19 08:03:14,888 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:03:14,898 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-11-19 08:03:14,898 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 19 [2023-11-19 08:03:15,039 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-11-19 08:03:15,067 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2023-11-19 08:03:15,098 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2023-11-19 08:03:15,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 08:03:15,127 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2023-11-19 08:03:15,140 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-11-19 08:03:15,141 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 08:03:15,233 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 08:03:15,233 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 22 [2023-11-19 08:03:15,238 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 122 treesize of output 110 [2023-11-19 08:03:15,249 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 20 [2023-11-19 08:03:15,331 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 2 refuted. 24 times theorem prover too weak. 22 trivial. 0 not checked. [2023-11-19 08:03:15,331 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1572465177] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 08:03:15,331 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-19 08:03:15,331 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 12 [2023-11-19 08:03:15,333 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [863859065] [2023-11-19 08:03:15,333 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-19 08:03:15,782 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:03:15,782 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-19 08:03:15,782 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=100, Unknown=12, NotChecked=0, Total=156 [2023-11-19 08:03:15,783 INFO L87 Difference]: Start difference. First operand 24 states and 28 transitions. cyclomatic complexity: 7 Second operand has 13 states, 12 states have (on average 3.0833333333333335) internal successors, (37), 13 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:03:15,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:03:15,859 INFO L93 Difference]: Finished difference Result 31 states and 36 transitions. [2023-11-19 08:03:15,859 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 31 states and 36 transitions. [2023-11-19 08:03:15,860 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 15 [2023-11-19 08:03:15,860 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 31 states to 31 states and 36 transitions. [2023-11-19 08:03:15,861 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 21 [2023-11-19 08:03:15,861 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 21 [2023-11-19 08:03:15,861 INFO L73 IsDeterministic]: Start isDeterministic. Operand 31 states and 36 transitions. [2023-11-19 08:03:15,861 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-19 08:03:15,861 INFO L218 hiAutomatonCegarLoop]: Abstraction has 31 states and 36 transitions. [2023-11-19 08:03:15,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states and 36 transitions. [2023-11-19 08:03:15,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2023-11-19 08:03:15,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 31 states have (on average 1.1612903225806452) internal successors, (36), 30 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) [2023-11-19 08:03:15,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 36 transitions. [2023-11-19 08:03:15,864 INFO L240 hiAutomatonCegarLoop]: Abstraction has 31 states and 36 transitions. [2023-11-19 08:03:15,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-19 08:03:15,869 INFO L428 stractBuchiCegarLoop]: Abstraction has 31 states and 36 transitions. [2023-11-19 08:03:15,869 INFO L335 stractBuchiCegarLoop]: ======== Iteration 9 ============ [2023-11-19 08:03:15,869 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 31 states and 36 transitions. [2023-11-19 08:03:15,870 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 15 [2023-11-19 08:03:15,870 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 08:03:15,870 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 08:03:15,871 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [4, 4, 2, 2, 1, 1, 1, 1] [2023-11-19 08:03:15,871 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [4, 4, 2, 2, 1, 1, 1] [2023-11-19 08:03:15,872 INFO L748 eck$LassoCheckResult]: Stem: 1136#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 1137#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc0#1.base, main_#t~malloc0#1.offset, main_#t~malloc1#1.base, main_#t~malloc1#1.offset, main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~mem4#1, main_~x0~0#1.base, main_~x0~0#1.offset, main_~x1~0#1.base, main_~x1~0#1.offset, main_~x2~0#1.base, main_~x2~0#1.offset, main_~x3~0#1.base, main_~x3~0#1.offset;call main_#t~malloc0#1.base, main_#t~malloc0#1.offset := #Ultimate.allocOnStack(4);main_~x0~0#1.base, main_~x0~0#1.offset := main_#t~malloc0#1.base, main_#t~malloc0#1.offset;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnStack(4);main_~x1~0#1.base, main_~x1~0#1.offset := main_#t~malloc1#1.base, main_#t~malloc1#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~x2~0#1.base, main_~x2~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~x3~0#1.base, main_~x3~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call write~int(0, main_~x0~0#1.base, main_~x0~0#1.offset, 4);call write~int(0, main_~x1~0#1.base, main_~x1~0#1.offset, 4);call write~int(0, main_~x2~0#1.base, main_~x2~0#1.offset, 4);call write~int(0, main_~x3~0#1.base, main_~x3~0#1.offset, 4); 1133#L24-2 call main_#t~mem4#1 := read~int(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 1134#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 1131#L16 assume 0 == main_#t~mem5#1;havoc main_#t~mem5#1;call write~int(1, main_~x0~0#1.base, main_~x0~0#1.offset, 4); 1132#L24-2 call main_#t~mem4#1 := read~int(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 1135#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 1157#L16 assume !(0 == main_#t~mem5#1);havoc main_#t~mem5#1;call write~int(0, main_~x0~0#1.base, main_~x0~0#1.offset, 4);call main_#t~mem6#1 := read~int(main_~x1~0#1.base, main_~x1~0#1.offset, 4); 1156#L20 assume 0 == main_#t~mem6#1;havoc main_#t~mem6#1;call write~int(1, main_~x1~0#1.base, main_~x1~0#1.offset, 4); 1142#L24-2 call main_#t~mem4#1 := read~int(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 1154#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 1152#L16 assume 0 == main_#t~mem5#1;havoc main_#t~mem5#1;call write~int(1, main_~x0~0#1.base, main_~x0~0#1.offset, 4); 1151#L24-2 call main_#t~mem4#1 := read~int(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 1149#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 1146#L16 assume !(0 == main_#t~mem5#1);havoc main_#t~mem5#1;call write~int(0, main_~x0~0#1.base, main_~x0~0#1.offset, 4);call main_#t~mem6#1 := read~int(main_~x1~0#1.base, main_~x1~0#1.offset, 4); 1141#L20 assume !(0 == main_#t~mem6#1);havoc main_#t~mem6#1;call write~int(0, main_~x1~0#1.base, main_~x1~0#1.offset, 4);call main_#t~mem7#1 := read~int(main_~x2~0#1.base, main_~x2~0#1.offset, 4); 1143#L24 [2023-11-19 08:03:15,872 INFO L750 eck$LassoCheckResult]: Loop: 1143#L24 assume 0 == main_#t~mem7#1;havoc main_#t~mem7#1;call write~int(1, main_~x2~0#1.base, main_~x2~0#1.offset, 4); 1144#L24-2 call main_#t~mem4#1 := read~int(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 1138#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 1129#L16 assume 0 == main_#t~mem5#1;havoc main_#t~mem5#1;call write~int(1, main_~x0~0#1.base, main_~x0~0#1.offset, 4); 1130#L24-2 call main_#t~mem4#1 := read~int(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 1159#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 1158#L16 assume !(0 == main_#t~mem5#1);havoc main_#t~mem5#1;call write~int(0, main_~x0~0#1.base, main_~x0~0#1.offset, 4);call main_#t~mem6#1 := read~int(main_~x1~0#1.base, main_~x1~0#1.offset, 4); 1139#L20 assume 0 == main_#t~mem6#1;havoc main_#t~mem6#1;call write~int(1, main_~x1~0#1.base, main_~x1~0#1.offset, 4); 1140#L24-2 call main_#t~mem4#1 := read~int(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 1155#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 1153#L16 assume 0 == main_#t~mem5#1;havoc main_#t~mem5#1;call write~int(1, main_~x0~0#1.base, main_~x0~0#1.offset, 4); 1148#L24-2 call main_#t~mem4#1 := read~int(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 1150#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 1147#L16 assume !(0 == main_#t~mem5#1);havoc main_#t~mem5#1;call write~int(0, main_~x0~0#1.base, main_~x0~0#1.offset, 4);call main_#t~mem6#1 := read~int(main_~x1~0#1.base, main_~x1~0#1.offset, 4); 1145#L20 assume !(0 == main_#t~mem6#1);havoc main_#t~mem6#1;call write~int(0, main_~x1~0#1.base, main_~x1~0#1.offset, 4);call main_#t~mem7#1 := read~int(main_~x2~0#1.base, main_~x2~0#1.offset, 4); 1143#L24 [2023-11-19 08:03:15,872 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:03:15,872 INFO L85 PathProgramCache]: Analyzing trace with hash -697316795, now seen corresponding path program 2 times [2023-11-19 08:03:15,873 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:03:15,873 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [750479252] [2023-11-19 08:03:15,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:03:15,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:03:15,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 08:03:15,899 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 08:03:15,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 08:03:15,915 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 08:03:15,916 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:03:15,916 INFO L85 PathProgramCache]: Analyzing trace with hash 2047759866, now seen corresponding path program 1 times [2023-11-19 08:03:15,916 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:03:15,916 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1473963224] [2023-11-19 08:03:15,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:03:15,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:03:15,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 08:03:15,931 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 08:03:15,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 08:03:15,942 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 08:03:15,943 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:03:15,943 INFO L85 PathProgramCache]: Analyzing trace with hash 462437174, now seen corresponding path program 2 times [2023-11-19 08:03:15,943 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:03:15,943 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [200555493] [2023-11-19 08:03:15,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:03:15,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:03:15,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 08:03:15,988 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 08:03:16,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 08:03:16,024 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 08:03:20,973 INFO L210 LassoAnalysis]: Preferences: [2023-11-19 08:03:20,973 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-19 08:03:20,973 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-19 08:03:20,973 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-19 08:03:20,973 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-19 08:03:20,973 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 08:03:20,973 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-19 08:03:20,973 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-19 08:03:20,974 INFO L133 ssoRankerPreferences]: Filename of dumped script: 4BitCounterPointer.c_Iteration9_Lasso [2023-11-19 08:03:20,974 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-19 08:03:20,974 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-19 08:03:20,978 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 08:03:20,987 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 08:03:20,990 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 08:03:22,631 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 08:03:22,634 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 08:03:22,636 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 08:03:22,640 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 08:03:22,645 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 08:03:23,179 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-19 08:03:23,179 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-19 08:03:23,180 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 08:03:23,180 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:03:23,183 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 08:03:23,185 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2023-11-19 08:03:23,185 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 08:03:23,195 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 08:03:23,196 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 08:03:23,196 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 08:03:23,196 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 08:03:23,197 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 08:03:23,197 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 08:03:23,200 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 08:03:23,211 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Ended with exit code 0 [2023-11-19 08:03:23,212 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 08:03:23,212 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:03:23,213 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 08:03:23,213 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2023-11-19 08:03:23,214 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 08:03:23,224 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 08:03:23,224 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 08:03:23,224 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 08:03:23,225 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 08:03:23,225 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 08:03:23,226 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 08:03:23,226 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 08:03:23,228 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 08:03:23,242 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Ended with exit code 0 [2023-11-19 08:03:23,242 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 08:03:23,242 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:03:23,243 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 08:03:23,245 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2023-11-19 08:03:23,246 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 08:03:23,256 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 08:03:23,256 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 08:03:23,256 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 08:03:23,257 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 08:03:23,262 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 08:03:23,262 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 08:03:23,271 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 08:03:23,282 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Ended with exit code 0 [2023-11-19 08:03:23,283 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 08:03:23,283 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:03:23,284 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 08:03:23,285 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2023-11-19 08:03:23,285 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 08:03:23,295 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 08:03:23,295 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 08:03:23,295 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 08:03:23,295 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 08:03:23,297 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 08:03:23,298 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 08:03:23,302 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 08:03:23,314 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Forceful destruction successful, exit code 0 [2023-11-19 08:03:23,314 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 08:03:23,314 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:03:23,315 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 08:03:23,316 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2023-11-19 08:03:23,317 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 08:03:23,326 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 08:03:23,327 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 08:03:23,327 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 08:03:23,327 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 08:03:23,330 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 08:03:23,330 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 08:03:23,336 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 08:03:23,352 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Ended with exit code 0 [2023-11-19 08:03:23,352 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 08:03:23,353 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:03:23,353 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 08:03:23,354 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2023-11-19 08:03:23,355 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 08:03:23,366 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 08:03:23,366 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 08:03:23,366 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 08:03:23,366 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 08:03:23,368 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 08:03:23,368 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 08:03:23,384 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 08:03:23,413 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Ended with exit code 0 [2023-11-19 08:03:23,414 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 08:03:23,414 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:03:23,415 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 08:03:23,417 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2023-11-19 08:03:23,417 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 08:03:23,428 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 08:03:23,428 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 08:03:23,428 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 08:03:23,428 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 08:03:23,430 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 08:03:23,430 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 08:03:23,434 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 08:03:23,475 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Ended with exit code 0 [2023-11-19 08:03:23,475 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 08:03:23,476 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:03:23,477 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 08:03:23,477 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2023-11-19 08:03:23,478 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 08:03:23,488 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 08:03:23,488 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 08:03:23,488 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 08:03:23,489 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 08:03:23,493 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 08:03:23,493 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 08:03:23,502 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 08:03:23,514 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Forceful destruction successful, exit code 0 [2023-11-19 08:03:23,515 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 08:03:23,515 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:03:23,516 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 08:03:23,517 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2023-11-19 08:03:23,517 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 08:03:23,527 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 08:03:23,527 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 08:03:23,527 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 08:03:23,527 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 08:03:23,530 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 08:03:23,530 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 08:03:23,550 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 08:03:23,562 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Ended with exit code 0 [2023-11-19 08:03:23,563 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 08:03:23,564 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:03:23,565 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 08:03:23,566 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2023-11-19 08:03:23,566 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 08:03:23,576 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 08:03:23,576 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 08:03:23,576 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 08:03:23,577 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 08:03:23,578 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 08:03:23,578 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 08:03:23,600 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 08:03:23,638 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Ended with exit code 0 [2023-11-19 08:03:23,638 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 08:03:23,638 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:03:23,639 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 08:03:23,640 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2023-11-19 08:03:23,640 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 08:03:23,650 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 08:03:23,650 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 08:03:23,650 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 08:03:23,651 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 08:03:23,652 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 08:03:23,653 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 08:03:23,657 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 08:03:23,670 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Forceful destruction successful, exit code 0 [2023-11-19 08:03:23,670 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 08:03:23,670 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:03:23,671 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 08:03:23,672 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2023-11-19 08:03:23,684 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 08:03:23,694 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 08:03:23,694 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 08:03:23,694 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 08:03:23,694 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 08:03:23,696 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 08:03:23,696 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 08:03:23,699 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 08:03:23,711 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Ended with exit code 0 [2023-11-19 08:03:23,711 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 08:03:23,712 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:03:23,713 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 08:03:23,714 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2023-11-19 08:03:23,716 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 08:03:23,728 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 08:03:23,729 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 08:03:23,729 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 08:03:23,729 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 08:03:23,734 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 08:03:23,734 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 08:03:23,746 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 08:03:23,758 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Ended with exit code 0 [2023-11-19 08:03:23,759 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 08:03:23,759 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:03:23,760 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 08:03:23,761 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2023-11-19 08:03:23,761 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 [2023-11-19 08:03:23,772 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 08:03:23,772 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 08:03:23,772 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 08:03:23,772 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 08:03:23,774 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 08:03:23,774 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 08:03:23,780 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 08:03:23,791 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Ended with exit code 0 [2023-11-19 08:03:23,792 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 08:03:23,792 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:03:23,793 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 08:03:23,794 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2023-11-19 08:03:23,794 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 08:03:23,804 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 08:03:23,805 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 08:03:23,805 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 08:03:23,805 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 08:03:23,807 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 08:03:23,807 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 08:03:23,813 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 08:03:23,824 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Ended with exit code 0 [2023-11-19 08:03:23,824 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 08:03:23,825 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:03:23,825 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 08:03:23,826 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2023-11-19 08:03:23,827 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 08:03:23,837 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 08:03:23,837 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 08:03:23,837 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 08:03:23,837 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 08:03:23,839 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 08:03:23,839 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 08:03:23,843 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 08:03:23,854 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Ended with exit code 0 [2023-11-19 08:03:23,854 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 08:03:23,854 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:03:23,855 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 08:03:23,856 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Waiting until timeout for monitored process [2023-11-19 08:03:23,857 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 [2023-11-19 08:03:23,867 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 08:03:23,867 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 08:03:23,868 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 08:03:23,868 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 08:03:23,869 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 08:03:23,869 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 08:03:23,873 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 08:03:23,886 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Ended with exit code 0 [2023-11-19 08:03:23,886 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 08:03:23,886 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:03:23,887 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 08:03:23,889 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Waiting until timeout for monitored process [2023-11-19 08:03:23,890 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 08:03:23,900 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 08:03:23,900 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 08:03:23,900 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 08:03:23,900 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 08:03:23,902 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 08:03:23,903 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 08:03:23,908 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 08:03:23,920 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Ended with exit code 0 [2023-11-19 08:03:23,920 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 08:03:23,920 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:03:23,921 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 08:03:23,922 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Waiting until timeout for monitored process [2023-11-19 08:03:23,923 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 08:03:23,932 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 08:03:23,933 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 08:03:23,933 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 08:03:23,933 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 08:03:23,935 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 08:03:23,935 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 08:03:23,939 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 08:03:23,953 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Ended with exit code 0 [2023-11-19 08:03:23,954 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 08:03:23,954 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:03:23,955 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 08:03:23,956 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Waiting until timeout for monitored process [2023-11-19 08:03:23,956 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 08:03:23,967 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 08:03:23,967 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 08:03:23,967 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 08:03:23,967 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 08:03:23,970 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 08:03:23,970 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 08:03:23,977 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-19 08:03:23,990 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2023-11-19 08:03:23,990 INFO L444 ModelExtractionUtils]: 0 out of 10 variables were initially zero. Simplification set additionally 3 variables to zero. [2023-11-19 08:03:23,990 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 08:03:23,990 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:03:23,992 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 08:03:23,995 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Waiting until timeout for monitored process [2023-11-19 08:03:23,995 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-19 08:03:24,006 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2023-11-19 08:03:24,006 INFO L513 LassoAnalysis]: Proved termination. [2023-11-19 08:03:24,006 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~x2~0#1.base) ULTIMATE.start_main_~x2~0#1.offset)_1) = -2*v_rep(select (select #memory_int ULTIMATE.start_main_~x2~0#1.base) ULTIMATE.start_main_~x2~0#1.offset)_1 + 1 Supporting invariants [1*ULTIMATE.start_main_#t~mem7#1 - 1*v_rep(select (select #memory_int ULTIMATE.start_main_~x2~0#1.base) ULTIMATE.start_main_~x2~0#1.offset)_1 >= 0] [2023-11-19 08:03:24,018 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Ended with exit code 0 [2023-11-19 08:03:24,322 INFO L156 tatePredicateManager]: 46 out of 47 supporting invariants were superfluous and have been removed [2023-11-19 08:03:24,326 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~x2~0!base][~x2~0!offset] could not be translated [2023-11-19 08:03:24,351 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:03:24,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:03:24,431 INFO L262 TraceCheckSpWp]: Trace formula consists of 223 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 08:03:24,432 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:03:24,457 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Forceful destruction successful, exit code 0 [2023-11-19 08:03:24,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:03:24,491 INFO L262 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 30 conjunts are in the unsatisfiable core [2023-11-19 08:03:24,498 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:03:24,505 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 18 [2023-11-19 08:03:24,574 INFO L349 Elim1Store]: treesize reduction 27, result has 38.6 percent of original size [2023-11-19 08:03:24,574 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 30 [2023-11-19 08:03:24,690 INFO L349 Elim1Store]: treesize reduction 41, result has 14.6 percent of original size [2023-11-19 08:03:24,697 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 30 treesize of output 14 [2023-11-19 08:03:24,762 INFO L349 Elim1Store]: treesize reduction 31, result has 35.4 percent of original size [2023-11-19 08:03:24,762 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 30 treesize of output 23 [2023-11-19 08:03:24,950 INFO L349 Elim1Store]: treesize reduction 75, result has 24.2 percent of original size [2023-11-19 08:03:24,952 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 33 treesize of output 40 [2023-11-19 08:03:25,143 INFO L349 Elim1Store]: treesize reduction 92, result has 14.0 percent of original size [2023-11-19 08:03:25,143 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 37 treesize of output 24 [2023-11-19 08:03:25,180 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 11 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 08:03:25,181 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 9 loop predicates [2023-11-19 08:03:25,181 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 31 states and 36 transitions. cyclomatic complexity: 8 Second operand has 10 states, 10 states have (on average 2.3) internal successors, (23), 10 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:03:25,229 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 31 states and 36 transitions. cyclomatic complexity: 8. Second operand has 10 states, 10 states have (on average 2.3) internal successors, (23), 10 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 34 states and 39 transitions. Complement of second has 4 states. [2023-11-19 08:03:25,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 0 non-accepting loop states 2 accepting loop states [2023-11-19 08:03:25,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 10 states have (on average 2.3) internal successors, (23), 10 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:03:25,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 9 transitions. [2023-11-19 08:03:25,231 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 16 letters. Loop has 15 letters. [2023-11-19 08:03:25,232 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 08:03:25,232 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2023-11-19 08:03:25,254 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:03:25,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:03:25,304 INFO L262 TraceCheckSpWp]: Trace formula consists of 223 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 08:03:25,305 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:03:25,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:03:25,362 INFO L262 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 30 conjunts are in the unsatisfiable core [2023-11-19 08:03:25,364 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:03:25,370 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 18 [2023-11-19 08:03:25,443 INFO L349 Elim1Store]: treesize reduction 27, result has 38.6 percent of original size [2023-11-19 08:03:25,444 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 30 [2023-11-19 08:03:25,543 INFO L349 Elim1Store]: treesize reduction 41, result has 14.6 percent of original size [2023-11-19 08:03:25,543 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 30 treesize of output 14 [2023-11-19 08:03:25,601 INFO L349 Elim1Store]: treesize reduction 31, result has 35.4 percent of original size [2023-11-19 08:03:25,601 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 30 treesize of output 23 [2023-11-19 08:03:25,785 INFO L349 Elim1Store]: treesize reduction 75, result has 24.2 percent of original size [2023-11-19 08:03:25,786 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 33 treesize of output 40 [2023-11-19 08:03:26,018 INFO L349 Elim1Store]: treesize reduction 92, result has 14.0 percent of original size [2023-11-19 08:03:26,019 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 37 treesize of output 24 [2023-11-19 08:03:26,053 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 11 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 08:03:26,053 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 9 loop predicates [2023-11-19 08:03:26,053 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 31 states and 36 transitions. cyclomatic complexity: 8 Second operand has 10 states, 10 states have (on average 2.3) internal successors, (23), 10 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:03:26,410 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 31 states and 36 transitions. cyclomatic complexity: 8. Second operand has 10 states, 10 states have (on average 2.3) internal successors, (23), 10 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 61 states and 70 transitions. Complement of second has 23 states. [2023-11-19 08:03:26,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 13 states 1 stem states 10 non-accepting loop states 1 accepting loop states [2023-11-19 08:03:26,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 10 states have (on average 2.3) internal successors, (23), 10 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:03:26,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 33 transitions. [2023-11-19 08:03:26,413 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 13 states and 33 transitions. Stem has 16 letters. Loop has 15 letters. [2023-11-19 08:03:26,414 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 08:03:26,414 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 13 states and 33 transitions. Stem has 31 letters. Loop has 15 letters. [2023-11-19 08:03:26,414 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 08:03:26,414 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 13 states and 33 transitions. Stem has 16 letters. Loop has 30 letters. [2023-11-19 08:03:26,415 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 08:03:26,415 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 61 states and 70 transitions. [2023-11-19 08:03:26,419 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-19 08:03:26,419 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 61 states to 0 states and 0 transitions. [2023-11-19 08:03:26,420 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2023-11-19 08:03:26,420 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2023-11-19 08:03:26,420 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2023-11-19 08:03:26,420 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 08:03:26,420 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-19 08:03:26,420 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-19 08:03:26,420 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-19 08:03:26,421 INFO L335 stractBuchiCegarLoop]: ======== Iteration 10 ============ [2023-11-19 08:03:26,421 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2023-11-19 08:03:26,421 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-19 08:03:26,421 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2023-11-19 08:03:26,429 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 19.11 08:03:26 BoogieIcfgContainer [2023-11-19 08:03:26,429 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-11-19 08:03:26,430 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 08:03:26,430 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 08:03:26,430 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 08:03:26,431 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:02:59" (3/4) ... [2023-11-19 08:03:26,433 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 08:03:26,434 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 08:03:26,434 INFO L158 Benchmark]: Toolchain (without parser) took 28034.77ms. Allocated memory was 140.5MB in the beginning and 314.6MB in the end (delta: 174.1MB). Free memory was 95.9MB in the beginning and 236.7MB in the end (delta: -140.8MB). Peak memory consumption was 35.3MB. Max. memory is 16.1GB. [2023-11-19 08:03:26,435 INFO L158 Benchmark]: CDTParser took 0.58ms. Allocated memory is still 140.5MB. Free memory is still 116.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 08:03:26,435 INFO L158 Benchmark]: CACSL2BoogieTranslator took 266.91ms. Allocated memory is still 140.5MB. Free memory was 95.5MB in the beginning and 85.5MB in the end (delta: 10.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-19 08:03:26,435 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.68ms. Allocated memory is still 140.5MB. Free memory was 85.5MB in the beginning and 84.2MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 08:03:26,435 INFO L158 Benchmark]: Boogie Preprocessor took 52.19ms. Allocated memory is still 140.5MB. Free memory was 84.2MB in the beginning and 82.9MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 08:03:26,436 INFO L158 Benchmark]: RCFGBuilder took 391.40ms. Allocated memory is still 140.5MB. Free memory was 82.9MB in the beginning and 70.3MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 08:03:26,436 INFO L158 Benchmark]: BuchiAutomizer took 27272.23ms. Allocated memory was 140.5MB in the beginning and 314.6MB in the end (delta: 174.1MB). Free memory was 70.3MB in the beginning and 236.7MB in the end (delta: -166.4MB). Peak memory consumption was 8.1MB. Max. memory is 16.1GB. [2023-11-19 08:03:26,437 INFO L158 Benchmark]: Witness Printer took 4.33ms. Allocated memory is still 314.6MB. Free memory is still 236.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 08:03:26,438 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.58ms. Allocated memory is still 140.5MB. Free memory is still 116.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 266.91ms. Allocated memory is still 140.5MB. Free memory was 95.5MB in the beginning and 85.5MB in the end (delta: 10.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.68ms. Allocated memory is still 140.5MB. Free memory was 85.5MB in the beginning and 84.2MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 52.19ms. Allocated memory is still 140.5MB. Free memory was 84.2MB in the beginning and 82.9MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 391.40ms. Allocated memory is still 140.5MB. Free memory was 82.9MB in the beginning and 70.3MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * BuchiAutomizer took 27272.23ms. Allocated memory was 140.5MB in the beginning and 314.6MB in the end (delta: 174.1MB). Free memory was 70.3MB in the beginning and 236.7MB in the end (delta: -166.4MB). Peak memory consumption was 8.1MB. Max. memory is 16.1GB. * Witness Printer took 4.33ms. Allocated memory is still 314.6MB. Free memory is still 236.7MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[~x0~0!base][0] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[~x2~0!base][~x2~0!offset] could not be translated * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 9 terminating modules (6 trivial, 3 deterministic, 0 nondeterministic). One deterministic module has affine ranking function null and consists of 5 locations. One deterministic module has affine ranking function null and consists of 7 locations. One deterministic module has affine ranking function null and consists of 13 locations. 6 modules have a trivial ranking function, the largest among these consists of 15 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 27.2s and 10 iterations. TraceHistogramMax:4. Analysis of lassos took 23.9s. Construction of modules took 0.3s. Büchi inclusion checks took 2.7s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 8. Automata minimization 0.0s AutomataMinimizationTime, 8 MinimizatonAttempts, 10 StatesRemovedByMinimization, 4 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [2, 1, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 13/22 HoareTripleCheckerStatistics: 6 mSolverCounterUnknown, 91 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 90 mSDsluCounter, 91 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 35 mSDsCounter, 77 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 251 IncrementalHoareTripleChecker+Invalid, 334 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 77 mSolverCounterUnsat, 56 mSDtfsCounter, 251 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT0 conc3 concLT0 SILN0 SILU2 SILI0 SILT0 lasso3 LassoPreprocessingBenchmarks: Lassos: inital976 mio100 ax100 hnf100 lsp97 ukn35 mio100 lsp23 div100 bol100 ite100 ukn100 eq160 hnf90 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 46ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2023-11-19 08:03:26,470 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (46)] Ended with exit code 0 [2023-11-19 08:03:26,674 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (45)] Ended with exit code 0 [2023-11-19 08:03:26,874 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2023-11-19 08:03:27,074 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2023-11-19 08:03:27,276 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bdd1a3-1251-4202-b0c1-9be48d561c7c/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE