./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/loops/verisec_OpenSER_cases1_stripFullBoth_arr.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 9bd2c7ff 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_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/loops/verisec_OpenSER_cases1_stripFullBoth_arr.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c1599706a72281425c0fc51552af364ca390697b315c5af0e88e5d6de4e668c6 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:57:29,951 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:57:30,020 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Termination-32bit-Automizer_Default.epf [2023-11-19 07:57:30,026 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:57:30,027 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:57:30,053 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:57:30,054 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:57:30,055 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:57:30,056 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:57:30,056 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:57:30,057 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:57:30,057 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-19 07:57:30,058 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-19 07:57:30,059 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-19 07:57:30,059 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-19 07:57:30,060 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-19 07:57:30,060 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-19 07:57:30,061 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:57:30,062 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-19 07:57:30,062 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 07:57:30,063 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 07:57:30,064 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 07:57:30,064 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:57:30,065 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-19 07:57:30,065 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-19 07:57:30,066 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-19 07:57:30,066 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 07:57:30,067 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 07:57:30,067 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:57:30,068 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-19 07:57:30,068 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:57:30,069 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:57:30,069 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:57:30,070 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:57:30,070 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 07:57:30,071 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-19 07:57:30,071 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_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c1599706a72281425c0fc51552af364ca390697b315c5af0e88e5d6de4e668c6 [2023-11-19 07:57:30,361 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:57:30,399 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:57:30,402 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:57:30,403 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:57:30,406 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:57:30,408 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/loops/verisec_OpenSER_cases1_stripFullBoth_arr.i [2023-11-19 07:57:33,618 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:57:33,876 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:57:33,877 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/sv-benchmarks/c/loops/verisec_OpenSER_cases1_stripFullBoth_arr.i [2023-11-19 07:57:33,886 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/data/ec4bc3899/5eeed2fced5249329f5adecd48c1403d/FLAGf245dd807 [2023-11-19 07:57:33,901 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/data/ec4bc3899/5eeed2fced5249329f5adecd48c1403d [2023-11-19 07:57:33,903 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:57:33,905 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:57:33,906 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:57:33,907 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:57:33,912 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:57:33,913 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:57:33" (1/1) ... [2023-11-19 07:57:33,914 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f323bc4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:57:33, skipping insertion in model container [2023-11-19 07:57:33,914 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:57:33" (1/1) ... [2023-11-19 07:57:33,945 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:57:34,205 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:57:34,223 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:57:34,275 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:57:34,298 WARN L675 CHandler]: The function strncpy is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:57:34,307 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:57:34,308 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:57:34 WrapperNode [2023-11-19 07:57:34,308 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:57:34,310 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:57:34,310 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:57:34,310 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:57:34,320 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:57:34" (1/1) ... [2023-11-19 07:57:34,329 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:57:34" (1/1) ... [2023-11-19 07:57:34,355 INFO L138 Inliner]: procedures = 42, calls = 30, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 149 [2023-11-19 07:57:34,356 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:57:34,356 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:57:34,357 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:57:34,357 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:57:34,367 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:57:34" (1/1) ... [2023-11-19 07:57:34,367 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:57:34" (1/1) ... [2023-11-19 07:57:34,370 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:57:34" (1/1) ... [2023-11-19 07:57:34,371 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:57:34" (1/1) ... [2023-11-19 07:57:34,379 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:57:34" (1/1) ... [2023-11-19 07:57:34,383 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:57:34" (1/1) ... [2023-11-19 07:57:34,385 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:57:34" (1/1) ... [2023-11-19 07:57:34,387 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:57:34" (1/1) ... [2023-11-19 07:57:34,390 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:57:34,406 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:57:34,406 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:57:34,407 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:57:34,408 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:57:34" (1/1) ... [2023-11-19 07:57:34,414 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:57:34,431 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:57:34,451 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:57:34,480 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-19 07:57:34,509 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:57:34,509 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 07:57:34,510 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 07:57:34,510 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 07:57:34,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 07:57:34,511 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2023-11-19 07:57:34,511 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:57:34,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:57:34,511 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 07:57:34,670 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:57:34,672 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:57:35,035 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:57:35,043 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:57:35,044 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-19 07:57:35,048 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:57:35 BoogieIcfgContainer [2023-11-19 07:57:35,048 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:57:35,049 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-11-19 07:57:35,049 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-11-19 07:57:35,053 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-11-19 07:57:35,054 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-19 07:57:35,055 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 19.11 07:57:33" (1/3) ... [2023-11-19 07:57:35,056 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1ad87b48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 07:57:35, skipping insertion in model container [2023-11-19 07:57:35,056 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-19 07:57:35,056 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:57:34" (2/3) ... [2023-11-19 07:57:35,056 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1ad87b48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 07:57:35, skipping insertion in model container [2023-11-19 07:57:35,057 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-19 07:57:35,057 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:57:35" (3/3) ... [2023-11-19 07:57:35,058 INFO L332 chiAutomizerObserver]: Analyzing ICFG verisec_OpenSER_cases1_stripFullBoth_arr.i [2023-11-19 07:57:35,112 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-11-19 07:57:35,112 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-11-19 07:57:35,113 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-11-19 07:57:35,113 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-11-19 07:57:35,113 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-11-19 07:57:35,113 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-11-19 07:57:35,113 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-11-19 07:57:35,113 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-11-19 07:57:35,118 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 38 states, 37 states have (on average 1.5135135135135136) internal successors, (56), 37 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:57:35,135 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 29 [2023-11-19 07:57:35,135 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 07:57:35,135 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 07:57:35,140 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-11-19 07:57:35,141 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-19 07:57:35,141 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-11-19 07:57:35,141 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 38 states, 37 states have (on average 1.5135135135135136) internal successors, (56), 37 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:57:35,145 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 29 [2023-11-19 07:57:35,145 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 07:57:35,145 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 07:57:35,146 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-11-19 07:57:35,146 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-19 07:57:35,153 INFO L748 eck$LassoCheckResult]: Stem: 34#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(43, 2); 11#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet22#1, main_#t~post21#1, main_~i~1#1, main_#t~ret23#1, main_~#A~0#1.base, main_~#A~0#1.offset;call main_~#A~0#1.base, main_~#A~0#1.offset := #Ultimate.allocOnStack(9);main_~i~1#1 := 0; 25#L87-3true [2023-11-19 07:57:35,153 INFO L750 eck$LassoCheckResult]: Loop: 25#L87-3true assume !!(main_~i~1#1 < 7);havoc main_#t~nondet22#1;call write~int(main_#t~nondet22#1, main_~#A~0#1.base, main_~#A~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet22#1; 6#L87-2true main_#t~post21#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post21#1;havoc main_#t~post21#1; 25#L87-3true [2023-11-19 07:57:35,158 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:57:35,158 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2023-11-19 07:57:35,167 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:57:35,167 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1872123455] [2023-11-19 07:57:35,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:57:35,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:57:35,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:57:35,291 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:57:35,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:57:35,316 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:57:35,320 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:57:35,320 INFO L85 PathProgramCache]: Analyzing trace with hash 1283, now seen corresponding path program 1 times [2023-11-19 07:57:35,320 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:57:35,321 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1772980292] [2023-11-19 07:57:35,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:57:35,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:57:35,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:57:35,332 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:57:35,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:57:35,342 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:57:35,343 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:57:35,344 INFO L85 PathProgramCache]: Analyzing trace with hash 925765, now seen corresponding path program 1 times [2023-11-19 07:57:35,344 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:57:35,344 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1771347092] [2023-11-19 07:57:35,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:57:35,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:57:35,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:57:35,368 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:57:35,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:57:35,397 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:57:35,774 INFO L210 LassoAnalysis]: Preferences: [2023-11-19 07:57:35,775 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-19 07:57:35,776 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-19 07:57:35,776 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-19 07:57:35,776 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-19 07:57:35,776 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:57:35,776 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-19 07:57:35,777 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-19 07:57:35,777 INFO L133 ssoRankerPreferences]: Filename of dumped script: verisec_OpenSER_cases1_stripFullBoth_arr.i_Iteration1_Lasso [2023-11-19 07:57:35,777 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-19 07:57:35,778 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-19 07:57:35,802 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:57:35,821 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:57:35,825 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:57:35,829 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:57:35,832 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:57:36,321 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-19 07:57:36,326 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-19 07:57:36,328 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:57:36,328 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:57:36,333 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:57:36,357 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:57:36,371 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:57:36,371 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:57:36,371 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:57:36,372 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:57:36,372 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:57:36,374 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:57:36,375 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:57:36,376 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2023-11-19 07:57:36,378 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:57:36,405 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2023-11-19 07:57:36,406 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:57:36,406 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:57:36,407 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:57:36,409 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2023-11-19 07:57:36,410 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:57:36,422 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:57:36,422 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:57:36,423 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:57:36,423 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:57:36,423 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:57:36,424 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:57:36,424 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:57:36,440 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:57:36,464 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2023-11-19 07:57:36,465 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:57:36,465 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:57:36,467 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:57:36,475 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:57:36,488 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:57:36,488 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:57:36,489 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:57:36,489 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:57:36,489 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:57:36,490 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:57:36,490 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:57:36,491 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2023-11-19 07:57:36,509 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:57:36,533 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2023-11-19 07:57:36,533 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:57:36,533 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:57:36,535 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:57:36,542 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:57:36,555 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2023-11-19 07:57:36,556 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:57:36,556 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:57:36,556 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:57:36,556 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:57:36,556 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:57:36,559 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:57:36,559 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:57:36,568 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:57:36,592 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2023-11-19 07:57:36,593 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:57:36,593 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:57:36,596 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:57:36,603 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:57:36,616 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2023-11-19 07:57:36,616 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:57:36,617 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:57:36,617 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:57:36,617 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:57:36,621 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:57:36,622 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:57:36,641 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:57:36,661 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2023-11-19 07:57:36,661 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:57:36,661 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:57:36,663 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:57:36,670 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:57:36,683 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:57:36,683 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:57:36,683 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:57:36,684 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:57:36,688 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2023-11-19 07:57:36,694 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:57:36,694 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:57:36,711 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-19 07:57:36,765 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2023-11-19 07:57:36,765 INFO L444 ModelExtractionUtils]: 0 out of 13 variables were initially zero. Simplification set additionally 10 variables to zero. [2023-11-19 07:57:36,767 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:57:36,768 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:57:36,817 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:57:36,821 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2023-11-19 07:57:36,821 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-19 07:57:36,857 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-11-19 07:57:36,858 INFO L513 LassoAnalysis]: Proved termination. [2023-11-19 07:57:36,858 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_~#A~0#1.base)_1, ULTIMATE.start_main_~i~1#1) = 13*v_rep(select #length ULTIMATE.start_main_~#A~0#1.base)_1 - 2*ULTIMATE.start_main_~i~1#1 Supporting invariants [] [2023-11-19 07:57:36,881 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2023-11-19 07:57:36,899 INFO L156 tatePredicateManager]: 4 out of 4 supporting invariants were superfluous and have been removed [2023-11-19 07:57:36,930 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[~#A~0!base] could not be translated [2023-11-19 07:57:36,960 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:57:37,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:37,002 INFO L262 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 07:57:37,003 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:57:37,037 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2023-11-19 07:57:37,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:37,049 INFO L262 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 07:57:37,050 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:57:37,098 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:57:37,155 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2023-11-19 07:57:37,158 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 38 states, 37 states have (on average 1.5135135135135136) internal successors, (56), 37 states have internal predecessors, (56), 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 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:57:37,237 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 38 states, 37 states have (on average 1.5135135135135136) internal successors, (56), 37 states have internal predecessors, (56), 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 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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 75 states and 113 transitions. Complement of second has 8 states. [2023-11-19 07:57:37,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2023-11-19 07:57:37,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:57:37,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 56 transitions. [2023-11-19 07:57:37,248 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 56 transitions. Stem has 2 letters. Loop has 2 letters. [2023-11-19 07:57:37,249 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 07:57:37,249 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 56 transitions. Stem has 4 letters. Loop has 2 letters. [2023-11-19 07:57:37,249 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 07:57:37,249 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 56 transitions. Stem has 2 letters. Loop has 4 letters. [2023-11-19 07:57:37,250 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 07:57:37,251 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 75 states and 113 transitions. [2023-11-19 07:57:37,256 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 27 [2023-11-19 07:57:37,261 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 75 states to 34 states and 49 transitions. [2023-11-19 07:57:37,262 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 31 [2023-11-19 07:57:37,263 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 32 [2023-11-19 07:57:37,264 INFO L73 IsDeterministic]: Start isDeterministic. Operand 34 states and 49 transitions. [2023-11-19 07:57:37,264 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:57:37,265 INFO L218 hiAutomatonCegarLoop]: Abstraction has 34 states and 49 transitions. [2023-11-19 07:57:37,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states and 49 transitions. [2023-11-19 07:57:37,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2023-11-19 07:57:37,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 34 states have (on average 1.4411764705882353) internal successors, (49), 33 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:57:37,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 49 transitions. [2023-11-19 07:57:37,299 INFO L240 hiAutomatonCegarLoop]: Abstraction has 34 states and 49 transitions. [2023-11-19 07:57:37,300 INFO L428 stractBuchiCegarLoop]: Abstraction has 34 states and 49 transitions. [2023-11-19 07:57:37,300 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-11-19 07:57:37,300 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 34 states and 49 transitions. [2023-11-19 07:57:37,301 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 27 [2023-11-19 07:57:37,302 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 07:57:37,302 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 07:57:37,303 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2023-11-19 07:57:37,303 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2023-11-19 07:57:37,303 INFO L748 eck$LassoCheckResult]: Stem: 201#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(43, 2); 184#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet22#1, main_#t~post21#1, main_~i~1#1, main_#t~ret23#1, main_~#A~0#1.base, main_~#A~0#1.offset;call main_~#A~0#1.base, main_~#A~0#1.offset := #Ultimate.allocOnStack(9);main_~i~1#1 := 0; 185#L87-3 assume !(main_~i~1#1 < 7); 197#L87-4 havoc main_~i~1#1;call write~int(0, main_~#A~0#1.base, 8 + main_~#A~0#1.offset, 1);assume { :begin_inline_parse_expression_list } true;parse_expression_list_#in~str#1.base, parse_expression_list_#in~str#1.offset := main_~#A~0#1.base, main_~#A~0#1.offset;havoc parse_expression_list_#res#1;havoc parse_expression_list_#t~post3#1, parse_expression_list_#t~mem4#1, parse_expression_list_#t~switch5#1, parse_expression_list_#t~post9#1, parse_expression_list_#t~mem6#1, parse_expression_list_#t~mem7#1, parse_expression_list_#t~short8#1, parse_expression_list_#t~mem10#1, parse_expression_list_#t~post11#1, parse_expression_list_#t~post16#1, parse_expression_list_#t~mem12#1, parse_expression_list_#t~mem13#1, parse_expression_list_#t~short14#1, parse_expression_list_#t~short15#1, parse_expression_list_#t~mem17#1, parse_expression_list_#t~short18#1, parse_expression_list_#t~post19#1, parse_expression_list_#t~ret20#1.base, parse_expression_list_#t~ret20#1.offset, parse_expression_list_#t~mem2#1, parse_expression_list_~str#1.base, parse_expression_list_~str#1.offset, parse_expression_list_~start~0#1, parse_expression_list_~i~0#1, parse_expression_list_~j~0#1, parse_expression_list_~#str2~0#1.base, parse_expression_list_~#str2~0#1.offset;parse_expression_list_~str#1.base, parse_expression_list_~str#1.offset := parse_expression_list_#in~str#1.base, parse_expression_list_#in~str#1.offset;parse_expression_list_~start~0#1 := 0;parse_expression_list_~i~0#1 := -1;parse_expression_list_~j~0#1 := -1;call parse_expression_list_~#str2~0#1.base, parse_expression_list_~#str2~0#1.offset := #Ultimate.allocOnStack(2); 200#L62 assume !(parse_expression_list_~str#1.base == 0 && parse_expression_list_~str#1.offset == 0); 189#L63-4 [2023-11-19 07:57:37,304 INFO L750 eck$LassoCheckResult]: Loop: 189#L63-4 parse_expression_list_#t~post3#1 := parse_expression_list_~i~0#1;parse_expression_list_~i~0#1 := 1 + parse_expression_list_#t~post3#1;havoc parse_expression_list_#t~post3#1;call parse_expression_list_#t~mem4#1 := read~int(parse_expression_list_~str#1.base, parse_expression_list_~str#1.offset + parse_expression_list_~i~0#1, 1);parse_expression_list_#t~switch5#1 := 0 == parse_expression_list_#t~mem4#1; 172#L66 assume !parse_expression_list_#t~switch5#1; 173#L65 havoc parse_expression_list_#t~mem4#1;havoc parse_expression_list_#t~switch5#1; 190#L63-1 call parse_expression_list_#t~mem2#1 := read~int(parse_expression_list_~str#1.base, parse_expression_list_~str#1.offset + parse_expression_list_~i~0#1, 1); 191#L63-2 assume !!(0 != parse_expression_list_#t~mem2#1);havoc parse_expression_list_#t~mem2#1; 189#L63-4 [2023-11-19 07:57:37,305 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:57:37,305 INFO L85 PathProgramCache]: Analyzing trace with hash 28696938, now seen corresponding path program 1 times [2023-11-19 07:57:37,305 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:57:37,306 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2081679355] [2023-11-19 07:57:37,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:57:37,306 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:57:37,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:37,410 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:57:37,411 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:57:37,412 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2081679355] [2023-11-19 07:57:37,413 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2081679355] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:57:37,413 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:57:37,413 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 07:57:37,414 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [241503535] [2023-11-19 07:57:37,415 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:57:37,417 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-19 07:57:37,418 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:57:37,418 INFO L85 PathProgramCache]: Analyzing trace with hash 55474879, now seen corresponding path program 1 times [2023-11-19 07:57:37,418 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:57:37,419 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1364578475] [2023-11-19 07:57:37,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:57:37,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:57:37,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:57:37,446 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:57:37,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:57:37,457 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:57:37,531 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:57:37,534 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:57:37,536 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:57:37,537 INFO L87 Difference]: Start difference. First operand 34 states and 49 transitions. cyclomatic complexity: 17 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) [2023-11-19 07:57:37,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:57:37,567 INFO L93 Difference]: Finished difference Result 34 states and 44 transitions. [2023-11-19 07:57:37,567 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 34 states and 44 transitions. [2023-11-19 07:57:37,575 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 24 [2023-11-19 07:57:37,579 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 34 states to 32 states and 42 transitions. [2023-11-19 07:57:37,580 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 29 [2023-11-19 07:57:37,580 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 29 [2023-11-19 07:57:37,581 INFO L73 IsDeterministic]: Start isDeterministic. Operand 32 states and 42 transitions. [2023-11-19 07:57:37,581 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:57:37,581 INFO L218 hiAutomatonCegarLoop]: Abstraction has 32 states and 42 transitions. [2023-11-19 07:57:37,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states and 42 transitions. [2023-11-19 07:57:37,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 31. [2023-11-19 07:57:37,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 31 states have (on average 1.3225806451612903) internal successors, (41), 30 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:57:37,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 41 transitions. [2023-11-19 07:57:37,590 INFO L240 hiAutomatonCegarLoop]: Abstraction has 31 states and 41 transitions. [2023-11-19 07:57:37,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:57:37,592 INFO L428 stractBuchiCegarLoop]: Abstraction has 31 states and 41 transitions. [2023-11-19 07:57:37,593 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2023-11-19 07:57:37,596 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 31 states and 41 transitions. [2023-11-19 07:57:37,598 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 24 [2023-11-19 07:57:37,598 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 07:57:37,598 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 07:57:37,599 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:57:37,599 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2023-11-19 07:57:37,599 INFO L748 eck$LassoCheckResult]: Stem: 272#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(43, 2); 253#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet22#1, main_#t~post21#1, main_~i~1#1, main_#t~ret23#1, main_~#A~0#1.base, main_~#A~0#1.offset;call main_~#A~0#1.base, main_~#A~0#1.offset := #Ultimate.allocOnStack(9);main_~i~1#1 := 0; 254#L87-3 assume !!(main_~i~1#1 < 7);havoc main_#t~nondet22#1;call write~int(main_#t~nondet22#1, main_~#A~0#1.base, main_~#A~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet22#1; 245#L87-2 main_#t~post21#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post21#1;havoc main_#t~post21#1; 246#L87-3 assume !(main_~i~1#1 < 7); 268#L87-4 havoc main_~i~1#1;call write~int(0, main_~#A~0#1.base, 8 + main_~#A~0#1.offset, 1);assume { :begin_inline_parse_expression_list } true;parse_expression_list_#in~str#1.base, parse_expression_list_#in~str#1.offset := main_~#A~0#1.base, main_~#A~0#1.offset;havoc parse_expression_list_#res#1;havoc parse_expression_list_#t~post3#1, parse_expression_list_#t~mem4#1, parse_expression_list_#t~switch5#1, parse_expression_list_#t~post9#1, parse_expression_list_#t~mem6#1, parse_expression_list_#t~mem7#1, parse_expression_list_#t~short8#1, parse_expression_list_#t~mem10#1, parse_expression_list_#t~post11#1, parse_expression_list_#t~post16#1, parse_expression_list_#t~mem12#1, parse_expression_list_#t~mem13#1, parse_expression_list_#t~short14#1, parse_expression_list_#t~short15#1, parse_expression_list_#t~mem17#1, parse_expression_list_#t~short18#1, parse_expression_list_#t~post19#1, parse_expression_list_#t~ret20#1.base, parse_expression_list_#t~ret20#1.offset, parse_expression_list_#t~mem2#1, parse_expression_list_~str#1.base, parse_expression_list_~str#1.offset, parse_expression_list_~start~0#1, parse_expression_list_~i~0#1, parse_expression_list_~j~0#1, parse_expression_list_~#str2~0#1.base, parse_expression_list_~#str2~0#1.offset;parse_expression_list_~str#1.base, parse_expression_list_~str#1.offset := parse_expression_list_#in~str#1.base, parse_expression_list_#in~str#1.offset;parse_expression_list_~start~0#1 := 0;parse_expression_list_~i~0#1 := -1;parse_expression_list_~j~0#1 := -1;call parse_expression_list_~#str2~0#1.base, parse_expression_list_~#str2~0#1.offset := #Ultimate.allocOnStack(2); 271#L62 assume !(parse_expression_list_~str#1.base == 0 && parse_expression_list_~str#1.offset == 0); 259#L63-4 [2023-11-19 07:57:37,599 INFO L750 eck$LassoCheckResult]: Loop: 259#L63-4 parse_expression_list_#t~post3#1 := parse_expression_list_~i~0#1;parse_expression_list_~i~0#1 := 1 + parse_expression_list_#t~post3#1;havoc parse_expression_list_#t~post3#1;call parse_expression_list_#t~mem4#1 := read~int(parse_expression_list_~str#1.base, parse_expression_list_~str#1.offset + parse_expression_list_~i~0#1, 1);parse_expression_list_#t~switch5#1 := 0 == parse_expression_list_#t~mem4#1; 242#L66 assume !parse_expression_list_#t~switch5#1; 243#L65 havoc parse_expression_list_#t~mem4#1;havoc parse_expression_list_#t~switch5#1; 260#L63-1 call parse_expression_list_#t~mem2#1 := read~int(parse_expression_list_~str#1.base, parse_expression_list_~str#1.offset + parse_expression_list_~i~0#1, 1); 261#L63-2 assume !!(0 != parse_expression_list_#t~mem2#1);havoc parse_expression_list_#t~mem2#1; 259#L63-4 [2023-11-19 07:57:37,604 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:57:37,605 INFO L85 PathProgramCache]: Analyzing trace with hash 1809669544, now seen corresponding path program 1 times [2023-11-19 07:57:37,605 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:57:37,605 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1672772533] [2023-11-19 07:57:37,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:57:37,606 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:57:37,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:37,723 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:57:37,723 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:57:37,724 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1672772533] [2023-11-19 07:57:37,724 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1672772533] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 07:57:37,724 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1480410736] [2023-11-19 07:57:37,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:57:37,724 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:57:37,725 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:57:37,732 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:57:37,758 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-11-19 07:57:37,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:37,813 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 07:57:37,815 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:57:37,832 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:57:37,832 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 07:57:37,858 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:57:37,858 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1480410736] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 07:57:37,858 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-19 07:57:37,859 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2023-11-19 07:57:37,859 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2038874724] [2023-11-19 07:57:37,859 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-19 07:57:37,861 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-19 07:57:37,861 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:57:37,861 INFO L85 PathProgramCache]: Analyzing trace with hash 55474879, now seen corresponding path program 2 times [2023-11-19 07:57:37,861 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:57:37,863 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [188904291] [2023-11-19 07:57:37,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:57:37,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:57:37,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:57:37,875 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:57:37,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:57:37,882 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:57:37,966 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:57:37,967 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-19 07:57:37,967 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2023-11-19 07:57:37,967 INFO L87 Difference]: Start difference. First operand 31 states and 41 transitions. cyclomatic complexity: 12 Second operand has 7 states, 7 states have (on average 2.0) internal successors, (14), 7 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:57:38,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:57:38,019 INFO L93 Difference]: Finished difference Result 37 states and 47 transitions. [2023-11-19 07:57:38,020 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 37 states and 47 transitions. [2023-11-19 07:57:38,020 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 24 [2023-11-19 07:57:38,021 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 37 states to 37 states and 47 transitions. [2023-11-19 07:57:38,021 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 29 [2023-11-19 07:57:38,022 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 29 [2023-11-19 07:57:38,022 INFO L73 IsDeterministic]: Start isDeterministic. Operand 37 states and 47 transitions. [2023-11-19 07:57:38,022 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:57:38,022 INFO L218 hiAutomatonCegarLoop]: Abstraction has 37 states and 47 transitions. [2023-11-19 07:57:38,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states and 47 transitions. [2023-11-19 07:57:38,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2023-11-19 07:57:38,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 37 states have (on average 1.2702702702702702) internal successors, (47), 36 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:57:38,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 47 transitions. [2023-11-19 07:57:38,026 INFO L240 hiAutomatonCegarLoop]: Abstraction has 37 states and 47 transitions. [2023-11-19 07:57:38,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-19 07:57:38,027 INFO L428 stractBuchiCegarLoop]: Abstraction has 37 states and 47 transitions. [2023-11-19 07:57:38,027 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2023-11-19 07:57:38,028 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 37 states and 47 transitions. [2023-11-19 07:57:38,028 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 24 [2023-11-19 07:57:38,028 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 07:57:38,028 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 07:57:38,029 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [4, 4, 1, 1, 1, 1, 1] [2023-11-19 07:57:38,029 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2023-11-19 07:57:38,029 INFO L748 eck$LassoCheckResult]: Stem: 386#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(43, 2); 367#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet22#1, main_#t~post21#1, main_~i~1#1, main_#t~ret23#1, main_~#A~0#1.base, main_~#A~0#1.offset;call main_~#A~0#1.base, main_~#A~0#1.offset := #Ultimate.allocOnStack(9);main_~i~1#1 := 0; 368#L87-3 assume !!(main_~i~1#1 < 7);havoc main_#t~nondet22#1;call write~int(main_#t~nondet22#1, main_~#A~0#1.base, main_~#A~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet22#1; 359#L87-2 main_#t~post21#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post21#1;havoc main_#t~post21#1; 360#L87-3 assume !!(main_~i~1#1 < 7);havoc main_#t~nondet22#1;call write~int(main_#t~nondet22#1, main_~#A~0#1.base, main_~#A~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet22#1; 382#L87-2 main_#t~post21#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post21#1;havoc main_#t~post21#1; 392#L87-3 assume !!(main_~i~1#1 < 7);havoc main_#t~nondet22#1;call write~int(main_#t~nondet22#1, main_~#A~0#1.base, main_~#A~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet22#1; 391#L87-2 main_#t~post21#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post21#1;havoc main_#t~post21#1; 390#L87-3 assume !!(main_~i~1#1 < 7);havoc main_#t~nondet22#1;call write~int(main_#t~nondet22#1, main_~#A~0#1.base, main_~#A~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet22#1; 389#L87-2 main_#t~post21#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post21#1;havoc main_#t~post21#1; 388#L87-3 assume !(main_~i~1#1 < 7); 387#L87-4 havoc main_~i~1#1;call write~int(0, main_~#A~0#1.base, 8 + main_~#A~0#1.offset, 1);assume { :begin_inline_parse_expression_list } true;parse_expression_list_#in~str#1.base, parse_expression_list_#in~str#1.offset := main_~#A~0#1.base, main_~#A~0#1.offset;havoc parse_expression_list_#res#1;havoc parse_expression_list_#t~post3#1, parse_expression_list_#t~mem4#1, parse_expression_list_#t~switch5#1, parse_expression_list_#t~post9#1, parse_expression_list_#t~mem6#1, parse_expression_list_#t~mem7#1, parse_expression_list_#t~short8#1, parse_expression_list_#t~mem10#1, parse_expression_list_#t~post11#1, parse_expression_list_#t~post16#1, parse_expression_list_#t~mem12#1, parse_expression_list_#t~mem13#1, parse_expression_list_#t~short14#1, parse_expression_list_#t~short15#1, parse_expression_list_#t~mem17#1, parse_expression_list_#t~short18#1, parse_expression_list_#t~post19#1, parse_expression_list_#t~ret20#1.base, parse_expression_list_#t~ret20#1.offset, parse_expression_list_#t~mem2#1, parse_expression_list_~str#1.base, parse_expression_list_~str#1.offset, parse_expression_list_~start~0#1, parse_expression_list_~i~0#1, parse_expression_list_~j~0#1, parse_expression_list_~#str2~0#1.base, parse_expression_list_~#str2~0#1.offset;parse_expression_list_~str#1.base, parse_expression_list_~str#1.offset := parse_expression_list_#in~str#1.base, parse_expression_list_#in~str#1.offset;parse_expression_list_~start~0#1 := 0;parse_expression_list_~i~0#1 := -1;parse_expression_list_~j~0#1 := -1;call parse_expression_list_~#str2~0#1.base, parse_expression_list_~#str2~0#1.offset := #Ultimate.allocOnStack(2); 385#L62 assume !(parse_expression_list_~str#1.base == 0 && parse_expression_list_~str#1.offset == 0); 373#L63-4 [2023-11-19 07:57:38,030 INFO L750 eck$LassoCheckResult]: Loop: 373#L63-4 parse_expression_list_#t~post3#1 := parse_expression_list_~i~0#1;parse_expression_list_~i~0#1 := 1 + parse_expression_list_#t~post3#1;havoc parse_expression_list_#t~post3#1;call parse_expression_list_#t~mem4#1 := read~int(parse_expression_list_~str#1.base, parse_expression_list_~str#1.offset + parse_expression_list_~i~0#1, 1);parse_expression_list_#t~switch5#1 := 0 == parse_expression_list_#t~mem4#1; 356#L66 assume !parse_expression_list_#t~switch5#1; 357#L65 havoc parse_expression_list_#t~mem4#1;havoc parse_expression_list_#t~switch5#1; 374#L63-1 call parse_expression_list_#t~mem2#1 := read~int(parse_expression_list_~str#1.base, parse_expression_list_~str#1.offset + parse_expression_list_~i~0#1, 1); 375#L63-2 assume !!(0 != parse_expression_list_#t~mem2#1);havoc parse_expression_list_#t~mem2#1; 373#L63-4 [2023-11-19 07:57:38,030 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:57:38,030 INFO L85 PathProgramCache]: Analyzing trace with hash 82232674, now seen corresponding path program 2 times [2023-11-19 07:57:38,030 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:57:38,030 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [9536953] [2023-11-19 07:57:38,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:57:38,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:57:38,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:38,223 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:57:38,223 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:57:38,224 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [9536953] [2023-11-19 07:57:38,224 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [9536953] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 07:57:38,224 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1236650510] [2023-11-19 07:57:38,224 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-19 07:57:38,224 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:57:38,225 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:57:38,226 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:57:38,249 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-11-19 07:57:38,319 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-19 07:57:38,319 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-19 07:57:38,320 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 07:57:38,322 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:57:38,363 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:57:38,363 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 07:57:38,440 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:57:38,440 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1236650510] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 07:57:38,440 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-19 07:57:38,440 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 10 [2023-11-19 07:57:38,441 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1025806204] [2023-11-19 07:57:38,441 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-19 07:57:38,441 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-19 07:57:38,442 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:57:38,442 INFO L85 PathProgramCache]: Analyzing trace with hash 55474879, now seen corresponding path program 3 times [2023-11-19 07:57:38,442 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:57:38,442 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1146651934] [2023-11-19 07:57:38,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:57:38,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:57:38,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:57:38,448 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:57:38,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:57:38,454 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:57:38,525 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:57:38,525 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-19 07:57:38,526 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2023-11-19 07:57:38,526 INFO L87 Difference]: Start difference. First operand 37 states and 47 transitions. cyclomatic complexity: 12 Second operand has 10 states, 10 states have (on average 2.2) internal successors, (22), 10 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:57:38,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:57:38,571 INFO L93 Difference]: Finished difference Result 43 states and 53 transitions. [2023-11-19 07:57:38,572 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 43 states and 53 transitions. [2023-11-19 07:57:38,574 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 24 [2023-11-19 07:57:38,577 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 43 states to 43 states and 53 transitions. [2023-11-19 07:57:38,577 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 29 [2023-11-19 07:57:38,579 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 29 [2023-11-19 07:57:38,579 INFO L73 IsDeterministic]: Start isDeterministic. Operand 43 states and 53 transitions. [2023-11-19 07:57:38,580 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:57:38,580 INFO L218 hiAutomatonCegarLoop]: Abstraction has 43 states and 53 transitions. [2023-11-19 07:57:38,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states and 53 transitions. [2023-11-19 07:57:38,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2023-11-19 07:57:38,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 43 states have (on average 1.2325581395348837) internal successors, (53), 42 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:57:38,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 53 transitions. [2023-11-19 07:57:38,588 INFO L240 hiAutomatonCegarLoop]: Abstraction has 43 states and 53 transitions. [2023-11-19 07:57:38,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-19 07:57:38,592 INFO L428 stractBuchiCegarLoop]: Abstraction has 43 states and 53 transitions. [2023-11-19 07:57:38,592 INFO L335 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2023-11-19 07:57:38,592 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 43 states and 53 transitions. [2023-11-19 07:57:38,593 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 24 [2023-11-19 07:57:38,593 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 07:57:38,593 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 07:57:38,594 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [7, 7, 1, 1, 1, 1, 1] [2023-11-19 07:57:38,595 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2023-11-19 07:57:38,595 INFO L748 eck$LassoCheckResult]: Stem: 551#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(43, 2); 532#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet22#1, main_#t~post21#1, main_~i~1#1, main_#t~ret23#1, main_~#A~0#1.base, main_~#A~0#1.offset;call main_~#A~0#1.base, main_~#A~0#1.offset := #Ultimate.allocOnStack(9);main_~i~1#1 := 0; 533#L87-3 assume !!(main_~i~1#1 < 7);havoc main_#t~nondet22#1;call write~int(main_#t~nondet22#1, main_~#A~0#1.base, main_~#A~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet22#1; 526#L87-2 main_#t~post21#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post21#1;havoc main_#t~post21#1; 527#L87-3 assume !!(main_~i~1#1 < 7);havoc main_#t~nondet22#1;call write~int(main_#t~nondet22#1, main_~#A~0#1.base, main_~#A~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet22#1; 548#L87-2 main_#t~post21#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post21#1;havoc main_#t~post21#1; 563#L87-3 assume !!(main_~i~1#1 < 7);havoc main_#t~nondet22#1;call write~int(main_#t~nondet22#1, main_~#A~0#1.base, main_~#A~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet22#1; 562#L87-2 main_#t~post21#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post21#1;havoc main_#t~post21#1; 561#L87-3 assume !!(main_~i~1#1 < 7);havoc main_#t~nondet22#1;call write~int(main_#t~nondet22#1, main_~#A~0#1.base, main_~#A~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet22#1; 560#L87-2 main_#t~post21#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post21#1;havoc main_#t~post21#1; 559#L87-3 assume !!(main_~i~1#1 < 7);havoc main_#t~nondet22#1;call write~int(main_#t~nondet22#1, main_~#A~0#1.base, main_~#A~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet22#1; 558#L87-2 main_#t~post21#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post21#1;havoc main_#t~post21#1; 557#L87-3 assume !!(main_~i~1#1 < 7);havoc main_#t~nondet22#1;call write~int(main_#t~nondet22#1, main_~#A~0#1.base, main_~#A~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet22#1; 556#L87-2 main_#t~post21#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post21#1;havoc main_#t~post21#1; 555#L87-3 assume !!(main_~i~1#1 < 7);havoc main_#t~nondet22#1;call write~int(main_#t~nondet22#1, main_~#A~0#1.base, main_~#A~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet22#1; 554#L87-2 main_#t~post21#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post21#1;havoc main_#t~post21#1; 553#L87-3 assume !(main_~i~1#1 < 7); 552#L87-4 havoc main_~i~1#1;call write~int(0, main_~#A~0#1.base, 8 + main_~#A~0#1.offset, 1);assume { :begin_inline_parse_expression_list } true;parse_expression_list_#in~str#1.base, parse_expression_list_#in~str#1.offset := main_~#A~0#1.base, main_~#A~0#1.offset;havoc parse_expression_list_#res#1;havoc parse_expression_list_#t~post3#1, parse_expression_list_#t~mem4#1, parse_expression_list_#t~switch5#1, parse_expression_list_#t~post9#1, parse_expression_list_#t~mem6#1, parse_expression_list_#t~mem7#1, parse_expression_list_#t~short8#1, parse_expression_list_#t~mem10#1, parse_expression_list_#t~post11#1, parse_expression_list_#t~post16#1, parse_expression_list_#t~mem12#1, parse_expression_list_#t~mem13#1, parse_expression_list_#t~short14#1, parse_expression_list_#t~short15#1, parse_expression_list_#t~mem17#1, parse_expression_list_#t~short18#1, parse_expression_list_#t~post19#1, parse_expression_list_#t~ret20#1.base, parse_expression_list_#t~ret20#1.offset, parse_expression_list_#t~mem2#1, parse_expression_list_~str#1.base, parse_expression_list_~str#1.offset, parse_expression_list_~start~0#1, parse_expression_list_~i~0#1, parse_expression_list_~j~0#1, parse_expression_list_~#str2~0#1.base, parse_expression_list_~#str2~0#1.offset;parse_expression_list_~str#1.base, parse_expression_list_~str#1.offset := parse_expression_list_#in~str#1.base, parse_expression_list_#in~str#1.offset;parse_expression_list_~start~0#1 := 0;parse_expression_list_~i~0#1 := -1;parse_expression_list_~j~0#1 := -1;call parse_expression_list_~#str2~0#1.base, parse_expression_list_~#str2~0#1.offset := #Ultimate.allocOnStack(2); 550#L62 assume !(parse_expression_list_~str#1.base == 0 && parse_expression_list_~str#1.offset == 0); 538#L63-4 [2023-11-19 07:57:38,595 INFO L750 eck$LassoCheckResult]: Loop: 538#L63-4 parse_expression_list_#t~post3#1 := parse_expression_list_~i~0#1;parse_expression_list_~i~0#1 := 1 + parse_expression_list_#t~post3#1;havoc parse_expression_list_#t~post3#1;call parse_expression_list_#t~mem4#1 := read~int(parse_expression_list_~str#1.base, parse_expression_list_~str#1.offset + parse_expression_list_~i~0#1, 1);parse_expression_list_#t~switch5#1 := 0 == parse_expression_list_#t~mem4#1; 521#L66 assume !parse_expression_list_#t~switch5#1; 522#L65 havoc parse_expression_list_#t~mem4#1;havoc parse_expression_list_#t~switch5#1; 539#L63-1 call parse_expression_list_#t~mem2#1 := read~int(parse_expression_list_~str#1.base, parse_expression_list_~str#1.offset + parse_expression_list_~i~0#1, 1); 540#L63-2 assume !!(0 != parse_expression_list_#t~mem2#1);havoc parse_expression_list_#t~mem2#1; 538#L63-4 [2023-11-19 07:57:38,596 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:57:38,596 INFO L85 PathProgramCache]: Analyzing trace with hash 72219036, now seen corresponding path program 3 times [2023-11-19 07:57:38,596 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:57:38,596 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [167929614] [2023-11-19 07:57:38,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:57:38,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:57:38,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:57:38,646 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:57:38,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:57:38,690 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:57:38,696 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:57:38,697 INFO L85 PathProgramCache]: Analyzing trace with hash 55474879, now seen corresponding path program 4 times [2023-11-19 07:57:38,697 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:57:38,697 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [764571960] [2023-11-19 07:57:38,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:57:38,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:57:38,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:57:38,704 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:57:38,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:57:38,712 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:57:38,713 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:57:38,713 INFO L85 PathProgramCache]: Analyzing trace with hash -1772926460, now seen corresponding path program 1 times [2023-11-19 07:57:38,713 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:57:38,714 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2003255801] [2023-11-19 07:57:38,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:57:38,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:57:38,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:57:38,765 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:57:38,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:57:38,805 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:57:43,721 INFO L210 LassoAnalysis]: Preferences: [2023-11-19 07:57:43,721 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-19 07:57:43,721 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-19 07:57:43,721 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-19 07:57:43,721 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-19 07:57:43,721 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:57:43,721 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-19 07:57:43,721 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-19 07:57:43,721 INFO L133 ssoRankerPreferences]: Filename of dumped script: verisec_OpenSER_cases1_stripFullBoth_arr.i_Iteration5_Lasso [2023-11-19 07:57:43,722 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-19 07:57:43,722 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-19 07:57:43,729 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:57:43,732 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:57:43,734 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:57:43,737 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:57:43,740 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:57:43,744 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:57:43,749 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:57:43,751 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:57:43,754 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:57:43,758 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:57:43,760 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:57:43,764 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:57:43,767 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:57:43,771 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:57:43,774 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:57:43,777 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:57:43,780 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:57:44,309 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:57:44,312 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:57:44,315 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:57:44,318 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:57:44,321 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:57:44,324 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:57:44,326 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:57:44,330 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:57:44,332 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:57:44,335 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:57:44,338 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:57:44,340 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:57:44,343 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:57:44,345 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:57:44,348 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:57:44,755 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-19 07:57:44,755 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-19 07:57:44,755 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:57:44,755 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:57:44,765 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:57:44,770 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2023-11-19 07:57:44,771 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:57:44,784 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:57:44,784 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:57:44,784 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:57:44,784 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:57:44,784 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:57:44,785 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:57:44,785 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:57:44,794 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:57:44,812 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2023-11-19 07:57:44,813 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:57:44,813 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:57:44,814 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:57:44,823 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2023-11-19 07:57:44,823 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:57:44,833 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:57:44,834 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:57:44,834 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:57:44,834 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:57:44,834 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:57:44,834 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:57:44,834 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:57:44,836 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:57:44,848 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2023-11-19 07:57:44,848 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:57:44,848 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:57:44,849 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:57:44,851 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2023-11-19 07:57:44,852 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:57:44,862 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:57:44,862 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:57:44,862 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:57:44,862 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:57:44,862 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:57:44,862 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:57:44,862 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:57:44,864 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:57:44,876 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2023-11-19 07:57:44,877 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:57:44,878 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:57:44,879 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:57:44,882 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2023-11-19 07:57:44,883 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:57:44,893 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:57:44,893 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:57:44,894 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:57:44,894 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:57:44,894 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:57:44,897 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:57:44,897 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:57:44,898 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:57:44,910 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2023-11-19 07:57:44,910 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:57:44,911 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:57:44,911 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:57:44,914 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2023-11-19 07:57:44,914 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:57:44,924 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:57:44,924 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:57:44,925 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:57:44,925 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:57:44,925 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:57:44,925 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:57:44,925 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:57:44,927 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:57:44,939 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2023-11-19 07:57:44,939 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:57:44,940 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:57:44,940 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:57:44,941 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2023-11-19 07:57:44,946 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:57:44,956 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:57:44,956 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:57:44,956 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:57:44,956 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:57:44,963 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:57:44,963 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:57:44,985 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:57:45,009 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2023-11-19 07:57:45,009 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:57:45,010 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:57:45,011 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:57:45,018 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:57:45,018 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2023-11-19 07:57:45,030 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:57:45,030 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:57:45,030 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:57:45,031 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:57:45,031 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:57:45,032 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:57:45,032 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:57:45,045 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:57:45,069 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2023-11-19 07:57:45,069 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:57:45,069 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:57:45,070 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:57:45,073 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:57:45,086 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:57:45,086 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:57:45,086 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:57:45,086 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:57:45,086 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:57:45,087 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:57:45,087 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:57:45,088 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2023-11-19 07:57:45,092 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:57:45,114 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2023-11-19 07:57:45,115 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:57:45,115 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:57:45,117 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:57:45,119 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:57:45,130 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2023-11-19 07:57:45,132 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:57:45,132 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:57:45,132 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:57:45,132 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:57:45,132 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:57:45,133 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:57:45,133 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:57:45,142 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:57:45,165 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2023-11-19 07:57:45,165 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:57:45,166 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:57:45,167 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:57:45,179 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:57:45,191 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:57:45,191 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:57:45,191 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:57:45,191 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:57:45,191 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:57:45,192 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:57:45,192 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:57:45,193 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2023-11-19 07:57:45,197 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:57:45,211 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2023-11-19 07:57:45,211 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:57:45,211 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:57:45,212 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:57:45,213 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2023-11-19 07:57:45,215 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:57:45,225 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:57:45,225 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:57:45,225 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:57:45,225 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:57:45,225 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:57:45,226 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:57:45,226 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:57:45,227 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:57:45,240 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2023-11-19 07:57:45,240 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:57:45,240 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:57:45,241 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:57:45,242 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2023-11-19 07:57:45,243 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:57:45,253 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:57:45,254 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:57:45,254 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:57:45,254 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:57:45,254 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:57:45,254 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:57:45,254 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:57:45,256 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:57:45,267 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2023-11-19 07:57:45,268 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:57:45,268 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:57:45,269 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:57:45,270 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2023-11-19 07:57:45,270 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:57:45,282 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:57:45,283 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:57:45,283 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:57:45,283 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:57:45,285 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:57:45,285 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:57:45,301 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:57:45,319 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Ended with exit code 0 [2023-11-19 07:57:45,320 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:57:45,320 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:57:45,321 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:57:45,326 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:57:45,338 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:57:45,338 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:57:45,338 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:57:45,338 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:57:45,340 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:57:45,341 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:57:45,341 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2023-11-19 07:57:45,357 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:57:45,380 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2023-11-19 07:57:45,381 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:57:45,381 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:57:45,382 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:57:45,386 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:57:45,398 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:57:45,398 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:57:45,398 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:57:45,398 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:57:45,398 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:57:45,399 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:57:45,399 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:57:45,401 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2023-11-19 07:57:45,421 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:57:45,444 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2023-11-19 07:57:45,444 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:57:45,445 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:57:45,446 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:57:45,448 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:57:45,453 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2023-11-19 07:57:45,458 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:57:45,458 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:57:45,459 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:57:45,459 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:57:45,459 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:57:45,460 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:57:45,460 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:57:45,461 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:57:45,473 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2023-11-19 07:57:45,474 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:57:45,474 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:57:45,475 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:57:45,477 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2023-11-19 07:57:45,477 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:57:45,487 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:57:45,488 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:57:45,488 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:57:45,488 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:57:45,490 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:57:45,490 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:57:45,517 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:57:45,540 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2023-11-19 07:57:45,541 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:57:45,541 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:57:45,542 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:57:45,546 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:57:45,558 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:57:45,558 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:57:45,558 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:57:45,558 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:57:45,561 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:57:45,561 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:57:45,561 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2023-11-19 07:57:45,577 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:57:45,600 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2023-11-19 07:57:45,601 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:57:45,601 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:57:45,602 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:57:45,606 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:57:45,609 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2023-11-19 07:57:45,618 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:57:45,618 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:57:45,618 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:57:45,619 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:57:45,619 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:57:45,619 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:57:45,619 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:57:45,645 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:57:45,662 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Ended with exit code 0 [2023-11-19 07:57:45,663 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:57:45,663 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:57:45,664 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:57:45,666 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2023-11-19 07:57:45,667 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:57:45,677 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:57:45,677 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:57:45,677 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:57:45,677 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:57:45,679 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:57:45,679 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:57:45,691 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:57:45,709 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2023-11-19 07:57:45,710 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:57:45,710 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:57:45,711 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:57:45,714 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:57:45,726 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:57:45,726 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:57:45,726 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:57:45,726 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:57:45,726 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:57:45,727 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:57:45,727 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:57:45,729 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2023-11-19 07:57:45,737 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:57:45,757 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2023-11-19 07:57:45,758 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:57:45,758 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:57:45,760 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:57:45,761 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2023-11-19 07:57:45,763 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:57:45,775 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:57:45,775 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:57:45,775 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:57:45,775 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:57:45,775 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:57:45,775 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:57:45,776 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:57:45,789 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:57:45,806 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2023-11-19 07:57:45,807 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:57:45,807 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:57:45,808 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:57:45,814 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2023-11-19 07:57:45,814 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:57:45,824 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:57:45,824 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:57:45,824 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:57:45,824 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:57:45,826 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:57:45,826 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:57:45,845 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:57:45,856 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Ended with exit code 0 [2023-11-19 07:57:45,856 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:57:45,857 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:57:45,858 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:57:45,859 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2023-11-19 07:57:45,860 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:57:45,870 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:57:45,870 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:57:45,870 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:57:45,870 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:57:45,872 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:57:45,872 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:57:45,895 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:57:45,913 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Ended with exit code 0 [2023-11-19 07:57:45,914 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:57:45,914 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:57:45,915 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:57:45,916 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2023-11-19 07:57:45,917 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:57:45,927 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:57:45,927 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:57:45,927 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:57:45,927 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:57:45,935 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:57:45,935 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:57:45,960 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:57:45,974 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Ended with exit code 0 [2023-11-19 07:57:45,974 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:57:45,975 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:57:45,975 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:57:45,977 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2023-11-19 07:57:45,978 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:57:45,987 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:57:45,988 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:57:45,988 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:57:45,988 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:57:45,989 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:57:45,990 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:57:46,025 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:57:46,044 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2023-11-19 07:57:46,044 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:57:46,045 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:57:46,046 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:57:46,050 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:57:46,062 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:57:46,062 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:57:46,062 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:57:46,062 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:57:46,065 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2023-11-19 07:57:46,067 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:57:46,067 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:57:46,085 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-19 07:57:46,106 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2023-11-19 07:57:46,106 INFO L444 ModelExtractionUtils]: 5 out of 16 variables were initially zero. Simplification set additionally 5 variables to zero. [2023-11-19 07:57:46,107 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:57:46,107 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:57:46,111 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:57:46,114 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-19 07:57:46,126 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2023-11-19 07:57:46,143 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2023-11-19 07:57:46,143 INFO L513 LassoAnalysis]: Proved termination. [2023-11-19 07:57:46,143 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_parse_expression_list_~str#1.offset, ULTIMATE.start_parse_expression_list_~i~0#1) = -2*ULTIMATE.start_parse_expression_list_~str#1.offset - 2*ULTIMATE.start_parse_expression_list_~i~0#1 + 15 Supporting invariants [-1*v_rep(select #length ULTIMATE.start_main_~#A~0#1.base)_2 + 9 >= 0] [2023-11-19 07:57:46,166 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2023-11-19 07:57:46,218 INFO L156 tatePredicateManager]: 12 out of 14 supporting invariants were superfluous and have been removed [2023-11-19 07:57:46,223 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: Expression ~str!offset has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-19 07:57:46,249 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:57:46,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:46,292 INFO L262 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-19 07:57:46,295 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:57:46,327 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-19 07:57:46,338 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-11-19 07:57:46,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 07:57:46,473 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 9 [2023-11-19 07:57:46,488 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2023-11-19 07:57:46,489 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2023-11-19 07:57:46,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:46,507 INFO L262 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 07:57:46,508 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:57:46,583 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2023-11-19 07:57:46,618 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:57:46,619 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.3 stem predicates 2 loop predicates [2023-11-19 07:57:46,619 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 43 states and 53 transitions. cyclomatic complexity: 12 Second operand has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 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) [2023-11-19 07:57:46,717 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 43 states and 53 transitions. cyclomatic complexity: 12. Second operand has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 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) Result 69 states and 88 transitions. Complement of second has 6 states. [2023-11-19 07:57:46,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 3 stem states 1 non-accepting loop states 1 accepting loop states [2023-11-19 07:57:46,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 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) [2023-11-19 07:57:46,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 41 transitions. [2023-11-19 07:57:46,722 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 41 transitions. Stem has 19 letters. Loop has 5 letters. [2023-11-19 07:57:46,724 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 07:57:46,724 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 41 transitions. Stem has 24 letters. Loop has 5 letters. [2023-11-19 07:57:46,725 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 07:57:46,725 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 41 transitions. Stem has 19 letters. Loop has 10 letters. [2023-11-19 07:57:46,726 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 07:57:46,726 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 69 states and 88 transitions. [2023-11-19 07:57:46,727 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2023-11-19 07:57:46,730 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 69 states to 56 states and 72 transitions. [2023-11-19 07:57:46,730 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17 [2023-11-19 07:57:46,731 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 18 [2023-11-19 07:57:46,731 INFO L73 IsDeterministic]: Start isDeterministic. Operand 56 states and 72 transitions. [2023-11-19 07:57:46,731 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-19 07:57:46,731 INFO L218 hiAutomatonCegarLoop]: Abstraction has 56 states and 72 transitions. [2023-11-19 07:57:46,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states and 72 transitions. [2023-11-19 07:57:46,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 55. [2023-11-19 07:57:46,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 55 states have (on average 1.290909090909091) internal successors, (71), 54 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:57:46,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 71 transitions. [2023-11-19 07:57:46,740 INFO L240 hiAutomatonCegarLoop]: Abstraction has 55 states and 71 transitions. [2023-11-19 07:57:46,741 INFO L428 stractBuchiCegarLoop]: Abstraction has 55 states and 71 transitions. [2023-11-19 07:57:46,741 INFO L335 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2023-11-19 07:57:46,741 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 55 states and 71 transitions. [2023-11-19 07:57:46,743 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2023-11-19 07:57:46,744 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 07:57:46,744 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 07:57:46,745 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [7, 7, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:57:46,745 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-19 07:57:46,746 INFO L748 eck$LassoCheckResult]: Stem: 833#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(43, 2); 806#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet22#1, main_#t~post21#1, main_~i~1#1, main_#t~ret23#1, main_~#A~0#1.base, main_~#A~0#1.offset;call main_~#A~0#1.base, main_~#A~0#1.offset := #Ultimate.allocOnStack(9);main_~i~1#1 := 0; 807#L87-3 assume !!(main_~i~1#1 < 7);havoc main_#t~nondet22#1;call write~int(main_#t~nondet22#1, main_~#A~0#1.base, main_~#A~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet22#1; 797#L87-2 main_#t~post21#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post21#1;havoc main_#t~post21#1; 798#L87-3 assume !!(main_~i~1#1 < 7);havoc main_#t~nondet22#1;call write~int(main_#t~nondet22#1, main_~#A~0#1.base, main_~#A~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet22#1; 829#L87-2 main_#t~post21#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post21#1;havoc main_#t~post21#1; 845#L87-3 assume !!(main_~i~1#1 < 7);havoc main_#t~nondet22#1;call write~int(main_#t~nondet22#1, main_~#A~0#1.base, main_~#A~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet22#1; 844#L87-2 main_#t~post21#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post21#1;havoc main_#t~post21#1; 843#L87-3 assume !!(main_~i~1#1 < 7);havoc main_#t~nondet22#1;call write~int(main_#t~nondet22#1, main_~#A~0#1.base, main_~#A~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet22#1; 842#L87-2 main_#t~post21#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post21#1;havoc main_#t~post21#1; 841#L87-3 assume !!(main_~i~1#1 < 7);havoc main_#t~nondet22#1;call write~int(main_#t~nondet22#1, main_~#A~0#1.base, main_~#A~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet22#1; 840#L87-2 main_#t~post21#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post21#1;havoc main_#t~post21#1; 839#L87-3 assume !!(main_~i~1#1 < 7);havoc main_#t~nondet22#1;call write~int(main_#t~nondet22#1, main_~#A~0#1.base, main_~#A~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet22#1; 838#L87-2 main_#t~post21#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post21#1;havoc main_#t~post21#1; 837#L87-3 assume !!(main_~i~1#1 < 7);havoc main_#t~nondet22#1;call write~int(main_#t~nondet22#1, main_~#A~0#1.base, main_~#A~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet22#1; 836#L87-2 main_#t~post21#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post21#1;havoc main_#t~post21#1; 835#L87-3 assume !(main_~i~1#1 < 7); 834#L87-4 havoc main_~i~1#1;call write~int(0, main_~#A~0#1.base, 8 + main_~#A~0#1.offset, 1);assume { :begin_inline_parse_expression_list } true;parse_expression_list_#in~str#1.base, parse_expression_list_#in~str#1.offset := main_~#A~0#1.base, main_~#A~0#1.offset;havoc parse_expression_list_#res#1;havoc parse_expression_list_#t~post3#1, parse_expression_list_#t~mem4#1, parse_expression_list_#t~switch5#1, parse_expression_list_#t~post9#1, parse_expression_list_#t~mem6#1, parse_expression_list_#t~mem7#1, parse_expression_list_#t~short8#1, parse_expression_list_#t~mem10#1, parse_expression_list_#t~post11#1, parse_expression_list_#t~post16#1, parse_expression_list_#t~mem12#1, parse_expression_list_#t~mem13#1, parse_expression_list_#t~short14#1, parse_expression_list_#t~short15#1, parse_expression_list_#t~mem17#1, parse_expression_list_#t~short18#1, parse_expression_list_#t~post19#1, parse_expression_list_#t~ret20#1.base, parse_expression_list_#t~ret20#1.offset, parse_expression_list_#t~mem2#1, parse_expression_list_~str#1.base, parse_expression_list_~str#1.offset, parse_expression_list_~start~0#1, parse_expression_list_~i~0#1, parse_expression_list_~j~0#1, parse_expression_list_~#str2~0#1.base, parse_expression_list_~#str2~0#1.offset;parse_expression_list_~str#1.base, parse_expression_list_~str#1.offset := parse_expression_list_#in~str#1.base, parse_expression_list_#in~str#1.offset;parse_expression_list_~start~0#1 := 0;parse_expression_list_~i~0#1 := -1;parse_expression_list_~j~0#1 := -1;call parse_expression_list_~#str2~0#1.base, parse_expression_list_~#str2~0#1.offset := #Ultimate.allocOnStack(2); 832#L62 assume !(parse_expression_list_~str#1.base == 0 && parse_expression_list_~str#1.offset == 0); 814#L63-4 parse_expression_list_#t~post3#1 := parse_expression_list_~i~0#1;parse_expression_list_~i~0#1 := 1 + parse_expression_list_#t~post3#1;havoc parse_expression_list_#t~post3#1;call parse_expression_list_#t~mem4#1 := read~int(parse_expression_list_~str#1.base, parse_expression_list_~str#1.offset + parse_expression_list_~i~0#1, 1);parse_expression_list_#t~switch5#1 := 0 == parse_expression_list_#t~mem4#1; 791#L66 assume parse_expression_list_#t~switch5#1; 794#L67-5 [2023-11-19 07:57:46,747 INFO L750 eck$LassoCheckResult]: Loop: 794#L67-5 call parse_expression_list_#t~mem6#1 := read~int(parse_expression_list_~str#1.base, parse_expression_list_~str#1.offset + parse_expression_list_~start~0#1, 1);parse_expression_list_#t~short8#1 := 32 == parse_expression_list_#t~mem6#1; 804#L67-1 assume parse_expression_list_#t~short8#1; 822#L67-3 assume !!parse_expression_list_#t~short8#1;havoc parse_expression_list_#t~mem6#1;havoc parse_expression_list_#t~mem7#1;havoc parse_expression_list_#t~short8#1;parse_expression_list_#t~post9#1 := parse_expression_list_~start~0#1;parse_expression_list_~start~0#1 := 1 + parse_expression_list_#t~post9#1;havoc parse_expression_list_#t~post9#1; 794#L67-5 [2023-11-19 07:57:46,747 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:57:46,747 INFO L85 PathProgramCache]: Analyzing trace with hash 683017663, now seen corresponding path program 1 times [2023-11-19 07:57:46,747 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:57:46,747 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [394261605] [2023-11-19 07:57:46,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:57:46,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:57:46,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:57:46,772 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:57:46,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:57:46,819 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:57:46,820 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:57:46,820 INFO L85 PathProgramCache]: Analyzing trace with hash 62664, now seen corresponding path program 1 times [2023-11-19 07:57:46,820 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:57:46,820 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1308905233] [2023-11-19 07:57:46,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:57:46,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:57:46,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:57:46,826 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:57:46,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:57:46,829 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:57:46,830 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:57:46,830 INFO L85 PathProgramCache]: Analyzing trace with hash -1775817142, now seen corresponding path program 1 times [2023-11-19 07:57:46,830 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:57:46,830 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [884808032] [2023-11-19 07:57:46,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:57:46,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:57:46,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:47,128 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2023-11-19 07:57:47,128 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:57:47,128 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [884808032] [2023-11-19 07:57:47,128 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [884808032] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:57:47,128 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:57:47,128 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-19 07:57:47,129 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1066682381] [2023-11-19 07:57:47,129 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:57:47,190 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:57:47,191 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-19 07:57:47,191 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-11-19 07:57:47,191 INFO L87 Difference]: Start difference. First operand 55 states and 71 transitions. cyclomatic complexity: 20 Second operand has 7 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 7 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) [2023-11-19 07:57:47,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:57:47,354 INFO L93 Difference]: Finished difference Result 87 states and 114 transitions. [2023-11-19 07:57:47,354 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 87 states and 114 transitions. [2023-11-19 07:57:47,355 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 13 [2023-11-19 07:57:47,356 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 87 states to 87 states and 114 transitions. [2023-11-19 07:57:47,356 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 28 [2023-11-19 07:57:47,356 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 28 [2023-11-19 07:57:47,356 INFO L73 IsDeterministic]: Start isDeterministic. Operand 87 states and 114 transitions. [2023-11-19 07:57:47,356 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-19 07:57:47,356 INFO L218 hiAutomatonCegarLoop]: Abstraction has 87 states and 114 transitions. [2023-11-19 07:57:47,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states and 114 transitions. [2023-11-19 07:57:47,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 62. [2023-11-19 07:57:47,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 62 states have (on average 1.2903225806451613) internal successors, (80), 61 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:57:47,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 80 transitions. [2023-11-19 07:57:47,361 INFO L240 hiAutomatonCegarLoop]: Abstraction has 62 states and 80 transitions. [2023-11-19 07:57:47,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-19 07:57:47,362 INFO L428 stractBuchiCegarLoop]: Abstraction has 62 states and 80 transitions. [2023-11-19 07:57:47,363 INFO L335 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2023-11-19 07:57:47,363 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 62 states and 80 transitions. [2023-11-19 07:57:47,363 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2023-11-19 07:57:47,364 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 07:57:47,364 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 07:57:47,364 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [7, 7, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:57:47,365 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-19 07:57:47,365 INFO L748 eck$LassoCheckResult]: Stem: 998#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(43, 2); 969#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet22#1, main_#t~post21#1, main_~i~1#1, main_#t~ret23#1, main_~#A~0#1.base, main_~#A~0#1.offset;call main_~#A~0#1.base, main_~#A~0#1.offset := #Ultimate.allocOnStack(9);main_~i~1#1 := 0; 970#L87-3 assume !!(main_~i~1#1 < 7);havoc main_#t~nondet22#1;call write~int(main_#t~nondet22#1, main_~#A~0#1.base, main_~#A~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet22#1; 959#L87-2 main_#t~post21#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post21#1;havoc main_#t~post21#1; 960#L87-3 assume !!(main_~i~1#1 < 7);havoc main_#t~nondet22#1;call write~int(main_#t~nondet22#1, main_~#A~0#1.base, main_~#A~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet22#1; 993#L87-2 main_#t~post21#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post21#1;havoc main_#t~post21#1; 1010#L87-3 assume !!(main_~i~1#1 < 7);havoc main_#t~nondet22#1;call write~int(main_#t~nondet22#1, main_~#A~0#1.base, main_~#A~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet22#1; 1009#L87-2 main_#t~post21#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post21#1;havoc main_#t~post21#1; 1008#L87-3 assume !!(main_~i~1#1 < 7);havoc main_#t~nondet22#1;call write~int(main_#t~nondet22#1, main_~#A~0#1.base, main_~#A~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet22#1; 1007#L87-2 main_#t~post21#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post21#1;havoc main_#t~post21#1; 1006#L87-3 assume !!(main_~i~1#1 < 7);havoc main_#t~nondet22#1;call write~int(main_#t~nondet22#1, main_~#A~0#1.base, main_~#A~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet22#1; 1005#L87-2 main_#t~post21#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post21#1;havoc main_#t~post21#1; 1004#L87-3 assume !!(main_~i~1#1 < 7);havoc main_#t~nondet22#1;call write~int(main_#t~nondet22#1, main_~#A~0#1.base, main_~#A~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet22#1; 1003#L87-2 main_#t~post21#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post21#1;havoc main_#t~post21#1; 1002#L87-3 assume !!(main_~i~1#1 < 7);havoc main_#t~nondet22#1;call write~int(main_#t~nondet22#1, main_~#A~0#1.base, main_~#A~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet22#1; 1001#L87-2 main_#t~post21#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post21#1;havoc main_#t~post21#1; 1000#L87-3 assume !(main_~i~1#1 < 7); 999#L87-4 havoc main_~i~1#1;call write~int(0, main_~#A~0#1.base, 8 + main_~#A~0#1.offset, 1);assume { :begin_inline_parse_expression_list } true;parse_expression_list_#in~str#1.base, parse_expression_list_#in~str#1.offset := main_~#A~0#1.base, main_~#A~0#1.offset;havoc parse_expression_list_#res#1;havoc parse_expression_list_#t~post3#1, parse_expression_list_#t~mem4#1, parse_expression_list_#t~switch5#1, parse_expression_list_#t~post9#1, parse_expression_list_#t~mem6#1, parse_expression_list_#t~mem7#1, parse_expression_list_#t~short8#1, parse_expression_list_#t~mem10#1, parse_expression_list_#t~post11#1, parse_expression_list_#t~post16#1, parse_expression_list_#t~mem12#1, parse_expression_list_#t~mem13#1, parse_expression_list_#t~short14#1, parse_expression_list_#t~short15#1, parse_expression_list_#t~mem17#1, parse_expression_list_#t~short18#1, parse_expression_list_#t~post19#1, parse_expression_list_#t~ret20#1.base, parse_expression_list_#t~ret20#1.offset, parse_expression_list_#t~mem2#1, parse_expression_list_~str#1.base, parse_expression_list_~str#1.offset, parse_expression_list_~start~0#1, parse_expression_list_~i~0#1, parse_expression_list_~j~0#1, parse_expression_list_~#str2~0#1.base, parse_expression_list_~#str2~0#1.offset;parse_expression_list_~str#1.base, parse_expression_list_~str#1.offset := parse_expression_list_#in~str#1.base, parse_expression_list_#in~str#1.offset;parse_expression_list_~start~0#1 := 0;parse_expression_list_~i~0#1 := -1;parse_expression_list_~j~0#1 := -1;call parse_expression_list_~#str2~0#1.base, parse_expression_list_~#str2~0#1.offset := #Ultimate.allocOnStack(2); 997#L62 assume !(parse_expression_list_~str#1.base == 0 && parse_expression_list_~str#1.offset == 0); 977#L63-4 parse_expression_list_#t~post3#1 := parse_expression_list_~i~0#1;parse_expression_list_~i~0#1 := 1 + parse_expression_list_#t~post3#1;havoc parse_expression_list_#t~post3#1;call parse_expression_list_#t~mem4#1 := read~int(parse_expression_list_~str#1.base, parse_expression_list_~str#1.offset + parse_expression_list_~i~0#1, 1);parse_expression_list_#t~switch5#1 := 0 == parse_expression_list_#t~mem4#1; 953#L66 assume !parse_expression_list_#t~switch5#1; 954#L65 havoc parse_expression_list_#t~mem4#1;havoc parse_expression_list_#t~switch5#1; 980#L63-1 call parse_expression_list_#t~mem2#1 := read~int(parse_expression_list_~str#1.base, parse_expression_list_~str#1.offset + parse_expression_list_~i~0#1, 1); 981#L63-2 assume !!(0 != parse_expression_list_#t~mem2#1);havoc parse_expression_list_#t~mem2#1; 978#L63-4 parse_expression_list_#t~post3#1 := parse_expression_list_~i~0#1;parse_expression_list_~i~0#1 := 1 + parse_expression_list_#t~post3#1;havoc parse_expression_list_#t~post3#1;call parse_expression_list_#t~mem4#1 := read~int(parse_expression_list_~str#1.base, parse_expression_list_~str#1.offset + parse_expression_list_~i~0#1, 1);parse_expression_list_#t~switch5#1 := 0 == parse_expression_list_#t~mem4#1; 979#L66 assume parse_expression_list_#t~switch5#1; 966#L67-5 [2023-11-19 07:57:47,365 INFO L750 eck$LassoCheckResult]: Loop: 966#L67-5 call parse_expression_list_#t~mem6#1 := read~int(parse_expression_list_~str#1.base, parse_expression_list_~str#1.offset + parse_expression_list_~start~0#1, 1);parse_expression_list_#t~short8#1 := 32 == parse_expression_list_#t~mem6#1; 967#L67-1 assume parse_expression_list_#t~short8#1; 1014#L67-3 assume !!parse_expression_list_#t~short8#1;havoc parse_expression_list_#t~mem6#1;havoc parse_expression_list_#t~mem7#1;havoc parse_expression_list_#t~short8#1;parse_expression_list_#t~post9#1 := parse_expression_list_~start~0#1;parse_expression_list_~start~0#1 := 1 + parse_expression_list_#t~post9#1;havoc parse_expression_list_#t~post9#1; 966#L67-5 [2023-11-19 07:57:47,365 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:57:47,365 INFO L85 PathProgramCache]: Analyzing trace with hash 1319689255, now seen corresponding path program 1 times [2023-11-19 07:57:47,366 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:57:47,366 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1358816877] [2023-11-19 07:57:47,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:57:47,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:57:47,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:57:47,387 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:57:47,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:57:47,406 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:57:47,406 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:57:47,406 INFO L85 PathProgramCache]: Analyzing trace with hash 62664, now seen corresponding path program 2 times [2023-11-19 07:57:47,407 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:57:47,407 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1602383341] [2023-11-19 07:57:47,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:57:47,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:57:47,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:57:47,410 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:57:47,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:57:47,414 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:57:47,414 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:57:47,414 INFO L85 PathProgramCache]: Analyzing trace with hash -1267999006, now seen corresponding path program 1 times [2023-11-19 07:57:47,414 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:57:47,415 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1254402613] [2023-11-19 07:57:47,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:57:47,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:57:47,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:57:47,435 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:57:47,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:57:47,454 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:57:52,771 INFO L210 LassoAnalysis]: Preferences: [2023-11-19 07:57:52,771 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-19 07:57:52,771 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-19 07:57:52,771 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-19 07:57:52,771 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-19 07:57:52,772 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:57:52,772 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-19 07:57:52,772 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-19 07:57:52,772 INFO L133 ssoRankerPreferences]: Filename of dumped script: verisec_OpenSER_cases1_stripFullBoth_arr.i_Iteration7_Lasso [2023-11-19 07:57:52,772 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-19 07:57:52,772 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-19 07:57:52,775 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:57:52,778 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:57:52,780 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:57:52,783 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:57:53,389 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:57:53,391 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:57:53,396 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:57:53,399 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:57:53,402 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:57:53,410 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:57:53,412 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:57:53,415 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:57:53,418 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:57:53,420 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:57:53,423 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:57:53,427 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:57:53,429 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:57:53,432 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:57:53,434 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:57:53,437 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:57:53,442 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:57:53,445 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:57:53,448 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:57:53,450 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:57:53,453 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:57:53,456 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:57:53,459 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:57:53,466 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:57:53,469 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:57:53,471 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:57:53,473 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:57:53,476 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:57:53,922 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-19 07:57:53,922 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-19 07:57:53,923 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:57:53,923 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:57:53,924 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:57:53,927 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2023-11-19 07:57:53,929 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:57:53,941 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:57:53,941 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:57:53,941 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:57:53,941 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:57:53,941 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:57:53,942 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:57:53,942 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:57:53,945 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:57:53,958 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2023-11-19 07:57:53,958 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:57:53,958 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:57:53,959 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:57:53,962 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2023-11-19 07:57:53,963 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:57:53,972 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:57:53,972 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:57:53,972 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:57:53,973 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:57:53,973 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:57:53,973 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:57:53,974 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:57:53,975 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:57:53,987 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Ended with exit code 0 [2023-11-19 07:57:53,988 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:57:53,988 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:57:53,989 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:57:53,990 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2023-11-19 07:57:53,991 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:57:54,001 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:57:54,001 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:57:54,001 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:57:54,001 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:57:54,002 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:57:54,002 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:57:54,002 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:57:54,016 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:57:54,028 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Ended with exit code 0 [2023-11-19 07:57:54,028 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:57:54,028 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:57:54,029 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:57:54,031 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2023-11-19 07:57:54,032 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:57:54,042 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:57:54,042 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:57:54,042 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:57:54,042 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:57:54,044 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:57:54,044 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:57:54,064 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:57:54,076 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Ended with exit code 0 [2023-11-19 07:57:54,076 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:57:54,076 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:57:54,077 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:57:54,078 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2023-11-19 07:57:54,078 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:57:54,088 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:57:54,088 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:57:54,088 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:57:54,089 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:57:54,089 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:57:54,089 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:57:54,089 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:57:54,090 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:57:54,103 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Ended with exit code 0 [2023-11-19 07:57:54,103 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:57:54,104 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:57:54,105 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:57:54,109 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2023-11-19 07:57:54,109 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:57:54,119 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:57:54,119 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:57:54,119 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:57:54,119 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:57:54,121 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:57:54,121 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:57:54,124 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:57:54,136 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Ended with exit code 0 [2023-11-19 07:57:54,136 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:57:54,136 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:57:54,137 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:57:54,138 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2023-11-19 07:57:54,139 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:57:54,149 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:57:54,149 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:57:54,149 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:57:54,149 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:57:54,150 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:57:54,150 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:57:54,154 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:57:54,167 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Ended with exit code 0 [2023-11-19 07:57:54,167 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:57:54,168 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:57:54,168 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:57:54,169 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2023-11-19 07:57:54,174 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:57:54,186 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:57:54,186 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:57:54,186 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:57:54,186 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:57:54,190 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:57:54,190 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:57:54,205 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:57:54,228 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Forceful destruction successful, exit code 0 [2023-11-19 07:57:54,228 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:57:54,228 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:57:54,229 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:57:54,234 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:57:54,246 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:57:54,246 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:57:54,246 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:57:54,246 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:57:54,246 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:57:54,247 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:57:54,247 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:57:54,248 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2023-11-19 07:57:54,258 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:57:54,276 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Forceful destruction successful, exit code 0 [2023-11-19 07:57:54,276 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:57:54,276 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:57:54,278 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:57:54,282 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:57:54,294 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:57:54,294 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2023-11-19 07:57:54,295 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:57:54,295 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:57:54,296 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2023-11-19 07:57:54,299 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2023-11-19 07:57:54,300 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:57:54,307 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:57:54,319 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Ended with exit code 0 [2023-11-19 07:57:54,319 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:57:54,319 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:57:54,320 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:57:54,322 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2023-11-19 07:57:54,322 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:57:54,332 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:57:54,333 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:57:54,333 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:57:54,333 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:57:54,335 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:57:54,335 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:57:54,339 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:57:54,352 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Ended with exit code 0 [2023-11-19 07:57:54,352 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:57:54,352 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:57:54,353 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:57:54,354 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2023-11-19 07:57:54,355 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:57:54,365 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:57:54,366 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:57:54,366 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:57:54,366 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:57:54,372 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:57:54,372 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:57:54,403 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:57:54,414 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Ended with exit code 0 [2023-11-19 07:57:54,414 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:57:54,415 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:57:54,415 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:57:54,416 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2023-11-19 07:57:54,417 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:57:54,427 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:57:54,427 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:57:54,427 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:57:54,427 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:57:54,427 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:57:54,428 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:57:54,428 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:57:54,429 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:57:54,443 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Forceful destruction successful, exit code 0 [2023-11-19 07:57:54,444 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:57:54,444 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:57:54,446 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:57:54,447 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2023-11-19 07:57:54,448 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:57:54,458 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:57:54,458 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:57:54,458 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:57:54,458 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:57:54,460 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:57:54,460 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:57:54,464 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:57:54,476 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Forceful destruction successful, exit code 0 [2023-11-19 07:57:54,476 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:57:54,476 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:57:54,477 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:57:54,479 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2023-11-19 07:57:54,479 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:57:54,489 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:57:54,489 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:57:54,489 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:57:54,489 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:57:54,491 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:57:54,491 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:57:54,495 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:57:54,507 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Ended with exit code 0 [2023-11-19 07:57:54,508 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:57:54,508 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:57:54,509 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:57:54,510 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2023-11-19 07:57:54,510 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:57:54,520 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:57:54,520 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:57:54,520 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:57:54,520 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:57:54,522 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:57:54,522 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:57:54,532 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:57:54,547 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Ended with exit code 0 [2023-11-19 07:57:54,547 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:57:54,547 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:57:54,549 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:57:54,550 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2023-11-19 07:57:54,550 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:57:54,561 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:57:54,561 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:57:54,561 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:57:54,561 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:57:54,562 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:57:54,562 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:57:54,562 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:57:54,563 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:57:54,575 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Ended with exit code 0 [2023-11-19 07:57:54,576 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:57:54,576 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:57:54,576 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:57:54,577 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2023-11-19 07:57:54,578 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:57:54,588 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:57:54,588 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:57:54,588 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:57:54,588 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:57:54,588 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:57:54,589 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:57:54,589 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:57:54,590 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:57:54,603 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Ended with exit code 0 [2023-11-19 07:57:54,603 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:57:54,603 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:57:54,604 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:57:54,605 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2023-11-19 07:57:54,606 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:57:54,616 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:57:54,616 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:57:54,616 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:57:54,616 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:57:54,618 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:57:54,618 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:57:54,623 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:57:54,635 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Ended with exit code 0 [2023-11-19 07:57:54,635 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:57:54,636 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:57:54,636 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:57:54,637 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2023-11-19 07:57:54,638 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:57:54,648 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:57:54,648 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:57:54,648 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:57:54,648 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:57:54,649 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:57:54,649 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:57:54,653 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:57:54,665 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Forceful destruction successful, exit code 0 [2023-11-19 07:57:54,665 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:57:54,666 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:57:54,666 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:57:54,667 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2023-11-19 07:57:54,668 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:57:54,678 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:57:54,678 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:57:54,678 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:57:54,678 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:57:54,679 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:57:54,680 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:57:54,683 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:57:54,708 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Forceful destruction successful, exit code 0 [2023-11-19 07:57:54,709 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:57:54,709 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:57:54,710 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:57:54,712 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2023-11-19 07:57:54,713 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:57:54,723 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:57:54,723 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:57:54,723 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:57:54,723 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:57:54,726 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:57:54,727 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:57:54,733 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:57:54,744 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Ended with exit code 0 [2023-11-19 07:57:54,745 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:57:54,745 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:57:54,746 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:57:54,746 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2023-11-19 07:57:54,747 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:57:54,757 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:57:54,757 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:57:54,757 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:57:54,757 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:57:54,765 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:57:54,765 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:57:54,781 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-19 07:57:54,816 INFO L443 ModelExtractionUtils]: Simplification made 13 calls to the SMT solver. [2023-11-19 07:57:54,816 INFO L444 ModelExtractionUtils]: 0 out of 16 variables were initially zero. Simplification set additionally 12 variables to zero. [2023-11-19 07:57:54,816 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:57:54,817 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:57:54,818 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:57:54,826 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-19 07:57:54,838 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2023-11-19 07:57:54,840 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-11-19 07:57:54,841 INFO L513 LassoAnalysis]: Proved termination. [2023-11-19 07:57:54,841 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_parse_expression_list_~str#1.offset, v_rep(select #length ULTIMATE.start_main_~#A~0#1.base)_3, ULTIMATE.start_parse_expression_list_~start~0#1) = -1*ULTIMATE.start_parse_expression_list_~str#1.offset + 1*v_rep(select #length ULTIMATE.start_main_~#A~0#1.base)_3 - 1*ULTIMATE.start_parse_expression_list_~start~0#1 Supporting invariants [] [2023-11-19 07:57:54,856 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Forceful destruction successful, exit code 0 [2023-11-19 07:57:54,907 INFO L156 tatePredicateManager]: 12 out of 13 supporting invariants were superfluous and have been removed [2023-11-19 07:57:54,910 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[~#A~0!base] could not be translated [2023-11-19 07:57:54,910 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: Expression ~str!offset has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-19 07:57:54,935 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:57:54,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:54,987 INFO L262 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 07:57:54,990 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:57:55,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:55,066 INFO L262 TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 07:57:55,067 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:57:55,100 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:57:55,101 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2023-11-19 07:57:55,101 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 62 states and 80 transitions. cyclomatic complexity: 22 Second operand has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:57:55,224 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 62 states and 80 transitions. cyclomatic complexity: 22. Second operand has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 169 states and 230 transitions. Complement of second has 8 states. [2023-11-19 07:57:55,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2023-11-19 07:57:55,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:57:55,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 57 transitions. [2023-11-19 07:57:55,227 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 57 transitions. Stem has 26 letters. Loop has 3 letters. [2023-11-19 07:57:55,229 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 07:57:55,229 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 57 transitions. Stem has 29 letters. Loop has 3 letters. [2023-11-19 07:57:55,229 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 07:57:55,230 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 57 transitions. Stem has 26 letters. Loop has 6 letters. [2023-11-19 07:57:55,230 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 07:57:55,231 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 169 states and 230 transitions. [2023-11-19 07:57:55,233 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 18 [2023-11-19 07:57:55,235 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 169 states to 131 states and 176 transitions. [2023-11-19 07:57:55,236 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 34 [2023-11-19 07:57:55,236 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 42 [2023-11-19 07:57:55,237 INFO L73 IsDeterministic]: Start isDeterministic. Operand 131 states and 176 transitions. [2023-11-19 07:57:55,238 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-19 07:57:55,238 INFO L218 hiAutomatonCegarLoop]: Abstraction has 131 states and 176 transitions. [2023-11-19 07:57:55,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states and 176 transitions. [2023-11-19 07:57:55,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 88. [2023-11-19 07:57:55,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 88 states have (on average 1.3522727272727273) internal successors, (119), 87 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:57:55,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 119 transitions. [2023-11-19 07:57:55,260 INFO L240 hiAutomatonCegarLoop]: Abstraction has 88 states and 119 transitions. [2023-11-19 07:57:55,260 INFO L428 stractBuchiCegarLoop]: Abstraction has 88 states and 119 transitions. [2023-11-19 07:57:55,260 INFO L335 stractBuchiCegarLoop]: ======== Iteration 8 ============ [2023-11-19 07:57:55,260 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 88 states and 119 transitions. [2023-11-19 07:57:55,261 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2023-11-19 07:57:55,262 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 07:57:55,262 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 07:57:55,263 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:57:55,264 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-19 07:57:55,264 INFO L748 eck$LassoCheckResult]: Stem: 1407#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(43, 2); 1372#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet22#1, main_#t~post21#1, main_~i~1#1, main_#t~ret23#1, main_~#A~0#1.base, main_~#A~0#1.offset;call main_~#A~0#1.base, main_~#A~0#1.offset := #Ultimate.allocOnStack(9);main_~i~1#1 := 0; 1373#L87-3 assume !!(main_~i~1#1 < 7);havoc main_#t~nondet22#1;call write~int(main_#t~nondet22#1, main_~#A~0#1.base, main_~#A~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet22#1; 1359#L87-2 main_#t~post21#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post21#1;havoc main_#t~post21#1; 1360#L87-3 assume !!(main_~i~1#1 < 7);havoc main_#t~nondet22#1;call write~int(main_#t~nondet22#1, main_~#A~0#1.base, main_~#A~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet22#1; 1400#L87-2 main_#t~post21#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post21#1;havoc main_#t~post21#1; 1421#L87-3 assume !!(main_~i~1#1 < 7);havoc main_#t~nondet22#1;call write~int(main_#t~nondet22#1, main_~#A~0#1.base, main_~#A~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet22#1; 1420#L87-2 main_#t~post21#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post21#1;havoc main_#t~post21#1; 1419#L87-3 assume !!(main_~i~1#1 < 7);havoc main_#t~nondet22#1;call write~int(main_#t~nondet22#1, main_~#A~0#1.base, main_~#A~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet22#1; 1418#L87-2 main_#t~post21#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post21#1;havoc main_#t~post21#1; 1417#L87-3 assume !!(main_~i~1#1 < 7);havoc main_#t~nondet22#1;call write~int(main_#t~nondet22#1, main_~#A~0#1.base, main_~#A~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet22#1; 1416#L87-2 main_#t~post21#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post21#1;havoc main_#t~post21#1; 1415#L87-3 assume !!(main_~i~1#1 < 7);havoc main_#t~nondet22#1;call write~int(main_#t~nondet22#1, main_~#A~0#1.base, main_~#A~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet22#1; 1414#L87-2 main_#t~post21#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post21#1;havoc main_#t~post21#1; 1413#L87-3 assume !!(main_~i~1#1 < 7);havoc main_#t~nondet22#1;call write~int(main_#t~nondet22#1, main_~#A~0#1.base, main_~#A~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet22#1; 1412#L87-2 main_#t~post21#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post21#1;havoc main_#t~post21#1; 1411#L87-3 assume !(main_~i~1#1 < 7); 1408#L87-4 havoc main_~i~1#1;call write~int(0, main_~#A~0#1.base, 8 + main_~#A~0#1.offset, 1);assume { :begin_inline_parse_expression_list } true;parse_expression_list_#in~str#1.base, parse_expression_list_#in~str#1.offset := main_~#A~0#1.base, main_~#A~0#1.offset;havoc parse_expression_list_#res#1;havoc parse_expression_list_#t~post3#1, parse_expression_list_#t~mem4#1, parse_expression_list_#t~switch5#1, parse_expression_list_#t~post9#1, parse_expression_list_#t~mem6#1, parse_expression_list_#t~mem7#1, parse_expression_list_#t~short8#1, parse_expression_list_#t~mem10#1, parse_expression_list_#t~post11#1, parse_expression_list_#t~post16#1, parse_expression_list_#t~mem12#1, parse_expression_list_#t~mem13#1, parse_expression_list_#t~short14#1, parse_expression_list_#t~short15#1, parse_expression_list_#t~mem17#1, parse_expression_list_#t~short18#1, parse_expression_list_#t~post19#1, parse_expression_list_#t~ret20#1.base, parse_expression_list_#t~ret20#1.offset, parse_expression_list_#t~mem2#1, parse_expression_list_~str#1.base, parse_expression_list_~str#1.offset, parse_expression_list_~start~0#1, parse_expression_list_~i~0#1, parse_expression_list_~j~0#1, parse_expression_list_~#str2~0#1.base, parse_expression_list_~#str2~0#1.offset;parse_expression_list_~str#1.base, parse_expression_list_~str#1.offset := parse_expression_list_#in~str#1.base, parse_expression_list_#in~str#1.offset;parse_expression_list_~start~0#1 := 0;parse_expression_list_~i~0#1 := -1;parse_expression_list_~j~0#1 := -1;call parse_expression_list_~#str2~0#1.base, parse_expression_list_~#str2~0#1.offset := #Ultimate.allocOnStack(2); 1406#L62 assume !(parse_expression_list_~str#1.base == 0 && parse_expression_list_~str#1.offset == 0); 1380#L63-4 parse_expression_list_#t~post3#1 := parse_expression_list_~i~0#1;parse_expression_list_~i~0#1 := 1 + parse_expression_list_#t~post3#1;havoc parse_expression_list_#t~post3#1;call parse_expression_list_#t~mem4#1 := read~int(parse_expression_list_~str#1.base, parse_expression_list_~str#1.offset + parse_expression_list_~i~0#1, 1);parse_expression_list_#t~switch5#1 := 0 == parse_expression_list_#t~mem4#1; 1381#L66 assume parse_expression_list_#t~switch5#1; 1366#L67-5 call parse_expression_list_#t~mem6#1 := read~int(parse_expression_list_~str#1.base, parse_expression_list_~str#1.offset + parse_expression_list_~start~0#1, 1);parse_expression_list_#t~short8#1 := 32 == parse_expression_list_#t~mem6#1; 1367#L67-1 assume !parse_expression_list_#t~short8#1;call parse_expression_list_#t~mem7#1 := read~int(parse_expression_list_~str#1.base, parse_expression_list_~str#1.offset + parse_expression_list_~start~0#1, 1);parse_expression_list_#t~short8#1 := 9 == parse_expression_list_#t~mem7#1; 1389#L67-3 assume !parse_expression_list_#t~short8#1;havoc parse_expression_list_#t~mem6#1;havoc parse_expression_list_#t~mem7#1;havoc parse_expression_list_#t~short8#1; 1390#L67-6 call parse_expression_list_#t~mem10#1 := read~int(parse_expression_list_~str#1.base, parse_expression_list_~str#1.offset + parse_expression_list_~start~0#1, 1); 1429#L68 assume 34 == parse_expression_list_#t~mem10#1;havoc parse_expression_list_#t~mem10#1;parse_expression_list_#t~post11#1 := parse_expression_list_~start~0#1;parse_expression_list_~start~0#1 := 1 + parse_expression_list_#t~post11#1;havoc parse_expression_list_#t~post11#1; 1374#L68-2 parse_expression_list_~j~0#1 := parse_expression_list_~i~0#1 - 1; 1362#L70-8 [2023-11-19 07:57:55,265 INFO L750 eck$LassoCheckResult]: Loop: 1362#L70-8 parse_expression_list_#t~short15#1 := 0 < parse_expression_list_~j~0#1; 1378#L70-1 assume !parse_expression_list_#t~short15#1; 1361#L70-6 assume !!parse_expression_list_#t~short15#1;havoc parse_expression_list_#t~mem12#1;havoc parse_expression_list_#t~mem13#1;havoc parse_expression_list_#t~short14#1;havoc parse_expression_list_#t~short15#1;parse_expression_list_#t~post16#1 := parse_expression_list_~j~0#1;parse_expression_list_~j~0#1 := parse_expression_list_#t~post16#1 - 1;havoc parse_expression_list_#t~post16#1; 1362#L70-8 [2023-11-19 07:57:55,266 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:57:55,266 INFO L85 PathProgramCache]: Analyzing trace with hash 2040510030, now seen corresponding path program 1 times [2023-11-19 07:57:55,266 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:57:55,267 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1544116907] [2023-11-19 07:57:55,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:57:55,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:57:55,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:55,634 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2023-11-19 07:57:55,634 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:57:55,634 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1544116907] [2023-11-19 07:57:55,635 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1544116907] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:57:55,635 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:57:55,635 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-19 07:57:55,635 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [158738272] [2023-11-19 07:57:55,635 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:57:55,636 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-19 07:57:55,637 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:57:55,637 INFO L85 PathProgramCache]: Analyzing trace with hash 89761, now seen corresponding path program 1 times [2023-11-19 07:57:55,637 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:57:55,637 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1029810901] [2023-11-19 07:57:55,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:57:55,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:57:55,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:55,640 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Forceful destruction successful, exit code 0 [2023-11-19 07:57:55,651 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:57:55,651 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:57:55,652 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1029810901] [2023-11-19 07:57:55,652 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1029810901] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:57:55,652 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:57:55,652 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:57:55,652 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [159000917] [2023-11-19 07:57:55,652 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:57:55,653 INFO L765 eck$LassoCheckResult]: loop already infeasible [2023-11-19 07:57:55,653 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:57:55,653 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:57:55,653 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:57:55,654 INFO L87 Difference]: Start difference. First operand 88 states and 119 transitions. cyclomatic complexity: 38 Second operand has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:57:55,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:57:55,670 INFO L93 Difference]: Finished difference Result 90 states and 120 transitions. [2023-11-19 07:57:55,670 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 90 states and 120 transitions. [2023-11-19 07:57:55,671 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2023-11-19 07:57:55,672 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 90 states to 89 states and 119 transitions. [2023-11-19 07:57:55,672 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 28 [2023-11-19 07:57:55,673 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 28 [2023-11-19 07:57:55,673 INFO L73 IsDeterministic]: Start isDeterministic. Operand 89 states and 119 transitions. [2023-11-19 07:57:55,673 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-19 07:57:55,673 INFO L218 hiAutomatonCegarLoop]: Abstraction has 89 states and 119 transitions. [2023-11-19 07:57:55,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states and 119 transitions. [2023-11-19 07:57:55,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 89. [2023-11-19 07:57:55,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89 states, 89 states have (on average 1.3370786516853932) internal successors, (119), 88 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:57:55,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 119 transitions. [2023-11-19 07:57:55,687 INFO L240 hiAutomatonCegarLoop]: Abstraction has 89 states and 119 transitions. [2023-11-19 07:57:55,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:57:55,691 INFO L428 stractBuchiCegarLoop]: Abstraction has 89 states and 119 transitions. [2023-11-19 07:57:55,691 INFO L335 stractBuchiCegarLoop]: ======== Iteration 9 ============ [2023-11-19 07:57:55,692 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 89 states and 119 transitions. [2023-11-19 07:57:55,692 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2023-11-19 07:57:55,693 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 07:57:55,693 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 07:57:55,694 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:57:55,694 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2023-11-19 07:57:55,694 INFO L748 eck$LassoCheckResult]: Stem: 1595#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(43, 2); 1560#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet22#1, main_#t~post21#1, main_~i~1#1, main_#t~ret23#1, main_~#A~0#1.base, main_~#A~0#1.offset;call main_~#A~0#1.base, main_~#A~0#1.offset := #Ultimate.allocOnStack(9);main_~i~1#1 := 0; 1561#L87-3 assume !!(main_~i~1#1 < 7);havoc main_#t~nondet22#1;call write~int(main_#t~nondet22#1, main_~#A~0#1.base, main_~#A~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet22#1; 1547#L87-2 main_#t~post21#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post21#1;havoc main_#t~post21#1; 1548#L87-3 assume !!(main_~i~1#1 < 7);havoc main_#t~nondet22#1;call write~int(main_#t~nondet22#1, main_~#A~0#1.base, main_~#A~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet22#1; 1587#L87-2 main_#t~post21#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post21#1;havoc main_#t~post21#1; 1614#L87-3 assume !!(main_~i~1#1 < 7);havoc main_#t~nondet22#1;call write~int(main_#t~nondet22#1, main_~#A~0#1.base, main_~#A~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet22#1; 1612#L87-2 main_#t~post21#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post21#1;havoc main_#t~post21#1; 1611#L87-3 assume !!(main_~i~1#1 < 7);havoc main_#t~nondet22#1;call write~int(main_#t~nondet22#1, main_~#A~0#1.base, main_~#A~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet22#1; 1609#L87-2 main_#t~post21#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post21#1;havoc main_#t~post21#1; 1606#L87-3 assume !!(main_~i~1#1 < 7);havoc main_#t~nondet22#1;call write~int(main_#t~nondet22#1, main_~#A~0#1.base, main_~#A~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet22#1; 1604#L87-2 main_#t~post21#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post21#1;havoc main_#t~post21#1; 1602#L87-3 assume !!(main_~i~1#1 < 7);havoc main_#t~nondet22#1;call write~int(main_#t~nondet22#1, main_~#A~0#1.base, main_~#A~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet22#1; 1601#L87-2 main_#t~post21#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post21#1;havoc main_#t~post21#1; 1600#L87-3 assume !!(main_~i~1#1 < 7);havoc main_#t~nondet22#1;call write~int(main_#t~nondet22#1, main_~#A~0#1.base, main_~#A~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet22#1; 1599#L87-2 main_#t~post21#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post21#1;havoc main_#t~post21#1; 1598#L87-3 assume !(main_~i~1#1 < 7); 1596#L87-4 havoc main_~i~1#1;call write~int(0, main_~#A~0#1.base, 8 + main_~#A~0#1.offset, 1);assume { :begin_inline_parse_expression_list } true;parse_expression_list_#in~str#1.base, parse_expression_list_#in~str#1.offset := main_~#A~0#1.base, main_~#A~0#1.offset;havoc parse_expression_list_#res#1;havoc parse_expression_list_#t~post3#1, parse_expression_list_#t~mem4#1, parse_expression_list_#t~switch5#1, parse_expression_list_#t~post9#1, parse_expression_list_#t~mem6#1, parse_expression_list_#t~mem7#1, parse_expression_list_#t~short8#1, parse_expression_list_#t~mem10#1, parse_expression_list_#t~post11#1, parse_expression_list_#t~post16#1, parse_expression_list_#t~mem12#1, parse_expression_list_#t~mem13#1, parse_expression_list_#t~short14#1, parse_expression_list_#t~short15#1, parse_expression_list_#t~mem17#1, parse_expression_list_#t~short18#1, parse_expression_list_#t~post19#1, parse_expression_list_#t~ret20#1.base, parse_expression_list_#t~ret20#1.offset, parse_expression_list_#t~mem2#1, parse_expression_list_~str#1.base, parse_expression_list_~str#1.offset, parse_expression_list_~start~0#1, parse_expression_list_~i~0#1, parse_expression_list_~j~0#1, parse_expression_list_~#str2~0#1.base, parse_expression_list_~#str2~0#1.offset;parse_expression_list_~str#1.base, parse_expression_list_~str#1.offset := parse_expression_list_#in~str#1.base, parse_expression_list_#in~str#1.offset;parse_expression_list_~start~0#1 := 0;parse_expression_list_~i~0#1 := -1;parse_expression_list_~j~0#1 := -1;call parse_expression_list_~#str2~0#1.base, parse_expression_list_~#str2~0#1.offset := #Ultimate.allocOnStack(2); 1594#L62 assume !(parse_expression_list_~str#1.base == 0 && parse_expression_list_~str#1.offset == 0); 1569#L63-4 parse_expression_list_#t~post3#1 := parse_expression_list_~i~0#1;parse_expression_list_~i~0#1 := 1 + parse_expression_list_#t~post3#1;havoc parse_expression_list_#t~post3#1;call parse_expression_list_#t~mem4#1 := read~int(parse_expression_list_~str#1.base, parse_expression_list_~str#1.offset + parse_expression_list_~i~0#1, 1);parse_expression_list_#t~switch5#1 := 0 == parse_expression_list_#t~mem4#1; 1570#L66 assume parse_expression_list_#t~switch5#1; 1621#L67-5 call parse_expression_list_#t~mem6#1 := read~int(parse_expression_list_~str#1.base, parse_expression_list_~str#1.offset + parse_expression_list_~start~0#1, 1);parse_expression_list_#t~short8#1 := 32 == parse_expression_list_#t~mem6#1; 1620#L67-1 assume !parse_expression_list_#t~short8#1;call parse_expression_list_#t~mem7#1 := read~int(parse_expression_list_~str#1.base, parse_expression_list_~str#1.offset + parse_expression_list_~start~0#1, 1);parse_expression_list_#t~short8#1 := 9 == parse_expression_list_#t~mem7#1; 1619#L67-3 assume !parse_expression_list_#t~short8#1;havoc parse_expression_list_#t~mem6#1;havoc parse_expression_list_#t~mem7#1;havoc parse_expression_list_#t~short8#1; 1618#L67-6 call parse_expression_list_#t~mem10#1 := read~int(parse_expression_list_~str#1.base, parse_expression_list_~str#1.offset + parse_expression_list_~start~0#1, 1); 1589#L68 assume !(34 == parse_expression_list_#t~mem10#1);havoc parse_expression_list_#t~mem10#1; 1562#L68-2 parse_expression_list_~j~0#1 := parse_expression_list_~i~0#1 - 1; 1552#L70-8 [2023-11-19 07:57:55,694 INFO L750 eck$LassoCheckResult]: Loop: 1552#L70-8 parse_expression_list_#t~short15#1 := 0 < parse_expression_list_~j~0#1; 1567#L70-1 assume parse_expression_list_#t~short15#1;call parse_expression_list_#t~mem12#1 := read~int(parse_expression_list_~str#1.base, parse_expression_list_~str#1.offset + parse_expression_list_~j~0#1, 1);parse_expression_list_#t~short14#1 := 32 == parse_expression_list_#t~mem12#1; 1592#L70-2 assume parse_expression_list_#t~short14#1; 1581#L70-4 parse_expression_list_#t~short15#1 := parse_expression_list_#t~short14#1; 1551#L70-6 assume !!parse_expression_list_#t~short15#1;havoc parse_expression_list_#t~mem12#1;havoc parse_expression_list_#t~mem13#1;havoc parse_expression_list_#t~short14#1;havoc parse_expression_list_#t~short15#1;parse_expression_list_#t~post16#1 := parse_expression_list_~j~0#1;parse_expression_list_~j~0#1 := parse_expression_list_#t~post16#1 - 1;havoc parse_expression_list_#t~post16#1; 1552#L70-8 [2023-11-19 07:57:55,695 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:57:55,695 INFO L85 PathProgramCache]: Analyzing trace with hash 2040510092, now seen corresponding path program 1 times [2023-11-19 07:57:55,695 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:57:55,695 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1597773401] [2023-11-19 07:57:55,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:57:55,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:57:55,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:57:55,719 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:57:55,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:57:55,745 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:57:55,746 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:57:55,746 INFO L85 PathProgramCache]: Analyzing trace with hash 85982918, now seen corresponding path program 1 times [2023-11-19 07:57:55,746 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:57:55,746 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [671253829] [2023-11-19 07:57:55,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:57:55,747 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:57:55,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:57:55,750 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:57:55,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:57:55,758 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:57:55,758 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:57:55,759 INFO L85 PathProgramCache]: Analyzing trace with hash 907257627, now seen corresponding path program 1 times [2023-11-19 07:57:55,759 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:57:55,759 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1041494076] [2023-11-19 07:57:55,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:57:55,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:57:55,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:55,910 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2023-11-19 07:57:55,911 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:57:55,911 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1041494076] [2023-11-19 07:57:55,911 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1041494076] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:57:55,911 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:57:55,912 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-19 07:57:55,912 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [214761780] [2023-11-19 07:57:55,912 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:57:55,999 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:57:56,000 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-19 07:57:56,000 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-19 07:57:56,000 INFO L87 Difference]: Start difference. First operand 89 states and 119 transitions. cyclomatic complexity: 37 Second operand has 6 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 6 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:57:56,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:57:56,089 INFO L93 Difference]: Finished difference Result 139 states and 178 transitions. [2023-11-19 07:57:56,089 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 139 states and 178 transitions. [2023-11-19 07:57:56,090 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 11 [2023-11-19 07:57:56,091 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 139 states to 127 states and 165 transitions. [2023-11-19 07:57:56,092 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 30 [2023-11-19 07:57:56,093 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 30 [2023-11-19 07:57:56,093 INFO L73 IsDeterministic]: Start isDeterministic. Operand 127 states and 165 transitions. [2023-11-19 07:57:56,096 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-19 07:57:56,096 INFO L218 hiAutomatonCegarLoop]: Abstraction has 127 states and 165 transitions. [2023-11-19 07:57:56,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states and 165 transitions. [2023-11-19 07:57:56,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 93. [2023-11-19 07:57:56,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 93 states have (on average 1.3010752688172043) internal successors, (121), 92 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:57:56,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 121 transitions. [2023-11-19 07:57:56,106 INFO L240 hiAutomatonCegarLoop]: Abstraction has 93 states and 121 transitions. [2023-11-19 07:57:56,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-19 07:57:56,107 INFO L428 stractBuchiCegarLoop]: Abstraction has 93 states and 121 transitions. [2023-11-19 07:57:56,108 INFO L335 stractBuchiCegarLoop]: ======== Iteration 10 ============ [2023-11-19 07:57:56,108 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 93 states and 121 transitions. [2023-11-19 07:57:56,109 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2023-11-19 07:57:56,109 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 07:57:56,109 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 07:57:56,110 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [7, 7, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:57:56,111 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2023-11-19 07:57:56,112 INFO L748 eck$LassoCheckResult]: Stem: 1837#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(43, 2); 1802#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet22#1, main_#t~post21#1, main_~i~1#1, main_#t~ret23#1, main_~#A~0#1.base, main_~#A~0#1.offset;call main_~#A~0#1.base, main_~#A~0#1.offset := #Ultimate.allocOnStack(9);main_~i~1#1 := 0; 1803#L87-3 assume !!(main_~i~1#1 < 7);havoc main_#t~nondet22#1;call write~int(main_#t~nondet22#1, main_~#A~0#1.base, main_~#A~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet22#1; 1792#L87-2 main_#t~post21#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post21#1;havoc main_#t~post21#1; 1793#L87-3 assume !!(main_~i~1#1 < 7);havoc main_#t~nondet22#1;call write~int(main_#t~nondet22#1, main_~#A~0#1.base, main_~#A~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet22#1; 1829#L87-2 main_#t~post21#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post21#1;havoc main_#t~post21#1; 1852#L87-3 assume !!(main_~i~1#1 < 7);havoc main_#t~nondet22#1;call write~int(main_#t~nondet22#1, main_~#A~0#1.base, main_~#A~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet22#1; 1851#L87-2 main_#t~post21#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post21#1;havoc main_#t~post21#1; 1850#L87-3 assume !!(main_~i~1#1 < 7);havoc main_#t~nondet22#1;call write~int(main_#t~nondet22#1, main_~#A~0#1.base, main_~#A~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet22#1; 1849#L87-2 main_#t~post21#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post21#1;havoc main_#t~post21#1; 1848#L87-3 assume !!(main_~i~1#1 < 7);havoc main_#t~nondet22#1;call write~int(main_#t~nondet22#1, main_~#A~0#1.base, main_~#A~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet22#1; 1847#L87-2 main_#t~post21#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post21#1;havoc main_#t~post21#1; 1846#L87-3 assume !!(main_~i~1#1 < 7);havoc main_#t~nondet22#1;call write~int(main_#t~nondet22#1, main_~#A~0#1.base, main_~#A~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet22#1; 1845#L87-2 main_#t~post21#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post21#1;havoc main_#t~post21#1; 1844#L87-3 assume !!(main_~i~1#1 < 7);havoc main_#t~nondet22#1;call write~int(main_#t~nondet22#1, main_~#A~0#1.base, main_~#A~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet22#1; 1841#L87-2 main_#t~post21#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post21#1;havoc main_#t~post21#1; 1840#L87-3 assume !(main_~i~1#1 < 7); 1838#L87-4 havoc main_~i~1#1;call write~int(0, main_~#A~0#1.base, 8 + main_~#A~0#1.offset, 1);assume { :begin_inline_parse_expression_list } true;parse_expression_list_#in~str#1.base, parse_expression_list_#in~str#1.offset := main_~#A~0#1.base, main_~#A~0#1.offset;havoc parse_expression_list_#res#1;havoc parse_expression_list_#t~post3#1, parse_expression_list_#t~mem4#1, parse_expression_list_#t~switch5#1, parse_expression_list_#t~post9#1, parse_expression_list_#t~mem6#1, parse_expression_list_#t~mem7#1, parse_expression_list_#t~short8#1, parse_expression_list_#t~mem10#1, parse_expression_list_#t~post11#1, parse_expression_list_#t~post16#1, parse_expression_list_#t~mem12#1, parse_expression_list_#t~mem13#1, parse_expression_list_#t~short14#1, parse_expression_list_#t~short15#1, parse_expression_list_#t~mem17#1, parse_expression_list_#t~short18#1, parse_expression_list_#t~post19#1, parse_expression_list_#t~ret20#1.base, parse_expression_list_#t~ret20#1.offset, parse_expression_list_#t~mem2#1, parse_expression_list_~str#1.base, parse_expression_list_~str#1.offset, parse_expression_list_~start~0#1, parse_expression_list_~i~0#1, parse_expression_list_~j~0#1, parse_expression_list_~#str2~0#1.base, parse_expression_list_~#str2~0#1.offset;parse_expression_list_~str#1.base, parse_expression_list_~str#1.offset := parse_expression_list_#in~str#1.base, parse_expression_list_#in~str#1.offset;parse_expression_list_~start~0#1 := 0;parse_expression_list_~i~0#1 := -1;parse_expression_list_~j~0#1 := -1;call parse_expression_list_~#str2~0#1.base, parse_expression_list_~#str2~0#1.offset := #Ultimate.allocOnStack(2); 1836#L62 assume !(parse_expression_list_~str#1.base == 0 && parse_expression_list_~str#1.offset == 0); 1811#L63-4 parse_expression_list_#t~post3#1 := parse_expression_list_~i~0#1;parse_expression_list_~i~0#1 := 1 + parse_expression_list_#t~post3#1;havoc parse_expression_list_#t~post3#1;call parse_expression_list_#t~mem4#1 := read~int(parse_expression_list_~str#1.base, parse_expression_list_~str#1.offset + parse_expression_list_~i~0#1, 1);parse_expression_list_#t~switch5#1 := 0 == parse_expression_list_#t~mem4#1; 1812#L66 assume !parse_expression_list_#t~switch5#1; 1861#L65 havoc parse_expression_list_#t~mem4#1;havoc parse_expression_list_#t~switch5#1; 1870#L63-1 call parse_expression_list_#t~mem2#1 := read~int(parse_expression_list_~str#1.base, parse_expression_list_~str#1.offset + parse_expression_list_~i~0#1, 1); 1866#L63-2 assume !!(0 != parse_expression_list_#t~mem2#1);havoc parse_expression_list_#t~mem2#1; 1865#L63-4 parse_expression_list_#t~post3#1 := parse_expression_list_~i~0#1;parse_expression_list_~i~0#1 := 1 + parse_expression_list_#t~post3#1;havoc parse_expression_list_#t~post3#1;call parse_expression_list_#t~mem4#1 := read~int(parse_expression_list_~str#1.base, parse_expression_list_~str#1.offset + parse_expression_list_~i~0#1, 1);parse_expression_list_#t~switch5#1 := 0 == parse_expression_list_#t~mem4#1; 1860#L66 assume parse_expression_list_#t~switch5#1; 1862#L67-5 call parse_expression_list_#t~mem6#1 := read~int(parse_expression_list_~str#1.base, parse_expression_list_~str#1.offset + parse_expression_list_~start~0#1, 1);parse_expression_list_#t~short8#1 := 32 == parse_expression_list_#t~mem6#1; 1877#L67-1 assume !parse_expression_list_#t~short8#1;call parse_expression_list_#t~mem7#1 := read~int(parse_expression_list_~str#1.base, parse_expression_list_~str#1.offset + parse_expression_list_~start~0#1, 1);parse_expression_list_#t~short8#1 := 9 == parse_expression_list_#t~mem7#1; 1818#L67-3 assume !parse_expression_list_#t~short8#1;havoc parse_expression_list_#t~mem6#1;havoc parse_expression_list_#t~mem7#1;havoc parse_expression_list_#t~short8#1; 1819#L67-6 call parse_expression_list_#t~mem10#1 := read~int(parse_expression_list_~str#1.base, parse_expression_list_~str#1.offset + parse_expression_list_~start~0#1, 1); 1826#L68 assume !(34 == parse_expression_list_#t~mem10#1);havoc parse_expression_list_#t~mem10#1; 1804#L68-2 parse_expression_list_~j~0#1 := parse_expression_list_~i~0#1 - 1; 1797#L70-8 [2023-11-19 07:57:56,112 INFO L750 eck$LassoCheckResult]: Loop: 1797#L70-8 parse_expression_list_#t~short15#1 := 0 < parse_expression_list_~j~0#1; 1809#L70-1 assume parse_expression_list_#t~short15#1;call parse_expression_list_#t~mem12#1 := read~int(parse_expression_list_~str#1.base, parse_expression_list_~str#1.offset + parse_expression_list_~j~0#1, 1);parse_expression_list_#t~short14#1 := 32 == parse_expression_list_#t~mem12#1; 1834#L70-2 assume parse_expression_list_#t~short14#1; 1823#L70-4 parse_expression_list_#t~short15#1 := parse_expression_list_#t~short14#1; 1796#L70-6 assume !!parse_expression_list_#t~short15#1;havoc parse_expression_list_#t~mem12#1;havoc parse_expression_list_#t~mem13#1;havoc parse_expression_list_#t~short14#1;havoc parse_expression_list_#t~short15#1;parse_expression_list_#t~post16#1 := parse_expression_list_~j~0#1;parse_expression_list_~j~0#1 := parse_expression_list_#t~post16#1 - 1;havoc parse_expression_list_#t~post16#1; 1797#L70-8 [2023-11-19 07:57:56,112 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:57:56,113 INFO L85 PathProgramCache]: Analyzing trace with hash -719184140, now seen corresponding path program 1 times [2023-11-19 07:57:56,113 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:57:56,113 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1573929511] [2023-11-19 07:57:56,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:57:56,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:57:56,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:57:56,160 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:57:56,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:57:56,202 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:57:56,203 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:57:56,203 INFO L85 PathProgramCache]: Analyzing trace with hash 85982918, now seen corresponding path program 2 times [2023-11-19 07:57:56,203 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:57:56,203 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1824219514] [2023-11-19 07:57:56,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:57:56,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:57:56,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:57:56,208 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:57:56,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:57:56,212 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:57:56,213 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:57:56,213 INFO L85 PathProgramCache]: Analyzing trace with hash -448118861, now seen corresponding path program 1 times [2023-11-19 07:57:56,213 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:57:56,213 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [190520312] [2023-11-19 07:57:56,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:57:56,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:57:56,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:56,363 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2023-11-19 07:57:56,363 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:57:56,363 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [190520312] [2023-11-19 07:57:56,363 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [190520312] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 07:57:56,363 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1739752581] [2023-11-19 07:57:56,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:57:56,364 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:57:56,364 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:57:56,365 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:57:56,381 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (63)] Waiting until timeout for monitored process [2023-11-19 07:57:56,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:56,472 INFO L262 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 07:57:56,474 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:57:56,506 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2023-11-19 07:57:56,507 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 07:57:56,554 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2023-11-19 07:57:56,554 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1739752581] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 07:57:56,554 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-19 07:57:56,555 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 7 [2023-11-19 07:57:56,555 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [766286522] [2023-11-19 07:57:56,555 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-19 07:57:56,643 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:57:56,644 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-19 07:57:56,644 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-11-19 07:57:56,644 INFO L87 Difference]: Start difference. First operand 93 states and 121 transitions. cyclomatic complexity: 35 Second operand has 7 states, 7 states have (on average 3.5714285714285716) internal successors, (25), 7 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:57:56,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:57:56,782 INFO L93 Difference]: Finished difference Result 181 states and 239 transitions. [2023-11-19 07:57:56,782 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 181 states and 239 transitions. [2023-11-19 07:57:56,787 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 14 [2023-11-19 07:57:56,789 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 181 states to 166 states and 217 transitions. [2023-11-19 07:57:56,789 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 33 [2023-11-19 07:57:56,789 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 33 [2023-11-19 07:57:56,789 INFO L73 IsDeterministic]: Start isDeterministic. Operand 166 states and 217 transitions. [2023-11-19 07:57:56,792 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-19 07:57:56,792 INFO L218 hiAutomatonCegarLoop]: Abstraction has 166 states and 217 transitions. [2023-11-19 07:57:56,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states and 217 transitions. [2023-11-19 07:57:56,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 132. [2023-11-19 07:57:56,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 132 states, 132 states have (on average 1.3106060606060606) internal successors, (173), 131 states have internal predecessors, (173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:57:56,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 173 transitions. [2023-11-19 07:57:56,822 INFO L240 hiAutomatonCegarLoop]: Abstraction has 132 states and 173 transitions. [2023-11-19 07:57:56,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-19 07:57:56,823 INFO L428 stractBuchiCegarLoop]: Abstraction has 132 states and 173 transitions. [2023-11-19 07:57:56,823 INFO L335 stractBuchiCegarLoop]: ======== Iteration 11 ============ [2023-11-19 07:57:56,824 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 132 states and 173 transitions. [2023-11-19 07:57:56,825 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 11 [2023-11-19 07:57:56,825 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 07:57:56,825 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 07:57:56,826 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [7, 7, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:57:56,826 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2023-11-19 07:57:56,826 INFO L748 eck$LassoCheckResult]: Stem: 2349#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(43, 2); 2315#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet22#1, main_#t~post21#1, main_~i~1#1, main_#t~ret23#1, main_~#A~0#1.base, main_~#A~0#1.offset;call main_~#A~0#1.base, main_~#A~0#1.offset := #Ultimate.allocOnStack(9);main_~i~1#1 := 0; 2316#L87-3 assume !!(main_~i~1#1 < 7);havoc main_#t~nondet22#1;call write~int(main_#t~nondet22#1, main_~#A~0#1.base, main_~#A~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet22#1; 2304#L87-2 main_#t~post21#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post21#1;havoc main_#t~post21#1; 2305#L87-3 assume !!(main_~i~1#1 < 7);havoc main_#t~nondet22#1;call write~int(main_#t~nondet22#1, main_~#A~0#1.base, main_~#A~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet22#1; 2341#L87-2 main_#t~post21#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post21#1;havoc main_#t~post21#1; 2367#L87-3 assume !!(main_~i~1#1 < 7);havoc main_#t~nondet22#1;call write~int(main_#t~nondet22#1, main_~#A~0#1.base, main_~#A~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet22#1; 2366#L87-2 main_#t~post21#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post21#1;havoc main_#t~post21#1; 2365#L87-3 assume !!(main_~i~1#1 < 7);havoc main_#t~nondet22#1;call write~int(main_#t~nondet22#1, main_~#A~0#1.base, main_~#A~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet22#1; 2364#L87-2 main_#t~post21#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post21#1;havoc main_#t~post21#1; 2363#L87-3 assume !!(main_~i~1#1 < 7);havoc main_#t~nondet22#1;call write~int(main_#t~nondet22#1, main_~#A~0#1.base, main_~#A~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet22#1; 2362#L87-2 main_#t~post21#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post21#1;havoc main_#t~post21#1; 2361#L87-3 assume !!(main_~i~1#1 < 7);havoc main_#t~nondet22#1;call write~int(main_#t~nondet22#1, main_~#A~0#1.base, main_~#A~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet22#1; 2360#L87-2 main_#t~post21#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post21#1;havoc main_#t~post21#1; 2359#L87-3 assume !!(main_~i~1#1 < 7);havoc main_#t~nondet22#1;call write~int(main_#t~nondet22#1, main_~#A~0#1.base, main_~#A~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet22#1; 2355#L87-2 main_#t~post21#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post21#1;havoc main_#t~post21#1; 2354#L87-3 assume !(main_~i~1#1 < 7); 2351#L87-4 havoc main_~i~1#1;call write~int(0, main_~#A~0#1.base, 8 + main_~#A~0#1.offset, 1);assume { :begin_inline_parse_expression_list } true;parse_expression_list_#in~str#1.base, parse_expression_list_#in~str#1.offset := main_~#A~0#1.base, main_~#A~0#1.offset;havoc parse_expression_list_#res#1;havoc parse_expression_list_#t~post3#1, parse_expression_list_#t~mem4#1, parse_expression_list_#t~switch5#1, parse_expression_list_#t~post9#1, parse_expression_list_#t~mem6#1, parse_expression_list_#t~mem7#1, parse_expression_list_#t~short8#1, parse_expression_list_#t~mem10#1, parse_expression_list_#t~post11#1, parse_expression_list_#t~post16#1, parse_expression_list_#t~mem12#1, parse_expression_list_#t~mem13#1, parse_expression_list_#t~short14#1, parse_expression_list_#t~short15#1, parse_expression_list_#t~mem17#1, parse_expression_list_#t~short18#1, parse_expression_list_#t~post19#1, parse_expression_list_#t~ret20#1.base, parse_expression_list_#t~ret20#1.offset, parse_expression_list_#t~mem2#1, parse_expression_list_~str#1.base, parse_expression_list_~str#1.offset, parse_expression_list_~start~0#1, parse_expression_list_~i~0#1, parse_expression_list_~j~0#1, parse_expression_list_~#str2~0#1.base, parse_expression_list_~#str2~0#1.offset;parse_expression_list_~str#1.base, parse_expression_list_~str#1.offset := parse_expression_list_#in~str#1.base, parse_expression_list_#in~str#1.offset;parse_expression_list_~start~0#1 := 0;parse_expression_list_~i~0#1 := -1;parse_expression_list_~j~0#1 := -1;call parse_expression_list_~#str2~0#1.base, parse_expression_list_~#str2~0#1.offset := #Ultimate.allocOnStack(2); 2348#L62 assume !(parse_expression_list_~str#1.base == 0 && parse_expression_list_~str#1.offset == 0); 2324#L63-4 parse_expression_list_#t~post3#1 := parse_expression_list_~i~0#1;parse_expression_list_~i~0#1 := 1 + parse_expression_list_#t~post3#1;havoc parse_expression_list_#t~post3#1;call parse_expression_list_#t~mem4#1 := read~int(parse_expression_list_~str#1.base, parse_expression_list_~str#1.offset + parse_expression_list_~i~0#1, 1);parse_expression_list_#t~switch5#1 := 0 == parse_expression_list_#t~mem4#1; 2325#L66 assume !parse_expression_list_#t~switch5#1; 2403#L65 havoc parse_expression_list_#t~mem4#1;havoc parse_expression_list_#t~switch5#1; 2401#L63-1 call parse_expression_list_#t~mem2#1 := read~int(parse_expression_list_~str#1.base, parse_expression_list_~str#1.offset + parse_expression_list_~i~0#1, 1); 2400#L63-2 assume !!(0 != parse_expression_list_#t~mem2#1);havoc parse_expression_list_#t~mem2#1; 2399#L63-4 parse_expression_list_#t~post3#1 := parse_expression_list_~i~0#1;parse_expression_list_~i~0#1 := 1 + parse_expression_list_#t~post3#1;havoc parse_expression_list_#t~post3#1;call parse_expression_list_#t~mem4#1 := read~int(parse_expression_list_~str#1.base, parse_expression_list_~str#1.offset + parse_expression_list_~i~0#1, 1);parse_expression_list_#t~switch5#1 := 0 == parse_expression_list_#t~mem4#1; 2396#L66 assume !parse_expression_list_#t~switch5#1; 2387#L65 havoc parse_expression_list_#t~mem4#1;havoc parse_expression_list_#t~switch5#1; 2392#L63-1 call parse_expression_list_#t~mem2#1 := read~int(parse_expression_list_~str#1.base, parse_expression_list_~str#1.offset + parse_expression_list_~i~0#1, 1); 2391#L63-2 assume !!(0 != parse_expression_list_#t~mem2#1);havoc parse_expression_list_#t~mem2#1; 2390#L63-4 parse_expression_list_#t~post3#1 := parse_expression_list_~i~0#1;parse_expression_list_~i~0#1 := 1 + parse_expression_list_#t~post3#1;havoc parse_expression_list_#t~post3#1;call parse_expression_list_#t~mem4#1 := read~int(parse_expression_list_~str#1.base, parse_expression_list_~str#1.offset + parse_expression_list_~i~0#1, 1);parse_expression_list_#t~switch5#1 := 0 == parse_expression_list_#t~mem4#1; 2386#L66 assume parse_expression_list_#t~switch5#1; 2385#L67-5 call parse_expression_list_#t~mem6#1 := read~int(parse_expression_list_~str#1.base, parse_expression_list_~str#1.offset + parse_expression_list_~start~0#1, 1);parse_expression_list_#t~short8#1 := 32 == parse_expression_list_#t~mem6#1; 2384#L67-1 assume !parse_expression_list_#t~short8#1;call parse_expression_list_#t~mem7#1 := read~int(parse_expression_list_~str#1.base, parse_expression_list_~str#1.offset + parse_expression_list_~start~0#1, 1);parse_expression_list_#t~short8#1 := 9 == parse_expression_list_#t~mem7#1; 2394#L67-3 assume !parse_expression_list_#t~short8#1;havoc parse_expression_list_#t~mem6#1;havoc parse_expression_list_#t~mem7#1;havoc parse_expression_list_#t~short8#1; 2393#L67-6 call parse_expression_list_#t~mem10#1 := read~int(parse_expression_list_~str#1.base, parse_expression_list_~str#1.offset + parse_expression_list_~start~0#1, 1); 2343#L68 assume !(34 == parse_expression_list_#t~mem10#1);havoc parse_expression_list_#t~mem10#1; 2317#L68-2 parse_expression_list_~j~0#1 := parse_expression_list_~i~0#1 - 1; 2309#L70-8 [2023-11-19 07:57:56,827 INFO L750 eck$LassoCheckResult]: Loop: 2309#L70-8 parse_expression_list_#t~short15#1 := 0 < parse_expression_list_~j~0#1; 2322#L70-1 assume parse_expression_list_#t~short15#1;call parse_expression_list_#t~mem12#1 := read~int(parse_expression_list_~str#1.base, parse_expression_list_~str#1.offset + parse_expression_list_~j~0#1, 1);parse_expression_list_#t~short14#1 := 32 == parse_expression_list_#t~mem12#1; 2346#L70-2 assume parse_expression_list_#t~short14#1; 2334#L70-4 parse_expression_list_#t~short15#1 := parse_expression_list_#t~short14#1; 2308#L70-6 assume !!parse_expression_list_#t~short15#1;havoc parse_expression_list_#t~mem12#1;havoc parse_expression_list_#t~mem13#1;havoc parse_expression_list_#t~short14#1;havoc parse_expression_list_#t~short15#1;parse_expression_list_#t~post16#1 := parse_expression_list_~j~0#1;parse_expression_list_~j~0#1 := parse_expression_list_#t~post16#1 - 1;havoc parse_expression_list_#t~post16#1; 2309#L70-8 [2023-11-19 07:57:56,827 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:57:56,827 INFO L85 PathProgramCache]: Analyzing trace with hash -2074560628, now seen corresponding path program 2 times [2023-11-19 07:57:56,827 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:57:56,828 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [289194268] [2023-11-19 07:57:56,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:57:56,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:57:56,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:57:56,859 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:57:56,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:57:56,899 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:57:56,899 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:57:56,900 INFO L85 PathProgramCache]: Analyzing trace with hash 85982918, now seen corresponding path program 3 times [2023-11-19 07:57:56,904 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:57:56,904 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [256986712] [2023-11-19 07:57:56,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:57:56,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:57:56,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:57:56,910 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:57:56,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:57:56,916 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:57:56,917 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:57:56,917 INFO L85 PathProgramCache]: Analyzing trace with hash -1412217317, now seen corresponding path program 2 times [2023-11-19 07:57:56,917 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:57:56,917 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1144465240] [2023-11-19 07:57:56,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:57:56,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:57:56,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:57:56,952 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:57:56,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:57:56,994 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:58:03,698 WARN L293 SmtUtils]: Spent 6.60s on a formula simplification. DAG size of input: 285 DAG size of output: 207 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-19 07:58:04,267 INFO L210 LassoAnalysis]: Preferences: [2023-11-19 07:58:04,267 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-19 07:58:04,267 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-19 07:58:04,267 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-19 07:58:04,267 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-19 07:58:04,267 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:58:04,267 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-19 07:58:04,268 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-19 07:58:04,268 INFO L133 ssoRankerPreferences]: Filename of dumped script: verisec_OpenSER_cases1_stripFullBoth_arr.i_Iteration11_Lasso [2023-11-19 07:58:04,268 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-19 07:58:04,268 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-19 07:58:04,274 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:58:04,280 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:58:04,282 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:58:04,285 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:58:04,288 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:58:04,291 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:58:04,294 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:58:04,297 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:58:04,299 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:58:04,302 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:58:04,304 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:58:04,307 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:58:04,309 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:58:04,312 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:58:05,736 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:58:05,739 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:58:05,741 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:58:05,745 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:58:05,747 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:58:05,750 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:58:05,752 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:58:05,755 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:58:05,758 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:58:05,761 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:58:05,763 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:58:05,767 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:58:05,769 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:58:05,772 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:58:05,774 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:58:05,777 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:58:06,357 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-19 07:58:06,357 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-19 07:58:06,357 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:58:06,357 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:58:06,358 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:58:06,366 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:58:06,373 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Waiting until timeout for monitored process [2023-11-19 07:58:06,377 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:58:06,377 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:58:06,378 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:58:06,378 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:58:06,378 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:58:06,378 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:58:06,378 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:58:06,380 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:58:06,392 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Ended with exit code 0 [2023-11-19 07:58:06,392 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:58:06,392 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:58:06,393 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:58:06,394 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Waiting until timeout for monitored process [2023-11-19 07:58:06,395 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:58:06,404 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:58:06,405 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:58:06,405 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:58:06,405 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:58:06,405 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:58:06,405 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:58:06,405 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:58:06,407 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:58:06,419 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Ended with exit code 0 [2023-11-19 07:58:06,420 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:58:06,420 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:58:06,421 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:58:06,424 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Waiting until timeout for monitored process [2023-11-19 07:58:06,424 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:58:06,437 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:58:06,437 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:58:06,437 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:58:06,437 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:58:06,437 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:58:06,438 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:58:06,438 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:58:06,461 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:58:06,482 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Forceful destruction successful, exit code 0 [2023-11-19 07:58:06,482 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:58:06,482 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:58:06,483 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:58:06,491 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:58:06,504 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:58:06,504 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:58:06,504 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:58:06,504 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:58:06,504 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:58:06,505 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Waiting until timeout for monitored process [2023-11-19 07:58:06,505 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:58:06,505 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:58:06,520 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:58:06,532 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Forceful destruction successful, exit code 0 [2023-11-19 07:58:06,532 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:58:06,532 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:58:06,533 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:58:06,534 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Waiting until timeout for monitored process [2023-11-19 07:58:06,535 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:58:06,545 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:58:06,545 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:58:06,545 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:58:06,545 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:58:06,546 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:58:06,546 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:58:06,550 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:58:06,563 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Ended with exit code 0 [2023-11-19 07:58:06,563 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:58:06,563 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:58:06,564 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:58:06,565 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Waiting until timeout for monitored process [2023-11-19 07:58:06,566 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:58:06,576 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:58:06,576 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:58:06,576 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:58:06,576 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:58:06,576 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:58:06,577 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:58:06,577 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:58:06,578 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:58:06,589 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Ended with exit code 0 [2023-11-19 07:58:06,589 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:58:06,589 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:58:06,590 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:58:06,591 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Waiting until timeout for monitored process [2023-11-19 07:58:06,593 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:58:06,603 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:58:06,603 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:58:06,604 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:58:06,604 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:58:06,605 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:58:06,605 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:58:06,608 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:58:06,620 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Ended with exit code 0 [2023-11-19 07:58:06,621 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:58:06,621 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:58:06,622 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:58:06,622 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Waiting until timeout for monitored process [2023-11-19 07:58:06,623 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:58:06,633 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:58:06,633 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:58:06,633 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:58:06,634 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:58:06,634 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:58:06,634 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:58:06,634 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:58:06,636 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:58:06,653 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Ended with exit code 0 [2023-11-19 07:58:06,654 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:58:06,654 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:58:06,655 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:58:06,655 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Waiting until timeout for monitored process [2023-11-19 07:58:06,656 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:58:06,666 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:58:06,666 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:58:06,666 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:58:06,666 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:58:06,666 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:58:06,667 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:58:06,667 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:58:06,668 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:58:06,679 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Ended with exit code 0 [2023-11-19 07:58:06,679 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:58:06,680 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:58:06,680 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:58:06,686 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:58:06,693 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Waiting until timeout for monitored process [2023-11-19 07:58:06,697 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:58:06,697 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:58:06,697 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:58:06,697 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:58:06,697 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:58:06,698 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:58:06,698 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:58:06,699 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:58:06,711 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Ended with exit code 0 [2023-11-19 07:58:06,711 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:58:06,711 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:58:06,712 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:58:06,713 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Waiting until timeout for monitored process [2023-11-19 07:58:06,714 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:58:06,724 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:58:06,724 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:58:06,724 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:58:06,724 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:58:06,725 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:58:06,725 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:58:06,728 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:58:06,740 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Ended with exit code 0 [2023-11-19 07:58:06,740 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:58:06,740 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:58:06,741 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:58:06,742 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Waiting until timeout for monitored process [2023-11-19 07:58:06,743 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:58:06,752 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:58:06,752 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:58:06,753 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:58:06,753 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:58:06,753 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:58:06,753 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:58:06,753 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:58:06,754 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:58:06,765 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Ended with exit code 0 [2023-11-19 07:58:06,766 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:58:06,766 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:58:06,767 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:58:06,768 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Waiting until timeout for monitored process [2023-11-19 07:58:06,768 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:58:06,778 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:58:06,778 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:58:06,778 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:58:06,778 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:58:06,778 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:58:06,779 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:58:06,779 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:58:06,780 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:58:06,792 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Ended with exit code 0 [2023-11-19 07:58:06,792 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:58:06,792 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:58:06,793 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:58:06,794 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Waiting until timeout for monitored process [2023-11-19 07:58:06,794 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:58:06,804 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:58:06,804 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:58:06,804 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:58:06,804 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:58:06,804 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:58:06,805 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:58:06,805 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:58:06,806 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:58:06,819 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Forceful destruction successful, exit code 0 [2023-11-19 07:58:06,819 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:58:06,819 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:58:06,820 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:58:06,821 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Waiting until timeout for monitored process [2023-11-19 07:58:06,822 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:58:06,832 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:58:06,832 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:58:06,832 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:58:06,832 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:58:06,833 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:58:06,833 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:58:06,837 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:58:06,848 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Forceful destruction successful, exit code 0 [2023-11-19 07:58:06,848 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:58:06,849 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:58:06,849 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:58:06,850 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Waiting until timeout for monitored process [2023-11-19 07:58:06,851 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:58:06,860 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:58:06,861 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:58:06,861 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:58:06,861 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:58:06,862 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:58:06,862 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:58:06,865 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:58:06,879 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Forceful destruction successful, exit code 0 [2023-11-19 07:58:06,879 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:58:06,879 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:58:06,880 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:58:06,881 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Waiting until timeout for monitored process [2023-11-19 07:58:06,881 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:58:06,891 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:58:06,891 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:58:06,891 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:58:06,891 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:58:06,893 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:58:06,893 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:58:06,897 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:58:06,911 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Ended with exit code 0 [2023-11-19 07:58:06,911 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:58:06,911 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:58:06,912 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:58:06,913 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Waiting until timeout for monitored process [2023-11-19 07:58:06,914 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:58:06,924 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:58:06,924 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:58:06,925 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:58:06,925 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:58:06,926 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:58:06,926 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:58:06,931 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:58:06,944 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Ended with exit code 0 [2023-11-19 07:58:06,944 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:58:06,944 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:58:06,945 INFO L229 MonitoredProcess]: Starting monitored process 82 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:58:06,946 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Waiting until timeout for monitored process [2023-11-19 07:58:06,946 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:58:06,956 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:58:06,957 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:58:06,957 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:58:06,957 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:58:06,962 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:58:06,962 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:58:06,975 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-19 07:58:07,015 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2023-11-19 07:58:07,015 INFO L444 ModelExtractionUtils]: 3 out of 19 variables were initially zero. Simplification set additionally 14 variables to zero. [2023-11-19 07:58:07,015 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:58:07,015 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:58:07,016 INFO L229 MonitoredProcess]: Starting monitored process 83 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:58:07,017 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Waiting until timeout for monitored process [2023-11-19 07:58:07,018 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-19 07:58:07,028 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-11-19 07:58:07,029 INFO L513 LassoAnalysis]: Proved termination. [2023-11-19 07:58:07,029 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_parse_expression_list_~j~0#1) = 1*ULTIMATE.start_parse_expression_list_~j~0#1 Supporting invariants [] [2023-11-19 07:58:07,043 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Ended with exit code 0 [2023-11-19 07:58:07,218 INFO L156 tatePredicateManager]: 38 out of 38 supporting invariants were superfluous and have been removed [2023-11-19 07:58:07,228 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:58:07,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:58:07,274 INFO L262 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 07:58:07,276 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:58:07,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:58:07,348 INFO L262 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 07:58:07,349 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:58:07,404 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:58:07,405 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2023-11-19 07:58:07,405 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 132 states and 173 transitions. cyclomatic complexity: 51 Second operand has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:58:07,532 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 132 states and 173 transitions. cyclomatic complexity: 51. Second operand has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 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 287 states and 382 transitions. Complement of second has 11 states. [2023-11-19 07:58:07,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 1 stem states 4 non-accepting loop states 1 accepting loop states [2023-11-19 07:58:07,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:58:07,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 80 transitions. [2023-11-19 07:58:07,534 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 80 transitions. Stem has 37 letters. Loop has 5 letters. [2023-11-19 07:58:07,535 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 07:58:07,535 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 80 transitions. Stem has 42 letters. Loop has 5 letters. [2023-11-19 07:58:07,535 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 07:58:07,535 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 80 transitions. Stem has 37 letters. Loop has 10 letters. [2023-11-19 07:58:07,536 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 07:58:07,536 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 287 states and 382 transitions. [2023-11-19 07:58:07,538 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 17 [2023-11-19 07:58:07,540 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 287 states to 190 states and 250 transitions. [2023-11-19 07:58:07,540 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 32 [2023-11-19 07:58:07,540 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 32 [2023-11-19 07:58:07,541 INFO L73 IsDeterministic]: Start isDeterministic. Operand 190 states and 250 transitions. [2023-11-19 07:58:07,541 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-19 07:58:07,541 INFO L218 hiAutomatonCegarLoop]: Abstraction has 190 states and 250 transitions. [2023-11-19 07:58:07,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 190 states and 250 transitions. [2023-11-19 07:58:07,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 190 to 138. [2023-11-19 07:58:07,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 138 states, 138 states have (on average 1.3043478260869565) internal successors, (180), 137 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:58:07,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 180 transitions. [2023-11-19 07:58:07,545 INFO L240 hiAutomatonCegarLoop]: Abstraction has 138 states and 180 transitions. [2023-11-19 07:58:07,545 INFO L428 stractBuchiCegarLoop]: Abstraction has 138 states and 180 transitions. [2023-11-19 07:58:07,545 INFO L335 stractBuchiCegarLoop]: ======== Iteration 12 ============ [2023-11-19 07:58:07,545 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 138 states and 180 transitions. [2023-11-19 07:58:07,546 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 11 [2023-11-19 07:58:07,546 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 07:58:07,546 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 07:58:07,547 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [7, 7, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:58:07,547 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-19 07:58:07,547 INFO L748 eck$LassoCheckResult]: Stem: 3076#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(43, 2); 3043#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet22#1, main_#t~post21#1, main_~i~1#1, main_#t~ret23#1, main_~#A~0#1.base, main_~#A~0#1.offset;call main_~#A~0#1.base, main_~#A~0#1.offset := #Ultimate.allocOnStack(9);main_~i~1#1 := 0; 3044#L87-3 assume !!(main_~i~1#1 < 7);havoc main_#t~nondet22#1;call write~int(main_#t~nondet22#1, main_~#A~0#1.base, main_~#A~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet22#1; 3033#L87-2 main_#t~post21#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post21#1;havoc main_#t~post21#1; 3034#L87-3 assume !!(main_~i~1#1 < 7);havoc main_#t~nondet22#1;call write~int(main_#t~nondet22#1, main_~#A~0#1.base, main_~#A~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet22#1; 3071#L87-2 main_#t~post21#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post21#1;havoc main_#t~post21#1; 3090#L87-3 assume !!(main_~i~1#1 < 7);havoc main_#t~nondet22#1;call write~int(main_#t~nondet22#1, main_~#A~0#1.base, main_~#A~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet22#1; 3089#L87-2 main_#t~post21#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post21#1;havoc main_#t~post21#1; 3088#L87-3 assume !!(main_~i~1#1 < 7);havoc main_#t~nondet22#1;call write~int(main_#t~nondet22#1, main_~#A~0#1.base, main_~#A~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet22#1; 3087#L87-2 main_#t~post21#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post21#1;havoc main_#t~post21#1; 3086#L87-3 assume !!(main_~i~1#1 < 7);havoc main_#t~nondet22#1;call write~int(main_#t~nondet22#1, main_~#A~0#1.base, main_~#A~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet22#1; 3085#L87-2 main_#t~post21#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post21#1;havoc main_#t~post21#1; 3084#L87-3 assume !!(main_~i~1#1 < 7);havoc main_#t~nondet22#1;call write~int(main_#t~nondet22#1, main_~#A~0#1.base, main_~#A~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet22#1; 3083#L87-2 main_#t~post21#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post21#1;havoc main_#t~post21#1; 3082#L87-3 assume !!(main_~i~1#1 < 7);havoc main_#t~nondet22#1;call write~int(main_#t~nondet22#1, main_~#A~0#1.base, main_~#A~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet22#1; 3081#L87-2 main_#t~post21#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post21#1;havoc main_#t~post21#1; 3080#L87-3 assume !(main_~i~1#1 < 7); 3077#L87-4 havoc main_~i~1#1;call write~int(0, main_~#A~0#1.base, 8 + main_~#A~0#1.offset, 1);assume { :begin_inline_parse_expression_list } true;parse_expression_list_#in~str#1.base, parse_expression_list_#in~str#1.offset := main_~#A~0#1.base, main_~#A~0#1.offset;havoc parse_expression_list_#res#1;havoc parse_expression_list_#t~post3#1, parse_expression_list_#t~mem4#1, parse_expression_list_#t~switch5#1, parse_expression_list_#t~post9#1, parse_expression_list_#t~mem6#1, parse_expression_list_#t~mem7#1, parse_expression_list_#t~short8#1, parse_expression_list_#t~mem10#1, parse_expression_list_#t~post11#1, parse_expression_list_#t~post16#1, parse_expression_list_#t~mem12#1, parse_expression_list_#t~mem13#1, parse_expression_list_#t~short14#1, parse_expression_list_#t~short15#1, parse_expression_list_#t~mem17#1, parse_expression_list_#t~short18#1, parse_expression_list_#t~post19#1, parse_expression_list_#t~ret20#1.base, parse_expression_list_#t~ret20#1.offset, parse_expression_list_#t~mem2#1, parse_expression_list_~str#1.base, parse_expression_list_~str#1.offset, parse_expression_list_~start~0#1, parse_expression_list_~i~0#1, parse_expression_list_~j~0#1, parse_expression_list_~#str2~0#1.base, parse_expression_list_~#str2~0#1.offset;parse_expression_list_~str#1.base, parse_expression_list_~str#1.offset := parse_expression_list_#in~str#1.base, parse_expression_list_#in~str#1.offset;parse_expression_list_~start~0#1 := 0;parse_expression_list_~i~0#1 := -1;parse_expression_list_~j~0#1 := -1;call parse_expression_list_~#str2~0#1.base, parse_expression_list_~#str2~0#1.offset := #Ultimate.allocOnStack(2); 3075#L62 assume !(parse_expression_list_~str#1.base == 0 && parse_expression_list_~str#1.offset == 0); 3052#L63-4 parse_expression_list_#t~post3#1 := parse_expression_list_~i~0#1;parse_expression_list_~i~0#1 := 1 + parse_expression_list_#t~post3#1;havoc parse_expression_list_#t~post3#1;call parse_expression_list_#t~mem4#1 := read~int(parse_expression_list_~str#1.base, parse_expression_list_~str#1.offset + parse_expression_list_~i~0#1, 1);parse_expression_list_#t~switch5#1 := 0 == parse_expression_list_#t~mem4#1; 3053#L66 assume parse_expression_list_#t~switch5#1; 3143#L67-5 call parse_expression_list_#t~mem6#1 := read~int(parse_expression_list_~str#1.base, parse_expression_list_~str#1.offset + parse_expression_list_~start~0#1, 1);parse_expression_list_#t~short8#1 := 32 == parse_expression_list_#t~mem6#1; 3141#L67-1 assume !parse_expression_list_#t~short8#1;call parse_expression_list_#t~mem7#1 := read~int(parse_expression_list_~str#1.base, parse_expression_list_~str#1.offset + parse_expression_list_~start~0#1, 1);parse_expression_list_#t~short8#1 := 9 == parse_expression_list_#t~mem7#1; 3139#L67-3 assume !parse_expression_list_#t~short8#1;havoc parse_expression_list_#t~mem6#1;havoc parse_expression_list_#t~mem7#1;havoc parse_expression_list_#t~short8#1; 3137#L67-6 call parse_expression_list_#t~mem10#1 := read~int(parse_expression_list_~str#1.base, parse_expression_list_~str#1.offset + parse_expression_list_~start~0#1, 1); 3135#L68 assume 34 == parse_expression_list_#t~mem10#1;havoc parse_expression_list_#t~mem10#1;parse_expression_list_#t~post11#1 := parse_expression_list_~start~0#1;parse_expression_list_~start~0#1 := 1 + parse_expression_list_#t~post11#1;havoc parse_expression_list_#t~post11#1; 3134#L68-2 parse_expression_list_~j~0#1 := parse_expression_list_~i~0#1 - 1; 3133#L70-8 parse_expression_list_#t~short15#1 := 0 < parse_expression_list_~j~0#1; 3132#L70-1 assume !parse_expression_list_#t~short15#1; 3131#L70-6 assume !parse_expression_list_#t~short15#1;havoc parse_expression_list_#t~mem12#1;havoc parse_expression_list_#t~mem13#1;havoc parse_expression_list_#t~short14#1;havoc parse_expression_list_#t~short15#1; 3130#L70-9 parse_expression_list_#t~short18#1 := 0 < parse_expression_list_~j~0#1; 3129#L71 assume !parse_expression_list_#t~short18#1; 3128#L71-2 assume !parse_expression_list_#t~short18#1;havoc parse_expression_list_#t~mem17#1;havoc parse_expression_list_#t~short18#1; 3127#L71-4 assume parse_expression_list_~start~0#1 <= parse_expression_list_~j~0#1;assume { :begin_inline_r_strncpy } true;r_strncpy_#in~dest#1.base, r_strncpy_#in~dest#1.offset, r_strncpy_#in~src#1.base, r_strncpy_#in~src#1.offset, r_strncpy_#in~n#1 := parse_expression_list_~#str2~0#1.base, parse_expression_list_~#str2~0#1.offset, parse_expression_list_~str#1.base, parse_expression_list_~str#1.offset + parse_expression_list_~start~0#1, 1 + (parse_expression_list_~j~0#1 - parse_expression_list_~start~0#1);havoc r_strncpy_#res#1.base, r_strncpy_#res#1.offset;havoc r_strncpy_#t~ret1#1.base, r_strncpy_#t~ret1#1.offset, r_strncpy_~dest#1.base, r_strncpy_~dest#1.offset, r_strncpy_~src#1.base, r_strncpy_~src#1.offset, r_strncpy_~n#1;r_strncpy_~dest#1.base, r_strncpy_~dest#1.offset := r_strncpy_#in~dest#1.base, r_strncpy_#in~dest#1.offset;r_strncpy_~src#1.base, r_strncpy_~src#1.offset := r_strncpy_#in~src#1.base, r_strncpy_#in~src#1.offset;r_strncpy_~n#1 := r_strncpy_#in~n#1;call r_strncpy_#t~ret1#1.base, r_strncpy_#t~ret1#1.offset := strncpy(r_strncpy_~dest#1.base, r_strncpy_~dest#1.offset, r_strncpy_~src#1.base, r_strncpy_~src#1.offset, r_strncpy_~n#1);r_strncpy_#res#1.base, r_strncpy_#res#1.offset := r_strncpy_#t~ret1#1.base, r_strncpy_#t~ret1#1.offset;havoc r_strncpy_#t~ret1#1.base, r_strncpy_#t~ret1#1.offset; 3126#r_strncpy_returnLabel#1 parse_expression_list_#t~ret20#1.base, parse_expression_list_#t~ret20#1.offset := r_strncpy_#res#1.base, r_strncpy_#res#1.offset;havoc r_strncpy_#t~ret1#1.base, r_strncpy_#t~ret1#1.offset, r_strncpy_~dest#1.base, r_strncpy_~dest#1.offset, r_strncpy_~src#1.base, r_strncpy_~src#1.offset, r_strncpy_~n#1;havoc r_strncpy_#in~dest#1.base, r_strncpy_#in~dest#1.offset, r_strncpy_#in~src#1.base, r_strncpy_#in~src#1.offset, r_strncpy_#in~n#1;assume { :end_inline_r_strncpy } true;havoc parse_expression_list_#t~ret20#1.base, parse_expression_list_#t~ret20#1.offset;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if 1 + (parse_expression_list_~j~0#1 - parse_expression_list_~start~0#1) < 2 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 3125#L15 assume !(0 == __VERIFIER_assert_~cond#1); 3124#L15-2 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;call write~int(0, parse_expression_list_~#str2~0#1.base, parse_expression_list_~#str2~0#1.offset + (1 + (parse_expression_list_~j~0#1 - parse_expression_list_~start~0#1)), 1); 3123#L72 parse_expression_list_~start~0#1 := 1 + parse_expression_list_~i~0#1; 3122#L65 havoc parse_expression_list_#t~mem4#1;havoc parse_expression_list_#t~switch5#1; 3121#L63-1 call parse_expression_list_#t~mem2#1 := read~int(parse_expression_list_~str#1.base, parse_expression_list_~str#1.offset + parse_expression_list_~i~0#1, 1); 3120#L63-2 assume !!(0 != parse_expression_list_#t~mem2#1);havoc parse_expression_list_#t~mem2#1; 3119#L63-4 parse_expression_list_#t~post3#1 := parse_expression_list_~i~0#1;parse_expression_list_~i~0#1 := 1 + parse_expression_list_#t~post3#1;havoc parse_expression_list_#t~post3#1;call parse_expression_list_#t~mem4#1 := read~int(parse_expression_list_~str#1.base, parse_expression_list_~str#1.offset + parse_expression_list_~i~0#1, 1);parse_expression_list_#t~switch5#1 := 0 == parse_expression_list_#t~mem4#1; 3117#L66 assume parse_expression_list_#t~switch5#1; 3039#L67-5 [2023-11-19 07:58:07,548 INFO L750 eck$LassoCheckResult]: Loop: 3039#L67-5 call parse_expression_list_#t~mem6#1 := read~int(parse_expression_list_~str#1.base, parse_expression_list_~str#1.offset + parse_expression_list_~start~0#1, 1);parse_expression_list_#t~short8#1 := 32 == parse_expression_list_#t~mem6#1; 3040#L67-1 assume parse_expression_list_#t~short8#1; 3063#L67-3 assume !!parse_expression_list_#t~short8#1;havoc parse_expression_list_#t~mem6#1;havoc parse_expression_list_#t~mem7#1;havoc parse_expression_list_#t~short8#1;parse_expression_list_#t~post9#1 := parse_expression_list_~start~0#1;parse_expression_list_~start~0#1 := 1 + parse_expression_list_#t~post9#1;havoc parse_expression_list_#t~post9#1; 3039#L67-5 [2023-11-19 07:58:07,548 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:58:07,548 INFO L85 PathProgramCache]: Analyzing trace with hash -1942624905, now seen corresponding path program 1 times [2023-11-19 07:58:07,548 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:58:07,548 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [530632242] [2023-11-19 07:58:07,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:58:07,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:58:07,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:58:07,701 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2023-11-19 07:58:07,701 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:58:07,702 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [530632242] [2023-11-19 07:58:07,702 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [530632242] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:58:07,702 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:58:07,702 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-19 07:58:07,702 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1694840610] [2023-11-19 07:58:07,702 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:58:07,705 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-19 07:58:07,705 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:58:07,706 INFO L85 PathProgramCache]: Analyzing trace with hash 62664, now seen corresponding path program 3 times [2023-11-19 07:58:07,706 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:58:07,706 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [588577844] [2023-11-19 07:58:07,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:58:07,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:58:07,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:58:07,713 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:58:07,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:58:07,717 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:58:07,778 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:58:07,778 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-19 07:58:07,778 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-19 07:58:07,779 INFO L87 Difference]: Start difference. First operand 138 states and 180 transitions. cyclomatic complexity: 52 Second operand has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 6 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:58:07,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:58:07,872 INFO L93 Difference]: Finished difference Result 150 states and 193 transitions. [2023-11-19 07:58:07,872 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 150 states and 193 transitions. [2023-11-19 07:58:07,873 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 11 [2023-11-19 07:58:07,874 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 150 states to 138 states and 179 transitions. [2023-11-19 07:58:07,875 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 20 [2023-11-19 07:58:07,875 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 20 [2023-11-19 07:58:07,875 INFO L73 IsDeterministic]: Start isDeterministic. Operand 138 states and 179 transitions. [2023-11-19 07:58:07,875 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-19 07:58:07,875 INFO L218 hiAutomatonCegarLoop]: Abstraction has 138 states and 179 transitions. [2023-11-19 07:58:07,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states and 179 transitions. [2023-11-19 07:58:07,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 134. [2023-11-19 07:58:07,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 134 states, 134 states have (on average 1.3059701492537314) internal successors, (175), 133 states have internal predecessors, (175), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:58:07,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 175 transitions. [2023-11-19 07:58:07,879 INFO L240 hiAutomatonCegarLoop]: Abstraction has 134 states and 175 transitions. [2023-11-19 07:58:07,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-19 07:58:07,880 INFO L428 stractBuchiCegarLoop]: Abstraction has 134 states and 175 transitions. [2023-11-19 07:58:07,880 INFO L335 stractBuchiCegarLoop]: ======== Iteration 13 ============ [2023-11-19 07:58:07,880 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 134 states and 175 transitions. [2023-11-19 07:58:07,881 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 11 [2023-11-19 07:58:07,881 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 07:58:07,881 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 07:58:07,882 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [7, 7, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:58:07,882 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-19 07:58:07,882 INFO L748 eck$LassoCheckResult]: Stem: 3380#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(43, 2); 3342#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet22#1, main_#t~post21#1, main_~i~1#1, main_#t~ret23#1, main_~#A~0#1.base, main_~#A~0#1.offset;call main_~#A~0#1.base, main_~#A~0#1.offset := #Ultimate.allocOnStack(9);main_~i~1#1 := 0; 3343#L87-3 assume !!(main_~i~1#1 < 7);havoc main_#t~nondet22#1;call write~int(main_#t~nondet22#1, main_~#A~0#1.base, main_~#A~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet22#1; 3330#L87-2 main_#t~post21#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post21#1;havoc main_#t~post21#1; 3331#L87-3 assume !!(main_~i~1#1 < 7);havoc main_#t~nondet22#1;call write~int(main_#t~nondet22#1, main_~#A~0#1.base, main_~#A~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet22#1; 3369#L87-2 main_#t~post21#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post21#1;havoc main_#t~post21#1; 3453#L87-3 assume !!(main_~i~1#1 < 7);havoc main_#t~nondet22#1;call write~int(main_#t~nondet22#1, main_~#A~0#1.base, main_~#A~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet22#1; 3450#L87-2 main_#t~post21#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post21#1;havoc main_#t~post21#1; 3426#L87-3 assume !!(main_~i~1#1 < 7);havoc main_#t~nondet22#1;call write~int(main_#t~nondet22#1, main_~#A~0#1.base, main_~#A~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet22#1; 3423#L87-2 main_#t~post21#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post21#1;havoc main_#t~post21#1; 3421#L87-3 assume !!(main_~i~1#1 < 7);havoc main_#t~nondet22#1;call write~int(main_#t~nondet22#1, main_~#A~0#1.base, main_~#A~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet22#1; 3417#L87-2 main_#t~post21#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post21#1;havoc main_#t~post21#1; 3412#L87-3 assume !!(main_~i~1#1 < 7);havoc main_#t~nondet22#1;call write~int(main_#t~nondet22#1, main_~#A~0#1.base, main_~#A~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet22#1; 3408#L87-2 main_#t~post21#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post21#1;havoc main_#t~post21#1; 3387#L87-3 assume !!(main_~i~1#1 < 7);havoc main_#t~nondet22#1;call write~int(main_#t~nondet22#1, main_~#A~0#1.base, main_~#A~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet22#1; 3384#L87-2 main_#t~post21#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post21#1;havoc main_#t~post21#1; 3383#L87-3 assume !(main_~i~1#1 < 7); 3381#L87-4 havoc main_~i~1#1;call write~int(0, main_~#A~0#1.base, 8 + main_~#A~0#1.offset, 1);assume { :begin_inline_parse_expression_list } true;parse_expression_list_#in~str#1.base, parse_expression_list_#in~str#1.offset := main_~#A~0#1.base, main_~#A~0#1.offset;havoc parse_expression_list_#res#1;havoc parse_expression_list_#t~post3#1, parse_expression_list_#t~mem4#1, parse_expression_list_#t~switch5#1, parse_expression_list_#t~post9#1, parse_expression_list_#t~mem6#1, parse_expression_list_#t~mem7#1, parse_expression_list_#t~short8#1, parse_expression_list_#t~mem10#1, parse_expression_list_#t~post11#1, parse_expression_list_#t~post16#1, parse_expression_list_#t~mem12#1, parse_expression_list_#t~mem13#1, parse_expression_list_#t~short14#1, parse_expression_list_#t~short15#1, parse_expression_list_#t~mem17#1, parse_expression_list_#t~short18#1, parse_expression_list_#t~post19#1, parse_expression_list_#t~ret20#1.base, parse_expression_list_#t~ret20#1.offset, parse_expression_list_#t~mem2#1, parse_expression_list_~str#1.base, parse_expression_list_~str#1.offset, parse_expression_list_~start~0#1, parse_expression_list_~i~0#1, parse_expression_list_~j~0#1, parse_expression_list_~#str2~0#1.base, parse_expression_list_~#str2~0#1.offset;parse_expression_list_~str#1.base, parse_expression_list_~str#1.offset := parse_expression_list_#in~str#1.base, parse_expression_list_#in~str#1.offset;parse_expression_list_~start~0#1 := 0;parse_expression_list_~i~0#1 := -1;parse_expression_list_~j~0#1 := -1;call parse_expression_list_~#str2~0#1.base, parse_expression_list_~#str2~0#1.offset := #Ultimate.allocOnStack(2); 3379#L62 assume !(parse_expression_list_~str#1.base == 0 && parse_expression_list_~str#1.offset == 0); 3351#L63-4 parse_expression_list_#t~post3#1 := parse_expression_list_~i~0#1;parse_expression_list_~i~0#1 := 1 + parse_expression_list_#t~post3#1;havoc parse_expression_list_#t~post3#1;call parse_expression_list_#t~mem4#1 := read~int(parse_expression_list_~str#1.base, parse_expression_list_~str#1.offset + parse_expression_list_~i~0#1, 1);parse_expression_list_#t~switch5#1 := 0 == parse_expression_list_#t~mem4#1; 3327#L66 assume parse_expression_list_#t~switch5#1; 3329#L67-5 call parse_expression_list_#t~mem6#1 := read~int(parse_expression_list_~str#1.base, parse_expression_list_~str#1.offset + parse_expression_list_~start~0#1, 1);parse_expression_list_#t~short8#1 := 32 == parse_expression_list_#t~mem6#1; 3373#L67-1 assume !parse_expression_list_#t~short8#1;call parse_expression_list_#t~mem7#1 := read~int(parse_expression_list_~str#1.base, parse_expression_list_~str#1.offset + parse_expression_list_~start~0#1, 1);parse_expression_list_#t~short8#1 := 9 == parse_expression_list_#t~mem7#1; 3374#L67-3 assume !parse_expression_list_#t~short8#1;havoc parse_expression_list_#t~mem6#1;havoc parse_expression_list_#t~mem7#1;havoc parse_expression_list_#t~short8#1; 3446#L67-6 call parse_expression_list_#t~mem10#1 := read~int(parse_expression_list_~str#1.base, parse_expression_list_~str#1.offset + parse_expression_list_~start~0#1, 1); 3445#L68 assume !(34 == parse_expression_list_#t~mem10#1);havoc parse_expression_list_#t~mem10#1; 3444#L68-2 parse_expression_list_~j~0#1 := parse_expression_list_~i~0#1 - 1; 3442#L70-8 parse_expression_list_#t~short15#1 := 0 < parse_expression_list_~j~0#1; 3439#L70-1 assume !parse_expression_list_#t~short15#1; 3437#L70-6 assume !parse_expression_list_#t~short15#1;havoc parse_expression_list_#t~mem12#1;havoc parse_expression_list_#t~mem13#1;havoc parse_expression_list_#t~short14#1;havoc parse_expression_list_#t~short15#1; 3435#L70-9 parse_expression_list_#t~short18#1 := 0 < parse_expression_list_~j~0#1; 3434#L71 assume !parse_expression_list_#t~short18#1; 3433#L71-2 assume !parse_expression_list_#t~short18#1;havoc parse_expression_list_#t~mem17#1;havoc parse_expression_list_#t~short18#1; 3356#L71-4 assume parse_expression_list_~start~0#1 <= parse_expression_list_~j~0#1;assume { :begin_inline_r_strncpy } true;r_strncpy_#in~dest#1.base, r_strncpy_#in~dest#1.offset, r_strncpy_#in~src#1.base, r_strncpy_#in~src#1.offset, r_strncpy_#in~n#1 := parse_expression_list_~#str2~0#1.base, parse_expression_list_~#str2~0#1.offset, parse_expression_list_~str#1.base, parse_expression_list_~str#1.offset + parse_expression_list_~start~0#1, 1 + (parse_expression_list_~j~0#1 - parse_expression_list_~start~0#1);havoc r_strncpy_#res#1.base, r_strncpy_#res#1.offset;havoc r_strncpy_#t~ret1#1.base, r_strncpy_#t~ret1#1.offset, r_strncpy_~dest#1.base, r_strncpy_~dest#1.offset, r_strncpy_~src#1.base, r_strncpy_~src#1.offset, r_strncpy_~n#1;r_strncpy_~dest#1.base, r_strncpy_~dest#1.offset := r_strncpy_#in~dest#1.base, r_strncpy_#in~dest#1.offset;r_strncpy_~src#1.base, r_strncpy_~src#1.offset := r_strncpy_#in~src#1.base, r_strncpy_#in~src#1.offset;r_strncpy_~n#1 := r_strncpy_#in~n#1;call r_strncpy_#t~ret1#1.base, r_strncpy_#t~ret1#1.offset := strncpy(r_strncpy_~dest#1.base, r_strncpy_~dest#1.offset, r_strncpy_~src#1.base, r_strncpy_~src#1.offset, r_strncpy_~n#1);r_strncpy_#res#1.base, r_strncpy_#res#1.offset := r_strncpy_#t~ret1#1.base, r_strncpy_#t~ret1#1.offset;havoc r_strncpy_#t~ret1#1.base, r_strncpy_#t~ret1#1.offset; 3357#r_strncpy_returnLabel#1 parse_expression_list_#t~ret20#1.base, parse_expression_list_#t~ret20#1.offset := r_strncpy_#res#1.base, r_strncpy_#res#1.offset;havoc r_strncpy_#t~ret1#1.base, r_strncpy_#t~ret1#1.offset, r_strncpy_~dest#1.base, r_strncpy_~dest#1.offset, r_strncpy_~src#1.base, r_strncpy_~src#1.offset, r_strncpy_~n#1;havoc r_strncpy_#in~dest#1.base, r_strncpy_#in~dest#1.offset, r_strncpy_#in~src#1.base, r_strncpy_#in~src#1.offset, r_strncpy_#in~n#1;assume { :end_inline_r_strncpy } true;havoc parse_expression_list_#t~ret20#1.base, parse_expression_list_#t~ret20#1.offset;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if 1 + (parse_expression_list_~j~0#1 - parse_expression_list_~start~0#1) < 2 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 3370#L15 assume !(0 == __VERIFIER_assert_~cond#1); 3371#L15-2 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;call write~int(0, parse_expression_list_~#str2~0#1.base, parse_expression_list_~#str2~0#1.offset + (1 + (parse_expression_list_~j~0#1 - parse_expression_list_~start~0#1)), 1); 3422#L72 parse_expression_list_~start~0#1 := 1 + parse_expression_list_~i~0#1; 3420#L65 havoc parse_expression_list_#t~mem4#1;havoc parse_expression_list_#t~switch5#1; 3416#L63-1 call parse_expression_list_#t~mem2#1 := read~int(parse_expression_list_~str#1.base, parse_expression_list_~str#1.offset + parse_expression_list_~i~0#1, 1); 3411#L63-2 assume !!(0 != parse_expression_list_#t~mem2#1);havoc parse_expression_list_#t~mem2#1; 3407#L63-4 parse_expression_list_#t~post3#1 := parse_expression_list_~i~0#1;parse_expression_list_~i~0#1 := 1 + parse_expression_list_#t~post3#1;havoc parse_expression_list_#t~post3#1;call parse_expression_list_#t~mem4#1 := read~int(parse_expression_list_~str#1.base, parse_expression_list_~str#1.offset + parse_expression_list_~i~0#1, 1);parse_expression_list_#t~switch5#1 := 0 == parse_expression_list_#t~mem4#1; 3405#L66 assume parse_expression_list_#t~switch5#1; 3359#L67-5 [2023-11-19 07:58:07,882 INFO L750 eck$LassoCheckResult]: Loop: 3359#L67-5 call parse_expression_list_#t~mem6#1 := read~int(parse_expression_list_~str#1.base, parse_expression_list_~str#1.offset + parse_expression_list_~start~0#1, 1);parse_expression_list_#t~short8#1 := 32 == parse_expression_list_#t~mem6#1; 3372#L67-1 assume parse_expression_list_#t~short8#1; 3358#L67-3 assume !!parse_expression_list_#t~short8#1;havoc parse_expression_list_#t~mem6#1;havoc parse_expression_list_#t~mem7#1;havoc parse_expression_list_#t~short8#1;parse_expression_list_#t~post9#1 := parse_expression_list_~start~0#1;parse_expression_list_~start~0#1 := 1 + parse_expression_list_#t~post9#1;havoc parse_expression_list_#t~post9#1; 3359#L67-5 [2023-11-19 07:58:07,882 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:58:07,883 INFO L85 PathProgramCache]: Analyzing trace with hash 358197685, now seen corresponding path program 1 times [2023-11-19 07:58:07,883 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:58:07,883 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1342763023] [2023-11-19 07:58:07,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:58:07,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:58:07,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:58:07,984 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2023-11-19 07:58:07,984 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:58:07,984 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1342763023] [2023-11-19 07:58:07,985 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1342763023] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:58:07,985 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:58:07,985 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 07:58:07,985 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1901046564] [2023-11-19 07:58:07,985 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:58:07,986 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-19 07:58:07,986 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:58:07,986 INFO L85 PathProgramCache]: Analyzing trace with hash 62664, now seen corresponding path program 4 times [2023-11-19 07:58:07,986 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:58:07,986 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1915079012] [2023-11-19 07:58:07,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:58:07,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:58:07,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:58:07,990 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:58:07,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:58:07,993 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:58:08,052 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:58:08,053 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 07:58:08,053 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-19 07:58:08,053 INFO L87 Difference]: Start difference. First operand 134 states and 175 transitions. cyclomatic complexity: 51 Second operand has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:58:08,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:58:08,139 INFO L93 Difference]: Finished difference Result 137 states and 179 transitions. [2023-11-19 07:58:08,139 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 137 states and 179 transitions. [2023-11-19 07:58:08,140 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2023-11-19 07:58:08,141 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 137 states to 124 states and 164 transitions. [2023-11-19 07:58:08,141 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17 [2023-11-19 07:58:08,141 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17 [2023-11-19 07:58:08,141 INFO L73 IsDeterministic]: Start isDeterministic. Operand 124 states and 164 transitions. [2023-11-19 07:58:08,142 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-19 07:58:08,142 INFO L218 hiAutomatonCegarLoop]: Abstraction has 124 states and 164 transitions. [2023-11-19 07:58:08,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states and 164 transitions. [2023-11-19 07:58:08,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 104. [2023-11-19 07:58:08,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 104 states have (on average 1.3076923076923077) internal successors, (136), 103 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:58:08,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 136 transitions. [2023-11-19 07:58:08,144 INFO L240 hiAutomatonCegarLoop]: Abstraction has 104 states and 136 transitions. [2023-11-19 07:58:08,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-19 07:58:08,146 INFO L428 stractBuchiCegarLoop]: Abstraction has 104 states and 136 transitions. [2023-11-19 07:58:08,146 INFO L335 stractBuchiCegarLoop]: ======== Iteration 14 ============ [2023-11-19 07:58:08,146 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 104 states and 136 transitions. [2023-11-19 07:58:08,147 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2023-11-19 07:58:08,148 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 07:58:08,148 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 07:58:08,149 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [7, 7, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:58:08,149 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-19 07:58:08,151 INFO L748 eck$LassoCheckResult]: Stem: 3663#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(43, 2); 3625#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet22#1, main_#t~post21#1, main_~i~1#1, main_#t~ret23#1, main_~#A~0#1.base, main_~#A~0#1.offset;call main_~#A~0#1.base, main_~#A~0#1.offset := #Ultimate.allocOnStack(9);main_~i~1#1 := 0; 3626#L87-3 assume !!(main_~i~1#1 < 7);havoc main_#t~nondet22#1;call write~int(main_#t~nondet22#1, main_~#A~0#1.base, main_~#A~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet22#1; 3612#L87-2 main_#t~post21#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post21#1;havoc main_#t~post21#1; 3613#L87-3 assume !!(main_~i~1#1 < 7);havoc main_#t~nondet22#1;call write~int(main_#t~nondet22#1, main_~#A~0#1.base, main_~#A~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet22#1; 3653#L87-2 main_#t~post21#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post21#1;havoc main_#t~post21#1; 3688#L87-3 assume !!(main_~i~1#1 < 7);havoc main_#t~nondet22#1;call write~int(main_#t~nondet22#1, main_~#A~0#1.base, main_~#A~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet22#1; 3686#L87-2 main_#t~post21#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post21#1;havoc main_#t~post21#1; 3684#L87-3 assume !!(main_~i~1#1 < 7);havoc main_#t~nondet22#1;call write~int(main_#t~nondet22#1, main_~#A~0#1.base, main_~#A~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet22#1; 3682#L87-2 main_#t~post21#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post21#1;havoc main_#t~post21#1; 3679#L87-3 assume !!(main_~i~1#1 < 7);havoc main_#t~nondet22#1;call write~int(main_#t~nondet22#1, main_~#A~0#1.base, main_~#A~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet22#1; 3677#L87-2 main_#t~post21#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post21#1;havoc main_#t~post21#1; 3675#L87-3 assume !!(main_~i~1#1 < 7);havoc main_#t~nondet22#1;call write~int(main_#t~nondet22#1, main_~#A~0#1.base, main_~#A~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet22#1; 3674#L87-2 main_#t~post21#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post21#1;havoc main_#t~post21#1; 3673#L87-3 assume !!(main_~i~1#1 < 7);havoc main_#t~nondet22#1;call write~int(main_#t~nondet22#1, main_~#A~0#1.base, main_~#A~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet22#1; 3670#L87-2 main_#t~post21#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post21#1;havoc main_#t~post21#1; 3669#L87-3 assume !(main_~i~1#1 < 7); 3664#L87-4 havoc main_~i~1#1;call write~int(0, main_~#A~0#1.base, 8 + main_~#A~0#1.offset, 1);assume { :begin_inline_parse_expression_list } true;parse_expression_list_#in~str#1.base, parse_expression_list_#in~str#1.offset := main_~#A~0#1.base, main_~#A~0#1.offset;havoc parse_expression_list_#res#1;havoc parse_expression_list_#t~post3#1, parse_expression_list_#t~mem4#1, parse_expression_list_#t~switch5#1, parse_expression_list_#t~post9#1, parse_expression_list_#t~mem6#1, parse_expression_list_#t~mem7#1, parse_expression_list_#t~short8#1, parse_expression_list_#t~mem10#1, parse_expression_list_#t~post11#1, parse_expression_list_#t~post16#1, parse_expression_list_#t~mem12#1, parse_expression_list_#t~mem13#1, parse_expression_list_#t~short14#1, parse_expression_list_#t~short15#1, parse_expression_list_#t~mem17#1, parse_expression_list_#t~short18#1, parse_expression_list_#t~post19#1, parse_expression_list_#t~ret20#1.base, parse_expression_list_#t~ret20#1.offset, parse_expression_list_#t~mem2#1, parse_expression_list_~str#1.base, parse_expression_list_~str#1.offset, parse_expression_list_~start~0#1, parse_expression_list_~i~0#1, parse_expression_list_~j~0#1, parse_expression_list_~#str2~0#1.base, parse_expression_list_~#str2~0#1.offset;parse_expression_list_~str#1.base, parse_expression_list_~str#1.offset := parse_expression_list_#in~str#1.base, parse_expression_list_#in~str#1.offset;parse_expression_list_~start~0#1 := 0;parse_expression_list_~i~0#1 := -1;parse_expression_list_~j~0#1 := -1;call parse_expression_list_~#str2~0#1.base, parse_expression_list_~#str2~0#1.offset := #Ultimate.allocOnStack(2); 3662#L62 assume !(parse_expression_list_~str#1.base == 0 && parse_expression_list_~str#1.offset == 0); 3634#L63-4 parse_expression_list_#t~post3#1 := parse_expression_list_~i~0#1;parse_expression_list_~i~0#1 := 1 + parse_expression_list_#t~post3#1;havoc parse_expression_list_#t~post3#1;call parse_expression_list_#t~mem4#1 := read~int(parse_expression_list_~str#1.base, parse_expression_list_~str#1.offset + parse_expression_list_~i~0#1, 1);parse_expression_list_#t~switch5#1 := 0 == parse_expression_list_#t~mem4#1; 3610#L66 assume !parse_expression_list_#t~switch5#1; 3611#L65 havoc parse_expression_list_#t~mem4#1;havoc parse_expression_list_#t~switch5#1; 3666#L63-1 call parse_expression_list_#t~mem2#1 := read~int(parse_expression_list_~str#1.base, parse_expression_list_~str#1.offset + parse_expression_list_~i~0#1, 1); 3651#L63-2 assume !!(0 != parse_expression_list_#t~mem2#1);havoc parse_expression_list_#t~mem2#1; 3652#L63-4 parse_expression_list_#t~post3#1 := parse_expression_list_~i~0#1;parse_expression_list_~i~0#1 := 1 + parse_expression_list_#t~post3#1;havoc parse_expression_list_#t~post3#1;call parse_expression_list_#t~mem4#1 := read~int(parse_expression_list_~str#1.base, parse_expression_list_~str#1.offset + parse_expression_list_~i~0#1, 1);parse_expression_list_#t~switch5#1 := 0 == parse_expression_list_#t~mem4#1; 3712#L66 assume parse_expression_list_#t~switch5#1; 3710#L67-5 call parse_expression_list_#t~mem6#1 := read~int(parse_expression_list_~str#1.base, parse_expression_list_~str#1.offset + parse_expression_list_~start~0#1, 1);parse_expression_list_#t~short8#1 := 32 == parse_expression_list_#t~mem6#1; 3657#L67-1 assume !parse_expression_list_#t~short8#1;call parse_expression_list_#t~mem7#1 := read~int(parse_expression_list_~str#1.base, parse_expression_list_~str#1.offset + parse_expression_list_~start~0#1, 1);parse_expression_list_#t~short8#1 := 9 == parse_expression_list_#t~mem7#1; 3658#L67-3 assume !parse_expression_list_#t~short8#1;havoc parse_expression_list_#t~mem6#1;havoc parse_expression_list_#t~mem7#1;havoc parse_expression_list_#t~short8#1; 3649#L67-6 call parse_expression_list_#t~mem10#1 := read~int(parse_expression_list_~str#1.base, parse_expression_list_~str#1.offset + parse_expression_list_~start~0#1, 1); 3650#L68 assume 34 == parse_expression_list_#t~mem10#1;havoc parse_expression_list_#t~mem10#1;parse_expression_list_#t~post11#1 := parse_expression_list_~start~0#1;parse_expression_list_~start~0#1 := 1 + parse_expression_list_#t~post11#1;havoc parse_expression_list_#t~post11#1; 3628#L68-2 parse_expression_list_~j~0#1 := parse_expression_list_~i~0#1 - 1; 3629#L70-8 parse_expression_list_#t~short15#1 := 0 < parse_expression_list_~j~0#1; 3633#L70-1 assume !parse_expression_list_#t~short15#1; 3661#L70-6 assume !parse_expression_list_#t~short15#1;havoc parse_expression_list_#t~mem12#1;havoc parse_expression_list_#t~mem13#1;havoc parse_expression_list_#t~short14#1;havoc parse_expression_list_#t~short15#1; 3672#L70-9 parse_expression_list_#t~short18#1 := 0 < parse_expression_list_~j~0#1; 3671#L71 assume !parse_expression_list_#t~short18#1; 3668#L71-2 assume !parse_expression_list_#t~short18#1;havoc parse_expression_list_#t~mem17#1;havoc parse_expression_list_#t~short18#1; 3639#L71-4 assume parse_expression_list_~start~0#1 <= parse_expression_list_~j~0#1;assume { :begin_inline_r_strncpy } true;r_strncpy_#in~dest#1.base, r_strncpy_#in~dest#1.offset, r_strncpy_#in~src#1.base, r_strncpy_#in~src#1.offset, r_strncpy_#in~n#1 := parse_expression_list_~#str2~0#1.base, parse_expression_list_~#str2~0#1.offset, parse_expression_list_~str#1.base, parse_expression_list_~str#1.offset + parse_expression_list_~start~0#1, 1 + (parse_expression_list_~j~0#1 - parse_expression_list_~start~0#1);havoc r_strncpy_#res#1.base, r_strncpy_#res#1.offset;havoc r_strncpy_#t~ret1#1.base, r_strncpy_#t~ret1#1.offset, r_strncpy_~dest#1.base, r_strncpy_~dest#1.offset, r_strncpy_~src#1.base, r_strncpy_~src#1.offset, r_strncpy_~n#1;r_strncpy_~dest#1.base, r_strncpy_~dest#1.offset := r_strncpy_#in~dest#1.base, r_strncpy_#in~dest#1.offset;r_strncpy_~src#1.base, r_strncpy_~src#1.offset := r_strncpy_#in~src#1.base, r_strncpy_#in~src#1.offset;r_strncpy_~n#1 := r_strncpy_#in~n#1;call r_strncpy_#t~ret1#1.base, r_strncpy_#t~ret1#1.offset := strncpy(r_strncpy_~dest#1.base, r_strncpy_~dest#1.offset, r_strncpy_~src#1.base, r_strncpy_~src#1.offset, r_strncpy_~n#1);r_strncpy_#res#1.base, r_strncpy_#res#1.offset := r_strncpy_#t~ret1#1.base, r_strncpy_#t~ret1#1.offset;havoc r_strncpy_#t~ret1#1.base, r_strncpy_#t~ret1#1.offset; 3640#r_strncpy_returnLabel#1 parse_expression_list_#t~ret20#1.base, parse_expression_list_#t~ret20#1.offset := r_strncpy_#res#1.base, r_strncpy_#res#1.offset;havoc r_strncpy_#t~ret1#1.base, r_strncpy_#t~ret1#1.offset, r_strncpy_~dest#1.base, r_strncpy_~dest#1.offset, r_strncpy_~src#1.base, r_strncpy_~src#1.offset, r_strncpy_~n#1;havoc r_strncpy_#in~dest#1.base, r_strncpy_#in~dest#1.offset, r_strncpy_#in~src#1.base, r_strncpy_#in~src#1.offset, r_strncpy_#in~n#1;assume { :end_inline_r_strncpy } true;havoc parse_expression_list_#t~ret20#1.base, parse_expression_list_#t~ret20#1.offset;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if 1 + (parse_expression_list_~j~0#1 - parse_expression_list_~start~0#1) < 2 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 3654#L15 assume !(0 == __VERIFIER_assert_~cond#1); 3630#L15-2 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;call write~int(0, parse_expression_list_~#str2~0#1.base, parse_expression_list_~#str2~0#1.offset + (1 + (parse_expression_list_~j~0#1 - parse_expression_list_~start~0#1)), 1); 3631#L72 parse_expression_list_~start~0#1 := 1 + parse_expression_list_~i~0#1; 3665#L65 havoc parse_expression_list_#t~mem4#1;havoc parse_expression_list_#t~switch5#1; 3702#L63-1 call parse_expression_list_#t~mem2#1 := read~int(parse_expression_list_~str#1.base, parse_expression_list_~str#1.offset + parse_expression_list_~i~0#1, 1); 3700#L63-2 assume !!(0 != parse_expression_list_#t~mem2#1);havoc parse_expression_list_#t~mem2#1; 3699#L63-4 parse_expression_list_#t~post3#1 := parse_expression_list_~i~0#1;parse_expression_list_~i~0#1 := 1 + parse_expression_list_#t~post3#1;havoc parse_expression_list_#t~post3#1;call parse_expression_list_#t~mem4#1 := read~int(parse_expression_list_~str#1.base, parse_expression_list_~str#1.offset + parse_expression_list_~i~0#1, 1);parse_expression_list_#t~switch5#1 := 0 == parse_expression_list_#t~mem4#1; 3697#L66 assume parse_expression_list_#t~switch5#1; 3620#L67-5 [2023-11-19 07:58:08,152 INFO L750 eck$LassoCheckResult]: Loop: 3620#L67-5 call parse_expression_list_#t~mem6#1 := read~int(parse_expression_list_~str#1.base, parse_expression_list_~str#1.offset + parse_expression_list_~start~0#1, 1);parse_expression_list_#t~short8#1 := 32 == parse_expression_list_#t~mem6#1; 3621#L67-1 assume parse_expression_list_#t~short8#1; 3641#L67-3 assume !!parse_expression_list_#t~short8#1;havoc parse_expression_list_#t~mem6#1;havoc parse_expression_list_#t~mem7#1;havoc parse_expression_list_#t~short8#1;parse_expression_list_#t~post9#1 := parse_expression_list_~start~0#1;parse_expression_list_~start~0#1 := 1 + parse_expression_list_#t~post9#1;havoc parse_expression_list_#t~post9#1; 3620#L67-5 [2023-11-19 07:58:08,152 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:58:08,152 INFO L85 PathProgramCache]: Analyzing trace with hash 1793752543, now seen corresponding path program 1 times [2023-11-19 07:58:08,153 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:58:08,153 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [682225065] [2023-11-19 07:58:08,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:58:08,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:58:08,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:58:08,276 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Forceful destruction successful, exit code 0 [2023-11-19 07:58:08,350 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 7 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2023-11-19 07:58:08,350 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:58:08,351 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [682225065] [2023-11-19 07:58:08,351 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [682225065] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 07:58:08,351 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [965021588] [2023-11-19 07:58:08,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:58:08,351 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:58:08,352 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:58:08,354 INFO L229 MonitoredProcess]: Starting monitored process 84 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:58:08,361 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (84)] Waiting until timeout for monitored process [2023-11-19 07:58:08,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:58:08,485 INFO L262 TraceCheckSpWp]: Trace formula consists of 260 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 07:58:08,487 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:58:08,579 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2023-11-19 07:58:08,579 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 07:58:08,579 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [965021588] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:58:08,579 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-19 07:58:08,580 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [7] total 11 [2023-11-19 07:58:08,580 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1356773842] [2023-11-19 07:58:08,580 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:58:08,580 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-19 07:58:08,581 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:58:08,581 INFO L85 PathProgramCache]: Analyzing trace with hash 62664, now seen corresponding path program 5 times [2023-11-19 07:58:08,581 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:58:08,581 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2122531768] [2023-11-19 07:58:08,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:58:08,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:58:08,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:58:08,585 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:58:08,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:58:08,589 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:58:08,645 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:58:08,645 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-19 07:58:08,646 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2023-11-19 07:58:08,646 INFO L87 Difference]: Start difference. First operand 104 states and 136 transitions. cyclomatic complexity: 40 Second operand has 6 states, 6 states have (on average 5.833333333333333) internal successors, (35), 6 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:58:08,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:58:08,754 INFO L93 Difference]: Finished difference Result 160 states and 210 transitions. [2023-11-19 07:58:08,754 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 160 states and 210 transitions. [2023-11-19 07:58:08,755 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2023-11-19 07:58:08,756 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 160 states to 139 states and 180 transitions. [2023-11-19 07:58:08,757 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17 [2023-11-19 07:58:08,757 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17 [2023-11-19 07:58:08,757 INFO L73 IsDeterministic]: Start isDeterministic. Operand 139 states and 180 transitions. [2023-11-19 07:58:08,757 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-19 07:58:08,757 INFO L218 hiAutomatonCegarLoop]: Abstraction has 139 states and 180 transitions. [2023-11-19 07:58:08,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states and 180 transitions. [2023-11-19 07:58:08,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 112. [2023-11-19 07:58:08,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112 states, 112 states have (on average 1.3035714285714286) internal successors, (146), 111 states have internal predecessors, (146), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:58:08,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 146 transitions. [2023-11-19 07:58:08,760 INFO L240 hiAutomatonCegarLoop]: Abstraction has 112 states and 146 transitions. [2023-11-19 07:58:08,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-19 07:58:08,761 INFO L428 stractBuchiCegarLoop]: Abstraction has 112 states and 146 transitions. [2023-11-19 07:58:08,761 INFO L335 stractBuchiCegarLoop]: ======== Iteration 15 ============ [2023-11-19 07:58:08,762 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 112 states and 146 transitions. [2023-11-19 07:58:08,762 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2023-11-19 07:58:08,763 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 07:58:08,763 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 07:58:08,763 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [7, 7, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:58:08,763 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-19 07:58:08,764 INFO L748 eck$LassoCheckResult]: Stem: 4081#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(43, 2); 4046#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet22#1, main_#t~post21#1, main_~i~1#1, main_#t~ret23#1, main_~#A~0#1.base, main_~#A~0#1.offset;call main_~#A~0#1.base, main_~#A~0#1.offset := #Ultimate.allocOnStack(9);main_~i~1#1 := 0; 4047#L87-3 assume !!(main_~i~1#1 < 7);havoc main_#t~nondet22#1;call write~int(main_#t~nondet22#1, main_~#A~0#1.base, main_~#A~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet22#1; 4073#L87-2 main_#t~post21#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post21#1;havoc main_#t~post21#1; 4074#L87-3 assume !!(main_~i~1#1 < 7);havoc main_#t~nondet22#1;call write~int(main_#t~nondet22#1, main_~#A~0#1.base, main_~#A~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet22#1; 4033#L87-2 main_#t~post21#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post21#1;havoc main_#t~post21#1; 4034#L87-3 assume !!(main_~i~1#1 < 7);havoc main_#t~nondet22#1;call write~int(main_#t~nondet22#1, main_~#A~0#1.base, main_~#A~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet22#1; 4099#L87-2 main_#t~post21#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post21#1;havoc main_#t~post21#1; 4098#L87-3 assume !!(main_~i~1#1 < 7);havoc main_#t~nondet22#1;call write~int(main_#t~nondet22#1, main_~#A~0#1.base, main_~#A~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet22#1; 4097#L87-2 main_#t~post21#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post21#1;havoc main_#t~post21#1; 4096#L87-3 assume !!(main_~i~1#1 < 7);havoc main_#t~nondet22#1;call write~int(main_#t~nondet22#1, main_~#A~0#1.base, main_~#A~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet22#1; 4095#L87-2 main_#t~post21#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post21#1;havoc main_#t~post21#1; 4093#L87-3 assume !!(main_~i~1#1 < 7);havoc main_#t~nondet22#1;call write~int(main_#t~nondet22#1, main_~#A~0#1.base, main_~#A~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet22#1; 4091#L87-2 main_#t~post21#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post21#1;havoc main_#t~post21#1; 4089#L87-3 assume !!(main_~i~1#1 < 7);havoc main_#t~nondet22#1;call write~int(main_#t~nondet22#1, main_~#A~0#1.base, main_~#A~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet22#1; 4086#L87-2 main_#t~post21#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post21#1;havoc main_#t~post21#1; 4085#L87-3 assume !(main_~i~1#1 < 7); 4082#L87-4 havoc main_~i~1#1;call write~int(0, main_~#A~0#1.base, 8 + main_~#A~0#1.offset, 1);assume { :begin_inline_parse_expression_list } true;parse_expression_list_#in~str#1.base, parse_expression_list_#in~str#1.offset := main_~#A~0#1.base, main_~#A~0#1.offset;havoc parse_expression_list_#res#1;havoc parse_expression_list_#t~post3#1, parse_expression_list_#t~mem4#1, parse_expression_list_#t~switch5#1, parse_expression_list_#t~post9#1, parse_expression_list_#t~mem6#1, parse_expression_list_#t~mem7#1, parse_expression_list_#t~short8#1, parse_expression_list_#t~mem10#1, parse_expression_list_#t~post11#1, parse_expression_list_#t~post16#1, parse_expression_list_#t~mem12#1, parse_expression_list_#t~mem13#1, parse_expression_list_#t~short14#1, parse_expression_list_#t~short15#1, parse_expression_list_#t~mem17#1, parse_expression_list_#t~short18#1, parse_expression_list_#t~post19#1, parse_expression_list_#t~ret20#1.base, parse_expression_list_#t~ret20#1.offset, parse_expression_list_#t~mem2#1, parse_expression_list_~str#1.base, parse_expression_list_~str#1.offset, parse_expression_list_~start~0#1, parse_expression_list_~i~0#1, parse_expression_list_~j~0#1, parse_expression_list_~#str2~0#1.base, parse_expression_list_~#str2~0#1.offset;parse_expression_list_~str#1.base, parse_expression_list_~str#1.offset := parse_expression_list_#in~str#1.base, parse_expression_list_#in~str#1.offset;parse_expression_list_~start~0#1 := 0;parse_expression_list_~i~0#1 := -1;parse_expression_list_~j~0#1 := -1;call parse_expression_list_~#str2~0#1.base, parse_expression_list_~#str2~0#1.offset := #Ultimate.allocOnStack(2); 4080#L62 assume !(parse_expression_list_~str#1.base == 0 && parse_expression_list_~str#1.offset == 0); 4055#L63-4 parse_expression_list_#t~post3#1 := parse_expression_list_~i~0#1;parse_expression_list_~i~0#1 := 1 + parse_expression_list_#t~post3#1;havoc parse_expression_list_#t~post3#1;call parse_expression_list_#t~mem4#1 := read~int(parse_expression_list_~str#1.base, parse_expression_list_~str#1.offset + parse_expression_list_~i~0#1, 1);parse_expression_list_#t~switch5#1 := 0 == parse_expression_list_#t~mem4#1; 4031#L66 assume !parse_expression_list_#t~switch5#1; 4032#L65 havoc parse_expression_list_#t~mem4#1;havoc parse_expression_list_#t~switch5#1; 4084#L63-1 call parse_expression_list_#t~mem2#1 := read~int(parse_expression_list_~str#1.base, parse_expression_list_~str#1.offset + parse_expression_list_~i~0#1, 1); 4071#L63-2 assume !!(0 != parse_expression_list_#t~mem2#1);havoc parse_expression_list_#t~mem2#1; 4072#L63-4 parse_expression_list_#t~post3#1 := parse_expression_list_~i~0#1;parse_expression_list_~i~0#1 := 1 + parse_expression_list_#t~post3#1;havoc parse_expression_list_#t~post3#1;call parse_expression_list_#t~mem4#1 := read~int(parse_expression_list_~str#1.base, parse_expression_list_~str#1.offset + parse_expression_list_~i~0#1, 1);parse_expression_list_#t~switch5#1 := 0 == parse_expression_list_#t~mem4#1; 4101#L66 assume parse_expression_list_#t~switch5#1; 4103#L67-5 call parse_expression_list_#t~mem6#1 := read~int(parse_expression_list_~str#1.base, parse_expression_list_~str#1.offset + parse_expression_list_~start~0#1, 1);parse_expression_list_#t~short8#1 := 32 == parse_expression_list_#t~mem6#1; 4142#L67-1 assume !parse_expression_list_#t~short8#1;call parse_expression_list_#t~mem7#1 := read~int(parse_expression_list_~str#1.base, parse_expression_list_~str#1.offset + parse_expression_list_~start~0#1, 1);parse_expression_list_#t~short8#1 := 9 == parse_expression_list_#t~mem7#1; 4064#L67-3 assume !parse_expression_list_#t~short8#1;havoc parse_expression_list_#t~mem6#1;havoc parse_expression_list_#t~mem7#1;havoc parse_expression_list_#t~short8#1; 4065#L67-6 call parse_expression_list_#t~mem10#1 := read~int(parse_expression_list_~str#1.base, parse_expression_list_~str#1.offset + parse_expression_list_~start~0#1, 1); 4070#L68 assume !(34 == parse_expression_list_#t~mem10#1);havoc parse_expression_list_#t~mem10#1; 4049#L68-2 parse_expression_list_~j~0#1 := parse_expression_list_~i~0#1 - 1; 4050#L70-8 parse_expression_list_#t~short15#1 := 0 < parse_expression_list_~j~0#1; 4054#L70-1 assume !parse_expression_list_#t~short15#1; 4039#L70-6 assume !parse_expression_list_#t~short15#1;havoc parse_expression_list_#t~mem12#1;havoc parse_expression_list_#t~mem13#1;havoc parse_expression_list_#t~short14#1;havoc parse_expression_list_#t~short15#1; 4035#L70-9 parse_expression_list_#t~short18#1 := 0 < parse_expression_list_~j~0#1; 4036#L71 assume !parse_expression_list_#t~short18#1; 4040#L71-2 assume !parse_expression_list_#t~short18#1;havoc parse_expression_list_#t~mem17#1;havoc parse_expression_list_#t~short18#1; 4060#L71-4 assume parse_expression_list_~start~0#1 <= parse_expression_list_~j~0#1;assume { :begin_inline_r_strncpy } true;r_strncpy_#in~dest#1.base, r_strncpy_#in~dest#1.offset, r_strncpy_#in~src#1.base, r_strncpy_#in~src#1.offset, r_strncpy_#in~n#1 := parse_expression_list_~#str2~0#1.base, parse_expression_list_~#str2~0#1.offset, parse_expression_list_~str#1.base, parse_expression_list_~str#1.offset + parse_expression_list_~start~0#1, 1 + (parse_expression_list_~j~0#1 - parse_expression_list_~start~0#1);havoc r_strncpy_#res#1.base, r_strncpy_#res#1.offset;havoc r_strncpy_#t~ret1#1.base, r_strncpy_#t~ret1#1.offset, r_strncpy_~dest#1.base, r_strncpy_~dest#1.offset, r_strncpy_~src#1.base, r_strncpy_~src#1.offset, r_strncpy_~n#1;r_strncpy_~dest#1.base, r_strncpy_~dest#1.offset := r_strncpy_#in~dest#1.base, r_strncpy_#in~dest#1.offset;r_strncpy_~src#1.base, r_strncpy_~src#1.offset := r_strncpy_#in~src#1.base, r_strncpy_#in~src#1.offset;r_strncpy_~n#1 := r_strncpy_#in~n#1;call r_strncpy_#t~ret1#1.base, r_strncpy_#t~ret1#1.offset := strncpy(r_strncpy_~dest#1.base, r_strncpy_~dest#1.offset, r_strncpy_~src#1.base, r_strncpy_~src#1.offset, r_strncpy_~n#1);r_strncpy_#res#1.base, r_strncpy_#res#1.offset := r_strncpy_#t~ret1#1.base, r_strncpy_#t~ret1#1.offset;havoc r_strncpy_#t~ret1#1.base, r_strncpy_#t~ret1#1.offset; 4061#r_strncpy_returnLabel#1 parse_expression_list_#t~ret20#1.base, parse_expression_list_#t~ret20#1.offset := r_strncpy_#res#1.base, r_strncpy_#res#1.offset;havoc r_strncpy_#t~ret1#1.base, r_strncpy_#t~ret1#1.offset, r_strncpy_~dest#1.base, r_strncpy_~dest#1.offset, r_strncpy_~src#1.base, r_strncpy_~src#1.offset, r_strncpy_~n#1;havoc r_strncpy_#in~dest#1.base, r_strncpy_#in~dest#1.offset, r_strncpy_#in~src#1.base, r_strncpy_#in~src#1.offset, r_strncpy_#in~n#1;assume { :end_inline_r_strncpy } true;havoc parse_expression_list_#t~ret20#1.base, parse_expression_list_#t~ret20#1.offset;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if 1 + (parse_expression_list_~j~0#1 - parse_expression_list_~start~0#1) < 2 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 4075#L15 assume !(0 == __VERIFIER_assert_~cond#1); 4051#L15-2 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;call write~int(0, parse_expression_list_~#str2~0#1.base, parse_expression_list_~#str2~0#1.offset + (1 + (parse_expression_list_~j~0#1 - parse_expression_list_~start~0#1)), 1); 4052#L72 parse_expression_list_~start~0#1 := 1 + parse_expression_list_~i~0#1; 4083#L65 havoc parse_expression_list_#t~mem4#1;havoc parse_expression_list_#t~switch5#1; 4094#L63-1 call parse_expression_list_#t~mem2#1 := read~int(parse_expression_list_~str#1.base, parse_expression_list_~str#1.offset + parse_expression_list_~i~0#1, 1); 4092#L63-2 assume !!(0 != parse_expression_list_#t~mem2#1);havoc parse_expression_list_#t~mem2#1; 4090#L63-4 parse_expression_list_#t~post3#1 := parse_expression_list_~i~0#1;parse_expression_list_~i~0#1 := 1 + parse_expression_list_#t~post3#1;havoc parse_expression_list_#t~post3#1;call parse_expression_list_#t~mem4#1 := read~int(parse_expression_list_~str#1.base, parse_expression_list_~str#1.offset + parse_expression_list_~i~0#1, 1);parse_expression_list_#t~switch5#1 := 0 == parse_expression_list_#t~mem4#1; 4087#L66 assume parse_expression_list_#t~switch5#1; 4041#L67-5 [2023-11-19 07:58:08,764 INFO L750 eck$LassoCheckResult]: Loop: 4041#L67-5 call parse_expression_list_#t~mem6#1 := read~int(parse_expression_list_~str#1.base, parse_expression_list_~str#1.offset + parse_expression_list_~start~0#1, 1);parse_expression_list_#t~short8#1 := 32 == parse_expression_list_#t~mem6#1; 4042#L67-1 assume parse_expression_list_#t~short8#1; 4062#L67-3 assume !!parse_expression_list_#t~short8#1;havoc parse_expression_list_#t~mem6#1;havoc parse_expression_list_#t~mem7#1;havoc parse_expression_list_#t~short8#1;parse_expression_list_#t~post9#1 := parse_expression_list_~start~0#1;parse_expression_list_~start~0#1 := 1 + parse_expression_list_#t~post9#1;havoc parse_expression_list_#t~post9#1; 4041#L67-5 [2023-11-19 07:58:08,764 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:58:08,765 INFO L85 PathProgramCache]: Analyzing trace with hash -200392163, now seen corresponding path program 1 times [2023-11-19 07:58:08,765 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:58:08,765 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2106535098] [2023-11-19 07:58:08,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:58:08,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:58:08,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:58:09,085 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 12 proven. 3 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2023-11-19 07:58:09,086 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:58:09,086 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2106535098] [2023-11-19 07:58:09,086 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2106535098] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 07:58:09,086 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [252454159] [2023-11-19 07:58:09,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:58:09,087 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:58:09,087 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:58:09,090 INFO L229 MonitoredProcess]: Starting monitored process 85 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:58:09,109 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (85)] Waiting until timeout for monitored process [2023-11-19 07:58:09,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:58:09,229 INFO L262 TraceCheckSpWp]: Trace formula consists of 257 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-19 07:58:09,236 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:58:09,240 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-11-19 07:58:09,276 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2023-11-19 07:58:09,276 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2023-11-19 07:58:09,429 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2023-11-19 07:58:09,440 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2023-11-19 07:58:09,440 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 07:58:09,456 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_539 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_parse_expression_list_~#str2~0#1.base| v_ArrVal_539) |c_ULTIMATE.start_parse_expression_list_~str#1.base|) (+ |c_ULTIMATE.start_parse_expression_list_~i~0#1| |c_ULTIMATE.start_parse_expression_list_~str#1.offset|)) 0)) is different from false [2023-11-19 07:58:09,545 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 24 [2023-11-19 07:58:09,595 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2023-11-19 07:58:09,596 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [252454159] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 07:58:09,596 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-19 07:58:09,596 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 12 [2023-11-19 07:58:09,596 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1930134017] [2023-11-19 07:58:09,596 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-19 07:58:09,597 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-19 07:58:09,597 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:58:09,597 INFO L85 PathProgramCache]: Analyzing trace with hash 62664, now seen corresponding path program 6 times [2023-11-19 07:58:09,598 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:58:09,598 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [311644997] [2023-11-19 07:58:09,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:58:09,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:58:09,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:58:09,602 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:58:09,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:58:09,606 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:58:09,668 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:58:09,668 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-19 07:58:09,668 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=82, Unknown=1, NotChecked=18, Total=132 [2023-11-19 07:58:09,669 INFO L87 Difference]: Start difference. First operand 112 states and 146 transitions. cyclomatic complexity: 42 Second operand has 12 states, 12 states have (on average 5.25) internal successors, (63), 12 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:58:09,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:58:09,810 INFO L93 Difference]: Finished difference Result 88 states and 109 transitions. [2023-11-19 07:58:09,810 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 88 states and 109 transitions. [2023-11-19 07:58:09,811 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-19 07:58:09,811 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 88 states to 0 states and 0 transitions. [2023-11-19 07:58:09,811 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2023-11-19 07:58:09,811 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2023-11-19 07:58:09,812 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2023-11-19 07:58:09,812 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:58:09,812 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-19 07:58:09,812 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-19 07:58:09,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-19 07:58:09,813 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-19 07:58:09,813 INFO L335 stractBuchiCegarLoop]: ======== Iteration 16 ============ [2023-11-19 07:58:09,813 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2023-11-19 07:58:09,813 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-19 07:58:09,814 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2023-11-19 07:58:09,821 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 19.11 07:58:09 BoogieIcfgContainer [2023-11-19 07:58:09,821 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-11-19 07:58:09,821 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 07:58:09,822 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 07:58:09,822 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 07:58:09,822 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:57:35" (3/4) ... [2023-11-19 07:58:09,824 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 07:58:09,825 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 07:58:09,826 INFO L158 Benchmark]: Toolchain (without parser) took 35921.30ms. Allocated memory was 167.8MB in the beginning and 255.9MB in the end (delta: 88.1MB). Free memory was 121.2MB in the beginning and 170.3MB in the end (delta: -49.1MB). Peak memory consumption was 42.1MB. Max. memory is 16.1GB. [2023-11-19 07:58:09,826 INFO L158 Benchmark]: CDTParser took 0.60ms. Allocated memory is still 167.8MB. Free memory is still 141.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:58:09,827 INFO L158 Benchmark]: CACSL2BoogieTranslator took 402.27ms. Allocated memory is still 167.8MB. Free memory was 121.0MB in the beginning and 109.1MB in the end (delta: 11.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 07:58:09,827 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.10ms. Allocated memory is still 167.8MB. Free memory was 109.1MB in the beginning and 107.1MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 07:58:09,828 INFO L158 Benchmark]: Boogie Preprocessor took 33.89ms. Allocated memory is still 167.8MB. Free memory was 107.1MB in the beginning and 105.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 07:58:09,828 INFO L158 Benchmark]: RCFGBuilder took 641.97ms. Allocated memory is still 167.8MB. Free memory was 105.6MB in the beginning and 90.3MB in the end (delta: 15.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-19 07:58:09,829 INFO L158 Benchmark]: BuchiAutomizer took 34771.83ms. Allocated memory was 167.8MB in the beginning and 255.9MB in the end (delta: 88.1MB). Free memory was 90.1MB in the beginning and 170.3MB in the end (delta: -80.2MB). Peak memory consumption was 10.6MB. Max. memory is 16.1GB. [2023-11-19 07:58:09,829 INFO L158 Benchmark]: Witness Printer took 4.24ms. Allocated memory is still 255.9MB. Free memory is still 170.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:58:09,833 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.60ms. Allocated memory is still 167.8MB. Free memory is still 141.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 402.27ms. Allocated memory is still 167.8MB. Free memory was 121.0MB in the beginning and 109.1MB in the end (delta: 11.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.10ms. Allocated memory is still 167.8MB. Free memory was 109.1MB in the beginning and 107.1MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.89ms. Allocated memory is still 167.8MB. Free memory was 107.1MB in the beginning and 105.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 641.97ms. Allocated memory is still 167.8MB. Free memory was 105.6MB in the beginning and 90.3MB in the end (delta: 15.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * BuchiAutomizer took 34771.83ms. Allocated memory was 167.8MB in the beginning and 255.9MB in the end (delta: 88.1MB). Free memory was 90.1MB in the beginning and 170.3MB in the end (delta: -80.2MB). Peak memory consumption was 10.6MB. Max. memory is 16.1GB. * Witness Printer took 4.24ms. Allocated memory is still 255.9MB. Free memory is still 170.3MB. 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[~#A~0!base] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression ~str!offset has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #length[~#A~0!base] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression ~str!offset has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 15 terminating modules (11 trivial, 4 deterministic, 0 nondeterministic). One deterministic module has affine ranking function null and consists of 5 locations. One deterministic module has affine ranking function null and consists of 5 locations. One deterministic module has affine ranking function null and consists of 5 locations. One deterministic module has affine ranking function j and consists of 6 locations. 11 modules have a trivial ranking function, the largest among these consists of 12 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 34.7s and 16 iterations. TraceHistogramMax:7. Analysis of lassos took 31.8s. Construction of modules took 0.6s. Büchi inclusion checks took 1.9s. Highest rank in rank-based complementation 3. Minimization of det autom 5. Minimization of nondet autom 10. Automata minimization 0.1s AutomataMinimizationTime, 14 MinimizatonAttempts, 241 StatesRemovedByMinimization, 10 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [4, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 754 SdHoareTripleChecker+Valid, 0.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 752 mSDsluCounter, 1469 SdHoareTripleChecker+Invalid, 0.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 25 IncrementalHoareTripleChecker+Unchecked, 972 mSDsCounter, 51 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 710 IncrementalHoareTripleChecker+Invalid, 786 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 51 mSolverCounterUnsat, 497 mSDtfsCounter, 710 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc3 concLT0 SILN0 SILU7 SILI1 SILT0 lasso4 LassoPreprocessingBenchmarks: Lassos: inital210 mio100 ax100 hnf100 lsp94 ukn67 mio100 lsp27 div100 bol100 ite100 ukn100 eq178 hnf90 smp100 dnf188 smp80 tf100 neg100 sie105 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 31ms VariablesStem: 3 VariablesLoop: 3 DisjunctsStem: 2 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 8 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2023-11-19 07:58:09,876 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (85)] Forceful destruction successful, exit code 0 [2023-11-19 07:58:10,083 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (84)] Ended with exit code 0 [2023-11-19 07:58:10,284 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (63)] Forceful destruction successful, exit code 0 [2023-11-19 07:58:10,484 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2023-11-19 07:58:10,683 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2023-11-19 07:58:10,887 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a338733-c8d9-43b1-814e-8f7eb4ec78ee/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE