./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/CookSeeZuleger-2013TACAS-Fig3-alloca-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d4037ca-4855-4f0b-967c-08510f893edb/bin/uautomizer-verify-uTZkv6EMXl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d4037ca-4855-4f0b-967c-08510f893edb/bin/uautomizer-verify-uTZkv6EMXl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d4037ca-4855-4f0b-967c-08510f893edb/bin/uautomizer-verify-uTZkv6EMXl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d4037ca-4855-4f0b-967c-08510f893edb/bin/uautomizer-verify-uTZkv6EMXl/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/CookSeeZuleger-2013TACAS-Fig3-alloca-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d4037ca-4855-4f0b-967c-08510f893edb/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d4037ca-4855-4f0b-967c-08510f893edb/bin/uautomizer-verify-uTZkv6EMXl --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 57960152a9bf4b248c47f0c82a3b75491126a96d6b32b1df09f50fe85234d3e3 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 02:03:09,024 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 02:03:09,105 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d4037ca-4855-4f0b-967c-08510f893edb/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Termination-64bit-Automizer_Default.epf [2023-11-12 02:03:09,111 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 02:03:09,112 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 02:03:09,136 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 02:03:09,137 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 02:03:09,137 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 02:03:09,138 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 02:03:09,139 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 02:03:09,140 INFO L153 SettingsManager]: * Use SBE=true [2023-11-12 02:03:09,140 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-12 02:03:09,141 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-12 02:03:09,142 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-12 02:03:09,142 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-12 02:03:09,143 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-12 02:03:09,143 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-12 02:03:09,144 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 02:03:09,145 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-12 02:03:09,145 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 02:03:09,146 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 02:03:09,147 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-12 02:03:09,147 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-12 02:03:09,148 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-12 02:03:09,149 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-12 02:03:09,149 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 02:03:09,150 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-12 02:03:09,151 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 02:03:09,151 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 02:03:09,152 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 02:03:09,152 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 02:03:09,153 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-12 02:03:09,154 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-12 02:03:09,154 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_9d4037ca-4855-4f0b-967c-08510f893edb/bin/uautomizer-verify-uTZkv6EMXl/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d4037ca-4855-4f0b-967c-08510f893edb/bin/uautomizer-verify-uTZkv6EMXl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 57960152a9bf4b248c47f0c82a3b75491126a96d6b32b1df09f50fe85234d3e3 [2023-11-12 02:03:09,486 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 02:03:09,507 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 02:03:09,510 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 02:03:09,511 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 02:03:09,512 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 02:03:09,513 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d4037ca-4855-4f0b-967c-08510f893edb/bin/uautomizer-verify-uTZkv6EMXl/../../sv-benchmarks/c/termination-memory-alloca/CookSeeZuleger-2013TACAS-Fig3-alloca-2.i [2023-11-12 02:03:12,549 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 02:03:12,780 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 02:03:12,781 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d4037ca-4855-4f0b-967c-08510f893edb/sv-benchmarks/c/termination-memory-alloca/CookSeeZuleger-2013TACAS-Fig3-alloca-2.i [2023-11-12 02:03:12,802 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d4037ca-4855-4f0b-967c-08510f893edb/bin/uautomizer-verify-uTZkv6EMXl/data/8834ad7b0/b0c9f0d9bf054ab1bcee6537471aac80/FLAGbaa99918a [2023-11-12 02:03:12,819 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d4037ca-4855-4f0b-967c-08510f893edb/bin/uautomizer-verify-uTZkv6EMXl/data/8834ad7b0/b0c9f0d9bf054ab1bcee6537471aac80 [2023-11-12 02:03:12,822 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 02:03:12,824 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 02:03:12,826 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 02:03:12,826 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 02:03:12,831 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 02:03:12,832 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:03:12" (1/1) ... [2023-11-12 02:03:12,833 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27664503 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:03:12, skipping insertion in model container [2023-11-12 02:03:12,833 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:03:12" (1/1) ... [2023-11-12 02:03:12,903 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 02:03:13,189 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:03:13,202 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 02:03:13,240 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:03:13,270 INFO L206 MainTranslator]: Completed translation [2023-11-12 02:03:13,270 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:03:13 WrapperNode [2023-11-12 02:03:13,271 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 02:03:13,272 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 02:03:13,272 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 02:03:13,272 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 02:03:13,281 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:03:13" (1/1) ... [2023-11-12 02:03:13,309 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:03:13" (1/1) ... [2023-11-12 02:03:13,331 INFO L138 Inliner]: procedures = 110, calls = 15, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 46 [2023-11-12 02:03:13,332 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 02:03:13,333 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 02:03:13,333 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 02:03:13,333 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 02:03:13,342 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:03:13" (1/1) ... [2023-11-12 02:03:13,342 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:03:13" (1/1) ... [2023-11-12 02:03:13,360 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:03:13" (1/1) ... [2023-11-12 02:03:13,360 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:03:13" (1/1) ... [2023-11-12 02:03:13,364 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:03:13" (1/1) ... [2023-11-12 02:03:13,368 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:03:13" (1/1) ... [2023-11-12 02:03:13,369 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:03:13" (1/1) ... [2023-11-12 02:03:13,370 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:03:13" (1/1) ... [2023-11-12 02:03:13,372 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 02:03:13,373 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 02:03:13,373 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 02:03:13,373 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 02:03:13,374 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:03:13" (1/1) ... [2023-11-12 02:03:13,381 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:03:13,393 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d4037ca-4855-4f0b-967c-08510f893edb/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:03:13,412 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d4037ca-4855-4f0b-967c-08510f893edb/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:03:13,426 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d4037ca-4855-4f0b-967c-08510f893edb/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-12 02:03:13,445 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-12 02:03:13,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-12 02:03:13,445 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 02:03:13,445 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 02:03:13,445 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 02:03:13,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 02:03:13,546 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 02:03:13,548 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 02:03:13,707 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 02:03:13,713 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 02:03:13,713 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 02:03:13,715 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:03:13 BoogieIcfgContainer [2023-11-12 02:03:13,716 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 02:03:13,717 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-11-12 02:03:13,717 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-11-12 02:03:13,721 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-11-12 02:03:13,722 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-12 02:03:13,722 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 12.11 02:03:12" (1/3) ... [2023-11-12 02:03:13,723 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7f2580d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 12.11 02:03:13, skipping insertion in model container [2023-11-12 02:03:13,723 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-12 02:03:13,723 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:03:13" (2/3) ... [2023-11-12 02:03:13,724 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7f2580d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 12.11 02:03:13, skipping insertion in model container [2023-11-12 02:03:13,724 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-12 02:03:13,724 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:03:13" (3/3) ... [2023-11-12 02:03:13,725 INFO L332 chiAutomizerObserver]: Analyzing ICFG CookSeeZuleger-2013TACAS-Fig3-alloca-2.i [2023-11-12 02:03:13,793 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-11-12 02:03:13,793 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-11-12 02:03:13,793 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-11-12 02:03:13,794 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-11-12 02:03:13,794 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-11-12 02:03:13,794 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-11-12 02:03:13,794 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-11-12 02:03:13,794 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-11-12 02:03:13,799 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 10 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:03:13,817 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2023-11-12 02:03:13,818 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-12 02:03:13,818 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-12 02:03:13,823 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-11-12 02:03:13,824 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2023-11-12 02:03:13,824 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-11-12 02:03:13,824 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 10 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:03:13,825 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2023-11-12 02:03:13,826 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-12 02:03:13,826 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-12 02:03:13,826 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-11-12 02:03:13,827 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2023-11-12 02:03:13,835 INFO L748 eck$LassoCheckResult]: Stem: 7#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 9#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet4#1, main_#t~nondet5#1, main_#t~nondet9#1, main_#t~mem10#1, main_#t~nondet11#1, main_#t~mem12#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~short8#1, main_~x~0#1.base, main_~x~0#1.offset, main_~y~0#1.base, main_~y~0#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~x~0#1.base, main_~x~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~y~0#1.base, main_~y~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_#t~nondet4#1;call write~int(main_#t~nondet4#1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~nondet4#1;havoc main_#t~nondet5#1;call write~int(main_#t~nondet5#1, main_~y~0#1.base, main_~y~0#1.offset, 4);havoc main_#t~nondet5#1; 8#L553-2true [2023-11-12 02:03:13,835 INFO L750 eck$LassoCheckResult]: Loop: 8#L553-2true call main_#t~mem6#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~short8#1 := main_#t~mem6#1 > 0; 10#L552-1true assume main_#t~short8#1;call main_#t~mem7#1 := read~int(main_~y~0#1.base, main_~y~0#1.offset, 4);main_#t~short8#1 := main_#t~mem7#1 > 0; 4#L552-3true assume !!main_#t~short8#1;havoc main_#t~mem6#1;havoc main_#t~mem7#1;havoc main_#t~short8#1;havoc main_#t~nondet9#1; 3#L553true assume 0 != main_#t~nondet9#1;havoc main_#t~nondet9#1;call main_#t~mem10#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);call write~int(main_#t~mem10#1 - 1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem10#1; 8#L553-2true [2023-11-12 02:03:13,842 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:03:13,842 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2023-11-12 02:03:13,852 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:03:13,853 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [906535787] [2023-11-12 02:03:13,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:03:13,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:03:13,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:03:13,980 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:03:13,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:03:14,019 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:03:14,023 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:03:14,023 INFO L85 PathProgramCache]: Analyzing trace with hash 1142247, now seen corresponding path program 1 times [2023-11-12 02:03:14,023 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:03:14,024 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1803933429] [2023-11-12 02:03:14,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:03:14,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:03:14,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:03:14,043 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:03:14,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:03:14,057 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:03:14,059 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:03:14,059 INFO L85 PathProgramCache]: Analyzing trace with hash 889569449, now seen corresponding path program 1 times [2023-11-12 02:03:14,059 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:03:14,060 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1397058256] [2023-11-12 02:03:14,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:03:14,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:03:14,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:03:14,106 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:03:14,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:03:14,153 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:03:14,742 INFO L210 LassoAnalysis]: Preferences: [2023-11-12 02:03:14,743 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-12 02:03:14,743 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-12 02:03:14,743 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-12 02:03:14,744 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-12 02:03:14,744 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:03:14,744 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-12 02:03:14,744 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-12 02:03:14,744 INFO L133 ssoRankerPreferences]: Filename of dumped script: CookSeeZuleger-2013TACAS-Fig3-alloca-2.i_Iteration1_Lasso [2023-11-12 02:03:14,745 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-12 02:03:14,745 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-12 02:03:14,765 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:03:14,773 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:03:14,776 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:03:14,779 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:03:14,783 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:03:14,787 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:03:14,790 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:03:15,191 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:03:15,196 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:03:15,199 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:03:15,204 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:03:15,207 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:03:15,212 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:03:15,216 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:03:15,221 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:03:15,224 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:03:15,618 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-12 02:03:15,623 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-12 02:03:15,624 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:03:15,625 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d4037ca-4855-4f0b-967c-08510f893edb/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:03:15,628 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d4037ca-4855-4f0b-967c-08510f893edb/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:03:15,646 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-12 02:03:15,660 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:03:15,661 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-12 02:03:15,661 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:03:15,662 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:03:15,662 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:03:15,664 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-12 02:03:15,665 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-12 02:03:15,666 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d4037ca-4855-4f0b-967c-08510f893edb/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2023-11-12 02:03:15,678 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:03:15,687 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d4037ca-4855-4f0b-967c-08510f893edb/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2023-11-12 02:03:15,688 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:03:15,688 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d4037ca-4855-4f0b-967c-08510f893edb/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:03:15,692 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d4037ca-4855-4f0b-967c-08510f893edb/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:03:15,699 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d4037ca-4855-4f0b-967c-08510f893edb/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2023-11-12 02:03:15,700 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-12 02:03:15,711 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:03:15,711 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-12 02:03:15,712 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:03:15,712 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:03:15,712 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:03:15,713 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-12 02:03:15,713 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-12 02:03:15,723 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:03:15,731 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d4037ca-4855-4f0b-967c-08510f893edb/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2023-11-12 02:03:15,732 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:03:15,732 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d4037ca-4855-4f0b-967c-08510f893edb/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:03:15,733 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d4037ca-4855-4f0b-967c-08510f893edb/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:03:15,741 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d4037ca-4855-4f0b-967c-08510f893edb/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2023-11-12 02:03:15,744 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-12 02:03:15,756 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:03:15,756 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-12 02:03:15,757 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:03:15,757 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:03:15,757 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:03:15,758 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-12 02:03:15,758 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-12 02:03:15,771 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:03:15,777 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d4037ca-4855-4f0b-967c-08510f893edb/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2023-11-12 02:03:15,778 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:03:15,778 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d4037ca-4855-4f0b-967c-08510f893edb/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:03:15,779 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d4037ca-4855-4f0b-967c-08510f893edb/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:03:15,783 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-12 02:03:15,796 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:03:15,796 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:03:15,797 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:03:15,797 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:03:15,803 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-12 02:03:15,803 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-12 02:03:15,805 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d4037ca-4855-4f0b-967c-08510f893edb/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2023-11-12 02:03:15,817 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:03:15,831 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d4037ca-4855-4f0b-967c-08510f893edb/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2023-11-12 02:03:15,832 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:03:15,832 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d4037ca-4855-4f0b-967c-08510f893edb/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:03:15,833 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d4037ca-4855-4f0b-967c-08510f893edb/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:03:15,845 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-12 02:03:15,858 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:03:15,858 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:03:15,858 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:03:15,859 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:03:15,864 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-12 02:03:15,864 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-12 02:03:15,866 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d4037ca-4855-4f0b-967c-08510f893edb/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2023-11-12 02:03:15,891 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:03:15,900 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d4037ca-4855-4f0b-967c-08510f893edb/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2023-11-12 02:03:15,900 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:03:15,900 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d4037ca-4855-4f0b-967c-08510f893edb/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:03:15,902 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d4037ca-4855-4f0b-967c-08510f893edb/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:03:15,908 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-12 02:03:15,920 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:03:15,921 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-12 02:03:15,921 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:03:15,921 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:03:15,921 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:03:15,924 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-12 02:03:15,924 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-12 02:03:15,925 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d4037ca-4855-4f0b-967c-08510f893edb/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2023-11-12 02:03:15,947 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:03:15,954 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d4037ca-4855-4f0b-967c-08510f893edb/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2023-11-12 02:03:15,954 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:03:15,954 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d4037ca-4855-4f0b-967c-08510f893edb/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:03:15,956 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d4037ca-4855-4f0b-967c-08510f893edb/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:03:15,964 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d4037ca-4855-4f0b-967c-08510f893edb/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2023-11-12 02:03:15,964 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-12 02:03:15,975 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:03:15,975 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:03:15,976 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:03:15,976 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:03:15,981 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-12 02:03:15,981 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-12 02:03:15,994 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:03:15,999 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d4037ca-4855-4f0b-967c-08510f893edb/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2023-11-12 02:03:16,000 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:03:16,000 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d4037ca-4855-4f0b-967c-08510f893edb/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:03:16,001 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d4037ca-4855-4f0b-967c-08510f893edb/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:03:16,008 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-12 02:03:16,020 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:03:16,020 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:03:16,021 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:03:16,021 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:03:16,025 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-12 02:03:16,025 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-12 02:03:16,027 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d4037ca-4855-4f0b-967c-08510f893edb/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2023-11-12 02:03:16,039 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:03:16,047 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d4037ca-4855-4f0b-967c-08510f893edb/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2023-11-12 02:03:16,048 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:03:16,048 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d4037ca-4855-4f0b-967c-08510f893edb/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:03:16,049 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d4037ca-4855-4f0b-967c-08510f893edb/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:03:16,056 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d4037ca-4855-4f0b-967c-08510f893edb/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2023-11-12 02:03:16,056 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-12 02:03:16,069 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:03:16,069 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:03:16,069 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:03:16,069 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:03:16,074 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-12 02:03:16,075 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-12 02:03:16,095 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:03:16,104 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d4037ca-4855-4f0b-967c-08510f893edb/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2023-11-12 02:03:16,105 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:03:16,105 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d4037ca-4855-4f0b-967c-08510f893edb/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:03:16,106 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d4037ca-4855-4f0b-967c-08510f893edb/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:03:16,119 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-12 02:03:16,132 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:03:16,132 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:03:16,132 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:03:16,132 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:03:16,137 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d4037ca-4855-4f0b-967c-08510f893edb/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2023-11-12 02:03:16,138 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-12 02:03:16,139 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-12 02:03:16,159 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-12 02:03:16,201 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2023-11-12 02:03:16,202 INFO L444 ModelExtractionUtils]: 3 out of 10 variables were initially zero. Simplification set additionally 5 variables to zero. [2023-11-12 02:03:16,203 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:03:16,204 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d4037ca-4855-4f0b-967c-08510f893edb/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:03:16,242 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d4037ca-4855-4f0b-967c-08510f893edb/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:03:16,248 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-12 02:03:16,275 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d4037ca-4855-4f0b-967c-08510f893edb/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2023-11-12 02:03:16,277 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-11-12 02:03:16,278 INFO L513 LassoAnalysis]: Proved termination. [2023-11-12 02:03:16,278 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~x~0#1.base) 0)_1) = 1*v_rep(select (select #memory_int ULTIMATE.start_main_~x~0#1.base) 0)_1 Supporting invariants [] [2023-11-12 02:03:16,287 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d4037ca-4855-4f0b-967c-08510f893edb/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2023-11-12 02:03:16,350 INFO L156 tatePredicateManager]: 12 out of 13 supporting invariants were superfluous and have been removed [2023-11-12 02:03:16,355 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~x~0!base][0] could not be translated [2023-11-12 02:03:16,399 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:03:16,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:03:16,426 INFO L262 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-12 02:03:16,428 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:03:16,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:03:16,451 INFO L262 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-12 02:03:16,452 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:03:16,560 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:03:16,602 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2023-11-12 02:03:16,604 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 10 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:03:16,639 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d4037ca-4855-4f0b-967c-08510f893edb/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2023-11-12 02:03:16,748 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 10 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 32 states and 42 transitions. Complement of second has 10 states. [2023-11-12 02:03:16,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2023-11-12 02:03:16,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:03:16,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 16 transitions. [2023-11-12 02:03:16,758 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 16 transitions. Stem has 2 letters. Loop has 4 letters. [2023-11-12 02:03:16,759 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-12 02:03:16,759 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 16 transitions. Stem has 6 letters. Loop has 4 letters. [2023-11-12 02:03:16,759 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-12 02:03:16,759 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 16 transitions. Stem has 2 letters. Loop has 8 letters. [2023-11-12 02:03:16,760 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-12 02:03:16,761 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 32 states and 42 transitions. [2023-11-12 02:03:16,763 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2023-11-12 02:03:16,767 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 32 states to 16 states and 22 transitions. [2023-11-12 02:03:16,768 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2023-11-12 02:03:16,768 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2023-11-12 02:03:16,769 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 22 transitions. [2023-11-12 02:03:16,769 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-12 02:03:16,769 INFO L218 hiAutomatonCegarLoop]: Abstraction has 16 states and 22 transitions. [2023-11-12 02:03:16,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states and 22 transitions. [2023-11-12 02:03:16,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 14. [2023-11-12 02:03:16,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 14 states have (on average 1.4285714285714286) internal successors, (20), 13 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:03:16,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 20 transitions. [2023-11-12 02:03:16,797 INFO L240 hiAutomatonCegarLoop]: Abstraction has 14 states and 20 transitions. [2023-11-12 02:03:16,797 INFO L428 stractBuchiCegarLoop]: Abstraction has 14 states and 20 transitions. [2023-11-12 02:03:16,797 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-11-12 02:03:16,798 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states and 20 transitions. [2023-11-12 02:03:16,799 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2023-11-12 02:03:16,799 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-12 02:03:16,799 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-12 02:03:16,799 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2023-11-12 02:03:16,800 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2023-11-12 02:03:16,800 INFO L748 eck$LassoCheckResult]: Stem: 154#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 155#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet4#1, main_#t~nondet5#1, main_#t~nondet9#1, main_#t~mem10#1, main_#t~nondet11#1, main_#t~mem12#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~short8#1, main_~x~0#1.base, main_~x~0#1.offset, main_~y~0#1.base, main_~y~0#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~x~0#1.base, main_~x~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~y~0#1.base, main_~y~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_#t~nondet4#1;call write~int(main_#t~nondet4#1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~nondet4#1;havoc main_#t~nondet5#1;call write~int(main_#t~nondet5#1, main_~y~0#1.base, main_~y~0#1.offset, 4);havoc main_#t~nondet5#1; 159#L553-2 call main_#t~mem6#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~short8#1 := main_#t~mem6#1 > 0; 158#L552-1 assume !main_#t~short8#1; 152#L552-3 assume !!main_#t~short8#1;havoc main_#t~mem6#1;havoc main_#t~mem7#1;havoc main_#t~short8#1;havoc main_#t~nondet9#1; 148#L553 assume !(0 != main_#t~nondet9#1);havoc main_#t~nondet9#1;havoc main_#t~nondet11#1;call write~int(main_#t~nondet11#1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~nondet11#1;call main_#t~mem12#1 := read~int(main_~y~0#1.base, main_~y~0#1.offset, 4);call write~int(main_#t~mem12#1 - 1, main_~y~0#1.base, main_~y~0#1.offset, 4);havoc main_#t~mem12#1; 149#L553-2 [2023-11-12 02:03:16,800 INFO L750 eck$LassoCheckResult]: Loop: 149#L553-2 call main_#t~mem6#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~short8#1 := main_#t~mem6#1 > 0; 156#L552-1 assume main_#t~short8#1;call main_#t~mem7#1 := read~int(main_~y~0#1.base, main_~y~0#1.offset, 4);main_#t~short8#1 := main_#t~mem7#1 > 0; 161#L552-3 assume !!main_#t~short8#1;havoc main_#t~mem6#1;havoc main_#t~mem7#1;havoc main_#t~short8#1;havoc main_#t~nondet9#1; 160#L553 assume 0 != main_#t~nondet9#1;havoc main_#t~nondet9#1;call main_#t~mem10#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);call write~int(main_#t~mem10#1 - 1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem10#1; 149#L553-2 [2023-11-12 02:03:16,801 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:03:16,801 INFO L85 PathProgramCache]: Analyzing trace with hash 889571373, now seen corresponding path program 1 times [2023-11-12 02:03:16,801 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:03:16,802 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [725750678] [2023-11-12 02:03:16,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:03:16,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:03:16,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:03:16,879 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:03:16,879 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:03:16,879 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [725750678] [2023-11-12 02:03:16,880 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [725750678] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:03:16,880 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:03:16,881 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 02:03:16,881 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1709242197] [2023-11-12 02:03:16,882 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:03:16,884 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-12 02:03:16,884 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:03:16,884 INFO L85 PathProgramCache]: Analyzing trace with hash 1142247, now seen corresponding path program 2 times [2023-11-12 02:03:16,885 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:03:16,885 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [818035290] [2023-11-12 02:03:16,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:03:16,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:03:16,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:03:16,897 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:03:16,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:03:16,906 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:03:17,050 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:03:17,052 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 02:03:17,053 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 02:03:17,054 INFO L87 Difference]: Start difference. First operand 14 states and 20 transitions. cyclomatic complexity: 8 Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:03:17,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:03:17,070 INFO L93 Difference]: Finished difference Result 17 states and 20 transitions. [2023-11-12 02:03:17,070 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 17 states and 20 transitions. [2023-11-12 02:03:17,071 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2023-11-12 02:03:17,072 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 17 states to 14 states and 17 transitions. [2023-11-12 02:03:17,072 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2023-11-12 02:03:17,072 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2023-11-12 02:03:17,072 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 17 transitions. [2023-11-12 02:03:17,073 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-12 02:03:17,073 INFO L218 hiAutomatonCegarLoop]: Abstraction has 14 states and 17 transitions. [2023-11-12 02:03:17,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states and 17 transitions. [2023-11-12 02:03:17,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2023-11-12 02:03:17,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 14 states have (on average 1.2142857142857142) internal successors, (17), 13 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:03:17,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 17 transitions. [2023-11-12 02:03:17,075 INFO L240 hiAutomatonCegarLoop]: Abstraction has 14 states and 17 transitions. [2023-11-12 02:03:17,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 02:03:17,077 INFO L428 stractBuchiCegarLoop]: Abstraction has 14 states and 17 transitions. [2023-11-12 02:03:17,077 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2023-11-12 02:03:17,077 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states and 17 transitions. [2023-11-12 02:03:17,078 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2023-11-12 02:03:17,078 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-12 02:03:17,078 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-12 02:03:17,079 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2023-11-12 02:03:17,079 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2023-11-12 02:03:17,079 INFO L748 eck$LassoCheckResult]: Stem: 191#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 192#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet4#1, main_#t~nondet5#1, main_#t~nondet9#1, main_#t~mem10#1, main_#t~nondet11#1, main_#t~mem12#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~short8#1, main_~x~0#1.base, main_~x~0#1.offset, main_~y~0#1.base, main_~y~0#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~x~0#1.base, main_~x~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~y~0#1.base, main_~y~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_#t~nondet4#1;call write~int(main_#t~nondet4#1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~nondet4#1;havoc main_#t~nondet5#1;call write~int(main_#t~nondet5#1, main_~y~0#1.base, main_~y~0#1.offset, 4);havoc main_#t~nondet5#1; 196#L553-2 call main_#t~mem6#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~short8#1 := main_#t~mem6#1 > 0; 195#L552-1 assume main_#t~short8#1;call main_#t~mem7#1 := read~int(main_~y~0#1.base, main_~y~0#1.offset, 4);main_#t~short8#1 := main_#t~mem7#1 > 0; 189#L552-3 assume !!main_#t~short8#1;havoc main_#t~mem6#1;havoc main_#t~mem7#1;havoc main_#t~short8#1;havoc main_#t~nondet9#1; 185#L553 assume !(0 != main_#t~nondet9#1);havoc main_#t~nondet9#1;havoc main_#t~nondet11#1;call write~int(main_#t~nondet11#1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~nondet11#1;call main_#t~mem12#1 := read~int(main_~y~0#1.base, main_~y~0#1.offset, 4);call write~int(main_#t~mem12#1 - 1, main_~y~0#1.base, main_~y~0#1.offset, 4);havoc main_#t~mem12#1; 186#L553-2 [2023-11-12 02:03:17,080 INFO L750 eck$LassoCheckResult]: Loop: 186#L553-2 call main_#t~mem6#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~short8#1 := main_#t~mem6#1 > 0; 193#L552-1 assume main_#t~short8#1;call main_#t~mem7#1 := read~int(main_~y~0#1.base, main_~y~0#1.offset, 4);main_#t~short8#1 := main_#t~mem7#1 > 0; 198#L552-3 assume !!main_#t~short8#1;havoc main_#t~mem6#1;havoc main_#t~mem7#1;havoc main_#t~short8#1;havoc main_#t~nondet9#1; 197#L553 assume 0 != main_#t~nondet9#1;havoc main_#t~nondet9#1;call main_#t~mem10#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);call write~int(main_#t~mem10#1 - 1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem10#1; 186#L553-2 [2023-11-12 02:03:17,080 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:03:17,080 INFO L85 PathProgramCache]: Analyzing trace with hash 889569451, now seen corresponding path program 1 times [2023-11-12 02:03:17,081 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:03:17,081 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [749005248] [2023-11-12 02:03:17,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:03:17,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:03:17,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:03:17,106 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:03:17,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:03:17,126 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:03:17,127 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:03:17,127 INFO L85 PathProgramCache]: Analyzing trace with hash 1142247, now seen corresponding path program 3 times [2023-11-12 02:03:17,127 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:03:17,128 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [658914570] [2023-11-12 02:03:17,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:03:17,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:03:17,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:03:17,138 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:03:17,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:03:17,146 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:03:17,147 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:03:17,147 INFO L85 PathProgramCache]: Analyzing trace with hash -980235887, now seen corresponding path program 1 times [2023-11-12 02:03:17,147 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:03:17,147 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1095132271] [2023-11-12 02:03:17,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:03:17,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:03:17,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:03:17,171 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:03:17,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:03:17,203 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:03:17,912 INFO L210 LassoAnalysis]: Preferences: [2023-11-12 02:03:17,912 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-12 02:03:17,912 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-12 02:03:17,912 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-12 02:03:17,912 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-12 02:03:17,913 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:03:17,913 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-12 02:03:17,913 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-12 02:03:17,913 INFO L133 ssoRankerPreferences]: Filename of dumped script: CookSeeZuleger-2013TACAS-Fig3-alloca-2.i_Iteration3_Lasso [2023-11-12 02:03:17,913 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-12 02:03:17,913 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-12 02:03:17,920 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:03:18,296 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:03:18,299 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:03:18,304 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:03:18,307 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:03:18,312 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:03:18,315 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:03:18,318 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:03:18,321 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:03:18,324 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:03:18,327 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:03:18,333 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:03:18,341 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:03:18,343 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:03:18,347 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:03:18,350 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:03:18,672 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-12 02:03:18,672 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-12 02:03:18,672 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:03:18,672 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d4037ca-4855-4f0b-967c-08510f893edb/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:03:18,674 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d4037ca-4855-4f0b-967c-08510f893edb/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:03:18,687 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d4037ca-4855-4f0b-967c-08510f893edb/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2023-11-12 02:03:18,688 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-12 02:03:18,698 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:03:18,699 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:03:18,699 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:03:18,699 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:03:18,701 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-12 02:03:18,701 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-12 02:03:18,706 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:03:18,712 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d4037ca-4855-4f0b-967c-08510f893edb/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2023-11-12 02:03:18,712 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:03:18,712 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d4037ca-4855-4f0b-967c-08510f893edb/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:03:18,718 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d4037ca-4855-4f0b-967c-08510f893edb/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:03:18,722 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d4037ca-4855-4f0b-967c-08510f893edb/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2023-11-12 02:03:18,724 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-12 02:03:18,734 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:03:18,734 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:03:18,734 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:03:18,735 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:03:18,742 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-12 02:03:18,742 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-12 02:03:18,755 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:03:18,758 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d4037ca-4855-4f0b-967c-08510f893edb/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2023-11-12 02:03:18,758 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:03:18,759 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d4037ca-4855-4f0b-967c-08510f893edb/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:03:18,760 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d4037ca-4855-4f0b-967c-08510f893edb/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:03:18,763 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d4037ca-4855-4f0b-967c-08510f893edb/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2023-11-12 02:03:18,764 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-12 02:03:18,774 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:03:18,774 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:03:18,774 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:03:18,774 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:03:18,778 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-12 02:03:18,779 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-12 02:03:18,791 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-12 02:03:18,801 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2023-11-12 02:03:18,801 INFO L444 ModelExtractionUtils]: 5 out of 10 variables were initially zero. Simplification set additionally 3 variables to zero. [2023-11-12 02:03:18,801 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:03:18,801 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d4037ca-4855-4f0b-967c-08510f893edb/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:03:18,804 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d4037ca-4855-4f0b-967c-08510f893edb/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:03:18,816 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d4037ca-4855-4f0b-967c-08510f893edb/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2023-11-12 02:03:18,817 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-12 02:03:18,838 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-11-12 02:03:18,838 INFO L513 LassoAnalysis]: Proved termination. [2023-11-12 02:03:18,839 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~x~0#1.base) 0)_2) = 1*v_rep(select (select #memory_int ULTIMATE.start_main_~x~0#1.base) 0)_2 Supporting invariants [] [2023-11-12 02:03:18,849 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d4037ca-4855-4f0b-967c-08510f893edb/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2023-11-12 02:03:18,892 INFO L156 tatePredicateManager]: 12 out of 13 supporting invariants were superfluous and have been removed [2023-11-12 02:03:18,895 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~x~0!base][0] could not be translated [2023-11-12 02:03:18,922 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:03:18,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:03:18,957 INFO L262 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-12 02:03:18,959 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:03:19,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:03:19,001 INFO L262 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-12 02:03:19,003 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:03:19,092 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:03:19,092 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 3 loop predicates [2023-11-12 02:03:19,093 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 14 states and 17 transitions. cyclomatic complexity: 5 Second operand has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:03:19,166 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 14 states and 17 transitions. cyclomatic complexity: 5. Second operand has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 22 states and 27 transitions. Complement of second has 8 states. [2023-11-12 02:03:19,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2023-11-12 02:03:19,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:03:19,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 11 transitions. [2023-11-12 02:03:19,169 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 11 transitions. Stem has 6 letters. Loop has 4 letters. [2023-11-12 02:03:19,169 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-12 02:03:19,170 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 11 transitions. Stem has 10 letters. Loop has 4 letters. [2023-11-12 02:03:19,170 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-12 02:03:19,170 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 11 transitions. Stem has 6 letters. Loop has 8 letters. [2023-11-12 02:03:19,171 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-12 02:03:19,171 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 22 states and 27 transitions. [2023-11-12 02:03:19,173 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2023-11-12 02:03:19,174 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 22 states to 22 states and 27 transitions. [2023-11-12 02:03:19,174 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2023-11-12 02:03:19,175 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14 [2023-11-12 02:03:19,175 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 27 transitions. [2023-11-12 02:03:19,175 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-12 02:03:19,175 INFO L218 hiAutomatonCegarLoop]: Abstraction has 22 states and 27 transitions. [2023-11-12 02:03:19,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states and 27 transitions. [2023-11-12 02:03:19,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2023-11-12 02:03:19,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 22 states have (on average 1.2272727272727273) internal successors, (27), 21 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:03:19,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 27 transitions. [2023-11-12 02:03:19,184 INFO L240 hiAutomatonCegarLoop]: Abstraction has 22 states and 27 transitions. [2023-11-12 02:03:19,184 INFO L428 stractBuchiCegarLoop]: Abstraction has 22 states and 27 transitions. [2023-11-12 02:03:19,184 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2023-11-12 02:03:19,185 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 22 states and 27 transitions. [2023-11-12 02:03:19,189 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2023-11-12 02:03:19,189 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-12 02:03:19,189 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-12 02:03:19,190 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 2, 2, 1, 1] [2023-11-12 02:03:19,190 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2023-11-12 02:03:19,190 INFO L748 eck$LassoCheckResult]: Stem: 343#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 344#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet4#1, main_#t~nondet5#1, main_#t~nondet9#1, main_#t~mem10#1, main_#t~nondet11#1, main_#t~mem12#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~short8#1, main_~x~0#1.base, main_~x~0#1.offset, main_~y~0#1.base, main_~y~0#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~x~0#1.base, main_~x~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~y~0#1.base, main_~y~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_#t~nondet4#1;call write~int(main_#t~nondet4#1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~nondet4#1;havoc main_#t~nondet5#1;call write~int(main_#t~nondet5#1, main_~y~0#1.base, main_~y~0#1.offset, 4);havoc main_#t~nondet5#1; 345#L553-2 call main_#t~mem6#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~short8#1 := main_#t~mem6#1 > 0; 349#L552-1 assume main_#t~short8#1;call main_#t~mem7#1 := read~int(main_~y~0#1.base, main_~y~0#1.offset, 4);main_#t~short8#1 := main_#t~mem7#1 > 0; 348#L552-3 assume !!main_#t~short8#1;havoc main_#t~mem6#1;havoc main_#t~mem7#1;havoc main_#t~short8#1;havoc main_#t~nondet9#1; 347#L553 assume !(0 != main_#t~nondet9#1);havoc main_#t~nondet9#1;havoc main_#t~nondet11#1;call write~int(main_#t~nondet11#1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~nondet11#1;call main_#t~mem12#1 := read~int(main_~y~0#1.base, main_~y~0#1.offset, 4);call write~int(main_#t~mem12#1 - 1, main_~y~0#1.base, main_~y~0#1.offset, 4);havoc main_#t~mem12#1; 346#L553-2 call main_#t~mem6#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~short8#1 := main_#t~mem6#1 > 0; 342#L552-1 assume main_#t~short8#1;call main_#t~mem7#1 := read~int(main_~y~0#1.base, main_~y~0#1.offset, 4);main_#t~short8#1 := main_#t~mem7#1 > 0; 338#L552-3 assume !!main_#t~short8#1;havoc main_#t~mem6#1;havoc main_#t~mem7#1;havoc main_#t~short8#1;havoc main_#t~nondet9#1; 334#L553 assume !(0 != main_#t~nondet9#1);havoc main_#t~nondet9#1;havoc main_#t~nondet11#1;call write~int(main_#t~nondet11#1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~nondet11#1;call main_#t~mem12#1 := read~int(main_~y~0#1.base, main_~y~0#1.offset, 4);call write~int(main_#t~mem12#1 - 1, main_~y~0#1.base, main_~y~0#1.offset, 4);havoc main_#t~mem12#1; 335#L553-2 [2023-11-12 02:03:19,190 INFO L750 eck$LassoCheckResult]: Loop: 335#L553-2 call main_#t~mem6#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~short8#1 := main_#t~mem6#1 > 0; 340#L552-1 assume main_#t~short8#1;call main_#t~mem7#1 := read~int(main_~y~0#1.base, main_~y~0#1.offset, 4);main_#t~short8#1 := main_#t~mem7#1 > 0; 353#L552-3 assume !!main_#t~short8#1;havoc main_#t~mem6#1;havoc main_#t~mem7#1;havoc main_#t~short8#1;havoc main_#t~nondet9#1; 350#L553 assume 0 != main_#t~nondet9#1;havoc main_#t~nondet9#1;call main_#t~mem10#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);call write~int(main_#t~mem10#1 - 1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem10#1; 335#L553-2 [2023-11-12 02:03:19,191 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:03:19,191 INFO L85 PathProgramCache]: Analyzing trace with hash -980235885, now seen corresponding path program 2 times [2023-11-12 02:03:19,191 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:03:19,192 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1550093417] [2023-11-12 02:03:19,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:03:19,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:03:19,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:03:19,245 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:03:19,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:03:19,272 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:03:19,275 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:03:19,275 INFO L85 PathProgramCache]: Analyzing trace with hash 1142247, now seen corresponding path program 4 times [2023-11-12 02:03:19,276 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:03:19,276 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [563555628] [2023-11-12 02:03:19,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:03:19,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:03:19,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:03:19,292 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:03:19,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:03:19,304 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:03:19,307 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:03:19,307 INFO L85 PathProgramCache]: Analyzing trace with hash -987685255, now seen corresponding path program 2 times [2023-11-12 02:03:19,307 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:03:19,307 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [405102983] [2023-11-12 02:03:19,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:03:19,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:03:19,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:03:19,357 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:03:19,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:03:19,400 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:03:20,235 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d4037ca-4855-4f0b-967c-08510f893edb/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2023-11-12 02:03:20,548 INFO L210 LassoAnalysis]: Preferences: [2023-11-12 02:03:20,548 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-12 02:03:20,549 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-12 02:03:20,549 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-12 02:03:20,549 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-12 02:03:20,549 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:03:20,549 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-12 02:03:20,549 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-12 02:03:20,549 INFO L133 ssoRankerPreferences]: Filename of dumped script: CookSeeZuleger-2013TACAS-Fig3-alloca-2.i_Iteration4_Lasso [2023-11-12 02:03:20,549 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-12 02:03:20,549 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-12 02:03:20,553 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:03:20,557 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:03:20,862 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:03:20,871 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:03:20,873 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:03:20,875 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:03:20,878 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:03:20,881 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:03:20,883 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:03:20,885 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:03:20,888 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:03:20,890 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:03:20,893 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:03:20,895 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:03:20,901 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:03:21,200 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-12 02:03:21,201 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-12 02:03:21,201 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:03:21,201 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d4037ca-4855-4f0b-967c-08510f893edb/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:03:21,208 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d4037ca-4855-4f0b-967c-08510f893edb/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:03:21,217 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-12 02:03:21,229 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:03:21,229 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-12 02:03:21,229 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:03:21,230 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:03:21,230 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:03:21,230 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-12 02:03:21,231 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-12 02:03:21,232 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d4037ca-4855-4f0b-967c-08510f893edb/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2023-11-12 02:03:21,236 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:03:21,240 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d4037ca-4855-4f0b-967c-08510f893edb/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2023-11-12 02:03:21,240 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:03:21,240 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d4037ca-4855-4f0b-967c-08510f893edb/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:03:21,241 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d4037ca-4855-4f0b-967c-08510f893edb/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:03:21,248 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-12 02:03:21,249 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d4037ca-4855-4f0b-967c-08510f893edb/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2023-11-12 02:03:21,258 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:03:21,259 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:03:21,259 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:03:21,259 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:03:21,262 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-12 02:03:21,262 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-12 02:03:21,275 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:03:21,283 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d4037ca-4855-4f0b-967c-08510f893edb/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2023-11-12 02:03:21,283 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:03:21,284 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d4037ca-4855-4f0b-967c-08510f893edb/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:03:21,285 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d4037ca-4855-4f0b-967c-08510f893edb/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:03:21,293 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d4037ca-4855-4f0b-967c-08510f893edb/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2023-11-12 02:03:21,294 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 [2023-11-12 02:03:21,305 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:03:21,305 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-12 02:03:21,305 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:03:21,306 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:03:21,306 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:03:21,307 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-12 02:03:21,307 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-12 02:03:21,318 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:03:21,327 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d4037ca-4855-4f0b-967c-08510f893edb/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2023-11-12 02:03:21,328 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:03:21,328 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d4037ca-4855-4f0b-967c-08510f893edb/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:03:21,329 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d4037ca-4855-4f0b-967c-08510f893edb/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:03:21,340 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d4037ca-4855-4f0b-967c-08510f893edb/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2023-11-12 02:03:21,340 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-12 02:03:21,356 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:03:21,356 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:03:21,356 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:03:21,356 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:03:21,363 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-12 02:03:21,363 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-12 02:03:21,383 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:03:21,387 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d4037ca-4855-4f0b-967c-08510f893edb/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2023-11-12 02:03:21,387 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:03:21,387 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d4037ca-4855-4f0b-967c-08510f893edb/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:03:21,389 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d4037ca-4855-4f0b-967c-08510f893edb/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:03:21,405 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-12 02:03:21,418 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:03:21,418 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:03:21,418 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:03:21,418 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:03:21,420 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-12 02:03:21,421 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-12 02:03:21,421 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d4037ca-4855-4f0b-967c-08510f893edb/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2023-11-12 02:03:21,439 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:03:21,445 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d4037ca-4855-4f0b-967c-08510f893edb/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2023-11-12 02:03:21,446 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:03:21,446 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d4037ca-4855-4f0b-967c-08510f893edb/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:03:21,447 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d4037ca-4855-4f0b-967c-08510f893edb/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:03:21,452 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-12 02:03:21,455 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d4037ca-4855-4f0b-967c-08510f893edb/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2023-11-12 02:03:21,464 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:03:21,466 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:03:21,466 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:03:21,466 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:03:21,469 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-12 02:03:21,469 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-12 02:03:21,487 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:03:21,491 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d4037ca-4855-4f0b-967c-08510f893edb/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2023-11-12 02:03:21,491 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:03:21,491 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d4037ca-4855-4f0b-967c-08510f893edb/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:03:21,492 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d4037ca-4855-4f0b-967c-08510f893edb/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:03:21,500 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-12 02:03:21,512 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:03:21,512 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:03:21,512 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:03:21,512 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:03:21,514 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-12 02:03:21,514 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-12 02:03:21,516 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d4037ca-4855-4f0b-967c-08510f893edb/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2023-11-12 02:03:21,533 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:03:21,536 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d4037ca-4855-4f0b-967c-08510f893edb/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Ended with exit code 0 [2023-11-12 02:03:21,536 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:03:21,537 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d4037ca-4855-4f0b-967c-08510f893edb/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:03:21,537 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d4037ca-4855-4f0b-967c-08510f893edb/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:03:21,542 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-12 02:03:21,547 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d4037ca-4855-4f0b-967c-08510f893edb/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2023-11-12 02:03:21,552 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:03:21,552 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:03:21,552 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:03:21,553 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:03:21,554 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-12 02:03:21,555 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-12 02:03:21,575 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:03:21,584 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d4037ca-4855-4f0b-967c-08510f893edb/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2023-11-12 02:03:21,584 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:03:21,585 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d4037ca-4855-4f0b-967c-08510f893edb/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:03:21,586 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d4037ca-4855-4f0b-967c-08510f893edb/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:03:21,592 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-12 02:03:21,604 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:03:21,604 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:03:21,605 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:03:21,605 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:03:21,606 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d4037ca-4855-4f0b-967c-08510f893edb/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2023-11-12 02:03:21,609 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-12 02:03:21,609 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-12 02:03:21,627 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:03:21,635 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d4037ca-4855-4f0b-967c-08510f893edb/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2023-11-12 02:03:21,636 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:03:21,636 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d4037ca-4855-4f0b-967c-08510f893edb/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:03:21,637 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d4037ca-4855-4f0b-967c-08510f893edb/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:03:21,641 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d4037ca-4855-4f0b-967c-08510f893edb/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2023-11-12 02:03:21,641 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-12 02:03:21,653 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:03:21,653 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-12 02:03:21,654 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:03:21,654 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:03:21,654 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:03:21,655 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-12 02:03:21,655 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-12 02:03:21,670 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-12 02:03:21,684 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2023-11-12 02:03:21,684 INFO L444 ModelExtractionUtils]: 1 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2023-11-12 02:03:21,684 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:03:21,684 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d4037ca-4855-4f0b-967c-08510f893edb/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:03:21,688 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d4037ca-4855-4f0b-967c-08510f893edb/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:03:21,698 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d4037ca-4855-4f0b-967c-08510f893edb/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2023-11-12 02:03:21,698 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-12 02:03:21,699 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2023-11-12 02:03:21,699 INFO L513 LassoAnalysis]: Proved termination. [2023-11-12 02:03:21,699 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~x~0#1.base) ULTIMATE.start_main_~x~0#1.offset)_3) = 1*v_rep(select (select #memory_int ULTIMATE.start_main_~x~0#1.base) ULTIMATE.start_main_~x~0#1.offset)_3 Supporting invariants [] [2023-11-12 02:03:21,703 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d4037ca-4855-4f0b-967c-08510f893edb/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2023-11-12 02:03:21,742 INFO L156 tatePredicateManager]: 11 out of 11 supporting invariants were superfluous and have been removed [2023-11-12 02:03:21,743 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~x~0!base][~x~0!offset] could not be translated [2023-11-12 02:03:21,757 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:03:21,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:03:21,825 INFO L262 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-12 02:03:21,826 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:03:21,827 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d4037ca-4855-4f0b-967c-08510f893edb/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2023-11-12 02:03:21,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:03:21,854 INFO L262 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-12 02:03:21,855 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:03:21,905 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:03:21,906 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2023-11-12 02:03:21,906 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 22 states and 27 transitions. cyclomatic complexity: 8 Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:03:21,939 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 22 states and 27 transitions. cyclomatic complexity: 8. Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 28 states and 35 transitions. Complement of second has 7 states. [2023-11-12 02:03:21,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2023-11-12 02:03:21,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:03:21,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 11 transitions. [2023-11-12 02:03:21,941 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 11 transitions. Stem has 10 letters. Loop has 4 letters. [2023-11-12 02:03:21,941 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-12 02:03:21,941 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2023-11-12 02:03:21,952 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:03:21,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:03:21,979 INFO L262 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-12 02:03:21,980 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:03:21,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:03:22,000 INFO L262 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-12 02:03:22,001 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:03:22,053 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:03:22,054 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 3 loop predicates [2023-11-12 02:03:22,054 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 22 states and 27 transitions. cyclomatic complexity: 8 Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:03:22,087 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 22 states and 27 transitions. cyclomatic complexity: 8. Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 28 states and 35 transitions. Complement of second has 7 states. [2023-11-12 02:03:22,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2023-11-12 02:03:22,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:03:22,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 11 transitions. [2023-11-12 02:03:22,090 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 11 transitions. Stem has 10 letters. Loop has 4 letters. [2023-11-12 02:03:22,090 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-12 02:03:22,091 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2023-11-12 02:03:22,101 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:03:22,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:03:22,131 INFO L262 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-12 02:03:22,132 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:03:22,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:03:22,155 INFO L262 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-12 02:03:22,156 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:03:22,207 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:03:22,208 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2023-11-12 02:03:22,208 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 22 states and 27 transitions. cyclomatic complexity: 8 Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:03:22,242 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 22 states and 27 transitions. cyclomatic complexity: 8. Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 32 states and 40 transitions. Complement of second has 6 states. [2023-11-12 02:03:22,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2023-11-12 02:03:22,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:03:22,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 12 transitions. [2023-11-12 02:03:22,244 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 10 letters. Loop has 4 letters. [2023-11-12 02:03:22,244 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-12 02:03:22,245 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 14 letters. Loop has 4 letters. [2023-11-12 02:03:22,245 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-12 02:03:22,245 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 10 letters. Loop has 8 letters. [2023-11-12 02:03:22,245 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-12 02:03:22,246 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 32 states and 40 transitions. [2023-11-12 02:03:22,247 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2023-11-12 02:03:22,248 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 32 states to 26 states and 32 transitions. [2023-11-12 02:03:22,248 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 [2023-11-12 02:03:22,249 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14 [2023-11-12 02:03:22,249 INFO L73 IsDeterministic]: Start isDeterministic. Operand 26 states and 32 transitions. [2023-11-12 02:03:22,249 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-12 02:03:22,249 INFO L218 hiAutomatonCegarLoop]: Abstraction has 26 states and 32 transitions. [2023-11-12 02:03:22,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states and 32 transitions. [2023-11-12 02:03:22,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 10. [2023-11-12 02:03:22,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 10 states have (on average 1.2) internal successors, (12), 9 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:03:22,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 12 transitions. [2023-11-12 02:03:22,251 INFO L240 hiAutomatonCegarLoop]: Abstraction has 10 states and 12 transitions. [2023-11-12 02:03:22,252 INFO L428 stractBuchiCegarLoop]: Abstraction has 10 states and 12 transitions. [2023-11-12 02:03:22,252 INFO L335 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2023-11-12 02:03:22,252 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states and 12 transitions. [2023-11-12 02:03:22,252 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2023-11-12 02:03:22,253 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-12 02:03:22,253 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-12 02:03:22,253 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-11-12 02:03:22,253 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2023-11-12 02:03:22,253 INFO L748 eck$LassoCheckResult]: Stem: 663#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 664#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet4#1, main_#t~nondet5#1, main_#t~nondet9#1, main_#t~mem10#1, main_#t~nondet11#1, main_#t~mem12#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~short8#1, main_~x~0#1.base, main_~x~0#1.offset, main_~y~0#1.base, main_~y~0#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~x~0#1.base, main_~x~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~y~0#1.base, main_~y~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_#t~nondet4#1;call write~int(main_#t~nondet4#1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~nondet4#1;havoc main_#t~nondet5#1;call write~int(main_#t~nondet5#1, main_~y~0#1.base, main_~y~0#1.offset, 4);havoc main_#t~nondet5#1; 656#L553-2 [2023-11-12 02:03:22,254 INFO L750 eck$LassoCheckResult]: Loop: 656#L553-2 call main_#t~mem6#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~short8#1 := main_#t~mem6#1 > 0; 662#L552-1 assume main_#t~short8#1;call main_#t~mem7#1 := read~int(main_~y~0#1.base, main_~y~0#1.offset, 4);main_#t~short8#1 := main_#t~mem7#1 > 0; 659#L552-3 assume !!main_#t~short8#1;havoc main_#t~mem6#1;havoc main_#t~mem7#1;havoc main_#t~short8#1;havoc main_#t~nondet9#1; 655#L553 assume !(0 != main_#t~nondet9#1);havoc main_#t~nondet9#1;havoc main_#t~nondet11#1;call write~int(main_#t~nondet11#1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~nondet11#1;call main_#t~mem12#1 := read~int(main_~y~0#1.base, main_~y~0#1.offset, 4);call write~int(main_#t~mem12#1 - 1, main_~y~0#1.base, main_~y~0#1.offset, 4);havoc main_#t~mem12#1; 656#L553-2 [2023-11-12 02:03:22,254 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:03:22,254 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 2 times [2023-11-12 02:03:22,254 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:03:22,255 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1537925492] [2023-11-12 02:03:22,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:03:22,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:03:22,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:03:22,265 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:03:22,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:03:22,272 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:03:22,273 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:03:22,273 INFO L85 PathProgramCache]: Analyzing trace with hash 1142249, now seen corresponding path program 1 times [2023-11-12 02:03:22,273 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:03:22,273 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [221636122] [2023-11-12 02:03:22,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:03:22,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:03:22,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:03:22,281 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:03:22,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:03:22,287 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:03:22,287 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:03:22,287 INFO L85 PathProgramCache]: Analyzing trace with hash 889569451, now seen corresponding path program 3 times [2023-11-12 02:03:22,288 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:03:22,288 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [89755216] [2023-11-12 02:03:22,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:03:22,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:03:22,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:03:22,300 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:03:22,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:03:22,310 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:03:22,799 INFO L210 LassoAnalysis]: Preferences: [2023-11-12 02:03:22,799 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-12 02:03:22,799 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-12 02:03:22,799 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-12 02:03:22,799 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-12 02:03:22,799 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:03:22,800 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-12 02:03:22,800 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-12 02:03:22,800 INFO L133 ssoRankerPreferences]: Filename of dumped script: CookSeeZuleger-2013TACAS-Fig3-alloca-2.i_Iteration5_Lasso [2023-11-12 02:03:22,800 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-12 02:03:22,800 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-12 02:03:22,803 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:03:22,806 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:03:22,809 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:03:22,811 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:03:23,132 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:03:23,137 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:03:23,139 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:03:23,144 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:03:23,147 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:03:23,149 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:03:23,151 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:03:23,154 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:03:23,156 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:03:23,159 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:03:23,161 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:03:23,164 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:03:23,480 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-12 02:03:23,480 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-12 02:03:23,480 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:03:23,481 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d4037ca-4855-4f0b-967c-08510f893edb/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:03:23,482 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d4037ca-4855-4f0b-967c-08510f893edb/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:03:23,488 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-12 02:03:23,501 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:03:23,501 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-12 02:03:23,501 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:03:23,501 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:03:23,501 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:03:23,502 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-12 02:03:23,502 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-12 02:03:23,504 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d4037ca-4855-4f0b-967c-08510f893edb/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2023-11-12 02:03:23,519 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:03:23,527 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d4037ca-4855-4f0b-967c-08510f893edb/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2023-11-12 02:03:23,527 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:03:23,527 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d4037ca-4855-4f0b-967c-08510f893edb/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:03:23,530 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d4037ca-4855-4f0b-967c-08510f893edb/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:03:23,536 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-12 02:03:23,548 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:03:23,548 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-12 02:03:23,549 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:03:23,549 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:03:23,549 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:03:23,549 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-12 02:03:23,549 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-12 02:03:23,555 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d4037ca-4855-4f0b-967c-08510f893edb/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2023-11-12 02:03:23,559 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:03:23,566 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d4037ca-4855-4f0b-967c-08510f893edb/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2023-11-12 02:03:23,567 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:03:23,567 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d4037ca-4855-4f0b-967c-08510f893edb/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:03:23,568 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d4037ca-4855-4f0b-967c-08510f893edb/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:03:23,574 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-12 02:03:23,586 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:03:23,586 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-12 02:03:23,586 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:03:23,586 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:03:23,586 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:03:23,587 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-12 02:03:23,587 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-12 02:03:23,589 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d4037ca-4855-4f0b-967c-08510f893edb/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2023-11-12 02:03:23,603 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:03:23,608 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d4037ca-4855-4f0b-967c-08510f893edb/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2023-11-12 02:03:23,608 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:03:23,608 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d4037ca-4855-4f0b-967c-08510f893edb/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:03:23,609 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d4037ca-4855-4f0b-967c-08510f893edb/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:03:23,621 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-12 02:03:23,627 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d4037ca-4855-4f0b-967c-08510f893edb/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2023-11-12 02:03:23,632 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:03:23,633 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:03:23,633 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:03:23,633 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:03:23,637 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-12 02:03:23,637 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-12 02:03:23,650 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:03:23,655 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d4037ca-4855-4f0b-967c-08510f893edb/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2023-11-12 02:03:23,656 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:03:23,656 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d4037ca-4855-4f0b-967c-08510f893edb/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:03:23,657 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d4037ca-4855-4f0b-967c-08510f893edb/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:03:23,664 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-12 02:03:23,677 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:03:23,677 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:03:23,677 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:03:23,677 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:03:23,679 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d4037ca-4855-4f0b-967c-08510f893edb/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2023-11-12 02:03:23,681 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-12 02:03:23,681 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-12 02:03:23,693 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:03:23,700 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d4037ca-4855-4f0b-967c-08510f893edb/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2023-11-12 02:03:23,701 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:03:23,701 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d4037ca-4855-4f0b-967c-08510f893edb/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:03:23,703 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d4037ca-4855-4f0b-967c-08510f893edb/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:03:23,707 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-12 02:03:23,719 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:03:23,719 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:03:23,719 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:03:23,719 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:03:23,721 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d4037ca-4855-4f0b-967c-08510f893edb/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2023-11-12 02:03:23,722 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-12 02:03:23,722 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-12 02:03:23,739 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:03:23,743 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d4037ca-4855-4f0b-967c-08510f893edb/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2023-11-12 02:03:23,743 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:03:23,744 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d4037ca-4855-4f0b-967c-08510f893edb/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:03:23,744 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d4037ca-4855-4f0b-967c-08510f893edb/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:03:23,752 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-12 02:03:23,764 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:03:23,764 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:03:23,764 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:03:23,765 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:03:23,767 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-12 02:03:23,767 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-12 02:03:23,767 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d4037ca-4855-4f0b-967c-08510f893edb/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2023-11-12 02:03:23,778 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:03:23,786 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d4037ca-4855-4f0b-967c-08510f893edb/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2023-11-12 02:03:23,786 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:03:23,786 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d4037ca-4855-4f0b-967c-08510f893edb/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:03:23,788 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d4037ca-4855-4f0b-967c-08510f893edb/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:03:23,791 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-12 02:03:23,803 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:03:23,803 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:03:23,803 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:03:23,804 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:03:23,806 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-12 02:03:23,806 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-12 02:03:23,807 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d4037ca-4855-4f0b-967c-08510f893edb/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2023-11-12 02:03:23,817 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:03:23,826 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d4037ca-4855-4f0b-967c-08510f893edb/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2023-11-12 02:03:23,826 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:03:23,826 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d4037ca-4855-4f0b-967c-08510f893edb/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:03:23,828 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d4037ca-4855-4f0b-967c-08510f893edb/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:03:23,836 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-12 02:03:23,848 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:03:23,848 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:03:23,848 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:03:23,849 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:03:23,851 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d4037ca-4855-4f0b-967c-08510f893edb/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2023-11-12 02:03:23,853 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-12 02:03:23,853 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-12 02:03:23,883 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-12 02:03:23,900 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2023-11-12 02:03:23,900 INFO L444 ModelExtractionUtils]: 1 out of 10 variables were initially zero. Simplification set additionally 7 variables to zero. [2023-11-12 02:03:23,900 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:03:23,900 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d4037ca-4855-4f0b-967c-08510f893edb/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:03:23,902 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d4037ca-4855-4f0b-967c-08510f893edb/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:03:23,905 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-12 02:03:23,918 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d4037ca-4855-4f0b-967c-08510f893edb/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2023-11-12 02:03:23,940 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-11-12 02:03:23,940 INFO L513 LassoAnalysis]: Proved termination. [2023-11-12 02:03:23,940 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~y~0#1.base) 0)_2) = 1*v_rep(select (select #memory_int ULTIMATE.start_main_~y~0#1.base) 0)_2 Supporting invariants [] [2023-11-12 02:03:23,948 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d4037ca-4855-4f0b-967c-08510f893edb/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2023-11-12 02:03:23,990 INFO L156 tatePredicateManager]: 10 out of 13 supporting invariants were superfluous and have been removed [2023-11-12 02:03:23,996 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~y~0!base][0] could not be translated [2023-11-12 02:03:24,020 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:03:24,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:03:24,034 INFO L262 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-12 02:03:24,035 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:03:24,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:03:24,048 INFO L262 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-12 02:03:24,049 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:03:24,148 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:03:24,148 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2023-11-12 02:03:24,149 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 10 states and 12 transitions. cyclomatic complexity: 3 Second operand has 5 states, 5 states have (on average 1.2) internal successors, (6), 5 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:03:24,219 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 10 states and 12 transitions. cyclomatic complexity: 3. Second operand has 5 states, 5 states have (on average 1.2) internal successors, (6), 5 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 26 states and 33 transitions. Complement of second has 8 states. [2023-11-12 02:03:24,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2023-11-12 02:03:24,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 1.2) internal successors, (6), 5 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:03:24,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 10 transitions. [2023-11-12 02:03:24,221 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 10 transitions. Stem has 2 letters. Loop has 4 letters. [2023-11-12 02:03:24,221 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-12 02:03:24,221 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 10 transitions. Stem has 6 letters. Loop has 4 letters. [2023-11-12 02:03:24,221 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-12 02:03:24,221 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 10 transitions. Stem has 2 letters. Loop has 8 letters. [2023-11-12 02:03:24,221 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-12 02:03:24,221 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 26 states and 33 transitions. [2023-11-12 02:03:24,222 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-12 02:03:24,222 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 26 states to 0 states and 0 transitions. [2023-11-12 02:03:24,223 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2023-11-12 02:03:24,223 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2023-11-12 02:03:24,223 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2023-11-12 02:03:24,223 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-12 02:03:24,223 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-12 02:03:24,223 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-12 02:03:24,223 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-12 02:03:24,223 INFO L335 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2023-11-12 02:03:24,223 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2023-11-12 02:03:24,223 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-12 02:03:24,224 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2023-11-12 02:03:24,231 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 12.11 02:03:24 BoogieIcfgContainer [2023-11-12 02:03:24,231 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-11-12 02:03:24,232 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-12 02:03:24,232 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-12 02:03:24,232 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-12 02:03:24,232 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:03:13" (3/4) ... [2023-11-12 02:03:24,234 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-12 02:03:24,235 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-12 02:03:24,236 INFO L158 Benchmark]: Toolchain (without parser) took 11411.85ms. Allocated memory was 165.7MB in the beginning and 239.1MB in the end (delta: 73.4MB). Free memory was 125.8MB in the beginning and 110.6MB in the end (delta: 15.1MB). Peak memory consumption was 88.1MB. Max. memory is 16.1GB. [2023-11-12 02:03:24,236 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 121.6MB. Free memory is still 89.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 02:03:24,236 INFO L158 Benchmark]: CACSL2BoogieTranslator took 445.53ms. Allocated memory is still 165.7MB. Free memory was 125.8MB in the beginning and 125.8MB in the end (delta: -82.9kB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-12 02:03:24,237 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.27ms. Allocated memory is still 165.7MB. Free memory was 125.1MB in the beginning and 123.8MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 02:03:24,237 INFO L158 Benchmark]: Boogie Preprocessor took 39.14ms. Allocated memory is still 165.7MB. Free memory was 123.8MB in the beginning and 122.3MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 02:03:24,238 INFO L158 Benchmark]: RCFGBuilder took 343.12ms. Allocated memory is still 165.7MB. Free memory was 122.3MB in the beginning and 111.2MB in the end (delta: 11.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-12 02:03:24,238 INFO L158 Benchmark]: BuchiAutomizer took 10514.37ms. Allocated memory was 165.7MB in the beginning and 239.1MB in the end (delta: 73.4MB). Free memory was 110.5MB in the beginning and 110.6MB in the end (delta: -165.7kB). Peak memory consumption was 74.9MB. Max. memory is 16.1GB. [2023-11-12 02:03:24,238 INFO L158 Benchmark]: Witness Printer took 3.63ms. Allocated memory is still 239.1MB. Free memory is still 110.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 02:03:24,240 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 121.6MB. Free memory is still 89.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 445.53ms. Allocated memory is still 165.7MB. Free memory was 125.8MB in the beginning and 125.8MB in the end (delta: -82.9kB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 60.27ms. Allocated memory is still 165.7MB. Free memory was 125.1MB in the beginning and 123.8MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 39.14ms. Allocated memory is still 165.7MB. Free memory was 123.8MB in the beginning and 122.3MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 343.12ms. Allocated memory is still 165.7MB. Free memory was 122.3MB in the beginning and 111.2MB in the end (delta: 11.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * BuchiAutomizer took 10514.37ms. Allocated memory was 165.7MB in the beginning and 239.1MB in the end (delta: 73.4MB). Free memory was 110.5MB in the beginning and 110.6MB in the end (delta: -165.7kB). Peak memory consumption was 74.9MB. Max. memory is 16.1GB. * Witness Printer took 3.63ms. Allocated memory is still 239.1MB. Free memory is still 110.6MB. 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[~x~0!base][0] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[~x~0!base][0] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[~x~0!base][~x~0!offset] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[~y~0!base][0] could not be translated * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 5 terminating modules (1 trivial, 3 deterministic, 1 nondeterministic). One deterministic module has affine ranking function NULL and consists of 6 locations. One deterministic module has affine ranking function NULL and consists of 5 locations. One deterministic module has affine ranking function NULL and consists of 5 locations. One nondeterministic module has affine ranking function NULL and consists of 4 locations. 1 modules have a trivial ranking function, the largest among these consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 10.4s and 6 iterations. TraceHistogramMax:2. Analysis of lassos took 8.8s. Construction of modules took 0.1s. Büchi inclusion checks took 1.3s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 4. Automata minimization 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 18 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [3, 0, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 57 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 54 mSDsluCounter, 58 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 12 mSDsCounter, 28 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 78 IncrementalHoareTripleChecker+Invalid, 106 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 28 mSolverCounterUnsat, 46 mSDtfsCounter, 78 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU1 SILI0 SILT0 lasso4 LassoPreprocessingBenchmarks: Lassos: inital447 mio100 ax106 hnf100 lsp92 ukn45 mio100 lsp25 div100 bol100 ite100 ukn100 eq165 hnf90 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 39ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2023-11-12 02:03:24,255 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d4037ca-4855-4f0b-967c-08510f893edb/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2023-11-12 02:03:24,459 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d4037ca-4855-4f0b-967c-08510f893edb/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE