./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/array-examples/standard_vararg_ground.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63b4e9e6-f704-4885-a119-3f46917bd92d/bin/uautomizer-J5u9QxTXDZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63b4e9e6-f704-4885-a119-3f46917bd92d/bin/uautomizer-J5u9QxTXDZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63b4e9e6-f704-4885-a119-3f46917bd92d/bin/uautomizer-J5u9QxTXDZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63b4e9e6-f704-4885-a119-3f46917bd92d/bin/uautomizer-J5u9QxTXDZ/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/array-examples/standard_vararg_ground.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63b4e9e6-f704-4885-a119-3f46917bd92d/bin/uautomizer-J5u9QxTXDZ/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63b4e9e6-f704-4885-a119-3f46917bd92d/bin/uautomizer-J5u9QxTXDZ --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 28ac72543f751666908cbd68a77fa11ffe4dd886016c3996df45b97bb42d5078 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-dbf71c6-m [2022-10-17 10:56:00,391 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 10:56:00,395 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 10:56:00,437 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 10:56:00,438 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 10:56:00,439 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 10:56:00,441 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 10:56:00,444 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 10:56:00,446 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 10:56:00,448 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 10:56:00,450 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 10:56:00,454 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 10:56:00,454 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 10:56:00,462 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 10:56:00,464 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 10:56:00,465 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 10:56:00,466 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 10:56:00,467 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 10:56:00,470 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 10:56:00,472 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 10:56:00,478 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 10:56:00,481 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 10:56:00,485 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 10:56:00,487 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 10:56:00,494 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 10:56:00,495 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 10:56:00,495 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 10:56:00,496 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 10:56:00,497 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 10:56:00,498 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 10:56:00,499 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 10:56:00,500 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 10:56:00,501 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 10:56:00,501 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 10:56:00,503 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 10:56:00,503 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 10:56:00,504 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 10:56:00,504 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 10:56:00,504 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 10:56:00,505 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 10:56:00,506 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 10:56:00,507 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63b4e9e6-f704-4885-a119-3f46917bd92d/bin/uautomizer-J5u9QxTXDZ/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-10-17 10:56:00,533 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 10:56:00,533 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 10:56:00,534 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-17 10:56:00,534 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-17 10:56:00,535 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 10:56:00,535 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 10:56:00,535 INFO L138 SettingsManager]: * Use SBE=true [2022-10-17 10:56:00,536 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-10-17 10:56:00,536 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-10-17 10:56:00,536 INFO L138 SettingsManager]: * Use old map elimination=false [2022-10-17 10:56:00,537 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-10-17 10:56:00,538 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-10-17 10:56:00,539 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-10-17 10:56:00,539 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 10:56:00,539 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 10:56:00,539 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-17 10:56:00,540 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 10:56:00,540 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 10:56:00,540 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 10:56:00,540 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-10-17 10:56:00,541 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-10-17 10:56:00,541 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-10-17 10:56:00,541 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 10:56:00,542 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 10:56:00,542 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-10-17 10:56:00,542 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 10:56:00,542 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-10-17 10:56:00,543 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 10:56:00,543 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-17 10:56:00,544 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 10:56:00,544 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-17 10:56:00,545 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-10-17 10:56:00,546 INFO L138 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_63b4e9e6-f704-4885-a119-3f46917bd92d/bin/uautomizer-J5u9QxTXDZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63b4e9e6-f704-4885-a119-3f46917bd92d/bin/uautomizer-J5u9QxTXDZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 28ac72543f751666908cbd68a77fa11ffe4dd886016c3996df45b97bb42d5078 [2022-10-17 10:56:00,893 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 10:56:00,917 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 10:56:00,920 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 10:56:00,922 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 10:56:00,923 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 10:56:00,924 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63b4e9e6-f704-4885-a119-3f46917bd92d/bin/uautomizer-J5u9QxTXDZ/../../sv-benchmarks/c/array-examples/standard_vararg_ground.i [2022-10-17 10:56:01,013 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63b4e9e6-f704-4885-a119-3f46917bd92d/bin/uautomizer-J5u9QxTXDZ/data/0fe7e7fc5/ce0d350645164f619b08071977372d5a/FLAGfb9ea0610 [2022-10-17 10:56:01,573 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 10:56:01,574 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63b4e9e6-f704-4885-a119-3f46917bd92d/sv-benchmarks/c/array-examples/standard_vararg_ground.i [2022-10-17 10:56:01,580 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63b4e9e6-f704-4885-a119-3f46917bd92d/bin/uautomizer-J5u9QxTXDZ/data/0fe7e7fc5/ce0d350645164f619b08071977372d5a/FLAGfb9ea0610 [2022-10-17 10:56:01,899 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63b4e9e6-f704-4885-a119-3f46917bd92d/bin/uautomizer-J5u9QxTXDZ/data/0fe7e7fc5/ce0d350645164f619b08071977372d5a [2022-10-17 10:56:01,902 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 10:56:01,904 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 10:56:01,906 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 10:56:01,906 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 10:56:01,910 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 10:56:01,911 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 10:56:01" (1/1) ... [2022-10-17 10:56:01,912 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40352f02 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:56:01, skipping insertion in model container [2022-10-17 10:56:01,913 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 10:56:01" (1/1) ... [2022-10-17 10:56:01,921 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 10:56:01,937 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 10:56:02,157 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63b4e9e6-f704-4885-a119-3f46917bd92d/sv-benchmarks/c/array-examples/standard_vararg_ground.i[815,828] [2022-10-17 10:56:02,172 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 10:56:02,181 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 10:56:02,196 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63b4e9e6-f704-4885-a119-3f46917bd92d/sv-benchmarks/c/array-examples/standard_vararg_ground.i[815,828] [2022-10-17 10:56:02,202 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 10:56:02,218 INFO L208 MainTranslator]: Completed translation [2022-10-17 10:56:02,219 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:56:02 WrapperNode [2022-10-17 10:56:02,219 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 10:56:02,220 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 10:56:02,220 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 10:56:02,221 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 10:56:02,230 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:56:02" (1/1) ... [2022-10-17 10:56:02,238 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:56:02" (1/1) ... [2022-10-17 10:56:02,260 INFO L138 Inliner]: procedures = 16, calls = 13, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 54 [2022-10-17 10:56:02,260 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 10:56:02,261 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 10:56:02,262 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 10:56:02,262 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 10:56:02,273 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:56:02" (1/1) ... [2022-10-17 10:56:02,273 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:56:02" (1/1) ... [2022-10-17 10:56:02,275 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:56:02" (1/1) ... [2022-10-17 10:56:02,276 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:56:02" (1/1) ... [2022-10-17 10:56:02,282 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:56:02" (1/1) ... [2022-10-17 10:56:02,287 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:56:02" (1/1) ... [2022-10-17 10:56:02,288 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:56:02" (1/1) ... [2022-10-17 10:56:02,290 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:56:02" (1/1) ... [2022-10-17 10:56:02,292 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 10:56:02,293 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 10:56:02,293 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 10:56:02,293 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 10:56:02,295 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:56:02" (1/1) ... [2022-10-17 10:56:02,302 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:56:02,317 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63b4e9e6-f704-4885-a119-3f46917bd92d/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:56:02,335 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63b4e9e6-f704-4885-a119-3f46917bd92d/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:56:02,350 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63b4e9e6-f704-4885-a119-3f46917bd92d/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-10-17 10:56:02,386 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 10:56:02,387 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 10:56:02,387 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 10:56:02,387 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 10:56:02,387 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 10:56:02,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 10:56:02,388 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 10:56:02,388 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 10:56:02,455 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 10:56:02,458 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 10:56:02,662 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 10:56:02,668 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 10:56:02,668 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-10-17 10:56:02,670 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:56:02 BoogieIcfgContainer [2022-10-17 10:56:02,685 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 10:56:02,686 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-10-17 10:56:02,686 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-10-17 10:56:02,691 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-10-17 10:56:02,692 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-10-17 10:56:02,692 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 17.10 10:56:01" (1/3) ... [2022-10-17 10:56:02,693 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4a6cbb96 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 17.10 10:56:02, skipping insertion in model container [2022-10-17 10:56:02,694 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-10-17 10:56:02,694 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:56:02" (2/3) ... [2022-10-17 10:56:02,694 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4a6cbb96 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 17.10 10:56:02, skipping insertion in model container [2022-10-17 10:56:02,694 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-10-17 10:56:02,695 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:56:02" (3/3) ... [2022-10-17 10:56:02,696 INFO L332 chiAutomizerObserver]: Analyzing ICFG standard_vararg_ground.i [2022-10-17 10:56:02,781 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-10-17 10:56:02,781 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-10-17 10:56:02,781 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-10-17 10:56:02,782 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-10-17 10:56:02,782 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-10-17 10:56:02,782 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-10-17 10:56:02,782 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-10-17 10:56:02,783 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-10-17 10:56:02,787 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 16 states, 15 states have (on average 1.4666666666666666) internal successors, (22), 15 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) [2022-10-17 10:56:02,807 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 9 [2022-10-17 10:56:02,808 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-10-17 10:56:02,808 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-10-17 10:56:02,814 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-10-17 10:56:02,814 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-10-17 10:56:02,814 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-10-17 10:56:02,815 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 16 states, 15 states have (on average 1.4666666666666666) internal successors, (22), 15 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) [2022-10-17 10:56:02,817 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 9 [2022-10-17 10:56:02,818 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-10-17 10:56:02,818 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-10-17 10:56:02,818 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-10-17 10:56:02,818 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-10-17 10:56:02,827 INFO L748 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;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(25, 2); 8#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~post1#1, main_~i~0#1, main_#t~post4#1, main_#t~mem3#1, main_#t~mem6#1, main_#t~post5#1, main_~#aa~0#1.base, main_~#aa~0#1.offset, main_~a~0#1, main_~x~0#1;call main_~#aa~0#1.base, main_~#aa~0#1.offset := #Ultimate.allocOnStack(400000);main_~a~0#1 := 0;main_~i~0#1 := 0; 14#L20-3true [2022-10-17 10:56:02,841 INFO L750 eck$LassoCheckResult]: Loop: 14#L20-3true assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet2#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet2#1; 15#L20-2true main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 14#L20-3true [2022-10-17 10:56:02,847 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:56:02,848 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2022-10-17 10:56:02,874 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:56:02,875 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [726247369] [2022-10-17 10:56:02,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:56:02,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:56:03,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:56:03,029 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:56:03,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:56:03,074 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:56:03,077 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:56:03,077 INFO L85 PathProgramCache]: Analyzing trace with hash 1283, now seen corresponding path program 1 times [2022-10-17 10:56:03,078 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:56:03,078 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1927500979] [2022-10-17 10:56:03,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:56:03,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:56:03,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:56:03,103 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:56:03,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:56:03,116 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:56:03,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:56:03,118 INFO L85 PathProgramCache]: Analyzing trace with hash 925765, now seen corresponding path program 1 times [2022-10-17 10:56:03,119 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:56:03,119 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [62982438] [2022-10-17 10:56:03,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:56:03,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:56:03,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:56:03,157 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:56:03,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:56:03,184 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:56:03,632 INFO L210 LassoAnalysis]: Preferences: [2022-10-17 10:56:03,632 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-10-17 10:56:03,632 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-10-17 10:56:03,633 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-10-17 10:56:03,633 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-10-17 10:56:03,633 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:56:03,633 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-10-17 10:56:03,633 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-10-17 10:56:03,633 INFO L133 ssoRankerPreferences]: Filename of dumped script: standard_vararg_ground.i_Iteration1_Lasso [2022-10-17 10:56:03,634 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-10-17 10:56:03,634 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-10-17 10:56:03,656 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:56:03,673 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:56:03,677 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:56:03,682 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:56:03,685 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:56:03,688 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:56:03,696 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:56:03,703 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:56:03,707 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:56:03,968 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:56:03,972 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:56:04,268 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-10-17 10:56:04,272 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-10-17 10:56:04,274 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:56:04,275 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63b4e9e6-f704-4885-a119-3f46917bd92d/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:56:04,276 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63b4e9e6-f704-4885-a119-3f46917bd92d/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:56:04,280 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 [2022-10-17 10:56:04,289 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:56:04,290 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:56:04,290 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:56:04,290 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:56:04,299 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-10-17 10:56:04,299 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-10-17 10:56:04,305 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63b4e9e6-f704-4885-a119-3f46917bd92d/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-10-17 10:56:04,321 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:56:04,355 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63b4e9e6-f704-4885-a119-3f46917bd92d/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-10-17 10:56:04,355 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:56:04,355 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63b4e9e6-f704-4885-a119-3f46917bd92d/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:56:04,358 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63b4e9e6-f704-4885-a119-3f46917bd92d/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:56:04,364 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 [2022-10-17 10:56:04,364 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63b4e9e6-f704-4885-a119-3f46917bd92d/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-10-17 10:56:04,385 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:56:04,394 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:56:04,395 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:56:04,395 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:56:04,395 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:56:04,396 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:56:04,396 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:56:04,421 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:56:04,452 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63b4e9e6-f704-4885-a119-3f46917bd92d/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2022-10-17 10:56:04,452 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:56:04,452 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63b4e9e6-f704-4885-a119-3f46917bd92d/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:56:04,457 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63b4e9e6-f704-4885-a119-3f46917bd92d/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:56:04,488 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63b4e9e6-f704-4885-a119-3f46917bd92d/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-10-17 10:56:04,489 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-10-17 10:56:04,498 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:56:04,499 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:56:04,499 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:56:04,499 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:56:04,503 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-10-17 10:56:04,503 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-10-17 10:56:04,518 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:56:04,555 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63b4e9e6-f704-4885-a119-3f46917bd92d/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2022-10-17 10:56:04,555 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:56:04,556 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63b4e9e6-f704-4885-a119-3f46917bd92d/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:56:04,557 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63b4e9e6-f704-4885-a119-3f46917bd92d/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:56:04,568 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63b4e9e6-f704-4885-a119-3f46917bd92d/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-10-17 10:56:04,569 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 [2022-10-17 10:56:04,580 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:56:04,580 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:56:04,580 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:56:04,581 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:56:04,581 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:56:04,582 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:56:04,582 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:56:04,593 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:56:04,628 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63b4e9e6-f704-4885-a119-3f46917bd92d/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-10-17 10:56:04,628 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:56:04,628 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63b4e9e6-f704-4885-a119-3f46917bd92d/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:56:04,630 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63b4e9e6-f704-4885-a119-3f46917bd92d/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:56:04,642 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 [2022-10-17 10:56:04,643 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63b4e9e6-f704-4885-a119-3f46917bd92d/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-10-17 10:56:04,651 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:56:04,651 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:56:04,651 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:56:04,652 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:56:04,652 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:56:04,652 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:56:04,653 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:56:04,666 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:56:04,705 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63b4e9e6-f704-4885-a119-3f46917bd92d/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2022-10-17 10:56:04,705 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:56:04,705 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63b4e9e6-f704-4885-a119-3f46917bd92d/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:56:04,707 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63b4e9e6-f704-4885-a119-3f46917bd92d/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:56:04,717 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 [2022-10-17 10:56:04,727 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:56:04,727 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:56:04,727 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:56:04,728 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:56:04,731 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-10-17 10:56:04,731 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-10-17 10:56:04,736 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63b4e9e6-f704-4885-a119-3f46917bd92d/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-10-17 10:56:04,749 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:56:04,787 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63b4e9e6-f704-4885-a119-3f46917bd92d/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2022-10-17 10:56:04,787 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:56:04,788 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63b4e9e6-f704-4885-a119-3f46917bd92d/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:56:04,789 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63b4e9e6-f704-4885-a119-3f46917bd92d/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:56:04,795 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 [2022-10-17 10:56:04,804 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:56:04,804 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:56:04,804 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:56:04,804 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:56:04,804 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:56:04,805 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:56:04,805 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:56:04,804 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63b4e9e6-f704-4885-a119-3f46917bd92d/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-10-17 10:56:04,818 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:56:04,851 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63b4e9e6-f704-4885-a119-3f46917bd92d/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2022-10-17 10:56:04,852 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:56:04,852 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63b4e9e6-f704-4885-a119-3f46917bd92d/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:56:04,853 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63b4e9e6-f704-4885-a119-3f46917bd92d/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:56:04,854 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63b4e9e6-f704-4885-a119-3f46917bd92d/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-10-17 10:56:04,855 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 [2022-10-17 10:56:04,862 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:56:04,862 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:56:04,862 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:56:04,862 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:56:04,862 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:56:04,865 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:56:04,865 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:56:04,889 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:56:04,923 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63b4e9e6-f704-4885-a119-3f46917bd92d/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2022-10-17 10:56:04,923 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:56:04,923 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63b4e9e6-f704-4885-a119-3f46917bd92d/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:56:04,924 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63b4e9e6-f704-4885-a119-3f46917bd92d/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:56:04,929 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63b4e9e6-f704-4885-a119-3f46917bd92d/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-10-17 10:56:04,931 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 [2022-10-17 10:56:04,940 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:56:04,940 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:56:04,940 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:56:04,940 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:56:04,949 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-10-17 10:56:04,949 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-10-17 10:56:04,973 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:56:05,013 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63b4e9e6-f704-4885-a119-3f46917bd92d/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2022-10-17 10:56:05,013 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:56:05,013 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63b4e9e6-f704-4885-a119-3f46917bd92d/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:56:05,014 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63b4e9e6-f704-4885-a119-3f46917bd92d/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:56:05,023 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 [2022-10-17 10:56:05,037 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63b4e9e6-f704-4885-a119-3f46917bd92d/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2022-10-17 10:56:05,039 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:56:05,039 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:56:05,039 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:56:05,039 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:56:05,042 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-10-17 10:56:05,043 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-10-17 10:56:05,061 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:56:05,097 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63b4e9e6-f704-4885-a119-3f46917bd92d/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2022-10-17 10:56:05,098 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:56:05,098 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63b4e9e6-f704-4885-a119-3f46917bd92d/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:56:05,099 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63b4e9e6-f704-4885-a119-3f46917bd92d/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:56:05,105 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 [2022-10-17 10:56:05,113 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:56:05,113 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:56:05,114 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:56:05,114 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:56:05,116 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-10-17 10:56:05,116 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-10-17 10:56:05,120 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63b4e9e6-f704-4885-a119-3f46917bd92d/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2022-10-17 10:56:05,130 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:56:05,166 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63b4e9e6-f704-4885-a119-3f46917bd92d/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2022-10-17 10:56:05,166 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:56:05,166 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63b4e9e6-f704-4885-a119-3f46917bd92d/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:56:05,167 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63b4e9e6-f704-4885-a119-3f46917bd92d/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:56:05,172 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63b4e9e6-f704-4885-a119-3f46917bd92d/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2022-10-17 10:56:05,173 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 [2022-10-17 10:56:05,182 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:56:05,182 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:56:05,182 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:56:05,182 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:56:05,186 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-10-17 10:56:05,187 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-10-17 10:56:05,201 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:56:05,244 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63b4e9e6-f704-4885-a119-3f46917bd92d/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2022-10-17 10:56:05,244 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:56:05,244 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63b4e9e6-f704-4885-a119-3f46917bd92d/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:56:05,245 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63b4e9e6-f704-4885-a119-3f46917bd92d/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:56:05,251 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63b4e9e6-f704-4885-a119-3f46917bd92d/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2022-10-17 10:56:05,251 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 [2022-10-17 10:56:05,261 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:56:05,261 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:56:05,261 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:56:05,261 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:56:05,265 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-10-17 10:56:05,265 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-10-17 10:56:05,281 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:56:05,314 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63b4e9e6-f704-4885-a119-3f46917bd92d/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2022-10-17 10:56:05,314 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:56:05,315 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63b4e9e6-f704-4885-a119-3f46917bd92d/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:56:05,317 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63b4e9e6-f704-4885-a119-3f46917bd92d/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:56:05,321 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63b4e9e6-f704-4885-a119-3f46917bd92d/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2022-10-17 10:56:05,321 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-10-17 10:56:05,330 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:56:05,331 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:56:05,331 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:56:05,331 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:56:05,334 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-10-17 10:56:05,335 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-10-17 10:56:05,353 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:56:05,379 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63b4e9e6-f704-4885-a119-3f46917bd92d/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2022-10-17 10:56:05,379 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:56:05,379 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63b4e9e6-f704-4885-a119-3f46917bd92d/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:56:05,380 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63b4e9e6-f704-4885-a119-3f46917bd92d/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:56:05,382 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63b4e9e6-f704-4885-a119-3f46917bd92d/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2022-10-17 10:56:05,382 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-10-17 10:56:05,390 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:56:05,390 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:56:05,390 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:56:05,390 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:56:05,393 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-10-17 10:56:05,393 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-10-17 10:56:05,429 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:56:05,461 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63b4e9e6-f704-4885-a119-3f46917bd92d/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2022-10-17 10:56:05,461 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:56:05,462 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63b4e9e6-f704-4885-a119-3f46917bd92d/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:56:05,465 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63b4e9e6-f704-4885-a119-3f46917bd92d/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:56:05,473 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 [2022-10-17 10:56:05,482 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:56:05,482 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:56:05,482 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:56:05,482 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:56:05,482 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:56:05,483 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:56:05,483 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:56:05,484 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63b4e9e6-f704-4885-a119-3f46917bd92d/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2022-10-17 10:56:05,497 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:56:05,521 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63b4e9e6-f704-4885-a119-3f46917bd92d/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2022-10-17 10:56:05,521 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:56:05,521 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63b4e9e6-f704-4885-a119-3f46917bd92d/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:56:05,522 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63b4e9e6-f704-4885-a119-3f46917bd92d/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:56:05,523 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63b4e9e6-f704-4885-a119-3f46917bd92d/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2022-10-17 10:56:05,526 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-10-17 10:56:05,535 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:56:05,535 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:56:05,536 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:56:05,536 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:56:05,539 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-10-17 10:56:05,539 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-10-17 10:56:05,557 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:56:05,593 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63b4e9e6-f704-4885-a119-3f46917bd92d/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2022-10-17 10:56:05,594 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:56:05,594 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63b4e9e6-f704-4885-a119-3f46917bd92d/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:56:05,597 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63b4e9e6-f704-4885-a119-3f46917bd92d/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:56:05,605 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 [2022-10-17 10:56:05,614 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:56:05,614 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:56:05,614 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:56:05,614 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:56:05,614 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:56:05,615 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:56:05,615 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:56:05,616 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63b4e9e6-f704-4885-a119-3f46917bd92d/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2022-10-17 10:56:05,630 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:56:05,668 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63b4e9e6-f704-4885-a119-3f46917bd92d/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2022-10-17 10:56:05,669 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:56:05,669 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63b4e9e6-f704-4885-a119-3f46917bd92d/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:56:05,670 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63b4e9e6-f704-4885-a119-3f46917bd92d/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:56:05,675 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63b4e9e6-f704-4885-a119-3f46917bd92d/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2022-10-17 10:56:05,676 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 [2022-10-17 10:56:05,685 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:56:05,686 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:56:05,686 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:56:05,686 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:56:05,690 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-10-17 10:56:05,690 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-10-17 10:56:05,700 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:56:05,737 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63b4e9e6-f704-4885-a119-3f46917bd92d/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2022-10-17 10:56:05,737 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:56:05,737 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63b4e9e6-f704-4885-a119-3f46917bd92d/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:56:05,741 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63b4e9e6-f704-4885-a119-3f46917bd92d/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:56:05,752 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-10-17 10:56:05,761 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:56:05,762 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:56:05,762 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:56:05,762 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:56:05,766 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-10-17 10:56:05,766 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-10-17 10:56:05,776 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63b4e9e6-f704-4885-a119-3f46917bd92d/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2022-10-17 10:56:05,781 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-10-17 10:56:05,830 INFO L443 ModelExtractionUtils]: Simplification made 12 calls to the SMT solver. [2022-10-17 10:56:05,830 INFO L444 ModelExtractionUtils]: 0 out of 13 variables were initially zero. Simplification set additionally 10 variables to zero. [2022-10-17 10:56:05,832 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:56:05,832 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63b4e9e6-f704-4885-a119-3f46917bd92d/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:56:05,833 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63b4e9e6-f704-4885-a119-3f46917bd92d/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:56:05,837 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63b4e9e6-f704-4885-a119-3f46917bd92d/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2022-10-17 10:56:05,837 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-10-17 10:56:05,882 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-10-17 10:56:05,883 INFO L513 LassoAnalysis]: Proved termination. [2022-10-17 10:56:05,883 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1, v_rep(select #length ULTIMATE.start_main_~#aa~0#1.base)_1) = -8*ULTIMATE.start_main_~i~0#1 + 199999*v_rep(select #length ULTIMATE.start_main_~#aa~0#1.base)_1 Supporting invariants [] [2022-10-17 10:56:05,912 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63b4e9e6-f704-4885-a119-3f46917bd92d/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2022-10-17 10:56:05,952 INFO L156 tatePredicateManager]: 5 out of 5 supporting invariants were superfluous and have been removed [2022-10-17 10:56:05,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:56:06,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:56:06,016 INFO L263 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 2 conjunts are in the unsatisfiable core [2022-10-17 10:56:06,017 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 10:56:06,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:56:06,036 INFO L263 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 6 conjunts are in the unsatisfiable core [2022-10-17 10:56:06,038 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 10:56:06,082 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:56:06,137 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 [2022-10-17 10:56:06,139 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 16 states, 15 states have (on average 1.4666666666666666) internal successors, (22), 15 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) 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) [2022-10-17 10:56:06,208 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 16 states, 15 states have (on average 1.4666666666666666) internal successors, (22), 15 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). 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 40 states and 56 transitions. Complement of second has 8 states. [2022-10-17 10:56:06,211 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 [2022-10-17 10:56:06,216 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) [2022-10-17 10:56:06,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 35 transitions. [2022-10-17 10:56:06,218 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 35 transitions. Stem has 2 letters. Loop has 2 letters. [2022-10-17 10:56:06,218 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-10-17 10:56:06,219 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 35 transitions. Stem has 4 letters. Loop has 2 letters. [2022-10-17 10:56:06,219 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-10-17 10:56:06,219 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 35 transitions. Stem has 2 letters. Loop has 4 letters. [2022-10-17 10:56:06,219 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-10-17 10:56:06,220 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 40 states and 56 transitions. [2022-10-17 10:56:06,224 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2022-10-17 10:56:06,228 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 40 states to 13 states and 16 transitions. [2022-10-17 10:56:06,229 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2022-10-17 10:56:06,229 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2022-10-17 10:56:06,230 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 16 transitions. [2022-10-17 10:56:06,230 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-10-17 10:56:06,230 INFO L218 hiAutomatonCegarLoop]: Abstraction has 13 states and 16 transitions. [2022-10-17 10:56:06,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states and 16 transitions. [2022-10-17 10:56:06,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 12. [2022-10-17 10:56:06,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 12 states have (on average 1.25) internal successors, (15), 11 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:56:06,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 15 transitions. [2022-10-17 10:56:06,260 INFO L240 hiAutomatonCegarLoop]: Abstraction has 12 states and 15 transitions. [2022-10-17 10:56:06,260 INFO L428 stractBuchiCegarLoop]: Abstraction has 12 states and 15 transitions. [2022-10-17 10:56:06,260 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-10-17 10:56:06,260 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states and 15 transitions. [2022-10-17 10:56:06,261 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2022-10-17 10:56:06,261 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-10-17 10:56:06,261 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-10-17 10:56:06,261 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2022-10-17 10:56:06,261 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-10-17 10:56:06,262 INFO L748 eck$LassoCheckResult]: Stem: 117#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;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(25, 2); 118#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~post1#1, main_~i~0#1, main_#t~post4#1, main_#t~mem3#1, main_#t~mem6#1, main_#t~post5#1, main_~#aa~0#1.base, main_~#aa~0#1.offset, main_~a~0#1, main_~x~0#1;call main_~#aa~0#1.base, main_~#aa~0#1.offset := #Ultimate.allocOnStack(400000);main_~a~0#1 := 0;main_~i~0#1 := 0; 122#L20-3 assume !(main_~i~0#1 < 100000); 115#L25-2 [2022-10-17 10:56:06,262 INFO L750 eck$LassoCheckResult]: Loop: 115#L25-2 call main_#t~mem3#1 := read~int(main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~a~0#1, 4); 116#L25 assume !!(main_#t~mem3#1 >= 0);havoc main_#t~mem3#1;main_#t~post4#1 := main_~a~0#1;main_~a~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 115#L25-2 [2022-10-17 10:56:06,262 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:56:06,262 INFO L85 PathProgramCache]: Analyzing trace with hash 29861, now seen corresponding path program 1 times [2022-10-17 10:56:06,263 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:56:06,263 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [977132127] [2022-10-17 10:56:06,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:56:06,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:56:06,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:56:06,332 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:56:06,333 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:56:06,333 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [977132127] [2022-10-17 10:56:06,334 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [977132127] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:56:06,334 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:56:06,334 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-17 10:56:06,335 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [134244347] [2022-10-17 10:56:06,335 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:56:06,338 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-10-17 10:56:06,338 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:56:06,338 INFO L85 PathProgramCache]: Analyzing trace with hash 1574, now seen corresponding path program 1 times [2022-10-17 10:56:06,339 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:56:06,339 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [67214385] [2022-10-17 10:56:06,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:56:06,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:56:06,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:56:06,346 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:56:06,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:56:06,353 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:56:06,389 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:56:06,391 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-17 10:56:06,392 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-17 10:56:06,393 INFO L87 Difference]: Start difference. First operand 12 states and 15 transitions. cyclomatic complexity: 6 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) [2022-10-17 10:56:06,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:56:06,405 INFO L93 Difference]: Finished difference Result 13 states and 15 transitions. [2022-10-17 10:56:06,405 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 13 states and 15 transitions. [2022-10-17 10:56:06,406 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2022-10-17 10:56:06,407 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 13 states to 13 states and 15 transitions. [2022-10-17 10:56:06,407 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2022-10-17 10:56:06,408 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2022-10-17 10:56:06,408 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 15 transitions. [2022-10-17 10:56:06,408 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-10-17 10:56:06,408 INFO L218 hiAutomatonCegarLoop]: Abstraction has 13 states and 15 transitions. [2022-10-17 10:56:06,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states and 15 transitions. [2022-10-17 10:56:06,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 12. [2022-10-17 10:56:06,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 12 states have (on average 1.1666666666666667) internal successors, (14), 11 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) [2022-10-17 10:56:06,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 14 transitions. [2022-10-17 10:56:06,411 INFO L240 hiAutomatonCegarLoop]: Abstraction has 12 states and 14 transitions. [2022-10-17 10:56:06,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-17 10:56:06,412 INFO L428 stractBuchiCegarLoop]: Abstraction has 12 states and 14 transitions. [2022-10-17 10:56:06,412 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-10-17 10:56:06,413 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states and 14 transitions. [2022-10-17 10:56:06,413 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2022-10-17 10:56:06,413 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-10-17 10:56:06,414 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-10-17 10:56:06,414 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2022-10-17 10:56:06,414 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-10-17 10:56:06,414 INFO L748 eck$LassoCheckResult]: Stem: 148#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(25, 2); 149#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~post1#1, main_~i~0#1, main_#t~post4#1, main_#t~mem3#1, main_#t~mem6#1, main_#t~post5#1, main_~#aa~0#1.base, main_~#aa~0#1.offset, main_~a~0#1, main_~x~0#1;call main_~#aa~0#1.base, main_~#aa~0#1.offset := #Ultimate.allocOnStack(400000);main_~a~0#1 := 0;main_~i~0#1 := 0; 153#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet2#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet2#1; 154#L20-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 155#L20-3 assume !(main_~i~0#1 < 100000); 146#L25-2 [2022-10-17 10:56:06,415 INFO L750 eck$LassoCheckResult]: Loop: 146#L25-2 call main_#t~mem3#1 := read~int(main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~a~0#1, 4); 147#L25 assume !!(main_#t~mem3#1 >= 0);havoc main_#t~mem3#1;main_#t~post4#1 := main_~a~0#1;main_~a~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 146#L25-2 [2022-10-17 10:56:06,415 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:56:06,415 INFO L85 PathProgramCache]: Analyzing trace with hash 28698723, now seen corresponding path program 1 times [2022-10-17 10:56:06,416 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:56:06,416 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [38976445] [2022-10-17 10:56:06,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:56:06,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:56:06,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:56:06,483 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:56:06,483 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:56:06,483 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [38976445] [2022-10-17 10:56:06,484 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [38976445] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-17 10:56:06,484 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [238906382] [2022-10-17 10:56:06,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:56:06,484 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-17 10:56:06,485 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63b4e9e6-f704-4885-a119-3f46917bd92d/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:56:06,486 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63b4e9e6-f704-4885-a119-3f46917bd92d/bin/uautomizer-J5u9QxTXDZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-17 10:56:06,506 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63b4e9e6-f704-4885-a119-3f46917bd92d/bin/uautomizer-J5u9QxTXDZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2022-10-17 10:56:06,538 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63b4e9e6-f704-4885-a119-3f46917bd92d/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2022-10-17 10:56:06,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:56:06,574 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-17 10:56:06,575 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 10:56:06,597 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:56:06,598 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-17 10:56:06,623 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:56:06,625 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [238906382] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-17 10:56:06,625 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-17 10:56:06,625 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2022-10-17 10:56:06,626 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [735768902] [2022-10-17 10:56:06,627 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-17 10:56:06,630 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-10-17 10:56:06,631 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:56:06,632 INFO L85 PathProgramCache]: Analyzing trace with hash 1574, now seen corresponding path program 2 times [2022-10-17 10:56:06,632 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:56:06,632 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1651797317] [2022-10-17 10:56:06,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:56:06,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:56:06,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:56:06,642 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:56:06,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:56:06,652 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:56:06,698 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:56:06,699 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-17 10:56:06,700 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2022-10-17 10:56:06,701 INFO L87 Difference]: Start difference. First operand 12 states and 14 transitions. cyclomatic complexity: 5 Second operand has 7 states, 6 states have (on average 2.0) 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) [2022-10-17 10:56:06,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:56:06,734 INFO L93 Difference]: Finished difference Result 18 states and 20 transitions. [2022-10-17 10:56:06,734 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 18 states and 20 transitions. [2022-10-17 10:56:06,738 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2022-10-17 10:56:06,739 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 18 states to 18 states and 20 transitions. [2022-10-17 10:56:06,739 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2022-10-17 10:56:06,741 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2022-10-17 10:56:06,741 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 20 transitions. [2022-10-17 10:56:06,741 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-10-17 10:56:06,741 INFO L218 hiAutomatonCegarLoop]: Abstraction has 18 states and 20 transitions. [2022-10-17 10:56:06,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states and 20 transitions. [2022-10-17 10:56:06,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2022-10-17 10:56:06,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 18 states have (on average 1.1111111111111112) internal successors, (20), 17 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) [2022-10-17 10:56:06,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 20 transitions. [2022-10-17 10:56:06,749 INFO L240 hiAutomatonCegarLoop]: Abstraction has 18 states and 20 transitions. [2022-10-17 10:56:06,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-17 10:56:06,752 INFO L428 stractBuchiCegarLoop]: Abstraction has 18 states and 20 transitions. [2022-10-17 10:56:06,752 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2022-10-17 10:56:06,753 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states and 20 transitions. [2022-10-17 10:56:06,756 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2022-10-17 10:56:06,756 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-10-17 10:56:06,756 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-10-17 10:56:06,757 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [4, 4, 1, 1, 1] [2022-10-17 10:56:06,757 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-10-17 10:56:06,758 INFO L748 eck$LassoCheckResult]: Stem: 212#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;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(25, 2); 213#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~post1#1, main_~i~0#1, main_#t~post4#1, main_#t~mem3#1, main_#t~mem6#1, main_#t~post5#1, main_~#aa~0#1.base, main_~#aa~0#1.offset, main_~a~0#1, main_~x~0#1;call main_~#aa~0#1.base, main_~#aa~0#1.offset := #Ultimate.allocOnStack(400000);main_~a~0#1 := 0;main_~i~0#1 := 0; 217#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet2#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet2#1; 218#L20-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 219#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet2#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet2#1; 220#L20-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 227#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet2#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet2#1; 226#L20-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 225#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet2#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet2#1; 224#L20-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 223#L20-3 assume !(main_~i~0#1 < 100000); 210#L25-2 [2022-10-17 10:56:06,758 INFO L750 eck$LassoCheckResult]: Loop: 210#L25-2 call main_#t~mem3#1 := read~int(main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~a~0#1, 4); 211#L25 assume !!(main_#t~mem3#1 >= 0);havoc main_#t~mem3#1;main_#t~post4#1 := main_~a~0#1;main_~a~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 210#L25-2 [2022-10-17 10:56:06,759 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:56:06,759 INFO L85 PathProgramCache]: Analyzing trace with hash -1081477475, now seen corresponding path program 2 times [2022-10-17 10:56:06,759 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:56:06,759 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1090811909] [2022-10-17 10:56:06,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:56:06,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:56:06,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:56:06,950 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:56:06,950 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:56:06,950 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1090811909] [2022-10-17 10:56:06,950 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1090811909] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-17 10:56:06,950 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [207614833] [2022-10-17 10:56:06,951 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-10-17 10:56:06,951 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-17 10:56:06,951 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63b4e9e6-f704-4885-a119-3f46917bd92d/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:56:06,952 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63b4e9e6-f704-4885-a119-3f46917bd92d/bin/uautomizer-J5u9QxTXDZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-17 10:56:06,972 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63b4e9e6-f704-4885-a119-3f46917bd92d/bin/uautomizer-J5u9QxTXDZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2022-10-17 10:56:07,011 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-10-17 10:56:07,011 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-10-17 10:56:07,012 INFO L263 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 6 conjunts are in the unsatisfiable core [2022-10-17 10:56:07,013 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 10:56:07,043 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:56:07,043 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-17 10:56:07,121 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:56:07,121 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [207614833] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-17 10:56:07,121 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-17 10:56:07,121 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 12 [2022-10-17 10:56:07,122 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [490415642] [2022-10-17 10:56:07,122 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-17 10:56:07,122 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-10-17 10:56:07,123 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:56:07,123 INFO L85 PathProgramCache]: Analyzing trace with hash 1574, now seen corresponding path program 3 times [2022-10-17 10:56:07,123 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:56:07,123 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [829385982] [2022-10-17 10:56:07,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:56:07,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:56:07,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:56:07,128 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:56:07,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:56:07,135 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:56:07,170 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:56:07,172 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-10-17 10:56:07,172 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2022-10-17 10:56:07,172 INFO L87 Difference]: Start difference. First operand 18 states and 20 transitions. cyclomatic complexity: 5 Second operand has 13 states, 12 states have (on average 2.0) internal successors, (24), 13 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) [2022-10-17 10:56:07,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:56:07,228 INFO L93 Difference]: Finished difference Result 30 states and 32 transitions. [2022-10-17 10:56:07,228 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 30 states and 32 transitions. [2022-10-17 10:56:07,231 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2022-10-17 10:56:07,232 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 30 states to 30 states and 32 transitions. [2022-10-17 10:56:07,233 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2022-10-17 10:56:07,233 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2022-10-17 10:56:07,233 INFO L73 IsDeterministic]: Start isDeterministic. Operand 30 states and 32 transitions. [2022-10-17 10:56:07,233 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-10-17 10:56:07,233 INFO L218 hiAutomatonCegarLoop]: Abstraction has 30 states and 32 transitions. [2022-10-17 10:56:07,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states and 32 transitions. [2022-10-17 10:56:07,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2022-10-17 10:56:07,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 30 states have (on average 1.0666666666666667) internal successors, (32), 29 states have internal predecessors, (32), 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) [2022-10-17 10:56:07,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 32 transitions. [2022-10-17 10:56:07,244 INFO L240 hiAutomatonCegarLoop]: Abstraction has 30 states and 32 transitions. [2022-10-17 10:56:07,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-10-17 10:56:07,246 INFO L428 stractBuchiCegarLoop]: Abstraction has 30 states and 32 transitions. [2022-10-17 10:56:07,246 INFO L335 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2022-10-17 10:56:07,246 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 30 states and 32 transitions. [2022-10-17 10:56:07,248 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2022-10-17 10:56:07,248 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-10-17 10:56:07,248 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-10-17 10:56:07,250 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [10, 10, 1, 1, 1] [2022-10-17 10:56:07,250 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-10-17 10:56:07,250 INFO L748 eck$LassoCheckResult]: Stem: 339#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;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(25, 2); 340#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~post1#1, main_~i~0#1, main_#t~post4#1, main_#t~mem3#1, main_#t~mem6#1, main_#t~post5#1, main_~#aa~0#1.base, main_~#aa~0#1.offset, main_~a~0#1, main_~x~0#1;call main_~#aa~0#1.base, main_~#aa~0#1.offset := #Ultimate.allocOnStack(400000);main_~a~0#1 := 0;main_~i~0#1 := 0; 341#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet2#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet2#1; 342#L20-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 343#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet2#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet2#1; 344#L20-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 345#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet2#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet2#1; 363#L20-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 362#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet2#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet2#1; 361#L20-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 360#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet2#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet2#1; 359#L20-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 358#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet2#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet2#1; 357#L20-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 356#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet2#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet2#1; 355#L20-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 354#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet2#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet2#1; 353#L20-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 352#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet2#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet2#1; 351#L20-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 350#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet2#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet2#1; 349#L20-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 348#L20-3 assume !(main_~i~0#1 < 100000); 334#L25-2 [2022-10-17 10:56:07,251 INFO L750 eck$LassoCheckResult]: Loop: 334#L25-2 call main_#t~mem3#1 := read~int(main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~a~0#1, 4); 335#L25 assume !!(main_#t~mem3#1 >= 0);havoc main_#t~mem3#1;main_#t~post4#1 := main_~a~0#1;main_~a~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 334#L25-2 [2022-10-17 10:56:07,251 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:56:07,251 INFO L85 PathProgramCache]: Analyzing trace with hash 899905681, now seen corresponding path program 3 times [2022-10-17 10:56:07,251 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:56:07,251 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1979653140] [2022-10-17 10:56:07,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:56:07,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:56:07,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:56:07,672 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:56:07,672 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:56:07,673 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1979653140] [2022-10-17 10:56:07,673 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1979653140] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-17 10:56:07,673 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [718404777] [2022-10-17 10:56:07,673 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-10-17 10:56:07,674 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-17 10:56:07,675 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63b4e9e6-f704-4885-a119-3f46917bd92d/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:56:07,698 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63b4e9e6-f704-4885-a119-3f46917bd92d/bin/uautomizer-J5u9QxTXDZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-17 10:56:07,713 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63b4e9e6-f704-4885-a119-3f46917bd92d/bin/uautomizer-J5u9QxTXDZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2022-10-17 10:56:07,837 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2022-10-17 10:56:07,837 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-10-17 10:56:07,839 INFO L263 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 12 conjunts are in the unsatisfiable core [2022-10-17 10:56:07,841 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 10:56:07,906 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:56:07,907 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-17 10:56:08,141 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:56:08,141 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [718404777] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-17 10:56:08,141 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-17 10:56:08,141 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 24 [2022-10-17 10:56:08,142 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1780107233] [2022-10-17 10:56:08,142 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-17 10:56:08,142 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-10-17 10:56:08,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:56:08,142 INFO L85 PathProgramCache]: Analyzing trace with hash 1574, now seen corresponding path program 4 times [2022-10-17 10:56:08,142 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:56:08,143 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [811320755] [2022-10-17 10:56:08,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:56:08,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:56:08,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:56:08,145 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:56:08,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:56:08,149 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:56:08,178 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:56:08,179 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-10-17 10:56:08,180 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=300, Invalid=300, Unknown=0, NotChecked=0, Total=600 [2022-10-17 10:56:08,180 INFO L87 Difference]: Start difference. First operand 30 states and 32 transitions. cyclomatic complexity: 5 Second operand has 25 states, 24 states have (on average 2.0) internal successors, (48), 25 states have internal predecessors, (48), 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) [2022-10-17 10:56:08,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:56:08,261 INFO L93 Difference]: Finished difference Result 54 states and 56 transitions. [2022-10-17 10:56:08,261 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 54 states and 56 transitions. [2022-10-17 10:56:08,263 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2022-10-17 10:56:08,263 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 54 states to 54 states and 56 transitions. [2022-10-17 10:56:08,264 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2022-10-17 10:56:08,264 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2022-10-17 10:56:08,264 INFO L73 IsDeterministic]: Start isDeterministic. Operand 54 states and 56 transitions. [2022-10-17 10:56:08,264 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-10-17 10:56:08,264 INFO L218 hiAutomatonCegarLoop]: Abstraction has 54 states and 56 transitions. [2022-10-17 10:56:08,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states and 56 transitions. [2022-10-17 10:56:08,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2022-10-17 10:56:08,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 54 states have (on average 1.037037037037037) internal successors, (56), 53 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) [2022-10-17 10:56:08,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 56 transitions. [2022-10-17 10:56:08,269 INFO L240 hiAutomatonCegarLoop]: Abstraction has 54 states and 56 transitions. [2022-10-17 10:56:08,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-10-17 10:56:08,270 INFO L428 stractBuchiCegarLoop]: Abstraction has 54 states and 56 transitions. [2022-10-17 10:56:08,270 INFO L335 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2022-10-17 10:56:08,270 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 54 states and 56 transitions. [2022-10-17 10:56:08,271 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2022-10-17 10:56:08,271 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-10-17 10:56:08,271 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-10-17 10:56:08,273 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [22, 22, 1, 1, 1] [2022-10-17 10:56:08,273 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-10-17 10:56:08,273 INFO L748 eck$LassoCheckResult]: Stem: 580#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;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(25, 2); 581#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~post1#1, main_~i~0#1, main_#t~post4#1, main_#t~mem3#1, main_#t~mem6#1, main_#t~post5#1, main_~#aa~0#1.base, main_~#aa~0#1.offset, main_~a~0#1, main_~x~0#1;call main_~#aa~0#1.base, main_~#aa~0#1.offset := #Ultimate.allocOnStack(400000);main_~a~0#1 := 0;main_~i~0#1 := 0; 585#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet2#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet2#1; 586#L20-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 587#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet2#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet2#1; 588#L20-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 589#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet2#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet2#1; 631#L20-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 630#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet2#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet2#1; 629#L20-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 628#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet2#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet2#1; 627#L20-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 626#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet2#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet2#1; 625#L20-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 624#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet2#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet2#1; 623#L20-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 622#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet2#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet2#1; 621#L20-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 620#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet2#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet2#1; 619#L20-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 618#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet2#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet2#1; 617#L20-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 616#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet2#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet2#1; 615#L20-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 614#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet2#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet2#1; 613#L20-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 612#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet2#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet2#1; 611#L20-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 610#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet2#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet2#1; 609#L20-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 608#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet2#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet2#1; 607#L20-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 606#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet2#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet2#1; 605#L20-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 604#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet2#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet2#1; 603#L20-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 602#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet2#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet2#1; 601#L20-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 600#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet2#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet2#1; 599#L20-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 598#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet2#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet2#1; 597#L20-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 596#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet2#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet2#1; 595#L20-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 594#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet2#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet2#1; 593#L20-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 592#L20-3 assume !(main_~i~0#1 < 100000); 578#L25-2 [2022-10-17 10:56:08,273 INFO L750 eck$LassoCheckResult]: Loop: 578#L25-2 call main_#t~mem3#1 := read~int(main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~a~0#1, 4); 579#L25 assume !!(main_#t~mem3#1 >= 0);havoc main_#t~mem3#1;main_#t~post4#1 := main_~a~0#1;main_~a~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 578#L25-2 [2022-10-17 10:56:08,274 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:56:08,274 INFO L85 PathProgramCache]: Analyzing trace with hash -111832455, now seen corresponding path program 4 times [2022-10-17 10:56:08,274 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:56:08,274 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [818091602] [2022-10-17 10:56:08,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:56:08,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:56:08,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:56:08,883 INFO L134 CoverageAnalysis]: Checked inductivity of 484 backedges. 0 proven. 484 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:56:08,883 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:56:08,883 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [818091602] [2022-10-17 10:56:08,884 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [818091602] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-17 10:56:08,884 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [33444147] [2022-10-17 10:56:08,884 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-10-17 10:56:08,884 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-17 10:56:08,884 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63b4e9e6-f704-4885-a119-3f46917bd92d/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:56:08,886 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63b4e9e6-f704-4885-a119-3f46917bd92d/bin/uautomizer-J5u9QxTXDZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-17 10:56:08,901 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63b4e9e6-f704-4885-a119-3f46917bd92d/bin/uautomizer-J5u9QxTXDZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2022-10-17 10:56:08,999 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-10-17 10:56:08,999 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-10-17 10:56:09,001 INFO L263 TraceCheckSpWp]: Trace formula consists of 280 conjuncts, 24 conjunts are in the unsatisfiable core [2022-10-17 10:56:09,006 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 10:56:09,120 INFO L134 CoverageAnalysis]: Checked inductivity of 484 backedges. 0 proven. 484 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:56:09,120 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-17 10:56:09,963 INFO L134 CoverageAnalysis]: Checked inductivity of 484 backedges. 0 proven. 484 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:56:09,963 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [33444147] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-17 10:56:09,964 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-17 10:56:09,964 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 24, 24] total 48 [2022-10-17 10:56:09,964 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [657709737] [2022-10-17 10:56:09,964 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-17 10:56:09,965 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-10-17 10:56:09,965 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:56:09,965 INFO L85 PathProgramCache]: Analyzing trace with hash 1574, now seen corresponding path program 5 times [2022-10-17 10:56:09,965 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:56:09,965 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1133937901] [2022-10-17 10:56:09,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:56:09,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:56:09,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:56:09,970 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:56:09,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:56:09,975 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:56:10,013 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:56:10,015 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2022-10-17 10:56:10,016 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1176, Invalid=1176, Unknown=0, NotChecked=0, Total=2352 [2022-10-17 10:56:10,017 INFO L87 Difference]: Start difference. First operand 54 states and 56 transitions. cyclomatic complexity: 5 Second operand has 49 states, 48 states have (on average 2.0) internal successors, (96), 49 states have internal predecessors, (96), 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) [2022-10-17 10:56:10,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:56:10,244 INFO L93 Difference]: Finished difference Result 102 states and 104 transitions. [2022-10-17 10:56:10,245 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 102 states and 104 transitions. [2022-10-17 10:56:10,247 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2022-10-17 10:56:10,249 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 102 states to 102 states and 104 transitions. [2022-10-17 10:56:10,249 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2022-10-17 10:56:10,249 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2022-10-17 10:56:10,249 INFO L73 IsDeterministic]: Start isDeterministic. Operand 102 states and 104 transitions. [2022-10-17 10:56:10,250 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-10-17 10:56:10,251 INFO L218 hiAutomatonCegarLoop]: Abstraction has 102 states and 104 transitions. [2022-10-17 10:56:10,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states and 104 transitions. [2022-10-17 10:56:10,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 102. [2022-10-17 10:56:10,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 102 states, 102 states have (on average 1.0196078431372548) internal successors, (104), 101 states have internal predecessors, (104), 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) [2022-10-17 10:56:10,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 104 transitions. [2022-10-17 10:56:10,259 INFO L240 hiAutomatonCegarLoop]: Abstraction has 102 states and 104 transitions. [2022-10-17 10:56:10,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2022-10-17 10:56:10,260 INFO L428 stractBuchiCegarLoop]: Abstraction has 102 states and 104 transitions. [2022-10-17 10:56:10,261 INFO L335 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2022-10-17 10:56:10,261 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 102 states and 104 transitions. [2022-10-17 10:56:10,262 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2022-10-17 10:56:10,262 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-10-17 10:56:10,263 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-10-17 10:56:10,267 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [46, 46, 1, 1, 1] [2022-10-17 10:56:10,267 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-10-17 10:56:10,267 INFO L748 eck$LassoCheckResult]: Stem: 1067#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;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(25, 2); 1068#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~post1#1, main_~i~0#1, main_#t~post4#1, main_#t~mem3#1, main_#t~mem6#1, main_#t~post5#1, main_~#aa~0#1.base, main_~#aa~0#1.offset, main_~a~0#1, main_~x~0#1;call main_~#aa~0#1.base, main_~#aa~0#1.offset := #Ultimate.allocOnStack(400000);main_~a~0#1 := 0;main_~i~0#1 := 0; 1069#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet2#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet2#1; 1070#L20-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 1071#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet2#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet2#1; 1072#L20-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 1073#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet2#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet2#1; 1163#L20-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 1162#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet2#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet2#1; 1161#L20-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 1160#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet2#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet2#1; 1159#L20-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 1158#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet2#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet2#1; 1157#L20-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 1156#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet2#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet2#1; 1155#L20-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 1154#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet2#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet2#1; 1153#L20-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 1152#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet2#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet2#1; 1151#L20-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 1150#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet2#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet2#1; 1149#L20-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 1148#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet2#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet2#1; 1147#L20-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 1146#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet2#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet2#1; 1145#L20-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 1144#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet2#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet2#1; 1143#L20-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 1142#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet2#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet2#1; 1141#L20-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 1140#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet2#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet2#1; 1139#L20-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 1138#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet2#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet2#1; 1137#L20-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 1136#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet2#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet2#1; 1135#L20-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 1134#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet2#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet2#1; 1133#L20-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 1132#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet2#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet2#1; 1131#L20-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 1130#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet2#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet2#1; 1129#L20-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 1128#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet2#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet2#1; 1127#L20-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 1126#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet2#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet2#1; 1125#L20-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 1124#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet2#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet2#1; 1123#L20-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 1122#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet2#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet2#1; 1121#L20-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 1120#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet2#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet2#1; 1119#L20-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 1118#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet2#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet2#1; 1117#L20-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 1116#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet2#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet2#1; 1115#L20-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 1114#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet2#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet2#1; 1113#L20-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 1112#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet2#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet2#1; 1111#L20-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 1110#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet2#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet2#1; 1109#L20-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 1108#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet2#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet2#1; 1107#L20-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 1106#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet2#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet2#1; 1105#L20-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 1104#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet2#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet2#1; 1103#L20-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 1102#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet2#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet2#1; 1101#L20-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 1100#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet2#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet2#1; 1099#L20-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 1098#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet2#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet2#1; 1097#L20-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 1096#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet2#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet2#1; 1095#L20-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 1094#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet2#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet2#1; 1093#L20-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 1092#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet2#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet2#1; 1091#L20-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 1090#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet2#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet2#1; 1089#L20-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 1088#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet2#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet2#1; 1087#L20-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 1086#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet2#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet2#1; 1085#L20-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 1084#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet2#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet2#1; 1083#L20-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 1082#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet2#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet2#1; 1081#L20-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 1080#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet2#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet2#1; 1079#L20-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 1078#L20-3 assume !!(main_~i~0#1 < 100000);call write~int(main_#t~nondet2#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet2#1; 1077#L20-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 1076#L20-3 assume !(main_~i~0#1 < 100000); 1062#L25-2 [2022-10-17 10:56:10,268 INFO L750 eck$LassoCheckResult]: Loop: 1062#L25-2 call main_#t~mem3#1 := read~int(main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~a~0#1, 4); 1063#L25 assume !!(main_#t~mem3#1 >= 0);havoc main_#t~mem3#1;main_#t~post4#1 := main_~a~0#1;main_~a~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 1062#L25-2 [2022-10-17 10:56:10,268 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:56:10,268 INFO L85 PathProgramCache]: Analyzing trace with hash -1497227703, now seen corresponding path program 5 times [2022-10-17 10:56:10,268 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:56:10,269 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2081997346] [2022-10-17 10:56:10,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:56:10,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:56:10,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:56:12,606 INFO L134 CoverageAnalysis]: Checked inductivity of 2116 backedges. 0 proven. 2116 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:56:12,607 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:56:12,607 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2081997346] [2022-10-17 10:56:12,607 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2081997346] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-17 10:56:12,607 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [616956685] [2022-10-17 10:56:12,607 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-10-17 10:56:12,607 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-17 10:56:12,607 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63b4e9e6-f704-4885-a119-3f46917bd92d/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:56:12,613 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63b4e9e6-f704-4885-a119-3f46917bd92d/bin/uautomizer-J5u9QxTXDZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-17 10:56:12,632 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63b4e9e6-f704-4885-a119-3f46917bd92d/bin/uautomizer-J5u9QxTXDZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2022-10-17 10:56:38,392 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 47 check-sat command(s) [2022-10-17 10:56:38,393 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-10-17 10:56:38,432 INFO L263 TraceCheckSpWp]: Trace formula consists of 544 conjuncts, 48 conjunts are in the unsatisfiable core [2022-10-17 10:56:38,438 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 10:56:38,624 INFO L134 CoverageAnalysis]: Checked inductivity of 2116 backedges. 0 proven. 2116 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:56:38,624 INFO L328 TraceCheckSpWp]: Computing backward predicates...