./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-recursive-malloc/rec_malloc_ex3.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version e7bb482b 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_a4f38bc2-2be0-49f9-8492-9992ce84eb18/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f38bc2-2be0-49f9-8492-9992ce84eb18/bin/uautomizer-verify-WvqO1wxjHP/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f38bc2-2be0-49f9-8492-9992ce84eb18/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f38bc2-2be0-49f9-8492-9992ce84eb18/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-recursive-malloc/rec_malloc_ex3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f38bc2-2be0-49f9-8492-9992ce84eb18/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f38bc2-2be0-49f9-8492-9992ce84eb18/bin/uautomizer-verify-WvqO1wxjHP --witnessprinter.witness.filename witness.graphml --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 33d006375056e7e3c58d58b776bed0fedce081ec4ff9e691f038a741177fe7dd --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:27:42,269 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:27:42,389 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f38bc2-2be0-49f9-8492-9992ce84eb18/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Termination-64bit-Automizer_Default.epf [2023-11-06 22:27:42,403 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:27:42,404 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:27:42,445 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:27:42,447 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:27:42,448 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:27:42,449 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:27:42,454 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:27:42,455 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:27:42,456 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-06 22:27:42,456 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-06 22:27:42,458 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-06 22:27:42,458 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-06 22:27:42,459 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-06 22:27:42,459 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-06 22:27:42,460 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:27:42,461 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-06 22:27:42,461 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 22:27:42,461 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:27:42,462 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-06 22:27:42,462 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-06 22:27:42,463 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-06 22:27:42,463 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-06 22:27:42,464 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:27:42,464 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-06 22:27:42,464 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:27:42,465 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:27:42,465 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:27:42,467 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:27:42,467 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 22:27:42,468 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-06 22:27:42,468 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_a4f38bc2-2be0-49f9-8492-9992ce84eb18/bin/uautomizer-verify-WvqO1wxjHP/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f38bc2-2be0-49f9-8492-9992ce84eb18/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 33d006375056e7e3c58d58b776bed0fedce081ec4ff9e691f038a741177fe7dd [2023-11-06 22:27:42,763 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:27:42,797 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:27:42,800 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:27:42,802 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:27:42,803 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:27:42,804 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f38bc2-2be0-49f9-8492-9992ce84eb18/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/termination-recursive-malloc/rec_malloc_ex3.i [2023-11-06 22:27:45,890 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:27:46,098 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:27:46,099 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f38bc2-2be0-49f9-8492-9992ce84eb18/sv-benchmarks/c/termination-recursive-malloc/rec_malloc_ex3.i [2023-11-06 22:27:46,108 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f38bc2-2be0-49f9-8492-9992ce84eb18/bin/uautomizer-verify-WvqO1wxjHP/data/4f5fc4d82/24f11bc0994b4777ad32d8ba0009ffe6/FLAG2a7aa1047 [2023-11-06 22:27:46,126 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f38bc2-2be0-49f9-8492-9992ce84eb18/bin/uautomizer-verify-WvqO1wxjHP/data/4f5fc4d82/24f11bc0994b4777ad32d8ba0009ffe6 [2023-11-06 22:27:46,129 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:27:46,131 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:27:46,133 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:27:46,133 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:27:46,140 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:27:46,141 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:27:46" (1/1) ... [2023-11-06 22:27:46,142 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76060a1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:27:46, skipping insertion in model container [2023-11-06 22:27:46,142 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:27:46" (1/1) ... [2023-11-06 22:27:46,164 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:27:46,345 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:27:46,364 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:27:46,382 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:27:46,400 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:27:46,401 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:27:46 WrapperNode [2023-11-06 22:27:46,401 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:27:46,403 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:27:46,403 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:27:46,404 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:27:46,412 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:27:46" (1/1) ... [2023-11-06 22:27:46,420 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:27:46" (1/1) ... [2023-11-06 22:27:46,441 INFO L138 Inliner]: procedures = 11, calls = 11, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 21 [2023-11-06 22:27:46,442 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:27:46,443 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:27:46,443 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:27:46,443 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:27:46,454 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:27:46" (1/1) ... [2023-11-06 22:27:46,455 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:27:46" (1/1) ... [2023-11-06 22:27:46,457 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:27:46" (1/1) ... [2023-11-06 22:27:46,458 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:27:46" (1/1) ... [2023-11-06 22:27:46,463 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:27:46" (1/1) ... [2023-11-06 22:27:46,467 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:27:46" (1/1) ... [2023-11-06 22:27:46,468 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:27:46" (1/1) ... [2023-11-06 22:27:46,469 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:27:46" (1/1) ... [2023-11-06 22:27:46,472 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:27:46,473 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:27:46,473 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:27:46,473 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:27:46,474 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:27:46" (1/1) ... [2023-11-06 22:27:46,483 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:27:46,501 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f38bc2-2be0-49f9-8492-9992ce84eb18/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:27:46,518 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f38bc2-2be0-49f9-8492-9992ce84eb18/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:27:46,537 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f38bc2-2be0-49f9-8492-9992ce84eb18/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-06 22:27:46,563 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-06 22:27:46,564 INFO L130 BoogieDeclarations]: Found specification of procedure rec [2023-11-06 22:27:46,564 INFO L138 BoogieDeclarations]: Found implementation of procedure rec [2023-11-06 22:27:46,564 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-06 22:27:46,564 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:27:46,565 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:27:46,565 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-06 22:27:46,565 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-06 22:27:46,649 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:27:46,651 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:27:46,799 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:27:46,806 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:27:46,806 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-06 22:27:46,808 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:27:46 BoogieIcfgContainer [2023-11-06 22:27:46,808 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:27:46,809 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-11-06 22:27:46,810 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-11-06 22:27:46,814 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-11-06 22:27:46,815 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-06 22:27:46,815 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 06.11 10:27:46" (1/3) ... [2023-11-06 22:27:46,816 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@706ae938 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.11 10:27:46, skipping insertion in model container [2023-11-06 22:27:46,817 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-06 22:27:46,817 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:27:46" (2/3) ... [2023-11-06 22:27:46,817 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@706ae938 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.11 10:27:46, skipping insertion in model container [2023-11-06 22:27:46,817 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-06 22:27:46,818 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:27:46" (3/3) ... [2023-11-06 22:27:46,819 INFO L332 chiAutomizerObserver]: Analyzing ICFG rec_malloc_ex3.i [2023-11-06 22:27:46,881 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-11-06 22:27:46,882 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-11-06 22:27:46,882 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-11-06 22:27:46,882 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-11-06 22:27:46,882 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-11-06 22:27:46,883 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-11-06 22:27:46,883 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-11-06 22:27:46,883 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-11-06 22:27:46,888 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 14 states, 10 states have (on average 1.3) internal successors, (13), 10 states have internal predecessors, (13), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-06 22:27:46,909 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2023-11-06 22:27:46,909 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-06 22:27:46,909 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-06 22:27:46,916 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-11-06 22:27:46,916 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:27:46,917 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-11-06 22:27:46,917 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 14 states, 10 states have (on average 1.3) internal successors, (13), 10 states have internal predecessors, (13), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-06 22:27:46,919 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2023-11-06 22:27:46,919 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-06 22:27:46,919 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-06 22:27:46,920 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-11-06 22:27:46,920 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:27:46,929 INFO L748 eck$LassoCheckResult]: Stem: 9#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 4#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~nondet8#1, main_#t~ret9#1, main_~op~0#1.base, main_~op~0#1.offset, main_~i~0#1;havoc main_#t~nondet6#1;main_~i~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1; 8#L20-2true [2023-11-06 22:27:46,930 INFO L750 eck$LassoCheckResult]: Loop: 8#L20-2true assume !!(main_~i~0#1 > 0);call main_#t~malloc7#1.base, main_#t~malloc7#1.offset := #Ultimate.allocOnHeap(4);main_~op~0#1.base, main_~op~0#1.offset := main_#t~malloc7#1.base, main_#t~malloc7#1.offset;havoc main_#t~malloc7#1.base, main_#t~malloc7#1.offset;havoc main_#t~nondet8#1;call write~int(main_#t~nondet8#1, main_~op~0#1.base, main_~op~0#1.offset, 4);havoc main_#t~nondet8#1; 10#L23true call main_#t~ret9#1 := rec(main_~op~0#1.base, main_~op~0#1.offset);< 11#$Ultimate##0true ~p.base, ~p.offset := #in~p.base, #in~p.offset;call #t~mem1 := read~int(~p.base, ~p.offset, 4); 7#L9true assume #t~mem1 < 0;havoc #t~mem1;call #t~mem2 := read~int(~p.base, ~p.offset, 4);~pv~0 := #t~mem2;havoc #t~mem2;call ULTIMATE.dealloc(~p.base, ~p.offset);#res := ~pv~0; 13#recFINALtrue assume true; 12#recEXITtrue >#30#return; 5#L23-1true main_~i~0#1 := main_~i~0#1 + main_#t~ret9#1;havoc main_#t~ret9#1;havoc main_~op~0#1.base, main_~op~0#1.offset; 8#L20-2true [2023-11-06 22:27:46,935 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:27:46,936 INFO L85 PathProgramCache]: Analyzing trace with hash 1219, now seen corresponding path program 1 times [2023-11-06 22:27:46,947 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:27:46,947 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1200830904] [2023-11-06 22:27:46,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:27:46,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:27:47,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:27:47,054 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:27:47,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:27:47,101 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:27:47,109 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:27:47,109 INFO L85 PathProgramCache]: Analyzing trace with hash -2039113776, now seen corresponding path program 1 times [2023-11-06 22:27:47,109 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:27:47,109 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1847302663] [2023-11-06 22:27:47,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:27:47,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:27:47,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:27:47,193 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:27:47,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:27:47,240 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:27:47,244 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:27:47,245 INFO L85 PathProgramCache]: Analyzing trace with hash -1009969970, now seen corresponding path program 1 times [2023-11-06 22:27:47,245 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:27:47,246 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2085611065] [2023-11-06 22:27:47,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:27:47,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:27:47,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:27:47,309 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:27:47,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:27:47,352 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:27:47,985 INFO L210 LassoAnalysis]: Preferences: [2023-11-06 22:27:47,986 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-06 22:27:47,986 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-06 22:27:47,986 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-06 22:27:47,986 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-06 22:27:47,986 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:27:47,986 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-06 22:27:47,987 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-06 22:27:47,987 INFO L133 ssoRankerPreferences]: Filename of dumped script: rec_malloc_ex3.i_Iteration1_Lasso [2023-11-06 22:27:47,987 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-06 22:27:47,987 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-06 22:27:48,006 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:27:48,015 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:27:48,018 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:27:48,021 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:27:48,024 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:27:48,027 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:27:48,079 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:27:48,082 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:27:48,085 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:27:48,177 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-06 22:27:48,199 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-06 22:27:48,201 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:27:48,202 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f38bc2-2be0-49f9-8492-9992ce84eb18/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:27:48,207 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f38bc2-2be0-49f9-8492-9992ce84eb18/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:27:48,222 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-06 22:27:48,237 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:27:48,237 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 22:27:48,238 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:27:48,238 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:27:48,238 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:27:48,240 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 22:27:48,241 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 22:27:48,242 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f38bc2-2be0-49f9-8492-9992ce84eb18/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2023-11-06 22:27:48,264 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:27:48,283 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f38bc2-2be0-49f9-8492-9992ce84eb18/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2023-11-06 22:27:48,283 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:27:48,284 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f38bc2-2be0-49f9-8492-9992ce84eb18/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:27:48,285 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f38bc2-2be0-49f9-8492-9992ce84eb18/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:27:48,294 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 [2023-11-06 22:27:48,307 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:27:48,307 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 22:27:48,307 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:27:48,308 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:27:48,308 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:27:48,309 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 22:27:48,309 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 22:27:48,310 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f38bc2-2be0-49f9-8492-9992ce84eb18/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2023-11-06 22:27:48,324 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:27:48,332 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f38bc2-2be0-49f9-8492-9992ce84eb18/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2023-11-06 22:27:48,333 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:27:48,333 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f38bc2-2be0-49f9-8492-9992ce84eb18/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:27:48,335 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f38bc2-2be0-49f9-8492-9992ce84eb18/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:27:48,339 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 [2023-11-06 22:27:48,352 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f38bc2-2be0-49f9-8492-9992ce84eb18/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2023-11-06 22:27:48,354 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:27:48,354 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 22:27:48,354 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:27:48,354 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:27:48,354 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:27:48,355 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 22:27:48,356 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 22:27:48,366 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:27:48,370 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f38bc2-2be0-49f9-8492-9992ce84eb18/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2023-11-06 22:27:48,370 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:27:48,370 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f38bc2-2be0-49f9-8492-9992ce84eb18/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:27:48,372 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f38bc2-2be0-49f9-8492-9992ce84eb18/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:27:48,382 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 [2023-11-06 22:27:48,388 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f38bc2-2be0-49f9-8492-9992ce84eb18/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2023-11-06 22:27:48,395 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:27:48,395 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 22:27:48,395 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:27:48,396 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:27:48,396 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:27:48,397 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 22:27:48,398 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 22:27:48,412 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:27:48,426 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f38bc2-2be0-49f9-8492-9992ce84eb18/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2023-11-06 22:27:48,427 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:27:48,427 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f38bc2-2be0-49f9-8492-9992ce84eb18/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:27:48,429 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f38bc2-2be0-49f9-8492-9992ce84eb18/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:27:48,434 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f38bc2-2be0-49f9-8492-9992ce84eb18/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2023-11-06 22:27:48,438 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 [2023-11-06 22:27:48,448 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:27:48,448 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 22:27:48,448 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:27:48,448 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:27:48,448 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:27:48,449 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 22:27:48,450 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 22:27:48,459 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:27:48,465 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f38bc2-2be0-49f9-8492-9992ce84eb18/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2023-11-06 22:27:48,468 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:27:48,468 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f38bc2-2be0-49f9-8492-9992ce84eb18/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:27:48,469 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f38bc2-2be0-49f9-8492-9992ce84eb18/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:27:48,480 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f38bc2-2be0-49f9-8492-9992ce84eb18/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2023-11-06 22:27:48,481 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 [2023-11-06 22:27:48,494 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:27:48,494 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:27:48,494 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2023-11-06 22:27:48,494 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:27:48,510 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2023-11-06 22:27:48,511 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2023-11-06 22:27:48,536 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:27:48,550 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f38bc2-2be0-49f9-8492-9992ce84eb18/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2023-11-06 22:27:48,551 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:27:48,551 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f38bc2-2be0-49f9-8492-9992ce84eb18/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:27:48,553 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f38bc2-2be0-49f9-8492-9992ce84eb18/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:27:48,566 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 [2023-11-06 22:27:48,579 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f38bc2-2be0-49f9-8492-9992ce84eb18/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2023-11-06 22:27:48,580 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:27:48,580 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 22:27:48,580 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:27:48,580 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:27:48,581 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:27:48,581 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 22:27:48,582 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 22:27:48,604 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:27:48,620 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f38bc2-2be0-49f9-8492-9992ce84eb18/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2023-11-06 22:27:48,620 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:27:48,621 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f38bc2-2be0-49f9-8492-9992ce84eb18/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:27:48,622 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f38bc2-2be0-49f9-8492-9992ce84eb18/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:27:48,629 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f38bc2-2be0-49f9-8492-9992ce84eb18/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2023-11-06 22:27:48,630 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 [2023-11-06 22:27:48,643 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:27:48,643 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 22:27:48,643 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:27:48,643 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:27:48,643 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:27:48,645 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 22:27:48,645 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 22:27:48,657 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-06 22:27:48,662 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2023-11-06 22:27:48,663 INFO L444 ModelExtractionUtils]: 1 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2023-11-06 22:27:48,664 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:27:48,664 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f38bc2-2be0-49f9-8492-9992ce84eb18/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:27:48,683 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f38bc2-2be0-49f9-8492-9992ce84eb18/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:27:48,685 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f38bc2-2be0-49f9-8492-9992ce84eb18/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2023-11-06 22:27:48,686 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-06 22:27:48,686 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2023-11-06 22:27:48,686 INFO L513 LassoAnalysis]: Proved termination. [2023-11-06 22:27:48,687 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1) = 1*ULTIMATE.start_main_~i~0#1 Supporting invariants [] [2023-11-06 22:27:48,696 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f38bc2-2be0-49f9-8492-9992ce84eb18/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2023-11-06 22:27:48,699 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-11-06 22:27:48,723 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:27:48,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:27:48,735 INFO L262 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-06 22:27:48,736 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:27:48,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:27:48,777 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-06 22:27:48,781 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:27:48,877 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2023-11-06 22:27:48,948 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:27:48,991 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 6 loop predicates [2023-11-06 22:27:48,995 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 14 states, 10 states have (on average 1.3) internal successors, (13), 10 states have internal predecessors, (13), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 7 states, 6 states have (on average 1.1666666666666667) internal successors, (7), 5 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-06 22:27:49,127 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 14 states, 10 states have (on average 1.3) internal successors, (13), 10 states have internal predecessors, (13), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2). Second operand has 7 states, 6 states have (on average 1.1666666666666667) internal successors, (7), 5 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Result 59 states and 74 transitions. Complement of second has 22 states. [2023-11-06 22:27:49,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 9 states 1 stem states 6 non-accepting loop states 1 accepting loop states [2023-11-06 22:27:49,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 6 states have (on average 1.1666666666666667) internal successors, (7), 5 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-06 22:27:49,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 20 transitions. [2023-11-06 22:27:49,138 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 20 transitions. Stem has 2 letters. Loop has 7 letters. [2023-11-06 22:27:49,139 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-06 22:27:49,140 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 20 transitions. Stem has 9 letters. Loop has 7 letters. [2023-11-06 22:27:49,140 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-06 22:27:49,140 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 20 transitions. Stem has 2 letters. Loop has 14 letters. [2023-11-06 22:27:49,141 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-06 22:27:49,141 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 59 states and 74 transitions. [2023-11-06 22:27:49,147 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 9 [2023-11-06 22:27:49,154 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 59 states to 35 states and 42 transitions. [2023-11-06 22:27:49,155 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 27 [2023-11-06 22:27:49,155 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 28 [2023-11-06 22:27:49,156 INFO L73 IsDeterministic]: Start isDeterministic. Operand 35 states and 42 transitions. [2023-11-06 22:27:49,156 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-06 22:27:49,157 INFO L218 hiAutomatonCegarLoop]: Abstraction has 35 states and 42 transitions. [2023-11-06 22:27:49,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states and 42 transitions. [2023-11-06 22:27:49,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 32. [2023-11-06 22:27:49,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 22 states have (on average 1.1818181818181819) internal successors, (26), 22 states have internal predecessors, (26), 6 states have call successors, (6), 4 states have call predecessors, (6), 4 states have return successors, (6), 5 states have call predecessors, (6), 6 states have call successors, (6) [2023-11-06 22:27:49,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 38 transitions. [2023-11-06 22:27:49,189 INFO L240 hiAutomatonCegarLoop]: Abstraction has 32 states and 38 transitions. [2023-11-06 22:27:49,189 INFO L428 stractBuchiCegarLoop]: Abstraction has 32 states and 38 transitions. [2023-11-06 22:27:49,189 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-11-06 22:27:49,189 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 32 states and 38 transitions. [2023-11-06 22:27:49,191 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 9 [2023-11-06 22:27:49,191 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-06 22:27:49,191 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-06 22:27:49,191 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:27:49,191 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-06 22:27:49,192 INFO L748 eck$LassoCheckResult]: Stem: 162#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 163#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~nondet8#1, main_#t~ret9#1, main_~op~0#1.base, main_~op~0#1.offset, main_~i~0#1;havoc main_#t~nondet6#1;main_~i~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1; 170#L20-2 assume !!(main_~i~0#1 > 0);call main_#t~malloc7#1.base, main_#t~malloc7#1.offset := #Ultimate.allocOnHeap(4);main_~op~0#1.base, main_~op~0#1.offset := main_#t~malloc7#1.base, main_#t~malloc7#1.offset;havoc main_#t~malloc7#1.base, main_#t~malloc7#1.offset;havoc main_#t~nondet8#1;call write~int(main_#t~nondet8#1, main_~op~0#1.base, main_~op~0#1.offset, 4);havoc main_#t~nondet8#1; 150#L23 call main_#t~ret9#1 := rec(main_~op~0#1.base, main_~op~0#1.offset);< 160#$Ultimate##0 ~p.base, ~p.offset := #in~p.base, #in~p.offset;call #t~mem1 := read~int(~p.base, ~p.offset, 4); 149#L9 assume !(#t~mem1 < 0);havoc #t~mem1;call #t~mem3 := read~int(~p.base, ~p.offset, 4);#t~post4 := #t~mem3;call write~int(#t~post4 - 1, ~p.base, ~p.offset, 4);havoc #t~mem3;havoc #t~post4; 151#L15 call #t~ret5 := rec(~p.base, ~p.offset);< 172#$Ultimate##0 [2023-11-06 22:27:49,192 INFO L750 eck$LassoCheckResult]: Loop: 172#$Ultimate##0 ~p.base, ~p.offset := #in~p.base, #in~p.offset;call #t~mem1 := read~int(~p.base, ~p.offset, 4); 180#L9 assume !(#t~mem1 < 0);havoc #t~mem1;call #t~mem3 := read~int(~p.base, ~p.offset, 4);#t~post4 := #t~mem3;call write~int(#t~post4 - 1, ~p.base, ~p.offset, 4);havoc #t~mem3;havoc #t~post4; 165#L15 call #t~ret5 := rec(~p.base, ~p.offset);< 172#$Ultimate##0 [2023-11-06 22:27:49,192 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:27:49,192 INFO L85 PathProgramCache]: Analyzing trace with hash 557607690, now seen corresponding path program 1 times [2023-11-06 22:27:49,193 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:27:49,193 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [146304322] [2023-11-06 22:27:49,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:27:49,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:27:49,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:27:49,211 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:27:49,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:27:49,228 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:27:49,228 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:27:49,228 INFO L85 PathProgramCache]: Analyzing trace with hash 29942, now seen corresponding path program 1 times [2023-11-06 22:27:49,229 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:27:49,229 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1860116337] [2023-11-06 22:27:49,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:27:49,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:27:49,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:27:49,237 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:27:49,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:27:49,244 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:27:49,244 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:27:49,244 INFO L85 PathProgramCache]: Analyzing trace with hash -1242807987, now seen corresponding path program 2 times [2023-11-06 22:27:49,244 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:27:49,245 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2074292439] [2023-11-06 22:27:49,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:27:49,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:27:49,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:27:49,275 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:27:49,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:27:49,325 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:27:49,568 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f38bc2-2be0-49f9-8492-9992ce84eb18/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2023-11-06 22:27:50,330 INFO L210 LassoAnalysis]: Preferences: [2023-11-06 22:27:50,330 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-06 22:27:50,330 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-06 22:27:50,330 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-06 22:27:50,331 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-06 22:27:50,331 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:27:50,331 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-06 22:27:50,331 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-06 22:27:50,331 INFO L133 ssoRankerPreferences]: Filename of dumped script: rec_malloc_ex3.i_Iteration2_Lasso [2023-11-06 22:27:50,331 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-06 22:27:50,331 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-06 22:27:50,334 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:27:50,339 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:27:50,342 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:27:50,344 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:27:50,347 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:27:50,350 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:27:50,354 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:27:50,358 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:27:50,360 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:27:50,364 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:27:50,367 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:27:50,369 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:27:50,372 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:27:50,374 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:27:50,377 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:27:50,380 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:27:50,382 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:27:50,390 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:27:50,394 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:27:50,955 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-06 22:27:50,955 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-06 22:27:50,956 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:27:50,956 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f38bc2-2be0-49f9-8492-9992ce84eb18/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:27:50,959 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f38bc2-2be0-49f9-8492-9992ce84eb18/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:27:50,968 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 [2023-11-06 22:27:50,981 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:27:50,981 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 22:27:50,981 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:27:50,981 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:27:50,981 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:27:50,982 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 22:27:50,982 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 22:27:50,983 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f38bc2-2be0-49f9-8492-9992ce84eb18/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2023-11-06 22:27:50,991 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:27:50,996 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f38bc2-2be0-49f9-8492-9992ce84eb18/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2023-11-06 22:27:50,996 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:27:50,996 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f38bc2-2be0-49f9-8492-9992ce84eb18/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:27:50,998 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f38bc2-2be0-49f9-8492-9992ce84eb18/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:27:51,008 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f38bc2-2be0-49f9-8492-9992ce84eb18/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2023-11-06 22:27:51,009 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 [2023-11-06 22:27:51,022 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:27:51,022 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 22:27:51,022 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:27:51,022 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:27:51,022 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:27:51,023 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 22:27:51,023 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 22:27:51,036 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:27:51,044 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f38bc2-2be0-49f9-8492-9992ce84eb18/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2023-11-06 22:27:51,044 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:27:51,044 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f38bc2-2be0-49f9-8492-9992ce84eb18/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:27:51,045 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f38bc2-2be0-49f9-8492-9992ce84eb18/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:27:51,049 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 [2023-11-06 22:27:51,062 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:27:51,062 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 22:27:51,062 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:27:51,062 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:27:51,062 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:27:51,063 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 22:27:51,063 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 22:27:51,065 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f38bc2-2be0-49f9-8492-9992ce84eb18/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2023-11-06 22:27:51,080 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:27:51,088 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f38bc2-2be0-49f9-8492-9992ce84eb18/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2023-11-06 22:27:51,088 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:27:51,089 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f38bc2-2be0-49f9-8492-9992ce84eb18/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:27:51,090 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f38bc2-2be0-49f9-8492-9992ce84eb18/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:27:51,095 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 [2023-11-06 22:27:51,108 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:27:51,108 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 22:27:51,108 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:27:51,108 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:27:51,108 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:27:51,109 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 22:27:51,109 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 22:27:51,111 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f38bc2-2be0-49f9-8492-9992ce84eb18/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2023-11-06 22:27:51,124 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:27:51,132 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f38bc2-2be0-49f9-8492-9992ce84eb18/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2023-11-06 22:27:51,132 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:27:51,132 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f38bc2-2be0-49f9-8492-9992ce84eb18/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:27:51,134 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f38bc2-2be0-49f9-8492-9992ce84eb18/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:27:51,137 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f38bc2-2be0-49f9-8492-9992ce84eb18/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2023-11-06 22:27:51,138 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 [2023-11-06 22:27:51,151 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:27:51,151 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 22:27:51,151 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:27:51,151 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:27:51,151 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:27:51,152 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 22:27:51,152 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 22:27:51,168 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:27:51,176 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f38bc2-2be0-49f9-8492-9992ce84eb18/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2023-11-06 22:27:51,177 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:27:51,177 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f38bc2-2be0-49f9-8492-9992ce84eb18/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:27:51,178 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f38bc2-2be0-49f9-8492-9992ce84eb18/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:27:51,189 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-06 22:27:51,202 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:27:51,202 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 22:27:51,202 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:27:51,202 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:27:51,202 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:27:51,203 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 22:27:51,203 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 22:27:51,205 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f38bc2-2be0-49f9-8492-9992ce84eb18/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2023-11-06 22:27:51,218 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:27:51,226 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f38bc2-2be0-49f9-8492-9992ce84eb18/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2023-11-06 22:27:51,227 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:27:51,228 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f38bc2-2be0-49f9-8492-9992ce84eb18/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:27:51,233 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f38bc2-2be0-49f9-8492-9992ce84eb18/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:27:51,237 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 [2023-11-06 22:27:51,238 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f38bc2-2be0-49f9-8492-9992ce84eb18/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2023-11-06 22:27:51,249 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:27:51,249 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 22:27:51,249 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:27:51,249 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:27:51,249 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:27:51,250 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 22:27:51,250 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 22:27:51,260 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:27:51,263 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f38bc2-2be0-49f9-8492-9992ce84eb18/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2023-11-06 22:27:51,264 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:27:51,264 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f38bc2-2be0-49f9-8492-9992ce84eb18/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:27:51,265 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f38bc2-2be0-49f9-8492-9992ce84eb18/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:27:51,273 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f38bc2-2be0-49f9-8492-9992ce84eb18/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2023-11-06 22:27:51,275 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 [2023-11-06 22:27:51,288 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:27:51,288 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 22:27:51,288 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:27:51,288 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:27:51,288 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:27:51,291 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 22:27:51,292 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 22:27:51,304 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:27:51,309 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f38bc2-2be0-49f9-8492-9992ce84eb18/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2023-11-06 22:27:51,309 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:27:51,309 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f38bc2-2be0-49f9-8492-9992ce84eb18/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:27:51,311 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f38bc2-2be0-49f9-8492-9992ce84eb18/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:27:51,329 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 [2023-11-06 22:27:51,341 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:27:51,342 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 22:27:51,342 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:27:51,342 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:27:51,342 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:27:51,343 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 22:27:51,343 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 22:27:51,344 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f38bc2-2be0-49f9-8492-9992ce84eb18/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2023-11-06 22:27:51,348 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:27:51,356 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f38bc2-2be0-49f9-8492-9992ce84eb18/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2023-11-06 22:27:51,357 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:27:51,357 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f38bc2-2be0-49f9-8492-9992ce84eb18/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:27:51,358 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f38bc2-2be0-49f9-8492-9992ce84eb18/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:27:51,373 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 [2023-11-06 22:27:51,386 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:27:51,386 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 22:27:51,387 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:27:51,387 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:27:51,387 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:27:51,387 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 22:27:51,387 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 22:27:51,390 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f38bc2-2be0-49f9-8492-9992ce84eb18/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2023-11-06 22:27:51,400 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:27:51,408 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f38bc2-2be0-49f9-8492-9992ce84eb18/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2023-11-06 22:27:51,409 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:27:51,409 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f38bc2-2be0-49f9-8492-9992ce84eb18/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:27:51,410 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f38bc2-2be0-49f9-8492-9992ce84eb18/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:27:51,414 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f38bc2-2be0-49f9-8492-9992ce84eb18/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2023-11-06 22:27:51,415 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 [2023-11-06 22:27:51,427 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:27:51,428 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 22:27:51,428 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:27:51,428 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:27:51,428 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:27:51,428 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 22:27:51,429 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 22:27:51,432 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:27:51,438 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f38bc2-2be0-49f9-8492-9992ce84eb18/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2023-11-06 22:27:51,438 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:27:51,438 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f38bc2-2be0-49f9-8492-9992ce84eb18/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:27:51,439 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f38bc2-2be0-49f9-8492-9992ce84eb18/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:27:51,442 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f38bc2-2be0-49f9-8492-9992ce84eb18/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2023-11-06 22:27:51,443 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 [2023-11-06 22:27:51,452 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:27:51,453 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 22:27:51,453 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:27:51,453 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:27:51,453 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:27:51,453 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 22:27:51,453 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 22:27:51,455 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:27:51,457 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f38bc2-2be0-49f9-8492-9992ce84eb18/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2023-11-06 22:27:51,458 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:27:51,458 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f38bc2-2be0-49f9-8492-9992ce84eb18/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:27:51,459 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f38bc2-2be0-49f9-8492-9992ce84eb18/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:27:51,460 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f38bc2-2be0-49f9-8492-9992ce84eb18/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2023-11-06 22:27:51,462 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-06 22:27:51,472 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:27:51,472 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 22:27:51,472 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:27:51,472 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:27:51,472 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:27:51,473 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 22:27:51,473 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 22:27:51,480 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:27:51,482 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f38bc2-2be0-49f9-8492-9992ce84eb18/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2023-11-06 22:27:51,483 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:27:51,483 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f38bc2-2be0-49f9-8492-9992ce84eb18/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:27:51,485 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f38bc2-2be0-49f9-8492-9992ce84eb18/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:27:51,488 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f38bc2-2be0-49f9-8492-9992ce84eb18/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2023-11-06 22:27:51,489 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 [2023-11-06 22:27:51,499 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:27:51,499 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 22:27:51,499 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:27:51,500 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:27:51,500 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:27:51,500 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 22:27:51,500 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 22:27:51,511 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:27:51,516 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f38bc2-2be0-49f9-8492-9992ce84eb18/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2023-11-06 22:27:51,516 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:27:51,517 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f38bc2-2be0-49f9-8492-9992ce84eb18/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:27:51,518 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f38bc2-2be0-49f9-8492-9992ce84eb18/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:27:51,529 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 [2023-11-06 22:27:51,541 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:27:51,541 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 22:27:51,541 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:27:51,542 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:27:51,542 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:27:51,542 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 22:27:51,542 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 22:27:51,544 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f38bc2-2be0-49f9-8492-9992ce84eb18/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2023-11-06 22:27:51,555 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:27:51,558 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f38bc2-2be0-49f9-8492-9992ce84eb18/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2023-11-06 22:27:51,559 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:27:51,559 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f38bc2-2be0-49f9-8492-9992ce84eb18/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:27:51,560 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f38bc2-2be0-49f9-8492-9992ce84eb18/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:27:51,565 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-06 22:27:51,578 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:27:51,578 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 22:27:51,578 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:27:51,578 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:27:51,578 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:27:51,580 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 22:27:51,580 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 22:27:51,581 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f38bc2-2be0-49f9-8492-9992ce84eb18/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2023-11-06 22:27:51,590 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:27:51,599 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f38bc2-2be0-49f9-8492-9992ce84eb18/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2023-11-06 22:27:51,599 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:27:51,599 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f38bc2-2be0-49f9-8492-9992ce84eb18/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:27:51,600 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f38bc2-2be0-49f9-8492-9992ce84eb18/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:27:51,604 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 [2023-11-06 22:27:51,617 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:27:51,617 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 22:27:51,618 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:27:51,618 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:27:51,618 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:27:51,618 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 22:27:51,619 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 22:27:51,619 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f38bc2-2be0-49f9-8492-9992ce84eb18/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2023-11-06 22:27:51,627 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:27:51,631 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f38bc2-2be0-49f9-8492-9992ce84eb18/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2023-11-06 22:27:51,631 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:27:51,631 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f38bc2-2be0-49f9-8492-9992ce84eb18/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:27:51,633 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f38bc2-2be0-49f9-8492-9992ce84eb18/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:27:51,637 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 [2023-11-06 22:27:51,649 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:27:51,649 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:27:51,649 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:27:51,649 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:27:51,651 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f38bc2-2be0-49f9-8492-9992ce84eb18/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2023-11-06 22:27:51,652 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 22:27:51,652 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 22:27:51,668 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:27:51,675 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f38bc2-2be0-49f9-8492-9992ce84eb18/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2023-11-06 22:27:51,675 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:27:51,675 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f38bc2-2be0-49f9-8492-9992ce84eb18/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:27:51,677 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f38bc2-2be0-49f9-8492-9992ce84eb18/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:27:51,681 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 [2023-11-06 22:27:51,693 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:27:51,693 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:27:51,693 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:27:51,693 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:27:51,696 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f38bc2-2be0-49f9-8492-9992ce84eb18/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2023-11-06 22:27:51,701 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 22:27:51,701 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 22:27:51,713 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:27:51,721 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f38bc2-2be0-49f9-8492-9992ce84eb18/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2023-11-06 22:27:51,721 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:27:51,721 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f38bc2-2be0-49f9-8492-9992ce84eb18/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:27:51,723 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f38bc2-2be0-49f9-8492-9992ce84eb18/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:27:51,727 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 [2023-11-06 22:27:51,739 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:27:51,739 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:27:51,739 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:27:51,739 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:27:51,741 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f38bc2-2be0-49f9-8492-9992ce84eb18/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2023-11-06 22:27:51,753 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 22:27:51,753 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 22:27:51,776 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-06 22:27:51,792 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2023-11-06 22:27:51,792 INFO L444 ModelExtractionUtils]: 7 out of 16 variables were initially zero. Simplification set additionally 6 variables to zero. [2023-11-06 22:27:51,793 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:27:51,793 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f38bc2-2be0-49f9-8492-9992ce84eb18/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:27:51,797 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f38bc2-2be0-49f9-8492-9992ce84eb18/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:27:51,805 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-06 22:27:51,817 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f38bc2-2be0-49f9-8492-9992ce84eb18/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2023-11-06 22:27:51,830 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-11-06 22:27:51,830 INFO L513 LassoAnalysis]: Proved termination. [2023-11-06 22:27:51,831 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int rec_#in~p.base) 0)_1) = 2*v_rep(select (select #memory_int rec_#in~p.base) 0)_1 + 1 Supporting invariants [] [2023-11-06 22:27:51,833 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f38bc2-2be0-49f9-8492-9992ce84eb18/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Ended with exit code 0 [2023-11-06 22:27:51,841 INFO L156 tatePredicateManager]: 1 out of 2 supporting invariants were superfluous and have been removed [2023-11-06 22:27:51,846 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[#in~p!base] could not be translated [2023-11-06 22:27:51,847 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[#in~p!base][0] could not be translated [2023-11-06 22:27:51,876 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:27:51,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:27:51,907 INFO L262 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-06 22:27:51,908 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:27:51,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:27:51,972 INFO L262 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 21 conjunts are in the unsatisfiable core [2023-11-06 22:27:51,973 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:27:52,017 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 20 [2023-11-06 22:27:52,043 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:27:52,043 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.4 stem predicates 3 loop predicates [2023-11-06 22:27:52,044 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 32 states and 38 transitions. cyclomatic complexity: 10 Second operand has 7 states, 5 states have (on average 1.4) internal successors, (7), 5 states have internal predecessors, (7), 3 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:27:52,205 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 32 states and 38 transitions. cyclomatic complexity: 10. Second operand has 7 states, 5 states have (on average 1.4) internal successors, (7), 5 states have internal predecessors, (7), 3 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 47 states and 56 transitions. Complement of second has 19 states. [2023-11-06 22:27:52,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 8 states 4 stem states 3 non-accepting loop states 1 accepting loop states [2023-11-06 22:27:52,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 5 states have (on average 1.4) internal successors, (7), 5 states have internal predecessors, (7), 3 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:27:52,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 16 transitions. [2023-11-06 22:27:52,208 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 16 transitions. Stem has 7 letters. Loop has 3 letters. [2023-11-06 22:27:52,208 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-06 22:27:52,209 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 16 transitions. Stem has 10 letters. Loop has 3 letters. [2023-11-06 22:27:52,209 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-06 22:27:52,209 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 16 transitions. Stem has 7 letters. Loop has 6 letters. [2023-11-06 22:27:52,209 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-06 22:27:52,209 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 47 states and 56 transitions. [2023-11-06 22:27:52,212 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2023-11-06 22:27:52,214 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 47 states to 41 states and 50 transitions. [2023-11-06 22:27:52,214 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 27 [2023-11-06 22:27:52,215 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 29 [2023-11-06 22:27:52,215 INFO L73 IsDeterministic]: Start isDeterministic. Operand 41 states and 50 transitions. [2023-11-06 22:27:52,215 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-06 22:27:52,215 INFO L218 hiAutomatonCegarLoop]: Abstraction has 41 states and 50 transitions. [2023-11-06 22:27:52,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states and 50 transitions. [2023-11-06 22:27:52,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 39. [2023-11-06 22:27:52,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 27 states have (on average 1.1851851851851851) internal successors, (32), 28 states have internal predecessors, (32), 6 states have call successors, (6), 5 states have call predecessors, (6), 6 states have return successors, (8), 5 states have call predecessors, (8), 6 states have call successors, (8) [2023-11-06 22:27:52,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 46 transitions. [2023-11-06 22:27:52,222 INFO L240 hiAutomatonCegarLoop]: Abstraction has 39 states and 46 transitions. [2023-11-06 22:27:52,222 INFO L428 stractBuchiCegarLoop]: Abstraction has 39 states and 46 transitions. [2023-11-06 22:27:52,222 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2023-11-06 22:27:52,222 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 39 states and 46 transitions. [2023-11-06 22:27:52,223 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2023-11-06 22:27:52,223 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-06 22:27:52,224 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-06 22:27:52,224 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:27:52,225 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:27:52,225 INFO L748 eck$LassoCheckResult]: Stem: 328#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 329#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~nondet8#1, main_#t~ret9#1, main_~op~0#1.base, main_~op~0#1.offset, main_~i~0#1;havoc main_#t~nondet6#1;main_~i~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1; 340#L20-2 assume !!(main_~i~0#1 > 0);call main_#t~malloc7#1.base, main_#t~malloc7#1.offset := #Ultimate.allocOnHeap(4);main_~op~0#1.base, main_~op~0#1.offset := main_#t~malloc7#1.base, main_#t~malloc7#1.offset;havoc main_#t~malloc7#1.base, main_#t~malloc7#1.offset;havoc main_#t~nondet8#1;call write~int(main_#t~nondet8#1, main_~op~0#1.base, main_~op~0#1.offset, 4);havoc main_#t~nondet8#1; 324#L23 call main_#t~ret9#1 := rec(main_~op~0#1.base, main_~op~0#1.offset);< 350#$Ultimate##0 ~p.base, ~p.offset := #in~p.base, #in~p.offset;call #t~mem1 := read~int(~p.base, ~p.offset, 4); 349#L9 assume !(#t~mem1 < 0);havoc #t~mem1;call #t~mem3 := read~int(~p.base, ~p.offset, 4);#t~post4 := #t~mem3;call write~int(#t~post4 - 1, ~p.base, ~p.offset, 4);havoc #t~mem3;havoc #t~post4; 320#L15 call #t~ret5 := rec(~p.base, ~p.offset);< 332#$Ultimate##0 ~p.base, ~p.offset := #in~p.base, #in~p.offset;call #t~mem1 := read~int(~p.base, ~p.offset, 4); 333#L9 assume #t~mem1 < 0;havoc #t~mem1;call #t~mem2 := read~int(~p.base, ~p.offset, 4);~pv~0 := #t~mem2;havoc #t~mem2;call ULTIMATE.dealloc(~p.base, ~p.offset);#res := ~pv~0; 354#recFINAL assume true; 335#recEXIT >#28#return; 336#L15-1 #res := #t~ret5;havoc #t~ret5; 348#recFINAL assume true; 344#recEXIT >#30#return; 339#L23-1 [2023-11-06 22:27:52,225 INFO L750 eck$LassoCheckResult]: Loop: 339#L23-1 main_~i~0#1 := main_~i~0#1 + main_#t~ret9#1;havoc main_#t~ret9#1;havoc main_~op~0#1.base, main_~op~0#1.offset; 321#L20-2 assume !!(main_~i~0#1 > 0);call main_#t~malloc7#1.base, main_#t~malloc7#1.offset := #Ultimate.allocOnHeap(4);main_~op~0#1.base, main_~op~0#1.offset := main_#t~malloc7#1.base, main_#t~malloc7#1.offset;havoc main_#t~malloc7#1.base, main_#t~malloc7#1.offset;havoc main_#t~nondet8#1;call write~int(main_#t~nondet8#1, main_~op~0#1.base, main_~op~0#1.offset, 4);havoc main_#t~nondet8#1; 322#L23 call main_#t~ret9#1 := rec(main_~op~0#1.base, main_~op~0#1.offset);< 330#$Ultimate##0 ~p.base, ~p.offset := #in~p.base, #in~p.offset;call #t~mem1 := read~int(~p.base, ~p.offset, 4); 345#L9 assume #t~mem1 < 0;havoc #t~mem1;call #t~mem2 := read~int(~p.base, ~p.offset, 4);~pv~0 := #t~mem2;havoc #t~mem2;call ULTIMATE.dealloc(~p.base, ~p.offset);#res := ~pv~0; 347#recFINAL assume true; 352#recEXIT >#30#return; 339#L23-1 [2023-11-06 22:27:52,226 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:27:52,226 INFO L85 PathProgramCache]: Analyzing trace with hash 1969157627, now seen corresponding path program 1 times [2023-11-06 22:27:52,226 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:27:52,226 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1793900141] [2023-11-06 22:27:52,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:27:52,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:27:52,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:27:52,245 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:27:52,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:27:52,262 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:27:52,263 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:27:52,263 INFO L85 PathProgramCache]: Analyzing trace with hash -523709736, now seen corresponding path program 2 times [2023-11-06 22:27:52,263 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:27:52,263 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1428484072] [2023-11-06 22:27:52,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:27:52,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:27:52,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:27:52,276 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:27:52,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:27:52,286 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:27:52,287 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:27:52,287 INFO L85 PathProgramCache]: Analyzing trace with hash 931270558, now seen corresponding path program 1 times [2023-11-06 22:27:52,287 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:27:52,287 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [252134991] [2023-11-06 22:27:52,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:27:52,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:27:52,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:27:52,319 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:27:52,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:27:52,363 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:27:52,428 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f38bc2-2be0-49f9-8492-9992ce84eb18/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2023-11-06 22:27:53,720 INFO L210 LassoAnalysis]: Preferences: [2023-11-06 22:27:53,720 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-06 22:27:53,720 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-06 22:27:53,720 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-06 22:27:53,720 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-06 22:27:53,721 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:27:53,721 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-06 22:27:53,721 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-06 22:27:53,721 INFO L133 ssoRankerPreferences]: Filename of dumped script: rec_malloc_ex3.i_Iteration3_Lasso [2023-11-06 22:27:53,721 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-06 22:27:53,721 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-06 22:27:53,724 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:27:53,727 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:27:53,729 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:27:53,733 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:27:53,935 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:27:53,938 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:27:54,150 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-06 22:27:54,151 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-06 22:27:54,151 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:27:54,151 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f38bc2-2be0-49f9-8492-9992ce84eb18/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:27:54,152 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f38bc2-2be0-49f9-8492-9992ce84eb18/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:27:54,157 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 [2023-11-06 22:27:54,169 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:27:54,170 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 22:27:54,170 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:27:54,170 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:27:54,170 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:27:54,171 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 22:27:54,171 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 22:27:54,172 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f38bc2-2be0-49f9-8492-9992ce84eb18/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2023-11-06 22:27:54,180 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:27:54,188 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f38bc2-2be0-49f9-8492-9992ce84eb18/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2023-11-06 22:27:54,188 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:27:54,189 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f38bc2-2be0-49f9-8492-9992ce84eb18/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:27:54,190 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f38bc2-2be0-49f9-8492-9992ce84eb18/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:27:54,194 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 [2023-11-06 22:27:54,206 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:27:54,207 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 22:27:54,207 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:27:54,207 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:27:54,207 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:27:54,208 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 22:27:54,208 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 22:27:54,209 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f38bc2-2be0-49f9-8492-9992ce84eb18/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2023-11-06 22:27:54,220 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:27:54,224 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f38bc2-2be0-49f9-8492-9992ce84eb18/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2023-11-06 22:27:54,225 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:27:54,225 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f38bc2-2be0-49f9-8492-9992ce84eb18/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:27:54,226 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f38bc2-2be0-49f9-8492-9992ce84eb18/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:27:54,230 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-06 22:27:54,238 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f38bc2-2be0-49f9-8492-9992ce84eb18/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2023-11-06 22:27:54,242 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:27:54,242 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 22:27:54,242 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:27:54,242 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:27:54,242 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:27:54,242 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 22:27:54,242 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 22:27:54,248 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:27:54,250 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f38bc2-2be0-49f9-8492-9992ce84eb18/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Ended with exit code 0 [2023-11-06 22:27:54,251 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:27:54,251 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f38bc2-2be0-49f9-8492-9992ce84eb18/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:27:54,252 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f38bc2-2be0-49f9-8492-9992ce84eb18/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:27:54,253 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f38bc2-2be0-49f9-8492-9992ce84eb18/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2023-11-06 22:27:54,258 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 [2023-11-06 22:27:54,268 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:27:54,268 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2023-11-06 22:27:54,268 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2023-11-06 22:27:54,268 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:27:54,275 INFO L401 nArgumentSynthesizer]: We have 20 Motzkin's Theorem applications. [2023-11-06 22:27:54,275 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2023-11-06 22:27:54,295 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:27:54,302 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f38bc2-2be0-49f9-8492-9992ce84eb18/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2023-11-06 22:27:54,302 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:27:54,303 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f38bc2-2be0-49f9-8492-9992ce84eb18/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:27:54,304 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f38bc2-2be0-49f9-8492-9992ce84eb18/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:27:54,312 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 [2023-11-06 22:27:54,325 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:27:54,325 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:27:54,325 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:27:54,325 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:27:54,327 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f38bc2-2be0-49f9-8492-9992ce84eb18/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2023-11-06 22:27:54,328 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 22:27:54,328 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 22:27:54,340 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:27:54,343 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f38bc2-2be0-49f9-8492-9992ce84eb18/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Ended with exit code 0 [2023-11-06 22:27:54,344 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:27:54,344 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f38bc2-2be0-49f9-8492-9992ce84eb18/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:27:54,346 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f38bc2-2be0-49f9-8492-9992ce84eb18/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:27:54,357 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 [2023-11-06 22:27:54,369 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:27:54,370 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:27:54,370 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:27:54,370 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:27:54,372 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f38bc2-2be0-49f9-8492-9992ce84eb18/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2023-11-06 22:27:54,373 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 22:27:54,373 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 22:27:54,400 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:27:54,409 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f38bc2-2be0-49f9-8492-9992ce84eb18/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2023-11-06 22:27:54,412 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:27:54,412 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f38bc2-2be0-49f9-8492-9992ce84eb18/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:27:54,413 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f38bc2-2be0-49f9-8492-9992ce84eb18/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:27:54,417 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 [2023-11-06 22:27:54,430 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:27:54,430 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 22:27:54,430 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:27:54,430 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:27:54,430 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:27:54,431 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 22:27:54,431 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 22:27:54,432 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f38bc2-2be0-49f9-8492-9992ce84eb18/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2023-11-06 22:27:54,452 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:27:54,460 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f38bc2-2be0-49f9-8492-9992ce84eb18/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2023-11-06 22:27:54,460 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:27:54,460 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f38bc2-2be0-49f9-8492-9992ce84eb18/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:27:54,461 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f38bc2-2be0-49f9-8492-9992ce84eb18/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:27:54,466 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 [2023-11-06 22:27:54,478 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:27:54,479 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:27:54,479 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:27:54,479 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:27:54,480 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f38bc2-2be0-49f9-8492-9992ce84eb18/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2023-11-06 22:27:54,493 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 22:27:54,494 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 22:27:54,512 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:27:54,520 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f38bc2-2be0-49f9-8492-9992ce84eb18/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2023-11-06 22:27:54,520 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:27:54,521 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f38bc2-2be0-49f9-8492-9992ce84eb18/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:27:54,522 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f38bc2-2be0-49f9-8492-9992ce84eb18/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:27:54,526 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-06 22:27:54,539 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:27:54,539 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:27:54,539 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:27:54,539 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:27:54,543 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 22:27:54,543 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 22:27:54,554 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:27:54,556 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f38bc2-2be0-49f9-8492-9992ce84eb18/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2023-11-06 22:27:54,562 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f38bc2-2be0-49f9-8492-9992ce84eb18/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2023-11-06 22:27:54,563 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:27:54,563 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f38bc2-2be0-49f9-8492-9992ce84eb18/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:27:54,564 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f38bc2-2be0-49f9-8492-9992ce84eb18/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:27:54,568 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 [2023-11-06 22:27:54,574 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f38bc2-2be0-49f9-8492-9992ce84eb18/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2023-11-06 22:27:54,580 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:27:54,581 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:27:54,581 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:27:54,581 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:27:54,589 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 22:27:54,589 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 22:27:54,604 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-06 22:27:54,634 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2023-11-06 22:27:54,634 INFO L444 ModelExtractionUtils]: 6 out of 16 variables were initially zero. Simplification set additionally 7 variables to zero. [2023-11-06 22:27:54,634 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:27:54,634 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f38bc2-2be0-49f9-8492-9992ce84eb18/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:27:54,635 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f38bc2-2be0-49f9-8492-9992ce84eb18/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:27:54,639 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f38bc2-2be0-49f9-8492-9992ce84eb18/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2023-11-06 22:27:54,640 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-06 22:27:54,652 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-11-06 22:27:54,652 INFO L513 LassoAnalysis]: Proved termination. [2023-11-06 22:27:54,652 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1, ULTIMATE.start_main_#t~ret9#1) = 1*ULTIMATE.start_main_~i~0#1 + 1*ULTIMATE.start_main_#t~ret9#1 Supporting invariants [] [2023-11-06 22:27:54,656 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f38bc2-2be0-49f9-8492-9992ce84eb18/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2023-11-06 22:27:54,662 INFO L156 tatePredicateManager]: 2 out of 2 supporting invariants were superfluous and have been removed [2023-11-06 22:27:54,674 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:27:54,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:27:54,722 INFO L262 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-06 22:27:54,724 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:27:54,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:27:54,887 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-06 22:27:54,891 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:27:54,977 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2023-11-06 22:27:55,003 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:27:55,004 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 6 loop predicates [2023-11-06 22:27:55,005 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 39 states and 46 transitions. cyclomatic complexity: 11 Second operand has 8 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 6 states have internal predecessors, (13), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-06 22:27:55,140 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 39 states and 46 transitions. cyclomatic complexity: 11. Second operand has 8 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 6 states have internal predecessors, (13), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) Result 130 states and 152 transitions. Complement of second has 21 states. [2023-11-06 22:27:55,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 8 states 2 stem states 5 non-accepting loop states 1 accepting loop states [2023-11-06 22:27:55,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 6 states have internal predecessors, (13), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-06 22:27:55,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 26 transitions. [2023-11-06 22:27:55,143 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 26 transitions. Stem has 14 letters. Loop has 7 letters. [2023-11-06 22:27:55,144 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-06 22:27:55,144 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 26 transitions. Stem has 21 letters. Loop has 7 letters. [2023-11-06 22:27:55,144 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-06 22:27:55,144 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 26 transitions. Stem has 14 letters. Loop has 14 letters. [2023-11-06 22:27:55,145 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-06 22:27:55,145 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 130 states and 152 transitions. [2023-11-06 22:27:55,150 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 9 [2023-11-06 22:27:55,153 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 130 states to 90 states and 105 transitions. [2023-11-06 22:27:55,153 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 63 [2023-11-06 22:27:55,154 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 65 [2023-11-06 22:27:55,154 INFO L73 IsDeterministic]: Start isDeterministic. Operand 90 states and 105 transitions. [2023-11-06 22:27:55,154 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-06 22:27:55,154 INFO L218 hiAutomatonCegarLoop]: Abstraction has 90 states and 105 transitions. [2023-11-06 22:27:55,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states and 105 transitions. [2023-11-06 22:27:55,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 82. [2023-11-06 22:27:55,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 56 states have (on average 1.1785714285714286) internal successors, (66), 59 states have internal predecessors, (66), 13 states have call successors, (13), 11 states have call predecessors, (13), 13 states have return successors, (17), 11 states have call predecessors, (17), 13 states have call successors, (17) [2023-11-06 22:27:55,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 96 transitions. [2023-11-06 22:27:55,165 INFO L240 hiAutomatonCegarLoop]: Abstraction has 82 states and 96 transitions. [2023-11-06 22:27:55,165 INFO L428 stractBuchiCegarLoop]: Abstraction has 82 states and 96 transitions. [2023-11-06 22:27:55,165 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2023-11-06 22:27:55,165 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 82 states and 96 transitions. [2023-11-06 22:27:55,167 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 9 [2023-11-06 22:27:55,167 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-06 22:27:55,168 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-06 22:27:55,168 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:27:55,169 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-06 22:27:55,169 INFO L748 eck$LassoCheckResult]: Stem: 619#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 620#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~nondet8#1, main_#t~ret9#1, main_~op~0#1.base, main_~op~0#1.offset, main_~i~0#1;havoc main_#t~nondet6#1;main_~i~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1; 630#L20-2 assume !!(main_~i~0#1 > 0);call main_#t~malloc7#1.base, main_#t~malloc7#1.offset := #Ultimate.allocOnHeap(4);main_~op~0#1.base, main_~op~0#1.offset := main_#t~malloc7#1.base, main_#t~malloc7#1.offset;havoc main_#t~malloc7#1.base, main_#t~malloc7#1.offset;havoc main_#t~nondet8#1;call write~int(main_#t~nondet8#1, main_~op~0#1.base, main_~op~0#1.offset, 4);havoc main_#t~nondet8#1; 635#L23 call main_#t~ret9#1 := rec(main_~op~0#1.base, main_~op~0#1.offset);< 636#$Ultimate##0 ~p.base, ~p.offset := #in~p.base, #in~p.offset;call #t~mem1 := read~int(~p.base, ~p.offset, 4); 643#L9 assume !(#t~mem1 < 0);havoc #t~mem1;call #t~mem3 := read~int(~p.base, ~p.offset, 4);#t~post4 := #t~mem3;call write~int(#t~post4 - 1, ~p.base, ~p.offset, 4);havoc #t~mem3;havoc #t~post4; 641#L15 call #t~ret5 := rec(~p.base, ~p.offset);< 642#$Ultimate##0 ~p.base, ~p.offset := #in~p.base, #in~p.offset;call #t~mem1 := read~int(~p.base, ~p.offset, 4); 650#L9 assume #t~mem1 < 0;havoc #t~mem1;call #t~mem2 := read~int(~p.base, ~p.offset, 4);~pv~0 := #t~mem2;havoc #t~mem2;call ULTIMATE.dealloc(~p.base, ~p.offset);#res := ~pv~0; 662#recFINAL assume true; 640#recEXIT >#28#return; 639#L15-1 #res := #t~ret5;havoc #t~ret5; 637#recFINAL assume true; 634#recEXIT >#30#return; 633#L23-1 main_~i~0#1 := main_~i~0#1 + main_#t~ret9#1;havoc main_#t~ret9#1;havoc main_~op~0#1.base, main_~op~0#1.offset; 629#L20-2 assume !!(main_~i~0#1 > 0);call main_#t~malloc7#1.base, main_#t~malloc7#1.offset := #Ultimate.allocOnHeap(4);main_~op~0#1.base, main_~op~0#1.offset := main_#t~malloc7#1.base, main_#t~malloc7#1.offset;havoc main_#t~malloc7#1.base, main_#t~malloc7#1.offset;havoc main_#t~nondet8#1;call write~int(main_#t~nondet8#1, main_~op~0#1.base, main_~op~0#1.offset, 4);havoc main_#t~nondet8#1; 616#L23 call main_#t~ret9#1 := rec(main_~op~0#1.base, main_~op~0#1.offset);< 617#$Ultimate##0 ~p.base, ~p.offset := #in~p.base, #in~p.offset;call #t~mem1 := read~int(~p.base, ~p.offset, 4); 681#L9 assume !(#t~mem1 < 0);havoc #t~mem1;call #t~mem3 := read~int(~p.base, ~p.offset, 4);#t~post4 := #t~mem3;call write~int(#t~post4 - 1, ~p.base, ~p.offset, 4);havoc #t~mem3;havoc #t~post4; 614#L15 call #t~ret5 := rec(~p.base, ~p.offset);< 626#$Ultimate##0 [2023-11-06 22:27:55,169 INFO L750 eck$LassoCheckResult]: Loop: 626#$Ultimate##0 ~p.base, ~p.offset := #in~p.base, #in~p.offset;call #t~mem1 := read~int(~p.base, ~p.offset, 4); 627#L9 assume !(#t~mem1 < 0);havoc #t~mem1;call #t~mem3 := read~int(~p.base, ~p.offset, 4);#t~post4 := #t~mem3;call write~int(#t~post4 - 1, ~p.base, ~p.offset, 4);havoc #t~mem3;havoc #t~post4; 613#L15 call #t~ret5 := rec(~p.base, ~p.offset);< 626#$Ultimate##0 [2023-11-06 22:27:55,169 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:27:55,170 INFO L85 PathProgramCache]: Analyzing trace with hash -801242957, now seen corresponding path program 2 times [2023-11-06 22:27:55,170 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:27:55,170 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2002962509] [2023-11-06 22:27:55,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:27:55,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:27:55,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:27:55,193 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:27:55,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:27:55,213 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:27:55,214 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:27:55,214 INFO L85 PathProgramCache]: Analyzing trace with hash 29942, now seen corresponding path program 2 times [2023-11-06 22:27:55,215 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:27:55,215 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [416313737] [2023-11-06 22:27:55,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:27:55,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:27:55,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:27:55,220 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:27:55,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:27:55,225 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:27:55,226 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:27:55,226 INFO L85 PathProgramCache]: Analyzing trace with hash 1599299332, now seen corresponding path program 3 times [2023-11-06 22:27:55,226 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:27:55,226 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [117775435] [2023-11-06 22:27:55,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:27:55,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:27:55,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:27:55,268 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:27:55,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:27:55,302 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:27:55,493 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f38bc2-2be0-49f9-8492-9992ce84eb18/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2023-11-06 22:27:57,160 INFO L210 LassoAnalysis]: Preferences: [2023-11-06 22:27:57,161 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-06 22:27:57,161 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-06 22:27:57,161 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-06 22:27:57,161 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-06 22:27:57,161 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:27:57,161 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-06 22:27:57,161 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-06 22:27:57,162 INFO L133 ssoRankerPreferences]: Filename of dumped script: rec_malloc_ex3.i_Iteration4_Lasso [2023-11-06 22:27:57,162 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-06 22:27:57,162 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-06 22:27:57,165 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:27:57,171 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:27:57,174 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:27:57,355 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:27:57,357 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:27:57,361 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:27:57,364 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:27:57,366 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:27:57,368 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:27:57,371 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:27:57,373 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:27:57,375 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:27:57,377 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:27:57,380 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:27:57,382 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:27:57,384 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:27:57,386 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:27:57,388 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:27:57,392 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:27:57,645 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-06 22:27:57,645 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-06 22:27:57,645 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:27:57,645 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f38bc2-2be0-49f9-8492-9992ce84eb18/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:27:57,648 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f38bc2-2be0-49f9-8492-9992ce84eb18/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:27:57,650 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f38bc2-2be0-49f9-8492-9992ce84eb18/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2023-11-06 22:27:57,651 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 [2023-11-06 22:27:57,661 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:27:57,661 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 22:27:57,661 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:27:57,661 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:27:57,662 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:27:57,662 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 22:27:57,662 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 22:27:57,663 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:27:57,669 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f38bc2-2be0-49f9-8492-9992ce84eb18/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Ended with exit code 0 [2023-11-06 22:27:57,669 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:27:57,669 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f38bc2-2be0-49f9-8492-9992ce84eb18/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:27:57,670 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f38bc2-2be0-49f9-8492-9992ce84eb18/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:27:57,679 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f38bc2-2be0-49f9-8492-9992ce84eb18/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2023-11-06 22:27:57,679 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-06 22:27:57,689 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:27:57,689 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 22:27:57,690 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:27:57,690 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:27:57,690 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:27:57,690 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 22:27:57,690 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 22:27:57,720 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:27:57,724 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f38bc2-2be0-49f9-8492-9992ce84eb18/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Forceful destruction successful, exit code 0 [2023-11-06 22:27:57,725 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:27:57,725 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f38bc2-2be0-49f9-8492-9992ce84eb18/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:27:57,726 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f38bc2-2be0-49f9-8492-9992ce84eb18/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:27:57,728 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f38bc2-2be0-49f9-8492-9992ce84eb18/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2023-11-06 22:27:57,729 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 [2023-11-06 22:27:57,741 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:27:57,741 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:27:57,742 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:27:57,742 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:27:57,744 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 22:27:57,744 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 22:27:57,764 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:27:57,768 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f38bc2-2be0-49f9-8492-9992ce84eb18/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Forceful destruction successful, exit code 0 [2023-11-06 22:27:57,768 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:27:57,768 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f38bc2-2be0-49f9-8492-9992ce84eb18/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:27:57,771 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f38bc2-2be0-49f9-8492-9992ce84eb18/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:27:57,780 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 [2023-11-06 22:27:57,793 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:27:57,793 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:27:57,793 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:27:57,794 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:27:57,794 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f38bc2-2be0-49f9-8492-9992ce84eb18/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2023-11-06 22:27:57,799 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 22:27:57,799 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 22:27:57,820 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:27:57,823 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f38bc2-2be0-49f9-8492-9992ce84eb18/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Forceful destruction successful, exit code 0 [2023-11-06 22:27:57,824 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:27:57,824 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f38bc2-2be0-49f9-8492-9992ce84eb18/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:27:57,825 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f38bc2-2be0-49f9-8492-9992ce84eb18/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:27:57,829 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 [2023-11-06 22:27:57,842 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:27:57,842 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:27:57,842 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:27:57,842 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:27:57,842 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f38bc2-2be0-49f9-8492-9992ce84eb18/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2023-11-06 22:27:57,845 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 22:27:57,845 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 22:27:57,853 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-06 22:27:57,867 INFO L443 ModelExtractionUtils]: Simplification made 9 calls to the SMT solver. [2023-11-06 22:27:57,867 INFO L444 ModelExtractionUtils]: 0 out of 10 variables were initially zero. Simplification set additionally 3 variables to zero. [2023-11-06 22:27:57,867 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:27:57,867 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f38bc2-2be0-49f9-8492-9992ce84eb18/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:27:57,869 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f38bc2-2be0-49f9-8492-9992ce84eb18/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:27:57,871 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-06 22:27:57,873 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f38bc2-2be0-49f9-8492-9992ce84eb18/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2023-11-06 22:27:57,883 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2023-11-06 22:27:57,883 INFO L513 LassoAnalysis]: Proved termination. [2023-11-06 22:27:57,883 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select old(#memory_int) rec_#in~p.base) rec_#in~p.offset)_2) = 2*v_rep(select (select old(#memory_int) rec_#in~p.base) rec_#in~p.offset)_2 + 1 Supporting invariants [1*v_rep(select (select old(#memory_int) rec_#in~p.base) rec_#in~p.offset)_2 - 1*v_rep(select (select #memory_int rec_#in~p.base) rec_#in~p.offset)_2 >= 0] [2023-11-06 22:27:57,886 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f38bc2-2be0-49f9-8492-9992ce84eb18/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Ended with exit code 0 [2023-11-06 22:27:57,893 INFO L156 tatePredicateManager]: 1 out of 2 supporting invariants were superfluous and have been removed [2023-11-06 22:27:57,896 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression old(#memory_int)[#in~p!base] could not be translated [2023-11-06 22:27:57,896 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression old(#memory_int)[#in~p!base][#in~p!offset] could not be translated [2023-11-06 22:27:57,925 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:27:57,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:27:57,992 INFO L262 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-06 22:27:57,995 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:27:58,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:27:58,160 INFO L262 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-06 22:27:58,161 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:27:58,170 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 15 [2023-11-06 22:27:58,210 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 20 [2023-11-06 22:27:58,230 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:27:58,231 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 3 loop predicates [2023-11-06 22:27:58,232 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 82 states and 96 transitions. cyclomatic complexity: 21 Second operand has 5 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 3 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-06 22:27:58,386 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 82 states and 96 transitions. cyclomatic complexity: 21. Second operand has 5 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 3 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Result 106 states and 124 transitions. Complement of second has 17 states. [2023-11-06 22:27:58,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 2 stem states 3 non-accepting loop states 1 accepting loop states [2023-11-06 22:27:58,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 3 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-06 22:27:58,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 16 transitions. [2023-11-06 22:27:58,396 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 16 transitions. Stem has 20 letters. Loop has 3 letters. [2023-11-06 22:27:58,396 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-06 22:27:58,396 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2023-11-06 22:27:58,422 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:27:58,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:27:58,476 INFO L262 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-06 22:27:58,478 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:27:58,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:27:58,657 INFO L262 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-06 22:27:58,658 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:27:58,670 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 15 [2023-11-06 22:27:58,696 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 20 [2023-11-06 22:27:58,717 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:27:58,718 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.2 stem predicates 3 loop predicates [2023-11-06 22:27:58,718 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 82 states and 96 transitions. cyclomatic complexity: 21 Second operand has 5 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 3 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-06 22:27:58,907 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f38bc2-2be0-49f9-8492-9992ce84eb18/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Forceful destruction successful, exit code 0 [2023-11-06 22:27:58,921 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 82 states and 96 transitions. cyclomatic complexity: 21. Second operand has 5 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 3 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Result 106 states and 124 transitions. Complement of second has 17 states. [2023-11-06 22:27:58,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 2 stem states 3 non-accepting loop states 1 accepting loop states [2023-11-06 22:27:58,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 3 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-06 22:27:58,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 16 transitions. [2023-11-06 22:27:58,924 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 16 transitions. Stem has 20 letters. Loop has 3 letters. [2023-11-06 22:27:58,924 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-06 22:27:58,924 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2023-11-06 22:27:58,954 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:27:59,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:27:59,009 INFO L262 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-06 22:27:59,011 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:27:59,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:27:59,175 INFO L262 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-06 22:27:59,176 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:27:59,191 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 15 [2023-11-06 22:27:59,218 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 20 [2023-11-06 22:27:59,239 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:27:59,239 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.2 stem predicates 3 loop predicates [2023-11-06 22:27:59,240 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 82 states and 96 transitions. cyclomatic complexity: 21 Second operand has 5 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 3 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-06 22:27:59,405 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 82 states and 96 transitions. cyclomatic complexity: 21. Second operand has 5 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 3 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Result 154 states and 179 transitions. Complement of second has 19 states. [2023-11-06 22:27:59,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 2 stem states 3 non-accepting loop states 1 accepting loop states [2023-11-06 22:27:59,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 3 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-06 22:27:59,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 19 transitions. [2023-11-06 22:27:59,411 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 19 transitions. Stem has 20 letters. Loop has 3 letters. [2023-11-06 22:27:59,412 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-06 22:27:59,413 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 19 transitions. Stem has 23 letters. Loop has 3 letters. [2023-11-06 22:27:59,413 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-06 22:27:59,413 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 19 transitions. Stem has 20 letters. Loop has 6 letters. [2023-11-06 22:27:59,414 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-06 22:27:59,416 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 154 states and 179 transitions. [2023-11-06 22:27:59,421 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2023-11-06 22:27:59,425 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 154 states to 110 states and 135 transitions. [2023-11-06 22:27:59,425 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 68 [2023-11-06 22:27:59,426 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 76 [2023-11-06 22:27:59,426 INFO L73 IsDeterministic]: Start isDeterministic. Operand 110 states and 135 transitions. [2023-11-06 22:27:59,426 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-06 22:27:59,426 INFO L218 hiAutomatonCegarLoop]: Abstraction has 110 states and 135 transitions. [2023-11-06 22:27:59,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states and 135 transitions. [2023-11-06 22:27:59,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 74. [2023-11-06 22:27:59,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 51 states have (on average 1.196078431372549) internal successors, (61), 54 states have internal predecessors, (61), 10 states have call successors, (10), 10 states have call predecessors, (10), 13 states have return successors, (16), 9 states have call predecessors, (16), 10 states have call successors, (16) [2023-11-06 22:27:59,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 87 transitions. [2023-11-06 22:27:59,436 INFO L240 hiAutomatonCegarLoop]: Abstraction has 74 states and 87 transitions. [2023-11-06 22:27:59,436 INFO L428 stractBuchiCegarLoop]: Abstraction has 74 states and 87 transitions. [2023-11-06 22:27:59,436 INFO L335 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2023-11-06 22:27:59,437 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 74 states and 87 transitions. [2023-11-06 22:27:59,438 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2023-11-06 22:27:59,438 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-06 22:27:59,438 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-06 22:27:59,439 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:27:59,439 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:27:59,440 INFO L748 eck$LassoCheckResult]: Stem: 1380#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 1381#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~nondet8#1, main_#t~ret9#1, main_~op~0#1.base, main_~op~0#1.offset, main_~i~0#1;havoc main_#t~nondet6#1;main_~i~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1; 1390#L20-2 assume !!(main_~i~0#1 > 0);call main_#t~malloc7#1.base, main_#t~malloc7#1.offset := #Ultimate.allocOnHeap(4);main_~op~0#1.base, main_~op~0#1.offset := main_#t~malloc7#1.base, main_#t~malloc7#1.offset;havoc main_#t~malloc7#1.base, main_#t~malloc7#1.offset;havoc main_#t~nondet8#1;call write~int(main_#t~nondet8#1, main_~op~0#1.base, main_~op~0#1.offset, 4);havoc main_#t~nondet8#1; 1377#L23 call main_#t~ret9#1 := rec(main_~op~0#1.base, main_~op~0#1.offset);< 1379#$Ultimate##0 ~p.base, ~p.offset := #in~p.base, #in~p.offset;call #t~mem1 := read~int(~p.base, ~p.offset, 4); 1407#L9 assume #t~mem1 < 0;havoc #t~mem1;call #t~mem2 := read~int(~p.base, ~p.offset, 4);~pv~0 := #t~mem2;havoc #t~mem2;call ULTIMATE.dealloc(~p.base, ~p.offset);#res := ~pv~0; 1391#recFINAL assume true; 1383#recEXIT >#30#return; 1384#L23-1 main_~i~0#1 := main_~i~0#1 + main_#t~ret9#1;havoc main_#t~ret9#1;havoc main_~op~0#1.base, main_~op~0#1.offset; 1374#L20-2 assume !!(main_~i~0#1 > 0);call main_#t~malloc7#1.base, main_#t~malloc7#1.offset := #Ultimate.allocOnHeap(4);main_~op~0#1.base, main_~op~0#1.offset := main_#t~malloc7#1.base, main_#t~malloc7#1.offset;havoc main_#t~malloc7#1.base, main_#t~malloc7#1.offset;havoc main_#t~nondet8#1;call write~int(main_#t~nondet8#1, main_~op~0#1.base, main_~op~0#1.offset, 4);havoc main_#t~nondet8#1; 1375#L23 call main_#t~ret9#1 := rec(main_~op~0#1.base, main_~op~0#1.offset);< 1378#$Ultimate##0 ~p.base, ~p.offset := #in~p.base, #in~p.offset;call #t~mem1 := read~int(~p.base, ~p.offset, 4); 1415#L9 assume !(#t~mem1 < 0);havoc #t~mem1;call #t~mem3 := read~int(~p.base, ~p.offset, 4);#t~post4 := #t~mem3;call write~int(#t~post4 - 1, ~p.base, ~p.offset, 4);havoc #t~mem3;havoc #t~post4; 1371#L15 call #t~ret5 := rec(~p.base, ~p.offset);< 1385#$Ultimate##0 ~p.base, ~p.offset := #in~p.base, #in~p.offset;call #t~mem1 := read~int(~p.base, ~p.offset, 4); 1386#L9 assume #t~mem1 < 0;havoc #t~mem1;call #t~mem2 := read~int(~p.base, ~p.offset, 4);~pv~0 := #t~mem2;havoc #t~mem2;call ULTIMATE.dealloc(~p.base, ~p.offset);#res := ~pv~0; 1440#recFINAL assume true; 1438#recEXIT >#28#return; 1421#L15-1 #res := #t~ret5;havoc #t~ret5; 1416#recFINAL assume true; 1396#recEXIT >#30#return; 1388#L23-1 [2023-11-06 22:27:59,440 INFO L750 eck$LassoCheckResult]: Loop: 1388#L23-1 main_~i~0#1 := main_~i~0#1 + main_#t~ret9#1;havoc main_#t~ret9#1;havoc main_~op~0#1.base, main_~op~0#1.offset; 1389#L20-2 assume !!(main_~i~0#1 > 0);call main_#t~malloc7#1.base, main_#t~malloc7#1.offset := #Ultimate.allocOnHeap(4);main_~op~0#1.base, main_~op~0#1.offset := main_#t~malloc7#1.base, main_#t~malloc7#1.offset;havoc main_#t~malloc7#1.base, main_#t~malloc7#1.offset;havoc main_#t~nondet8#1;call write~int(main_#t~nondet8#1, main_~op~0#1.base, main_~op~0#1.offset, 4);havoc main_#t~nondet8#1; 1418#L23 call main_#t~ret9#1 := rec(main_~op~0#1.base, main_~op~0#1.offset);< 1422#$Ultimate##0 ~p.base, ~p.offset := #in~p.base, #in~p.offset;call #t~mem1 := read~int(~p.base, ~p.offset, 4); 1417#L9 assume #t~mem1 < 0;havoc #t~mem1;call #t~mem2 := read~int(~p.base, ~p.offset, 4);~pv~0 := #t~mem2;havoc #t~mem2;call ULTIMATE.dealloc(~p.base, ~p.offset);#res := ~pv~0; 1419#recFINAL assume true; 1423#recEXIT >#30#return; 1388#L23-1 [2023-11-06 22:27:59,440 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:27:59,440 INFO L85 PathProgramCache]: Analyzing trace with hash 1572162950, now seen corresponding path program 4 times [2023-11-06 22:27:59,441 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:27:59,441 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1146232989] [2023-11-06 22:27:59,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:27:59,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:27:59,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:27:59,460 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:27:59,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:27:59,478 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:27:59,483 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:27:59,484 INFO L85 PathProgramCache]: Analyzing trace with hash -523709736, now seen corresponding path program 3 times [2023-11-06 22:27:59,484 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:27:59,484 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [587362973] [2023-11-06 22:27:59,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:27:59,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:27:59,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:27:59,494 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:27:59,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:27:59,509 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:27:59,512 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:27:59,513 INFO L85 PathProgramCache]: Analyzing trace with hash 1341076915, now seen corresponding path program 5 times [2023-11-06 22:27:59,513 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:27:59,514 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1454796857] [2023-11-06 22:27:59,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:27:59,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:27:59,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:27:59,558 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:27:59,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:27:59,597 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:28:01,548 INFO L210 LassoAnalysis]: Preferences: [2023-11-06 22:28:01,548 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-06 22:28:01,549 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-06 22:28:01,549 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-06 22:28:01,549 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-06 22:28:01,549 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:28:01,549 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-06 22:28:01,549 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-06 22:28:01,549 INFO L133 ssoRankerPreferences]: Filename of dumped script: rec_malloc_ex3.i_Iteration5_Lasso [2023-11-06 22:28:01,549 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-06 22:28:01,550 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-06 22:28:01,556 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:28:01,559 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:28:01,561 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:28:01,564 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:28:01,566 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:28:01,858 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:28:02,218 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-06 22:28:02,218 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-06 22:28:02,218 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:28:02,218 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f38bc2-2be0-49f9-8492-9992ce84eb18/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:28:02,219 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f38bc2-2be0-49f9-8492-9992ce84eb18/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:28:02,229 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 [2023-11-06 22:28:02,241 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:28:02,242 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 22:28:02,242 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:28:02,242 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:28:02,242 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:28:02,243 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 22:28:02,243 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 22:28:02,245 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f38bc2-2be0-49f9-8492-9992ce84eb18/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2023-11-06 22:28:02,256 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:28:02,259 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f38bc2-2be0-49f9-8492-9992ce84eb18/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Forceful destruction successful, exit code 0 [2023-11-06 22:28:02,259 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:28:02,260 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f38bc2-2be0-49f9-8492-9992ce84eb18/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:28:02,261 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f38bc2-2be0-49f9-8492-9992ce84eb18/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:28:02,264 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-06 22:28:02,276 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:28:02,276 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 22:28:02,277 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:28:02,277 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:28:02,277 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:28:02,277 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 22:28:02,277 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 22:28:02,279 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f38bc2-2be0-49f9-8492-9992ce84eb18/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2023-11-06 22:28:02,292 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:28:02,295 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f38bc2-2be0-49f9-8492-9992ce84eb18/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Forceful destruction successful, exit code 0 [2023-11-06 22:28:02,296 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:28:02,296 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f38bc2-2be0-49f9-8492-9992ce84eb18/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:28:02,297 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f38bc2-2be0-49f9-8492-9992ce84eb18/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:28:02,301 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 [2023-11-06 22:28:02,313 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:28:02,313 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 22:28:02,313 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:28:02,313 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:28:02,314 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:28:02,314 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 22:28:02,314 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 22:28:02,315 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f38bc2-2be0-49f9-8492-9992ce84eb18/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2023-11-06 22:28:02,324 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:28:02,328 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f38bc2-2be0-49f9-8492-9992ce84eb18/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Forceful destruction successful, exit code 0 [2023-11-06 22:28:02,329 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:28:02,329 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f38bc2-2be0-49f9-8492-9992ce84eb18/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:28:02,331 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f38bc2-2be0-49f9-8492-9992ce84eb18/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:28:02,335 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 [2023-11-06 22:28:02,347 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:28:02,348 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 22:28:02,348 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:28:02,348 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:28:02,348 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:28:02,348 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 22:28:02,348 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 22:28:02,350 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f38bc2-2be0-49f9-8492-9992ce84eb18/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2023-11-06 22:28:02,360 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:28:02,364 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f38bc2-2be0-49f9-8492-9992ce84eb18/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Ended with exit code 0 [2023-11-06 22:28:02,365 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:28:02,365 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f38bc2-2be0-49f9-8492-9992ce84eb18/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:28:02,366 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f38bc2-2be0-49f9-8492-9992ce84eb18/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:28:02,370 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 [2023-11-06 22:28:02,383 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:28:02,383 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:28:02,383 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:28:02,383 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:28:02,389 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 22:28:02,389 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 22:28:02,392 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f38bc2-2be0-49f9-8492-9992ce84eb18/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2023-11-06 22:28:02,412 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-06 22:28:02,436 INFO L443 ModelExtractionUtils]: Simplification made 9 calls to the SMT solver. [2023-11-06 22:28:02,436 INFO L444 ModelExtractionUtils]: 3 out of 16 variables were initially zero. Simplification set additionally 10 variables to zero. [2023-11-06 22:28:02,436 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:28:02,436 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f38bc2-2be0-49f9-8492-9992ce84eb18/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:28:02,437 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f38bc2-2be0-49f9-8492-9992ce84eb18/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:28:02,445 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-06 22:28:02,457 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f38bc2-2be0-49f9-8492-9992ce84eb18/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2023-11-06 22:28:02,477 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-11-06 22:28:02,477 INFO L513 LassoAnalysis]: Proved termination. [2023-11-06 22:28:02,477 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_#t~ret9#1, ULTIMATE.start_main_~i~0#1) = 1*ULTIMATE.start_main_#t~ret9#1 + 1*ULTIMATE.start_main_~i~0#1 Supporting invariants [] [2023-11-06 22:28:02,481 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f38bc2-2be0-49f9-8492-9992ce84eb18/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Forceful destruction successful, exit code 0 [2023-11-06 22:28:02,485 INFO L156 tatePredicateManager]: 2 out of 2 supporting invariants were superfluous and have been removed [2023-11-06 22:28:02,498 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:28:02,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:28:02,545 INFO L262 TraceCheckSpWp]: Trace formula consists of 238 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-06 22:28:02,547 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:28:02,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:28:02,699 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-06 22:28:02,700 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:28:02,763 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2023-11-06 22:28:02,787 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:28:02,789 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 6 loop predicates [2023-11-06 22:28:02,789 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 74 states and 87 transitions. cyclomatic complexity: 18 Second operand has 8 states, 7 states have (on average 2.0) internal successors, (14), 6 states have internal predecessors, (14), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2023-11-06 22:28:02,912 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 74 states and 87 transitions. cyclomatic complexity: 18. Second operand has 8 states, 7 states have (on average 2.0) internal successors, (14), 6 states have internal predecessors, (14), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Result 118 states and 139 transitions. Complement of second has 21 states. [2023-11-06 22:28:02,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 8 states 2 stem states 5 non-accepting loop states 1 accepting loop states [2023-11-06 22:28:02,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 7 states have (on average 2.0) internal successors, (14), 6 states have internal predecessors, (14), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2023-11-06 22:28:02,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 26 transitions. [2023-11-06 22:28:02,915 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 26 transitions. Stem has 21 letters. Loop has 7 letters. [2023-11-06 22:28:02,915 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-06 22:28:02,915 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2023-11-06 22:28:02,933 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:28:02,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:28:02,979 INFO L262 TraceCheckSpWp]: Trace formula consists of 238 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-06 22:28:02,981 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:28:03,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:28:03,126 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-06 22:28:03,127 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:28:03,191 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2023-11-06 22:28:03,214 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:28:03,214 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.2 stem predicates 6 loop predicates [2023-11-06 22:28:03,215 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 74 states and 87 transitions. cyclomatic complexity: 18 Second operand has 8 states, 7 states have (on average 2.0) internal successors, (14), 6 states have internal predecessors, (14), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2023-11-06 22:28:03,305 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 74 states and 87 transitions. cyclomatic complexity: 18. Second operand has 8 states, 7 states have (on average 2.0) internal successors, (14), 6 states have internal predecessors, (14), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Result 118 states and 139 transitions. Complement of second has 21 states. [2023-11-06 22:28:03,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 8 states 2 stem states 5 non-accepting loop states 1 accepting loop states [2023-11-06 22:28:03,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 7 states have (on average 2.0) internal successors, (14), 6 states have internal predecessors, (14), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2023-11-06 22:28:03,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 26 transitions. [2023-11-06 22:28:03,307 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 26 transitions. Stem has 21 letters. Loop has 7 letters. [2023-11-06 22:28:03,307 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-06 22:28:03,307 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2023-11-06 22:28:03,319 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:28:03,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:28:03,367 INFO L262 TraceCheckSpWp]: Trace formula consists of 238 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-06 22:28:03,368 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:28:03,396 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f38bc2-2be0-49f9-8492-9992ce84eb18/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Forceful destruction successful, exit code 0 [2023-11-06 22:28:03,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:28:03,553 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-06 22:28:03,554 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:28:03,612 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2023-11-06 22:28:03,632 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:28:03,632 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.2 stem predicates 6 loop predicates [2023-11-06 22:28:03,633 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 74 states and 87 transitions. cyclomatic complexity: 18 Second operand has 8 states, 7 states have (on average 2.0) internal successors, (14), 6 states have internal predecessors, (14), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2023-11-06 22:28:03,732 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 74 states and 87 transitions. cyclomatic complexity: 18. Second operand has 8 states, 7 states have (on average 2.0) internal successors, (14), 6 states have internal predecessors, (14), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Result 143 states and 169 transitions. Complement of second has 22 states. [2023-11-06 22:28:03,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 8 states 2 stem states 5 non-accepting loop states 1 accepting loop states [2023-11-06 22:28:03,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 7 states have (on average 2.0) internal successors, (14), 6 states have internal predecessors, (14), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2023-11-06 22:28:03,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 28 transitions. [2023-11-06 22:28:03,735 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 28 transitions. Stem has 21 letters. Loop has 7 letters. [2023-11-06 22:28:03,736 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-06 22:28:03,736 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 28 transitions. Stem has 28 letters. Loop has 7 letters. [2023-11-06 22:28:03,737 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-06 22:28:03,737 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 28 transitions. Stem has 21 letters. Loop has 14 letters. [2023-11-06 22:28:03,739 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-06 22:28:03,739 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 143 states and 169 transitions. [2023-11-06 22:28:03,744 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2023-11-06 22:28:03,750 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 143 states to 94 states and 109 transitions. [2023-11-06 22:28:03,750 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 57 [2023-11-06 22:28:03,752 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 59 [2023-11-06 22:28:03,752 INFO L73 IsDeterministic]: Start isDeterministic. Operand 94 states and 109 transitions. [2023-11-06 22:28:03,752 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-06 22:28:03,752 INFO L218 hiAutomatonCegarLoop]: Abstraction has 94 states and 109 transitions. [2023-11-06 22:28:03,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states and 109 transitions. [2023-11-06 22:28:03,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 32. [2023-11-06 22:28:03,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 23 states have (on average 1.2173913043478262) internal successors, (28), 23 states have internal predecessors, (28), 4 states have call successors, (4), 4 states have call predecessors, (4), 5 states have return successors, (6), 4 states have call predecessors, (6), 4 states have call successors, (6) [2023-11-06 22:28:03,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 38 transitions. [2023-11-06 22:28:03,774 INFO L240 hiAutomatonCegarLoop]: Abstraction has 32 states and 38 transitions. [2023-11-06 22:28:03,774 INFO L428 stractBuchiCegarLoop]: Abstraction has 32 states and 38 transitions. [2023-11-06 22:28:03,774 INFO L335 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2023-11-06 22:28:03,774 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 32 states and 38 transitions. [2023-11-06 22:28:03,775 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2023-11-06 22:28:03,776 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-06 22:28:03,776 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-06 22:28:03,777 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2023-11-06 22:28:03,777 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:28:03,778 INFO L748 eck$LassoCheckResult]: Stem: 2206#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 2207#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~nondet8#1, main_#t~ret9#1, main_~op~0#1.base, main_~op~0#1.offset, main_~i~0#1;havoc main_#t~nondet6#1;main_~i~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1; 2215#L20-2 assume !!(main_~i~0#1 > 0);call main_#t~malloc7#1.base, main_#t~malloc7#1.offset := #Ultimate.allocOnHeap(4);main_~op~0#1.base, main_~op~0#1.offset := main_#t~malloc7#1.base, main_#t~malloc7#1.offset;havoc main_#t~malloc7#1.base, main_#t~malloc7#1.offset;havoc main_#t~nondet8#1;call write~int(main_#t~nondet8#1, main_~op~0#1.base, main_~op~0#1.offset, 4);havoc main_#t~nondet8#1; 2199#L23 [2023-11-06 22:28:03,778 INFO L750 eck$LassoCheckResult]: Loop: 2199#L23 call main_#t~ret9#1 := rec(main_~op~0#1.base, main_~op~0#1.offset);< 2204#$Ultimate##0 ~p.base, ~p.offset := #in~p.base, #in~p.offset;call #t~mem1 := read~int(~p.base, ~p.offset, 4); 2218#L9 assume !(#t~mem1 < 0);havoc #t~mem1;call #t~mem3 := read~int(~p.base, ~p.offset, 4);#t~post4 := #t~mem3;call write~int(#t~post4 - 1, ~p.base, ~p.offset, 4);havoc #t~mem3;havoc #t~post4; 2202#L15 call #t~ret5 := rec(~p.base, ~p.offset);< 2211#$Ultimate##0 ~p.base, ~p.offset := #in~p.base, #in~p.offset;call #t~mem1 := read~int(~p.base, ~p.offset, 4); 2213#L9 assume #t~mem1 < 0;havoc #t~mem1;call #t~mem2 := read~int(~p.base, ~p.offset, 4);~pv~0 := #t~mem2;havoc #t~mem2;call ULTIMATE.dealloc(~p.base, ~p.offset);#res := ~pv~0; 2223#recFINAL assume true; 2221#recEXIT >#28#return; 2220#L15-1 #res := #t~ret5;havoc #t~ret5; 2219#recFINAL assume true; 2217#recEXIT >#30#return; 2214#L23-1 main_~i~0#1 := main_~i~0#1 + main_#t~ret9#1;havoc main_#t~ret9#1;havoc main_~op~0#1.base, main_~op~0#1.offset; 2198#L20-2 assume !!(main_~i~0#1 > 0);call main_#t~malloc7#1.base, main_#t~malloc7#1.offset := #Ultimate.allocOnHeap(4);main_~op~0#1.base, main_~op~0#1.offset := main_#t~malloc7#1.base, main_#t~malloc7#1.offset;havoc main_#t~malloc7#1.base, main_#t~malloc7#1.offset;havoc main_#t~nondet8#1;call write~int(main_#t~nondet8#1, main_~op~0#1.base, main_~op~0#1.offset, 4);havoc main_#t~nondet8#1; 2199#L23 [2023-11-06 22:28:03,778 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:28:03,779 INFO L85 PathProgramCache]: Analyzing trace with hash 37808, now seen corresponding path program 1 times [2023-11-06 22:28:03,779 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:28:03,779 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [364502573] [2023-11-06 22:28:03,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:28:03,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:28:03,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:28:03,791 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:28:03,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:28:03,796 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:28:03,797 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:28:03,797 INFO L85 PathProgramCache]: Analyzing trace with hash -669629144, now seen corresponding path program 1 times [2023-11-06 22:28:03,797 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:28:03,797 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [291947411] [2023-11-06 22:28:03,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:28:03,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:28:03,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:28:03,808 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:28:03,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:28:03,818 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:28:03,819 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:28:03,819 INFO L85 PathProgramCache]: Analyzing trace with hash -1720097319, now seen corresponding path program 6 times [2023-11-06 22:28:03,819 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:28:03,819 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1478290035] [2023-11-06 22:28:03,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:28:03,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:28:03,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:28:03,832 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:28:03,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:28:03,844 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:28:04,661 INFO L210 LassoAnalysis]: Preferences: [2023-11-06 22:28:04,661 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-06 22:28:04,661 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-06 22:28:04,661 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-06 22:28:04,661 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-06 22:28:04,661 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:28:04,661 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-06 22:28:04,661 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-06 22:28:04,661 INFO L133 ssoRankerPreferences]: Filename of dumped script: rec_malloc_ex3.i_Iteration6_Lasso [2023-11-06 22:28:04,661 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-06 22:28:04,662 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-06 22:28:04,663 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:28:04,666 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:28:04,668 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:28:04,675 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:28:04,801 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:28:04,808 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:28:04,810 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:28:04,813 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:28:05,062 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-06 22:28:05,063 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-06 22:28:05,063 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:28:05,063 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f38bc2-2be0-49f9-8492-9992ce84eb18/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:28:05,065 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f38bc2-2be0-49f9-8492-9992ce84eb18/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:28:05,070 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 [2023-11-06 22:28:05,072 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f38bc2-2be0-49f9-8492-9992ce84eb18/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2023-11-06 22:28:05,081 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:28:05,081 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 22:28:05,081 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:28:05,081 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:28:05,081 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:28:05,082 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 22:28:05,082 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 22:28:05,083 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:28:05,085 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f38bc2-2be0-49f9-8492-9992ce84eb18/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Ended with exit code 0 [2023-11-06 22:28:05,086 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:28:05,086 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f38bc2-2be0-49f9-8492-9992ce84eb18/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:28:05,087 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f38bc2-2be0-49f9-8492-9992ce84eb18/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:28:05,089 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f38bc2-2be0-49f9-8492-9992ce84eb18/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2023-11-06 22:28:05,089 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 [2023-11-06 22:28:05,100 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:28:05,100 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 22:28:05,100 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:28:05,100 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:28:05,100 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:28:05,100 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 22:28:05,100 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 22:28:05,102 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:28:05,104 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f38bc2-2be0-49f9-8492-9992ce84eb18/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Ended with exit code 0 [2023-11-06 22:28:05,104 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:28:05,104 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f38bc2-2be0-49f9-8492-9992ce84eb18/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:28:05,105 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f38bc2-2be0-49f9-8492-9992ce84eb18/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:28:05,107 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f38bc2-2be0-49f9-8492-9992ce84eb18/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2023-11-06 22:28:05,108 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 [2023-11-06 22:28:05,117 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:28:05,118 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:28:05,118 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:28:05,118 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:28:05,120 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 22:28:05,120 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 22:28:05,131 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-06 22:28:05,139 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2023-11-06 22:28:05,139 INFO L444 ModelExtractionUtils]: 2 out of 7 variables were initially zero. Simplification set additionally 3 variables to zero. [2023-11-06 22:28:05,139 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:28:05,139 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f38bc2-2be0-49f9-8492-9992ce84eb18/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:28:05,145 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f38bc2-2be0-49f9-8492-9992ce84eb18/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:28:05,151 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-06 22:28:05,154 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f38bc2-2be0-49f9-8492-9992ce84eb18/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2023-11-06 22:28:05,162 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-11-06 22:28:05,162 INFO L513 LassoAnalysis]: Proved termination. [2023-11-06 22:28:05,162 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1) = 1*ULTIMATE.start_main_~i~0#1 Supporting invariants [] [2023-11-06 22:28:05,165 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f38bc2-2be0-49f9-8492-9992ce84eb18/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Ended with exit code 0 [2023-11-06 22:28:05,168 INFO L156 tatePredicateManager]: 2 out of 2 supporting invariants were superfluous and have been removed [2023-11-06 22:28:05,179 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:28:05,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:28:05,191 INFO L262 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-06 22:28:05,191 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:28:05,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:28:05,231 INFO L262 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-06 22:28:05,232 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:28:05,273 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2023-11-06 22:28:05,358 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-06 22:28:05,358 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 7 loop predicates [2023-11-06 22:28:05,359 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 32 states and 38 transitions. cyclomatic complexity: 8 Second operand has 8 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 6 states have internal predecessors, (11), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-06 22:28:05,441 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 32 states and 38 transitions. cyclomatic complexity: 8. Second operand has 8 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 6 states have internal predecessors, (11), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Result 69 states and 86 transitions. Complement of second has 22 states. [2023-11-06 22:28:05,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 8 states 1 stem states 6 non-accepting loop states 1 accepting loop states [2023-11-06 22:28:05,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 6 states have internal predecessors, (11), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-06 22:28:05,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 14 transitions. [2023-11-06 22:28:05,444 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 14 transitions. Stem has 3 letters. Loop has 13 letters. [2023-11-06 22:28:05,445 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-06 22:28:05,445 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 14 transitions. Stem has 16 letters. Loop has 13 letters. [2023-11-06 22:28:05,445 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-06 22:28:05,445 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 14 transitions. Stem has 3 letters. Loop has 26 letters. [2023-11-06 22:28:05,446 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-06 22:28:05,446 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 69 states and 86 transitions. [2023-11-06 22:28:05,447 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-06 22:28:05,448 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 69 states to 0 states and 0 transitions. [2023-11-06 22:28:05,448 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2023-11-06 22:28:05,448 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2023-11-06 22:28:05,448 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2023-11-06 22:28:05,448 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:28:05,448 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-06 22:28:05,448 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-06 22:28:05,449 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-06 22:28:05,449 INFO L335 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2023-11-06 22:28:05,449 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2023-11-06 22:28:05,449 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-06 22:28:05,449 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2023-11-06 22:28:05,455 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 06.11 10:28:05 BoogieIcfgContainer [2023-11-06 22:28:05,455 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-11-06 22:28:05,456 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-06 22:28:05,456 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-06 22:28:05,456 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-06 22:28:05,456 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:27:46" (3/4) ... [2023-11-06 22:28:05,458 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-06 22:28:05,459 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-06 22:28:05,459 INFO L158 Benchmark]: Toolchain (without parser) took 19328.57ms. Allocated memory was 153.1MB in the beginning and 226.5MB in the end (delta: 73.4MB). Free memory was 111.9MB in the beginning and 155.6MB in the end (delta: -43.7MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2023-11-06 22:28:05,460 INFO L158 Benchmark]: CDTParser took 1.13ms. Allocated memory is still 109.1MB. Free memory is still 58.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:28:05,460 INFO L158 Benchmark]: CACSL2BoogieTranslator took 269.04ms. Allocated memory is still 153.1MB. Free memory was 111.7MB in the beginning and 102.0MB in the end (delta: 9.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-06 22:28:05,460 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.21ms. Allocated memory is still 153.1MB. Free memory was 102.0MB in the beginning and 100.5MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:28:05,461 INFO L158 Benchmark]: Boogie Preprocessor took 29.19ms. Allocated memory is still 153.1MB. Free memory was 100.5MB in the beginning and 99.4MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 22:28:05,461 INFO L158 Benchmark]: RCFGBuilder took 335.65ms. Allocated memory is still 153.1MB. Free memory was 99.4MB in the beginning and 89.6MB in the end (delta: 9.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-06 22:28:05,462 INFO L158 Benchmark]: BuchiAutomizer took 18645.86ms. Allocated memory was 153.1MB in the beginning and 226.5MB in the end (delta: 73.4MB). Free memory was 89.4MB in the beginning and 155.6MB in the end (delta: -66.2MB). Peak memory consumption was 8.5MB. Max. memory is 16.1GB. [2023-11-06 22:28:05,462 INFO L158 Benchmark]: Witness Printer took 2.90ms. Allocated memory is still 226.5MB. Free memory is still 155.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:28:05,464 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.13ms. Allocated memory is still 109.1MB. Free memory is still 58.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 269.04ms. Allocated memory is still 153.1MB. Free memory was 111.7MB in the beginning and 102.0MB in the end (delta: 9.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.21ms. Allocated memory is still 153.1MB. Free memory was 102.0MB in the beginning and 100.5MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 29.19ms. Allocated memory is still 153.1MB. Free memory was 100.5MB in the beginning and 99.4MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 335.65ms. Allocated memory is still 153.1MB. Free memory was 99.4MB in the beginning and 89.6MB in the end (delta: 9.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 18645.86ms. Allocated memory was 153.1MB in the beginning and 226.5MB in the end (delta: 73.4MB). Free memory was 89.4MB in the beginning and 155.6MB in the end (delta: -66.2MB). Peak memory consumption was 8.5MB. Max. memory is 16.1GB. * Witness Printer took 2.90ms. Allocated memory is still 226.5MB. Free memory is still 155.6MB. 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[#in~p!base] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[#in~p!base][0] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression old(#memory_int)[#in~p!base] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression old(#memory_int)[#in~p!base][#in~p!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 6 terminating modules (0 trivial, 4 deterministic, 2 nondeterministic). One deterministic module has affine ranking function i and consists of 9 locations. One deterministic module has affine ranking function NULL and consists of 8 locations. One deterministic module has affine ranking function (org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@ed9731f + i) and consists of 8 locations. One deterministic module has affine ranking function i and consists of 8 locations. One nondeterministic module has affine ranking function NULL and consists of 6 locations. One nondeterministic module has affine ranking function (org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@ed9731f + i) and consists of 8 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 18.5s and 7 iterations. TraceHistogramMax:3. Analysis of lassos took 14.0s. Construction of modules took 0.4s. Büchi inclusion checks took 3.8s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 5. Automata minimization 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 111 StatesRemovedByMinimization, 5 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 [4, 0, 2, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 4/4 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 168 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 162 mSDsluCounter, 246 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 124 mSDsCounter, 126 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 395 IncrementalHoareTripleChecker+Invalid, 521 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 126 mSolverCounterUnsat, 122 mSDtfsCounter, 395 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso6 LassoPreprocessingBenchmarks: Lassos: inital152 mio100 ax100 hnf100 lsp146 ukn50 mio100 lsp37 div100 bol100 ite100 ukn100 eq162 hnf94 smp100 dnf159 smp88 tf100 neg100 sie114 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 44ms VariablesStem: 2 VariablesLoop: 2 DisjunctsStem: 2 DisjunctsLoop: 2 SupportingInvariants: 4 MotzkinApplications: 20 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! [2023-11-06 22:28:05,478 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f38bc2-2be0-49f9-8492-9992ce84eb18/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Forceful destruction successful, exit code 0 [2023-11-06 22:28:05,683 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f38bc2-2be0-49f9-8492-9992ce84eb18/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE