./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/loop-lit/mcmillan2006.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4da373ab-bd17-400a-832f-a33fc68ab043/bin/uautomizer-verify-zZY32mL2XJ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4da373ab-bd17-400a-832f-a33fc68ab043/bin/uautomizer-verify-zZY32mL2XJ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4da373ab-bd17-400a-832f-a33fc68ab043/bin/uautomizer-verify-zZY32mL2XJ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4da373ab-bd17-400a-832f-a33fc68ab043/bin/uautomizer-verify-zZY32mL2XJ/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/loop-lit/mcmillan2006.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4da373ab-bd17-400a-832f-a33fc68ab043/bin/uautomizer-verify-zZY32mL2XJ/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4da373ab-bd17-400a-832f-a33fc68ab043/bin/uautomizer-verify-zZY32mL2XJ --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 32bit --witnessprinter.graph.data.programhash 45cd9f1eda35cecb580d3b7fe5199506be9e5041f2297c1c3e22e0a862fa68be --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 22:30:49,107 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 22:30:49,186 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4da373ab-bd17-400a-832f-a33fc68ab043/bin/uautomizer-verify-zZY32mL2XJ/config/svcomp-Termination-32bit-Automizer_Default.epf [2023-11-23 22:30:49,192 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 22:30:49,193 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 22:30:49,220 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 22:30:49,221 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 22:30:49,222 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 22:30:49,223 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-23 22:30:49,223 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-23 22:30:49,224 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 22:30:49,225 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 22:30:49,226 INFO L153 SettingsManager]: * Use SBE=true [2023-11-23 22:30:49,226 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-23 22:30:49,227 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-23 22:30:49,228 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-23 22:30:49,228 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-23 22:30:49,229 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-23 22:30:49,230 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-23 22:30:49,231 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 22:30:49,231 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-23 22:30:49,232 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 22:30:49,233 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 22:30:49,233 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 22:30:49,234 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 22:30:49,235 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-23 22:30:49,235 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-23 22:30:49,243 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-23 22:30:49,244 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 22:30:49,244 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 22:30:49,245 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 22:30:49,246 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-23 22:30:49,246 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 22:30:49,247 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 22:30:49,247 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 22:30:49,248 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 22:30:49,248 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-23 22:30:49,249 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-23 22:30:49,249 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_4da373ab-bd17-400a-832f-a33fc68ab043/bin/uautomizer-verify-zZY32mL2XJ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4da373ab-bd17-400a-832f-a33fc68ab043/bin/uautomizer-verify-zZY32mL2XJ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 45cd9f1eda35cecb580d3b7fe5199506be9e5041f2297c1c3e22e0a862fa68be [2023-11-23 22:30:49,586 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 22:30:49,619 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 22:30:49,622 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 22:30:49,623 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 22:30:49,624 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 22:30:49,626 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4da373ab-bd17-400a-832f-a33fc68ab043/bin/uautomizer-verify-zZY32mL2XJ/../../sv-benchmarks/c/loop-lit/mcmillan2006.i [2023-11-23 22:30:52,864 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 22:30:53,118 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 22:30:53,119 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4da373ab-bd17-400a-832f-a33fc68ab043/sv-benchmarks/c/loop-lit/mcmillan2006.i [2023-11-23 22:30:53,126 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4da373ab-bd17-400a-832f-a33fc68ab043/bin/uautomizer-verify-zZY32mL2XJ/data/e86859d86/c8bed53f328f4598b614409a4187aff6/FLAG724bc7b4a [2023-11-23 22:30:53,141 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4da373ab-bd17-400a-832f-a33fc68ab043/bin/uautomizer-verify-zZY32mL2XJ/data/e86859d86/c8bed53f328f4598b614409a4187aff6 [2023-11-23 22:30:53,144 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 22:30:53,146 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 22:30:53,150 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 22:30:53,151 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 22:30:53,156 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 22:30:53,158 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 10:30:53" (1/1) ... [2023-11-23 22:30:53,159 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13c63036 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:30:53, skipping insertion in model container [2023-11-23 22:30:53,159 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 10:30:53" (1/1) ... [2023-11-23 22:30:53,182 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 22:30:53,366 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 22:30:53,377 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 22:30:53,394 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 22:30:53,410 INFO L206 MainTranslator]: Completed translation [2023-11-23 22:30:53,410 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:30:53 WrapperNode [2023-11-23 22:30:53,411 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 22:30:53,412 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 22:30:53,412 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 22:30:53,412 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 22:30:53,420 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:30:53" (1/1) ... [2023-11-23 22:30:53,426 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:30:53" (1/1) ... [2023-11-23 22:30:53,444 INFO L138 Inliner]: procedures = 18, calls = 11, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 50 [2023-11-23 22:30:53,444 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 22:30:53,445 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 22:30:53,445 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 22:30:53,445 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 22:30:53,456 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:30:53" (1/1) ... [2023-11-23 22:30:53,457 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:30:53" (1/1) ... [2023-11-23 22:30:53,459 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:30:53" (1/1) ... [2023-11-23 22:30:53,470 INFO L189 HeapSplitter]: Split 4 memory accesses to 2 slices as follows [2, 2] [2023-11-23 22:30:53,470 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:30:53" (1/1) ... [2023-11-23 22:30:53,471 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:30:53" (1/1) ... [2023-11-23 22:30:53,476 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:30:53" (1/1) ... [2023-11-23 22:30:53,480 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:30:53" (1/1) ... [2023-11-23 22:30:53,481 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:30:53" (1/1) ... [2023-11-23 22:30:53,482 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:30:53" (1/1) ... [2023-11-23 22:30:53,485 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 22:30:53,486 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 22:30:53,486 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 22:30:53,486 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 22:30:53,487 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:30:53" (1/1) ... [2023-11-23 22:30:53,493 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-23 22:30:53,512 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4da373ab-bd17-400a-832f-a33fc68ab043/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 22:30:53,537 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4da373ab-bd17-400a-832f-a33fc68ab043/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-23 22:30:53,567 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4da373ab-bd17-400a-832f-a33fc68ab043/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-23 22:30:53,590 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 22:30:53,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-23 22:30:53,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-11-23 22:30:53,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-23 22:30:53,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-11-23 22:30:53,591 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-23 22:30:53,591 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 22:30:53,591 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 22:30:53,591 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-11-23 22:30:53,591 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-11-23 22:30:53,667 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 22:30:53,669 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 22:30:53,790 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 22:30:53,799 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 22:30:53,799 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-23 22:30:53,801 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:30:53 BoogieIcfgContainer [2023-11-23 22:30:53,801 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 22:30:53,802 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-11-23 22:30:53,802 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-11-23 22:30:53,806 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-11-23 22:30:53,807 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-23 22:30:53,807 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 23.11 10:30:53" (1/3) ... [2023-11-23 22:30:53,808 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@279aaca9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.11 10:30:53, skipping insertion in model container [2023-11-23 22:30:53,808 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-23 22:30:53,808 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:30:53" (2/3) ... [2023-11-23 22:30:53,809 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@279aaca9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.11 10:30:53, skipping insertion in model container [2023-11-23 22:30:53,809 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-23 22:30:53,809 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:30:53" (3/3) ... [2023-11-23 22:30:53,810 INFO L332 chiAutomizerObserver]: Analyzing ICFG mcmillan2006.i [2023-11-23 22:30:53,861 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-11-23 22:30:53,861 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-11-23 22:30:53,861 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-11-23 22:30:53,861 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-11-23 22:30:53,861 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-11-23 22:30:53,861 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-11-23 22:30:53,862 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-11-23 22:30:53,862 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-11-23 22:30:53,866 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 17 states, 16 states have (on average 1.4375) internal successors, (23), 16 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:30:53,882 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 9 [2023-11-23 22:30:53,882 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-23 22:30:53,882 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-23 22:30:53,886 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2023-11-23 22:30:53,886 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-23 22:30:53,886 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-11-23 22:30:53,887 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 17 states, 16 states have (on average 1.4375) internal successors, (23), 16 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:30:53,888 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 9 [2023-11-23 22:30:53,889 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-23 22:30:53,889 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-23 22:30:53,889 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2023-11-23 22:30:53,889 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-23 22:30:53,895 INFO L748 eck$LassoCheckResult]: Stem: 11#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(9, 2); 5#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~post3#1, main_~i~0#1, main_#t~mem5#1, main_#t~post4#1, main_~i~1#1, main_~n~0#1, main_~x~0#1.base, main_~x~0#1.offset;havoc main_#t~nondet1#1;main_~n~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 9#L28true assume !!(0 <= main_~n~0#1 && main_~n~0#1 <= 1000);call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnHeap(4 * main_~n~0#1 % 4294967296);main_~x~0#1.base, main_~x~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;havoc main_#t~malloc2#1.base, main_#t~malloc2#1.offset;main_~i~0#1 := 0; 16#L30-3true [2023-11-23 22:30:53,896 INFO L750 eck$LassoCheckResult]: Loop: 16#L30-3true assume !!(main_~i~0#1 < main_~n~0#1);call write~int#1(0, main_~x~0#1.base, main_~x~0#1.offset + 4 * main_~i~0#1, 4); 4#L30-2true main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 16#L30-3true [2023-11-23 22:30:53,900 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:30:53,901 INFO L85 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 1 times [2023-11-23 22:30:53,909 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 22:30:53,910 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1454936584] [2023-11-23 22:30:53,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:30:53,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 22:30:54,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 22:30:54,067 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 22:30:54,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 22:30:54,106 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-23 22:30:54,111 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:30:54,111 INFO L85 PathProgramCache]: Analyzing trace with hash 1443, now seen corresponding path program 1 times [2023-11-23 22:30:54,111 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 22:30:54,112 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1673019385] [2023-11-23 22:30:54,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:30:54,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 22:30:54,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 22:30:54,149 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 22:30:54,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 22:30:54,164 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-23 22:30:54,166 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:30:54,166 INFO L85 PathProgramCache]: Analyzing trace with hash 28695942, now seen corresponding path program 1 times [2023-11-23 22:30:54,166 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 22:30:54,167 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1909387979] [2023-11-23 22:30:54,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:30:54,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 22:30:54,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 22:30:54,224 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 22:30:54,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 22:30:54,256 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-23 22:30:54,632 INFO L210 LassoAnalysis]: Preferences: [2023-11-23 22:30:54,633 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-23 22:30:54,633 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-23 22:30:54,634 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-23 22:30:54,634 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-23 22:30:54,634 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-23 22:30:54,634 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-23 22:30:54,634 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-23 22:30:54,634 INFO L133 ssoRankerPreferences]: Filename of dumped script: mcmillan2006.i_Iteration1_Lasso [2023-11-23 22:30:54,635 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-23 22:30:54,636 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-23 22:30:54,657 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-23 22:30:54,684 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-23 22:30:54,687 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-23 22:30:54,690 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-23 22:30:54,693 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-23 22:30:54,696 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-23 22:30:54,935 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-23 22:30:54,938 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-23 22:30:54,941 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-23 22:30:54,943 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-23 22:30:55,263 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-23 22:30:55,268 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-23 22:30:55,270 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-23 22:30:55,270 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4da373ab-bd17-400a-832f-a33fc68ab043/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 22:30:55,273 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4da373ab-bd17-400a-832f-a33fc68ab043/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-23 22:30:55,310 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-23 22:30:55,323 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4da373ab-bd17-400a-832f-a33fc68ab043/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2023-11-23 22:30:55,328 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-23 22:30:55,329 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-23 22:30:55,329 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-23 22:30:55,329 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-23 22:30:55,337 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-23 22:30:55,337 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-23 22:30:55,361 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-23 22:30:55,418 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4da373ab-bd17-400a-832f-a33fc68ab043/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2023-11-23 22:30:55,418 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-23 22:30:55,419 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4da373ab-bd17-400a-832f-a33fc68ab043/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 22:30:55,425 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4da373ab-bd17-400a-832f-a33fc68ab043/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-23 22:30:55,443 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-23 22:30:55,455 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4da373ab-bd17-400a-832f-a33fc68ab043/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2023-11-23 22:30:55,457 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-23 22:30:55,457 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-23 22:30:55,457 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-23 22:30:55,457 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-23 22:30:55,462 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-23 22:30:55,469 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-23 22:30:55,497 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-23 22:30:55,520 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4da373ab-bd17-400a-832f-a33fc68ab043/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2023-11-23 22:30:55,520 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-23 22:30:55,521 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4da373ab-bd17-400a-832f-a33fc68ab043/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 22:30:55,522 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4da373ab-bd17-400a-832f-a33fc68ab043/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-23 22:30:55,534 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-23 22:30:55,537 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4da373ab-bd17-400a-832f-a33fc68ab043/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2023-11-23 22:30:55,547 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-23 22:30:55,548 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-23 22:30:55,548 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-23 22:30:55,548 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-23 22:30:55,548 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-23 22:30:55,550 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-23 22:30:55,550 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-23 22:30:55,559 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-23 22:30:55,581 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4da373ab-bd17-400a-832f-a33fc68ab043/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2023-11-23 22:30:55,581 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-23 22:30:55,582 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4da373ab-bd17-400a-832f-a33fc68ab043/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 22:30:55,583 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4da373ab-bd17-400a-832f-a33fc68ab043/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-23 22:30:55,594 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-23 22:30:55,597 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4da373ab-bd17-400a-832f-a33fc68ab043/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2023-11-23 22:30:55,607 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-23 22:30:55,607 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-23 22:30:55,607 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-23 22:30:55,607 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-23 22:30:55,607 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-23 22:30:55,609 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-23 22:30:55,609 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-23 22:30:55,629 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-23 22:30:55,648 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4da373ab-bd17-400a-832f-a33fc68ab043/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2023-11-23 22:30:55,649 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-23 22:30:55,649 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4da373ab-bd17-400a-832f-a33fc68ab043/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 22:30:55,651 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4da373ab-bd17-400a-832f-a33fc68ab043/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-23 22:30:55,658 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-23 22:30:55,671 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-23 22:30:55,671 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-23 22:30:55,671 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-23 22:30:55,671 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-23 22:30:55,672 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-23 22:30:55,673 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-23 22:30:55,673 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-23 22:30:55,675 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4da373ab-bd17-400a-832f-a33fc68ab043/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2023-11-23 22:30:55,689 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-23 22:30:55,711 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4da373ab-bd17-400a-832f-a33fc68ab043/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2023-11-23 22:30:55,712 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-23 22:30:55,712 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4da373ab-bd17-400a-832f-a33fc68ab043/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 22:30:55,714 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4da373ab-bd17-400a-832f-a33fc68ab043/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-23 22:30:55,722 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-23 22:30:55,734 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-23 22:30:55,735 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-23 22:30:55,735 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-23 22:30:55,735 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-23 22:30:55,735 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-23 22:30:55,738 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-23 22:30:55,739 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-23 22:30:55,741 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4da373ab-bd17-400a-832f-a33fc68ab043/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2023-11-23 22:30:55,749 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-23 22:30:55,767 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4da373ab-bd17-400a-832f-a33fc68ab043/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2023-11-23 22:30:55,767 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-23 22:30:55,767 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4da373ab-bd17-400a-832f-a33fc68ab043/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 22:30:55,768 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4da373ab-bd17-400a-832f-a33fc68ab043/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-23 22:30:55,774 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-23 22:30:55,786 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-23 22:30:55,787 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4da373ab-bd17-400a-832f-a33fc68ab043/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2023-11-23 22:30:55,787 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-23 22:30:55,787 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-23 22:30:55,787 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-23 22:30:55,791 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-23 22:30:55,791 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-23 22:30:55,803 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-23 22:30:55,827 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4da373ab-bd17-400a-832f-a33fc68ab043/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2023-11-23 22:30:55,827 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-23 22:30:55,827 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4da373ab-bd17-400a-832f-a33fc68ab043/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 22:30:55,829 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4da373ab-bd17-400a-832f-a33fc68ab043/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-23 22:30:55,835 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4da373ab-bd17-400a-832f-a33fc68ab043/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2023-11-23 22:30:55,836 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 [2023-11-23 22:30:55,849 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-23 22:30:55,849 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-23 22:30:55,849 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-23 22:30:55,849 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-23 22:30:55,856 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-23 22:30:55,856 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-23 22:30:55,875 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-23 22:30:55,898 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4da373ab-bd17-400a-832f-a33fc68ab043/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2023-11-23 22:30:55,899 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-23 22:30:55,899 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4da373ab-bd17-400a-832f-a33fc68ab043/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 22:30:55,900 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4da373ab-bd17-400a-832f-a33fc68ab043/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-23 22:30:55,909 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4da373ab-bd17-400a-832f-a33fc68ab043/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2023-11-23 22:30:55,910 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-23 22:30:55,922 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-23 22:30:55,922 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-23 22:30:55,922 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-23 22:30:55,923 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-23 22:30:55,923 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-23 22:30:55,924 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-23 22:30:55,924 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-23 22:30:55,933 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-23 22:30:55,955 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4da373ab-bd17-400a-832f-a33fc68ab043/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2023-11-23 22:30:55,957 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-23 22:30:55,957 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4da373ab-bd17-400a-832f-a33fc68ab043/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 22:30:55,959 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4da373ab-bd17-400a-832f-a33fc68ab043/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-23 22:30:55,966 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-23 22:30:55,968 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4da373ab-bd17-400a-832f-a33fc68ab043/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2023-11-23 22:30:55,977 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-23 22:30:55,977 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-23 22:30:55,977 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-23 22:30:55,977 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-23 22:30:55,980 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-23 22:30:55,980 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-23 22:30:55,992 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-23 22:30:56,017 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4da373ab-bd17-400a-832f-a33fc68ab043/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2023-11-23 22:30:56,017 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-23 22:30:56,017 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4da373ab-bd17-400a-832f-a33fc68ab043/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 22:30:56,019 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4da373ab-bd17-400a-832f-a33fc68ab043/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-23 22:30:56,030 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-23 22:30:56,042 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-23 22:30:56,043 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-23 22:30:56,043 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-23 22:30:56,043 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-23 22:30:56,050 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4da373ab-bd17-400a-832f-a33fc68ab043/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2023-11-23 22:30:56,055 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-23 22:30:56,055 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-23 22:30:56,067 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-23 22:30:56,089 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4da373ab-bd17-400a-832f-a33fc68ab043/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2023-11-23 22:30:56,089 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-23 22:30:56,089 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4da373ab-bd17-400a-832f-a33fc68ab043/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 22:30:56,091 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4da373ab-bd17-400a-832f-a33fc68ab043/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-23 22:30:56,102 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-23 22:30:56,115 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-23 22:30:56,115 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-23 22:30:56,115 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-23 22:30:56,115 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-23 22:30:56,118 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-23 22:30:56,119 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-23 22:30:56,120 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4da373ab-bd17-400a-832f-a33fc68ab043/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2023-11-23 22:30:56,141 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-23 22:30:56,164 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4da373ab-bd17-400a-832f-a33fc68ab043/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2023-11-23 22:30:56,164 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-23 22:30:56,164 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4da373ab-bd17-400a-832f-a33fc68ab043/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 22:30:56,166 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4da373ab-bd17-400a-832f-a33fc68ab043/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-23 22:30:56,169 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-23 22:30:56,182 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-23 22:30:56,182 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-23 22:30:56,182 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-23 22:30:56,182 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-23 22:30:56,183 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4da373ab-bd17-400a-832f-a33fc68ab043/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2023-11-23 22:30:56,190 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-23 22:30:56,190 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-23 22:30:56,205 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-23 22:30:56,257 INFO L443 ModelExtractionUtils]: Simplification made 17 calls to the SMT solver. [2023-11-23 22:30:56,258 INFO L444 ModelExtractionUtils]: 0 out of 16 variables were initially zero. Simplification set additionally 12 variables to zero. [2023-11-23 22:30:56,259 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-23 22:30:56,260 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4da373ab-bd17-400a-832f-a33fc68ab043/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 22:30:56,294 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4da373ab-bd17-400a-832f-a33fc68ab043/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-23 22:30:56,298 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-23 22:30:56,310 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4da373ab-bd17-400a-832f-a33fc68ab043/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2023-11-23 22:30:56,322 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-11-23 22:30:56,323 INFO L513 LassoAnalysis]: Proved termination. [2023-11-23 22:30:56,323 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0#1.offset, v_rep(select #length ULTIMATE.start_main_~x~0#1.base)_1, ULTIMATE.start_main_~i~0#1) = -1*ULTIMATE.start_main_~x~0#1.offset + 1*v_rep(select #length ULTIMATE.start_main_~x~0#1.base)_1 - 4*ULTIMATE.start_main_~i~0#1 Supporting invariants [] [2023-11-23 22:30:56,346 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4da373ab-bd17-400a-832f-a33fc68ab043/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2023-11-23 22:30:56,363 INFO L156 tatePredicateManager]: 4 out of 4 supporting invariants were superfluous and have been removed [2023-11-23 22:30:56,374 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[~x~0!base] could not be translated [2023-11-23 22:30:56,395 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:30:56,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:30:56,420 INFO L262 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 22:30:56,421 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 22:30:56,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:30:56,443 INFO L262 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 22:30:56,444 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 22:30:56,472 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 22:30:56,516 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2023-11-23 22:30:56,518 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 17 states, 16 states have (on average 1.4375) internal successors, (23), 16 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:30:56,583 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 17 states, 16 states have (on average 1.4375) internal successors, (23), 16 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 35 states and 47 transitions. Complement of second has 8 states. [2023-11-23 22:30:56,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2023-11-23 22:30:56,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:30:56,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 25 transitions. [2023-11-23 22:30:56,592 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 25 transitions. Stem has 3 letters. Loop has 2 letters. [2023-11-23 22:30:56,593 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-23 22:30:56,593 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 25 transitions. Stem has 5 letters. Loop has 2 letters. [2023-11-23 22:30:56,594 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-23 22:30:56,594 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 25 transitions. Stem has 3 letters. Loop has 4 letters. [2023-11-23 22:30:56,594 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-23 22:30:56,595 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 35 states and 47 transitions. [2023-11-23 22:30:56,598 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2023-11-23 22:30:56,602 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 35 states to 14 states and 18 transitions. [2023-11-23 22:30:56,603 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2023-11-23 22:30:56,603 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2023-11-23 22:30:56,604 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 18 transitions. [2023-11-23 22:30:56,605 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-23 22:30:56,605 INFO L218 hiAutomatonCegarLoop]: Abstraction has 14 states and 18 transitions. [2023-11-23 22:30:56,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states and 18 transitions. [2023-11-23 22:30:56,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2023-11-23 22:30:56,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 14 states have (on average 1.2857142857142858) internal successors, (18), 13 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:30:56,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 18 transitions. [2023-11-23 22:30:56,633 INFO L240 hiAutomatonCegarLoop]: Abstraction has 14 states and 18 transitions. [2023-11-23 22:30:56,633 INFO L428 stractBuchiCegarLoop]: Abstraction has 14 states and 18 transitions. [2023-11-23 22:30:56,633 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-11-23 22:30:56,633 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states and 18 transitions. [2023-11-23 22:30:56,634 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2023-11-23 22:30:56,634 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-23 22:30:56,635 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-23 22:30:56,635 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2023-11-23 22:30:56,635 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2023-11-23 22:30:56,635 INFO L748 eck$LassoCheckResult]: Stem: 121#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(9, 2); 114#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~post3#1, main_~i~0#1, main_#t~mem5#1, main_#t~post4#1, main_~i~1#1, main_~n~0#1, main_~x~0#1.base, main_~x~0#1.offset;havoc main_#t~nondet1#1;main_~n~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 115#L28 assume !!(0 <= main_~n~0#1 && main_~n~0#1 <= 1000);call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnHeap(4 * main_~n~0#1 % 4294967296);main_~x~0#1.base, main_~x~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;havoc main_#t~malloc2#1.base, main_#t~malloc2#1.offset;main_~i~0#1 := 0; 120#L30-3 assume !(main_~i~0#1 < main_~n~0#1); 123#L30-4 havoc main_~i~0#1;main_~i~1#1 := 0; 116#L31-3 [2023-11-23 22:30:56,636 INFO L750 eck$LassoCheckResult]: Loop: 116#L31-3 assume !!(main_~i~1#1 < main_~n~0#1);call main_#t~mem5#1 := read~int#1(main_~x~0#1.base, main_~x~0#1.offset + 4 * main_~i~1#1, 4);assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if 0 == main_#t~mem5#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 117#L19 assume !(0 == __VERIFIER_assert_~cond#1); 110#L19-2 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;havoc main_#t~mem5#1; 111#L31-2 main_#t~post4#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 116#L31-3 [2023-11-23 22:30:56,636 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:30:56,636 INFO L85 PathProgramCache]: Analyzing trace with hash 28695884, now seen corresponding path program 1 times [2023-11-23 22:30:56,637 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 22:30:56,637 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [509670701] [2023-11-23 22:30:56,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:30:56,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 22:30:56,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 22:30:56,650 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 22:30:56,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 22:30:56,662 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-23 22:30:56,662 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:30:56,663 INFO L85 PathProgramCache]: Analyzing trace with hash 1830257, now seen corresponding path program 1 times [2023-11-23 22:30:56,663 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 22:30:56,663 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [268150888] [2023-11-23 22:30:56,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:30:56,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 22:30:56,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 22:30:56,674 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 22:30:56,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 22:30:56,684 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-23 22:30:56,685 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:30:56,685 INFO L85 PathProgramCache]: Analyzing trace with hash 1304177980, now seen corresponding path program 1 times [2023-11-23 22:30:56,685 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 22:30:56,686 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1638147123] [2023-11-23 22:30:56,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:30:56,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 22:30:56,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:30:56,809 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 22:30:56,810 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 22:30:56,810 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1638147123] [2023-11-23 22:30:56,811 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1638147123] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 22:30:56,811 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 22:30:56,811 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-23 22:30:56,811 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [934273279] [2023-11-23 22:30:56,812 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 22:30:56,877 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 22:30:56,880 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-23 22:30:56,880 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-23 22:30:56,882 INFO L87 Difference]: Start difference. First operand 14 states and 18 transitions. cyclomatic complexity: 6 Second operand has 5 states, 5 states have (on average 1.8) internal successors, (9), 5 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:30:56,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 22:30:56,915 INFO L93 Difference]: Finished difference Result 16 states and 17 transitions. [2023-11-23 22:30:56,915 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 16 states and 17 transitions. [2023-11-23 22:30:56,916 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2023-11-23 22:30:56,917 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 16 states to 12 states and 13 transitions. [2023-11-23 22:30:56,917 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2023-11-23 22:30:56,917 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2023-11-23 22:30:56,917 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 13 transitions. [2023-11-23 22:30:56,918 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-23 22:30:56,918 INFO L218 hiAutomatonCegarLoop]: Abstraction has 12 states and 13 transitions. [2023-11-23 22:30:56,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states and 13 transitions. [2023-11-23 22:30:56,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 11. [2023-11-23 22:30:56,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 11 states have (on average 1.0909090909090908) internal successors, (12), 10 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) [2023-11-23 22:30:56,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 12 transitions. [2023-11-23 22:30:56,920 INFO L240 hiAutomatonCegarLoop]: Abstraction has 11 states and 12 transitions. [2023-11-23 22:30:56,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-23 22:30:56,921 INFO L428 stractBuchiCegarLoop]: Abstraction has 11 states and 12 transitions. [2023-11-23 22:30:56,922 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2023-11-23 22:30:56,922 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states and 12 transitions. [2023-11-23 22:30:56,922 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2023-11-23 22:30:56,923 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-23 22:30:56,923 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-23 22:30:56,923 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-23 22:30:56,923 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2023-11-23 22:30:56,924 INFO L748 eck$LassoCheckResult]: Stem: 158#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(9, 2); 159#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~post3#1, main_~i~0#1, main_#t~mem5#1, main_#t~post4#1, main_~i~1#1, main_~n~0#1, main_~x~0#1.base, main_~x~0#1.offset;havoc main_#t~nondet1#1;main_~n~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 156#L28 assume !!(0 <= main_~n~0#1 && main_~n~0#1 <= 1000);call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnHeap(4 * main_~n~0#1 % 4294967296);main_~x~0#1.base, main_~x~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;havoc main_#t~malloc2#1.base, main_#t~malloc2#1.offset;main_~i~0#1 := 0; 157#L30-3 assume !!(main_~i~0#1 < main_~n~0#1);call write~int#1(0, main_~x~0#1.base, main_~x~0#1.offset + 4 * main_~i~0#1, 4); 154#L30-2 main_#t~post3#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 155#L30-3 assume !(main_~i~0#1 < main_~n~0#1); 162#L30-4 havoc main_~i~0#1;main_~i~1#1 := 0; 161#L31-3 [2023-11-23 22:30:56,924 INFO L750 eck$LassoCheckResult]: Loop: 161#L31-3 assume !!(main_~i~1#1 < main_~n~0#1);call main_#t~mem5#1 := read~int#1(main_~x~0#1.base, main_~x~0#1.offset + 4 * main_~i~1#1, 4);assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if 0 == main_#t~mem5#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 160#L19 assume !(0 == __VERIFIER_assert_~cond#1); 152#L19-2 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;havoc main_#t~mem5#1; 153#L31-2 main_#t~post4#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 161#L31-3 [2023-11-23 22:30:56,924 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:30:56,925 INFO L85 PathProgramCache]: Analyzing trace with hash 1806996910, now seen corresponding path program 1 times [2023-11-23 22:30:56,925 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 22:30:56,925 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1182517210] [2023-11-23 22:30:56,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:30:56,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 22:30:56,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 22:30:56,942 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 22:30:56,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 22:30:56,956 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-23 22:30:56,957 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:30:56,957 INFO L85 PathProgramCache]: Analyzing trace with hash 1830257, now seen corresponding path program 2 times [2023-11-23 22:30:56,957 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 22:30:56,957 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1344528591] [2023-11-23 22:30:56,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:30:56,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 22:30:56,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 22:30:56,966 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 22:30:56,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 22:30:56,974 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-23 22:30:56,974 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:30:56,974 INFO L85 PathProgramCache]: Analyzing trace with hash -1358699362, now seen corresponding path program 1 times [2023-11-23 22:30:56,975 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 22:30:56,975 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2069383107] [2023-11-23 22:30:56,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:30:56,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 22:30:56,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 22:30:57,008 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 22:30:57,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 22:30:57,037 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-23 22:30:57,362 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4da373ab-bd17-400a-832f-a33fc68ab043/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2023-11-23 22:30:57,420 INFO L210 LassoAnalysis]: Preferences: [2023-11-23 22:30:57,421 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-23 22:30:57,421 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-23 22:30:57,421 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-23 22:30:57,421 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-23 22:30:57,421 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-23 22:30:57,421 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-23 22:30:57,421 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-23 22:30:57,422 INFO L133 ssoRankerPreferences]: Filename of dumped script: mcmillan2006.i_Iteration3_Lasso [2023-11-23 22:30:57,422 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-23 22:30:57,422 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-23 22:30:57,427 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-23 22:30:57,430 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-23 22:30:57,433 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-23 22:30:57,445 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-23 22:30:57,637 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-23 22:30:57,639 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-23 22:30:57,642 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-23 22:30:57,644 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-23 22:30:57,646 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-23 22:30:57,650 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-23 22:30:57,652 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-23 22:30:57,655 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-23 22:30:57,897 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-23 22:30:57,897 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-23 22:30:57,898 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-23 22:30:57,898 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4da373ab-bd17-400a-832f-a33fc68ab043/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 22:30:57,901 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4da373ab-bd17-400a-832f-a33fc68ab043/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-23 22:30:57,904 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4da373ab-bd17-400a-832f-a33fc68ab043/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2023-11-23 22:30:57,906 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-23 22:30:57,919 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-23 22:30:57,919 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-23 22:30:57,919 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-23 22:30:57,919 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-23 22:30:57,919 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-23 22:30:57,921 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-23 22:30:57,921 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-23 22:30:57,933 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-23 22:30:57,957 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4da373ab-bd17-400a-832f-a33fc68ab043/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2023-11-23 22:30:57,957 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-23 22:30:57,957 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4da373ab-bd17-400a-832f-a33fc68ab043/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 22:30:57,959 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4da373ab-bd17-400a-832f-a33fc68ab043/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-23 22:30:57,970 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-23 22:30:57,982 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-23 22:30:57,982 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-23 22:30:57,982 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4da373ab-bd17-400a-832f-a33fc68ab043/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2023-11-23 22:30:57,983 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-23 22:30:57,983 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-23 22:30:57,983 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-23 22:30:57,983 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-23 22:30:57,983 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-23 22:30:57,993 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-23 22:30:58,013 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4da373ab-bd17-400a-832f-a33fc68ab043/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2023-11-23 22:30:58,014 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-23 22:30:58,014 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4da373ab-bd17-400a-832f-a33fc68ab043/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 22:30:58,015 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4da373ab-bd17-400a-832f-a33fc68ab043/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-23 22:30:58,021 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-23 22:30:58,034 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-23 22:30:58,034 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-23 22:30:58,034 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-23 22:30:58,034 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-23 22:30:58,037 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-23 22:30:58,037 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-23 22:30:58,038 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4da373ab-bd17-400a-832f-a33fc68ab043/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2023-11-23 22:30:58,048 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-23 22:30:58,070 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4da373ab-bd17-400a-832f-a33fc68ab043/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2023-11-23 22:30:58,071 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-23 22:30:58,071 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4da373ab-bd17-400a-832f-a33fc68ab043/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 22:30:58,072 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4da373ab-bd17-400a-832f-a33fc68ab043/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-23 22:30:58,082 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-23 22:30:58,094 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-23 22:30:58,094 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-23 22:30:58,094 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-23 22:30:58,094 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-23 22:30:58,096 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-23 22:30:58,096 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-23 22:30:58,098 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4da373ab-bd17-400a-832f-a33fc68ab043/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2023-11-23 22:30:58,113 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-23 22:30:58,137 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4da373ab-bd17-400a-832f-a33fc68ab043/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2023-11-23 22:30:58,137 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-23 22:30:58,137 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4da373ab-bd17-400a-832f-a33fc68ab043/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 22:30:58,138 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4da373ab-bd17-400a-832f-a33fc68ab043/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-23 22:30:58,151 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-23 22:30:58,165 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-23 22:30:58,165 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-23 22:30:58,165 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-23 22:30:58,165 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-23 22:30:58,170 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4da373ab-bd17-400a-832f-a33fc68ab043/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2023-11-23 22:30:58,173 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-23 22:30:58,174 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-23 22:30:58,188 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-23 22:30:58,212 INFO L443 ModelExtractionUtils]: Simplification made 11 calls to the SMT solver. [2023-11-23 22:30:58,213 INFO L444 ModelExtractionUtils]: 5 out of 16 variables were initially zero. Simplification set additionally 8 variables to zero. [2023-11-23 22:30:58,213 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-23 22:30:58,213 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4da373ab-bd17-400a-832f-a33fc68ab043/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 22:30:58,214 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4da373ab-bd17-400a-832f-a33fc68ab043/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-23 22:30:58,217 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4da373ab-bd17-400a-832f-a33fc68ab043/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2023-11-23 22:30:58,217 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-23 22:30:58,239 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-11-23 22:30:58,239 INFO L513 LassoAnalysis]: Proved termination. [2023-11-23 22:30:58,239 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~1#1, ULTIMATE.start_main_~n~0#1) = -1*ULTIMATE.start_main_~i~1#1 + 1*ULTIMATE.start_main_~n~0#1 Supporting invariants [] [2023-11-23 22:30:58,262 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4da373ab-bd17-400a-832f-a33fc68ab043/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2023-11-23 22:30:58,273 INFO L156 tatePredicateManager]: 4 out of 4 supporting invariants were superfluous and have been removed [2023-11-23 22:30:58,287 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:30:58,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:30:58,306 INFO L262 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 22:30:58,307 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 22:30:58,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:30:58,328 INFO L262 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 22:30:58,329 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 22:30:58,366 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 22:30:58,367 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2023-11-23 22:30:58,368 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 11 states and 12 transitions. cyclomatic complexity: 3 Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 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) [2023-11-23 22:30:58,386 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 11 states and 12 transitions. cyclomatic complexity: 3. Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 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 15 states and 17 transitions. Complement of second has 4 states. [2023-11-23 22:30:58,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2023-11-23 22:30:58,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 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) [2023-11-23 22:30:58,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 11 transitions. [2023-11-23 22:30:58,390 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 11 transitions. Stem has 7 letters. Loop has 4 letters. [2023-11-23 22:30:58,391 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-23 22:30:58,391 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 11 transitions. Stem has 11 letters. Loop has 4 letters. [2023-11-23 22:30:58,391 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-23 22:30:58,391 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 11 transitions. Stem has 7 letters. Loop has 8 letters. [2023-11-23 22:30:58,392 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-23 22:30:58,392 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 15 states and 17 transitions. [2023-11-23 22:30:58,393 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-23 22:30:58,393 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 15 states to 0 states and 0 transitions. [2023-11-23 22:30:58,393 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2023-11-23 22:30:58,393 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2023-11-23 22:30:58,394 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2023-11-23 22:30:58,394 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-23 22:30:58,394 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-23 22:30:58,394 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-23 22:30:58,394 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-23 22:30:58,394 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2023-11-23 22:30:58,394 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2023-11-23 22:30:58,395 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-23 22:30:58,395 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2023-11-23 22:30:58,407 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 23.11 10:30:58 BoogieIcfgContainer [2023-11-23 22:30:58,407 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-11-23 22:30:58,408 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 22:30:58,408 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 22:30:58,408 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 22:30:58,409 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:30:53" (3/4) ... [2023-11-23 22:30:58,411 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-23 22:30:58,412 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 22:30:58,413 INFO L158 Benchmark]: Toolchain (without parser) took 5267.07ms. Allocated memory was 127.9MB in the beginning and 167.8MB in the end (delta: 39.8MB). Free memory was 82.4MB in the beginning and 71.9MB in the end (delta: 10.5MB). Peak memory consumption was 52.0MB. Max. memory is 16.1GB. [2023-11-23 22:30:58,413 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 127.9MB. Free memory is still 96.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 22:30:58,413 INFO L158 Benchmark]: CACSL2BoogieTranslator took 260.98ms. Allocated memory is still 127.9MB. Free memory was 82.0MB in the beginning and 71.9MB in the end (delta: 10.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-23 22:30:58,419 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.43ms. Allocated memory is still 127.9MB. Free memory was 71.9MB in the beginning and 70.2MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 22:30:58,421 INFO L158 Benchmark]: Boogie Preprocessor took 39.81ms. Allocated memory is still 127.9MB. Free memory was 70.2MB in the beginning and 68.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 22:30:58,422 INFO L158 Benchmark]: RCFGBuilder took 315.56ms. Allocated memory is still 127.9MB. Free memory was 68.6MB in the beginning and 58.1MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-23 22:30:58,422 INFO L158 Benchmark]: BuchiAutomizer took 4605.54ms. Allocated memory was 127.9MB in the beginning and 167.8MB in the end (delta: 39.8MB). Free memory was 58.1MB in the beginning and 71.9MB in the end (delta: -13.8MB). Peak memory consumption was 26.8MB. Max. memory is 16.1GB. [2023-11-23 22:30:58,423 INFO L158 Benchmark]: Witness Printer took 3.99ms. Allocated memory is still 167.8MB. Free memory is still 71.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 22:30:58,425 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 127.9MB. Free memory is still 96.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 260.98ms. Allocated memory is still 127.9MB. Free memory was 82.0MB in the beginning and 71.9MB in the end (delta: 10.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.43ms. Allocated memory is still 127.9MB. Free memory was 71.9MB in the beginning and 70.2MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.81ms. Allocated memory is still 127.9MB. Free memory was 70.2MB in the beginning and 68.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 315.56ms. Allocated memory is still 127.9MB. Free memory was 68.6MB in the beginning and 58.1MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 4605.54ms. Allocated memory was 127.9MB in the beginning and 167.8MB in the end (delta: 39.8MB). Free memory was 58.1MB in the beginning and 71.9MB in the end (delta: -13.8MB). Peak memory consumption was 26.8MB. Max. memory is 16.1GB. * Witness Printer took 3.99ms. Allocated memory is still 167.8MB. Free memory is still 71.9MB. 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 #length[~x~0!base] could not be translated * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 3 terminating modules (1 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function null and consists of 5 locations. One deterministic module has affine ranking function (n + (-1 * i)) and consists of 3 locations. 1 modules have a trivial ranking function, the largest among these consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 4.5s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 4.0s. Construction of modules took 0.0s. Büchi inclusion checks took 0.3s. Highest rank in rank-based complementation 3. Minimization of det autom 3. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 23 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 21 mSDsluCounter, 42 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 16 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 26 IncrementalHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 26 mSDtfsCounter, 26 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso2 LassoPreprocessingBenchmarks: Lassos: inital133 mio100 ax100 hnf100 lsp89 ukn79 mio100 lsp44 div140 bol100 ite100 ukn100 eq149 hnf93 smp85 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 92ms 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! [2023-11-23 22:30:58,461 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4da373ab-bd17-400a-832f-a33fc68ab043/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2023-11-23 22:30:58,672 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4da373ab-bd17-400a-832f-a33fc68ab043/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE