./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/bitvector-loops/verisec_sendmail_tTflag_arr_one_loop.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 8393723b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b61b1b16-18e4-4ade-8556-c7f0f308a437/bin/uautomizer-TMbwUNV5ro/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b61b1b16-18e4-4ade-8556-c7f0f308a437/bin/uautomizer-TMbwUNV5ro/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b61b1b16-18e4-4ade-8556-c7f0f308a437/bin/uautomizer-TMbwUNV5ro/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b61b1b16-18e4-4ade-8556-c7f0f308a437/bin/uautomizer-TMbwUNV5ro/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/bitvector-loops/verisec_sendmail_tTflag_arr_one_loop.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b61b1b16-18e4-4ade-8556-c7f0f308a437/bin/uautomizer-TMbwUNV5ro/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b61b1b16-18e4-4ade-8556-c7f0f308a437/bin/uautomizer-TMbwUNV5ro --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 bec73cbd355af8995620266d1bb50e13212a1740ed8bd583620b6985b8fd569c --- 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-8393723 [2022-11-18 21:00:19,273 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 21:00:19,276 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 21:00:19,325 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 21:00:19,327 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 21:00:19,330 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 21:00:19,332 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 21:00:19,338 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 21:00:19,344 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 21:00:19,349 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 21:00:19,350 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 21:00:19,352 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 21:00:19,354 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 21:00:19,357 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 21:00:19,359 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 21:00:19,361 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 21:00:19,363 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 21:00:19,369 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 21:00:19,371 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 21:00:19,373 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 21:00:19,378 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 21:00:19,380 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 21:00:19,382 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 21:00:19,384 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 21:00:19,393 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 21:00:19,395 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 21:00:19,395 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 21:00:19,396 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 21:00:19,398 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 21:00:19,400 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 21:00:19,400 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 21:00:19,402 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 21:00:19,404 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 21:00:19,407 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 21:00:19,410 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 21:00:19,410 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 21:00:19,411 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 21:00:19,412 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 21:00:19,412 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 21:00:19,414 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 21:00:19,415 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 21:00:19,416 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b61b1b16-18e4-4ade-8556-c7f0f308a437/bin/uautomizer-TMbwUNV5ro/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-11-18 21:00:19,470 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 21:00:19,470 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 21:00:19,471 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 21:00:19,471 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 21:00:19,473 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 21:00:19,473 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 21:00:19,473 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 21:00:19,474 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-18 21:00:19,474 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-18 21:00:19,474 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-18 21:00:19,476 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-18 21:00:19,476 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-18 21:00:19,476 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-18 21:00:19,477 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 21:00:19,477 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-18 21:00:19,477 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-18 21:00:19,477 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-18 21:00:19,478 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-18 21:00:19,478 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 21:00:19,478 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-18 21:00:19,478 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-18 21:00:19,479 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-18 21:00:19,479 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-18 21:00:19,479 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-18 21:00:19,480 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-18 21:00:19,480 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 21:00:19,480 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-18 21:00:19,480 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 21:00:19,481 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 21:00:19,481 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 21:00:19,481 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-18 21:00:19,483 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-18 21:00:19,483 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_b61b1b16-18e4-4ade-8556-c7f0f308a437/bin/uautomizer-TMbwUNV5ro/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b61b1b16-18e4-4ade-8556-c7f0f308a437/bin/uautomizer-TMbwUNV5ro Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bec73cbd355af8995620266d1bb50e13212a1740ed8bd583620b6985b8fd569c [2022-11-18 21:00:19,782 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 21:00:19,806 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 21:00:19,809 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 21:00:19,811 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 21:00:19,812 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 21:00:19,813 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b61b1b16-18e4-4ade-8556-c7f0f308a437/bin/uautomizer-TMbwUNV5ro/../../sv-benchmarks/c/bitvector-loops/verisec_sendmail_tTflag_arr_one_loop.c [2022-11-18 21:00:19,900 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b61b1b16-18e4-4ade-8556-c7f0f308a437/bin/uautomizer-TMbwUNV5ro/data/86980b1d9/8e1bff15625445799429d01846177002/FLAGcef0698b1 [2022-11-18 21:00:20,471 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 21:00:20,472 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b61b1b16-18e4-4ade-8556-c7f0f308a437/sv-benchmarks/c/bitvector-loops/verisec_sendmail_tTflag_arr_one_loop.c [2022-11-18 21:00:20,481 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b61b1b16-18e4-4ade-8556-c7f0f308a437/bin/uautomizer-TMbwUNV5ro/data/86980b1d9/8e1bff15625445799429d01846177002/FLAGcef0698b1 [2022-11-18 21:00:20,845 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b61b1b16-18e4-4ade-8556-c7f0f308a437/bin/uautomizer-TMbwUNV5ro/data/86980b1d9/8e1bff15625445799429d01846177002 [2022-11-18 21:00:20,848 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 21:00:20,850 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 21:00:20,852 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 21:00:20,853 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 21:00:20,858 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 21:00:20,859 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 09:00:20" (1/1) ... [2022-11-18 21:00:20,860 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@416227ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:00:20, skipping insertion in model container [2022-11-18 21:00:20,861 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 09:00:20" (1/1) ... [2022-11-18 21:00:20,867 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 21:00:20,883 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 21:00:21,072 WARN L234 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_b61b1b16-18e4-4ade-8556-c7f0f308a437/sv-benchmarks/c/bitvector-loops/verisec_sendmail_tTflag_arr_one_loop.c[387,400] [2022-11-18 21:00:21,090 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 21:00:21,101 INFO L203 MainTranslator]: Completed pre-run [2022-11-18 21:00:21,114 WARN L234 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_b61b1b16-18e4-4ade-8556-c7f0f308a437/sv-benchmarks/c/bitvector-loops/verisec_sendmail_tTflag_arr_one_loop.c[387,400] [2022-11-18 21:00:21,120 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 21:00:21,134 INFO L208 MainTranslator]: Completed translation [2022-11-18 21:00:21,135 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:00:21 WrapperNode [2022-11-18 21:00:21,135 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 21:00:21,136 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-18 21:00:21,136 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-18 21:00:21,136 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-18 21:00:21,145 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:00:21" (1/1) ... [2022-11-18 21:00:21,153 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:00:21" (1/1) ... [2022-11-18 21:00:21,174 INFO L138 Inliner]: procedures = 14, calls = 15, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 58 [2022-11-18 21:00:21,175 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-18 21:00:21,175 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-18 21:00:21,176 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-18 21:00:21,176 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-18 21:00:21,186 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:00:21" (1/1) ... [2022-11-18 21:00:21,186 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:00:21" (1/1) ... [2022-11-18 21:00:21,188 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:00:21" (1/1) ... [2022-11-18 21:00:21,189 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:00:21" (1/1) ... [2022-11-18 21:00:21,194 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:00:21" (1/1) ... [2022-11-18 21:00:21,198 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:00:21" (1/1) ... [2022-11-18 21:00:21,200 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:00:21" (1/1) ... [2022-11-18 21:00:21,201 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:00:21" (1/1) ... [2022-11-18 21:00:21,203 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-18 21:00:21,204 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-18 21:00:21,204 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-18 21:00:21,204 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-18 21:00:21,205 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:00:21" (1/1) ... [2022-11-18 21:00:21,213 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 21:00:21,227 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b61b1b16-18e4-4ade-8556-c7f0f308a437/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 21:00:21,241 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b61b1b16-18e4-4ade-8556-c7f0f308a437/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 21:00:21,270 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b61b1b16-18e4-4ade-8556-c7f0f308a437/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-18 21:00:21,302 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-18 21:00:21,303 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-18 21:00:21,303 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-18 21:00:21,303 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-18 21:00:21,304 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-18 21:00:21,304 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-18 21:00:21,304 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-18 21:00:21,304 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-18 21:00:21,392 INFO L235 CfgBuilder]: Building ICFG [2022-11-18 21:00:21,395 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-18 21:00:21,642 INFO L276 CfgBuilder]: Performing block encoding [2022-11-18 21:00:21,649 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-18 21:00:21,649 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-18 21:00:21,651 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:00:21 BoogieIcfgContainer [2022-11-18 21:00:21,651 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-18 21:00:21,652 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-18 21:00:21,652 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-18 21:00:21,657 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-18 21:00:21,658 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-18 21:00:21,659 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 18.11 09:00:20" (1/3) ... [2022-11-18 21:00:21,660 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@393ed269 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 09:00:21, skipping insertion in model container [2022-11-18 21:00:21,660 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-18 21:00:21,660 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:00:21" (2/3) ... [2022-11-18 21:00:21,661 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@393ed269 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 09:00:21, skipping insertion in model container [2022-11-18 21:00:21,661 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-18 21:00:21,661 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:00:21" (3/3) ... [2022-11-18 21:00:21,663 INFO L332 chiAutomizerObserver]: Analyzing ICFG verisec_sendmail_tTflag_arr_one_loop.c [2022-11-18 21:00:21,789 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-18 21:00:21,789 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-18 21:00:21,790 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-18 21:00:21,790 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-18 21:00:21,790 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-18 21:00:21,790 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-18 21:00:21,790 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-18 21:00:21,791 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-18 21:00:21,801 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 13 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 12 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 21:00:21,837 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 3 [2022-11-18 21:00:21,845 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 21:00:21,845 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 21:00:21,850 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-11-18 21:00:21,851 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-18 21:00:21,851 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-18 21:00:21,851 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 13 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 12 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 21:00:21,863 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 3 [2022-11-18 21:00:21,863 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 21:00:21,864 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 21:00:21,864 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-11-18 21:00:21,864 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-18 21:00:21,872 INFO L748 eck$LassoCheckResult]: Stem: 4#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(39, 2);call #Ultimate.allocInit(12, 3); 7#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet5#1, main_#t~post4#1, main_#t~mem6#1, main_#t~post7#1, main_#t~mem8#1, main_~#in~0#1.base, main_~#in~0#1.offset, main_~s~0#1.base, main_~s~0#1.offset, main_~c~0#1, main_~i~0#1, main_~j~0#1, main_~idx_in~0#1;call main_~#in~0#1.base, main_~#in~0#1.offset := #Ultimate.allocOnStack(11);havoc main_~s~0#1.base, main_~s~0#1.offset;havoc main_~c~0#1;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~idx_in~0#1;main_~i~0#1 := 0; 3#L21-3true [2022-11-18 21:00:21,873 INFO L750 eck$LassoCheckResult]: Loop: 3#L21-3true assume !!(main_~i~0#1 < 11);call write~int(main_#t~nondet5#1, main_~#in~0#1.base, main_~#in~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 11#L21-2true main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 3#L21-3true [2022-11-18 21:00:21,886 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:00:21,887 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2022-11-18 21:00:21,901 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 21:00:21,903 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1164477398] [2022-11-18 21:00:21,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:00:21,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 21:00:22,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 21:00:22,046 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 21:00:22,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 21:00:22,099 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 21:00:22,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:00:22,102 INFO L85 PathProgramCache]: Analyzing trace with hash 1283, now seen corresponding path program 1 times [2022-11-18 21:00:22,103 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 21:00:22,104 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [532331646] [2022-11-18 21:00:22,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:00:22,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 21:00:22,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 21:00:22,123 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 21:00:22,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 21:00:22,143 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 21:00:22,150 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:00:22,150 INFO L85 PathProgramCache]: Analyzing trace with hash 925765, now seen corresponding path program 1 times [2022-11-18 21:00:22,150 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 21:00:22,150 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [877228438] [2022-11-18 21:00:22,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:00:22,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 21:00:22,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 21:00:22,185 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 21:00:22,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 21:00:22,219 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 21:00:22,714 INFO L210 LassoAnalysis]: Preferences: [2022-11-18 21:00:22,715 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-18 21:00:22,715 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-18 21:00:22,716 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-18 21:00:22,716 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-18 21:00:22,716 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 21:00:22,717 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-18 21:00:22,717 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-18 21:00:22,717 INFO L133 ssoRankerPreferences]: Filename of dumped script: verisec_sendmail_tTflag_arr_one_loop.c_Iteration1_Lasso [2022-11-18 21:00:22,717 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-18 21:00:22,718 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-18 21:00:22,744 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 21:00:22,758 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 21:00:22,762 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 21:00:22,766 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 21:00:23,063 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 21:00:23,066 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 21:00:23,069 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 21:00:23,073 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 21:00:23,076 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 21:00:23,079 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 21:00:23,082 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 21:00:23,085 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 21:00:23,088 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 21:00:23,439 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-18 21:00:23,444 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-18 21:00:23,446 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 21:00:23,447 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b61b1b16-18e4-4ade-8556-c7f0f308a437/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 21:00:23,454 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b61b1b16-18e4-4ade-8556-c7f0f308a437/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 21:00:23,462 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 21:00:23,477 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b61b1b16-18e4-4ade-8556-c7f0f308a437/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-11-18 21:00:23,478 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 21:00:23,478 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 21:00:23,479 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 21:00:23,479 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 21:00:23,479 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 21:00:23,482 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 21:00:23,482 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 21:00:23,499 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 21:00:23,507 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b61b1b16-18e4-4ade-8556-c7f0f308a437/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-11-18 21:00:23,510 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 21:00:23,510 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b61b1b16-18e4-4ade-8556-c7f0f308a437/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 21:00:23,512 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b61b1b16-18e4-4ade-8556-c7f0f308a437/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 21:00:23,520 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b61b1b16-18e4-4ade-8556-c7f0f308a437/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-11-18 21:00:23,521 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 [2022-11-18 21:00:23,535 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 21:00:23,536 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 21:00:23,536 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 21:00:23,536 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 21:00:23,536 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 21:00:23,538 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 21:00:23,538 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 21:00:23,548 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 21:00:23,557 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b61b1b16-18e4-4ade-8556-c7f0f308a437/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-11-18 21:00:23,557 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 21:00:23,557 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b61b1b16-18e4-4ade-8556-c7f0f308a437/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 21:00:23,559 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b61b1b16-18e4-4ade-8556-c7f0f308a437/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 21:00:23,571 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b61b1b16-18e4-4ade-8556-c7f0f308a437/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-11-18 21:00:23,571 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 [2022-11-18 21:00:23,585 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 21:00:23,585 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 21:00:23,585 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 21:00:23,585 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 21:00:23,585 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 21:00:23,587 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 21:00:23,588 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 21:00:23,597 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 21:00:23,601 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b61b1b16-18e4-4ade-8556-c7f0f308a437/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2022-11-18 21:00:23,602 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 21:00:23,602 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b61b1b16-18e4-4ade-8556-c7f0f308a437/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 21:00:23,604 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b61b1b16-18e4-4ade-8556-c7f0f308a437/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 21:00:23,607 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b61b1b16-18e4-4ade-8556-c7f0f308a437/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-11-18 21:00:23,611 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 [2022-11-18 21:00:23,622 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 21:00:23,623 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 21:00:23,623 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 21:00:23,623 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 21:00:23,623 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 21:00:23,624 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 21:00:23,624 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 21:00:23,643 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 21:00:23,648 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b61b1b16-18e4-4ade-8556-c7f0f308a437/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-11-18 21:00:23,649 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 21:00:23,649 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b61b1b16-18e4-4ade-8556-c7f0f308a437/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 21:00:23,651 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b61b1b16-18e4-4ade-8556-c7f0f308a437/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 21:00:23,664 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 21:00:23,680 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b61b1b16-18e4-4ade-8556-c7f0f308a437/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-11-18 21:00:23,681 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 21:00:23,682 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 21:00:23,682 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 21:00:23,682 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 21:00:23,688 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 21:00:23,688 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 21:00:23,700 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 21:00:23,709 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b61b1b16-18e4-4ade-8556-c7f0f308a437/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2022-11-18 21:00:23,709 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 21:00:23,710 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b61b1b16-18e4-4ade-8556-c7f0f308a437/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 21:00:23,711 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b61b1b16-18e4-4ade-8556-c7f0f308a437/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 21:00:23,719 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 [2022-11-18 21:00:23,719 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b61b1b16-18e4-4ade-8556-c7f0f308a437/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-11-18 21:00:23,733 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 21:00:23,733 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 21:00:23,733 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 21:00:23,734 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 21:00:23,737 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 21:00:23,737 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 21:00:23,749 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 21:00:23,758 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b61b1b16-18e4-4ade-8556-c7f0f308a437/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2022-11-18 21:00:23,759 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 21:00:23,759 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b61b1b16-18e4-4ade-8556-c7f0f308a437/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 21:00:23,762 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b61b1b16-18e4-4ade-8556-c7f0f308a437/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 21:00:23,775 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b61b1b16-18e4-4ade-8556-c7f0f308a437/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-11-18 21:00:23,776 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 [2022-11-18 21:00:23,791 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 21:00:23,791 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 21:00:23,791 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 21:00:23,791 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 21:00:23,798 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 21:00:23,799 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 21:00:23,814 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-18 21:00:23,841 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2022-11-18 21:00:23,841 INFO L444 ModelExtractionUtils]: 0 out of 13 variables were initially zero. Simplification set additionally 10 variables to zero. [2022-11-18 21:00:23,843 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 21:00:23,843 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b61b1b16-18e4-4ade-8556-c7f0f308a437/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 21:00:23,861 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b61b1b16-18e4-4ade-8556-c7f0f308a437/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 21:00:23,879 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-18 21:00:23,882 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b61b1b16-18e4-4ade-8556-c7f0f308a437/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-11-18 21:00:23,904 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-18 21:00:23,904 INFO L513 LassoAnalysis]: Proved termination. [2022-11-18 21:00:23,905 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1) = -2*ULTIMATE.start_main_~i~0#1 + 21 Supporting invariants [] [2022-11-18 21:00:23,915 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b61b1b16-18e4-4ade-8556-c7f0f308a437/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2022-11-18 21:00:23,953 INFO L156 tatePredicateManager]: 5 out of 5 supporting invariants were superfluous and have been removed [2022-11-18 21:00:23,984 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:00:24,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:24,006 INFO L263 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-18 21:00:24,007 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 21:00:24,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:24,025 INFO L263 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-18 21:00:24,026 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 21:00:24,045 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 21:00:24,119 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 [2022-11-18 21:00:24,122 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 13 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 12 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) 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) [2022-11-18 21:00:24,202 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 13 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 12 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). 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 25 states and 35 transitions. Complement of second has 8 states. [2022-11-18 21:00:24,205 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 [2022-11-18 21:00:24,210 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) [2022-11-18 21:00:24,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 17 transitions. [2022-11-18 21:00:24,212 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 17 transitions. Stem has 2 letters. Loop has 2 letters. [2022-11-18 21:00:24,215 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 21:00:24,216 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 17 transitions. Stem has 4 letters. Loop has 2 letters. [2022-11-18 21:00:24,216 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 21:00:24,216 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 17 transitions. Stem has 2 letters. Loop has 4 letters. [2022-11-18 21:00:24,216 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 21:00:24,217 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 25 states and 35 transitions. [2022-11-18 21:00:24,220 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2022-11-18 21:00:24,225 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 25 states to 7 states and 9 transitions. [2022-11-18 21:00:24,227 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 4 [2022-11-18 21:00:24,227 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 5 [2022-11-18 21:00:24,228 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 9 transitions. [2022-11-18 21:00:24,228 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 21:00:24,228 INFO L218 hiAutomatonCegarLoop]: Abstraction has 7 states and 9 transitions. [2022-11-18 21:00:24,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states and 9 transitions. [2022-11-18 21:00:24,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2022-11-18 21:00:24,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 6 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 21:00:24,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 9 transitions. [2022-11-18 21:00:24,258 INFO L240 hiAutomatonCegarLoop]: Abstraction has 7 states and 9 transitions. [2022-11-18 21:00:24,261 INFO L428 stractBuchiCegarLoop]: Abstraction has 7 states and 9 transitions. [2022-11-18 21:00:24,262 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-18 21:00:24,262 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7 states and 9 transitions. [2022-11-18 21:00:24,264 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2022-11-18 21:00:24,265 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 21:00:24,265 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 21:00:24,265 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2022-11-18 21:00:24,265 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-11-18 21:00:24,266 INFO L748 eck$LassoCheckResult]: Stem: 101#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(39, 2);call #Ultimate.allocInit(12, 3); 102#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet5#1, main_#t~post4#1, main_#t~mem6#1, main_#t~post7#1, main_#t~mem8#1, main_~#in~0#1.base, main_~#in~0#1.offset, main_~s~0#1.base, main_~s~0#1.offset, main_~c~0#1, main_~i~0#1, main_~j~0#1, main_~idx_in~0#1;call main_~#in~0#1.base, main_~#in~0#1.offset := #Ultimate.allocOnStack(11);havoc main_~s~0#1.base, main_~s~0#1.offset;havoc main_~c~0#1;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~idx_in~0#1;main_~i~0#1 := 0; 97#L21-3 assume !(main_~i~0#1 < 11); 98#L21-4 call write~int(0, main_~#in~0#1.base, 10 + main_~#in~0#1.offset, 1);main_~idx_in~0#1 := 0;main_~s~0#1.base, main_~s~0#1.offset := main_~#in~0#1.base, main_~#in~0#1.offset;main_~i~0#1 := 0;call main_#t~mem6#1 := read~int(main_~#in~0#1.base, main_~#in~0#1.offset + main_~idx_in~0#1, 1);main_~c~0#1 := main_#t~mem6#1;havoc main_#t~mem6#1; 103#L28-2 [2022-11-18 21:00:24,271 INFO L750 eck$LassoCheckResult]: Loop: 103#L28-2 assume !!(48 <= main_~c~0#1 % 256 && main_~c~0#1 % 256 <= 57);main_~j~0#1 := main_~c~0#1 % 256 - 48;main_~i~0#1 := (if (10 * main_~i~0#1 + main_~j~0#1) % 4294967296 % 4294967296 <= 2147483647 then (10 * main_~i~0#1 + main_~j~0#1) % 4294967296 % 4294967296 else (10 * main_~i~0#1 + main_~j~0#1) % 4294967296 % 4294967296 - 4294967296);main_#t~post7#1 := main_~idx_in~0#1;main_~idx_in~0#1 := 1 + main_#t~post7#1;havoc main_#t~post7#1;call main_#t~mem8#1 := read~int(main_~#in~0#1.base, main_~#in~0#1.offset + main_~idx_in~0#1, 1);main_~c~0#1 := main_#t~mem8#1;havoc main_#t~mem8#1; 103#L28-2 [2022-11-18 21:00:24,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:00:24,273 INFO L85 PathProgramCache]: Analyzing trace with hash 925707, now seen corresponding path program 1 times [2022-11-18 21:00:24,273 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 21:00:24,274 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1659004304] [2022-11-18 21:00:24,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:00:24,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 21:00:24,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:24,402 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 21:00:24,402 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 21:00:24,403 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1659004304] [2022-11-18 21:00:24,404 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1659004304] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 21:00:24,404 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 21:00:24,404 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-18 21:00:24,405 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1684086308] [2022-11-18 21:00:24,408 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 21:00:24,433 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-18 21:00:24,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:00:24,434 INFO L85 PathProgramCache]: Analyzing trace with hash 56, now seen corresponding path program 1 times [2022-11-18 21:00:24,434 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 21:00:24,434 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [155694080] [2022-11-18 21:00:24,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:00:24,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 21:00:24,446 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b61b1b16-18e4-4ade-8556-c7f0f308a437/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2022-11-18 21:00:24,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 21:00:24,458 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 21:00:24,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 21:00:24,480 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 21:00:24,630 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 21:00:24,633 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 21:00:24,633 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 21:00:24,635 INFO L87 Difference]: Start difference. First operand 7 states and 9 transitions. cyclomatic complexity: 4 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) [2022-11-18 21:00:24,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 21:00:24,653 INFO L93 Difference]: Finished difference Result 9 states and 10 transitions. [2022-11-18 21:00:24,654 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 9 states and 10 transitions. [2022-11-18 21:00:24,654 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2022-11-18 21:00:24,655 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 9 states to 9 states and 10 transitions. [2022-11-18 21:00:24,655 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 [2022-11-18 21:00:24,655 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 6 [2022-11-18 21:00:24,655 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 10 transitions. [2022-11-18 21:00:24,656 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 21:00:24,656 INFO L218 hiAutomatonCegarLoop]: Abstraction has 9 states and 10 transitions. [2022-11-18 21:00:24,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states and 10 transitions. [2022-11-18 21:00:24,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 7. [2022-11-18 21:00:24,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 6 states have internal predecessors, (8), 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) [2022-11-18 21:00:24,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 8 transitions. [2022-11-18 21:00:24,658 INFO L240 hiAutomatonCegarLoop]: Abstraction has 7 states and 8 transitions. [2022-11-18 21:00:24,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 21:00:24,659 INFO L428 stractBuchiCegarLoop]: Abstraction has 7 states and 8 transitions. [2022-11-18 21:00:24,659 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-11-18 21:00:24,660 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7 states and 8 transitions. [2022-11-18 21:00:24,660 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2022-11-18 21:00:24,660 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 21:00:24,660 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 21:00:24,661 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2022-11-18 21:00:24,661 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-11-18 21:00:24,661 INFO L748 eck$LassoCheckResult]: Stem: 123#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(39, 2);call #Ultimate.allocInit(12, 3); 124#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet5#1, main_#t~post4#1, main_#t~mem6#1, main_#t~post7#1, main_#t~mem8#1, main_~#in~0#1.base, main_~#in~0#1.offset, main_~s~0#1.base, main_~s~0#1.offset, main_~c~0#1, main_~i~0#1, main_~j~0#1, main_~idx_in~0#1;call main_~#in~0#1.base, main_~#in~0#1.offset := #Ultimate.allocOnStack(11);havoc main_~s~0#1.base, main_~s~0#1.offset;havoc main_~c~0#1;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~idx_in~0#1;main_~i~0#1 := 0; 119#L21-3 assume !!(main_~i~0#1 < 11);call write~int(main_#t~nondet5#1, main_~#in~0#1.base, main_~#in~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 120#L21-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 121#L21-3 assume !(main_~i~0#1 < 11); 122#L21-4 call write~int(0, main_~#in~0#1.base, 10 + main_~#in~0#1.offset, 1);main_~idx_in~0#1 := 0;main_~s~0#1.base, main_~s~0#1.offset := main_~#in~0#1.base, main_~#in~0#1.offset;main_~i~0#1 := 0;call main_#t~mem6#1 := read~int(main_~#in~0#1.base, main_~#in~0#1.offset + main_~idx_in~0#1, 1);main_~c~0#1 := main_#t~mem6#1;havoc main_#t~mem6#1; 125#L28-2 [2022-11-18 21:00:24,661 INFO L750 eck$LassoCheckResult]: Loop: 125#L28-2 assume !!(48 <= main_~c~0#1 % 256 && main_~c~0#1 % 256 <= 57);main_~j~0#1 := main_~c~0#1 % 256 - 48;main_~i~0#1 := (if (10 * main_~i~0#1 + main_~j~0#1) % 4294967296 % 4294967296 <= 2147483647 then (10 * main_~i~0#1 + main_~j~0#1) % 4294967296 % 4294967296 else (10 * main_~i~0#1 + main_~j~0#1) % 4294967296 % 4294967296 - 4294967296);main_#t~post7#1 := main_~idx_in~0#1;main_~idx_in~0#1 := 1 + main_#t~post7#1;havoc main_#t~post7#1;call main_#t~mem8#1 := read~int(main_~#in~0#1.base, main_~#in~0#1.offset + main_~idx_in~0#1, 1);main_~c~0#1 := main_#t~mem8#1;havoc main_#t~mem8#1; 125#L28-2 [2022-11-18 21:00:24,662 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:00:24,662 INFO L85 PathProgramCache]: Analyzing trace with hash 889660429, now seen corresponding path program 1 times [2022-11-18 21:00:24,662 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 21:00:24,663 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1308019444] [2022-11-18 21:00:24,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:00:24,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 21:00:24,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:24,718 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 21:00:24,718 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 21:00:24,718 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1308019444] [2022-11-18 21:00:24,719 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1308019444] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 21:00:24,719 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1490544088] [2022-11-18 21:00:24,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:00:24,719 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 21:00:24,720 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b61b1b16-18e4-4ade-8556-c7f0f308a437/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 21:00:24,721 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b61b1b16-18e4-4ade-8556-c7f0f308a437/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 21:00:24,746 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b61b1b16-18e4-4ade-8556-c7f0f308a437/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-11-18 21:00:24,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:24,792 INFO L263 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-18 21:00:24,793 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 21:00:24,817 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 21:00:24,817 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 21:00:24,845 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 21:00:24,845 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1490544088] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 21:00:24,846 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-18 21:00:24,846 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2022-11-18 21:00:24,846 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [602558407] [2022-11-18 21:00:24,846 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-18 21:00:24,847 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-18 21:00:24,847 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:00:24,847 INFO L85 PathProgramCache]: Analyzing trace with hash 56, now seen corresponding path program 2 times [2022-11-18 21:00:24,848 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 21:00:24,849 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1231760439] [2022-11-18 21:00:24,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:00:24,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 21:00:24,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 21:00:24,876 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 21:00:24,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 21:00:24,898 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 21:00:25,062 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 21:00:25,063 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-18 21:00:25,063 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2022-11-18 21:00:25,063 INFO L87 Difference]: Start difference. First operand 7 states and 8 transitions. cyclomatic complexity: 3 Second operand has 7 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 7 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 21:00:25,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 21:00:25,107 INFO L93 Difference]: Finished difference Result 15 states and 16 transitions. [2022-11-18 21:00:25,108 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 15 states and 16 transitions. [2022-11-18 21:00:25,109 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2022-11-18 21:00:25,111 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 15 states to 15 states and 16 transitions. [2022-11-18 21:00:25,111 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 7 [2022-11-18 21:00:25,112 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 7 [2022-11-18 21:00:25,112 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 16 transitions. [2022-11-18 21:00:25,112 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 21:00:25,112 INFO L218 hiAutomatonCegarLoop]: Abstraction has 15 states and 16 transitions. [2022-11-18 21:00:25,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states and 16 transitions. [2022-11-18 21:00:25,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 13. [2022-11-18 21:00:25,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 13 states have (on average 1.0769230769230769) internal successors, (14), 12 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) [2022-11-18 21:00:25,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2022-11-18 21:00:25,114 INFO L240 hiAutomatonCegarLoop]: Abstraction has 13 states and 14 transitions. [2022-11-18 21:00:25,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-18 21:00:25,116 INFO L428 stractBuchiCegarLoop]: Abstraction has 13 states and 14 transitions. [2022-11-18 21:00:25,120 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2022-11-18 21:00:25,120 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states and 14 transitions. [2022-11-18 21:00:25,120 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2022-11-18 21:00:25,121 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 21:00:25,121 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 21:00:25,122 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [4, 4, 1, 1, 1, 1] [2022-11-18 21:00:25,122 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-11-18 21:00:25,122 INFO L748 eck$LassoCheckResult]: Stem: 185#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(39, 2);call #Ultimate.allocInit(12, 3); 186#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet5#1, main_#t~post4#1, main_#t~mem6#1, main_#t~post7#1, main_#t~mem8#1, main_~#in~0#1.base, main_~#in~0#1.offset, main_~s~0#1.base, main_~s~0#1.offset, main_~c~0#1, main_~i~0#1, main_~j~0#1, main_~idx_in~0#1;call main_~#in~0#1.base, main_~#in~0#1.offset := #Ultimate.allocOnStack(11);havoc main_~s~0#1.base, main_~s~0#1.offset;havoc main_~c~0#1;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~idx_in~0#1;main_~i~0#1 := 0; 181#L21-3 assume !!(main_~i~0#1 < 11);call write~int(main_#t~nondet5#1, main_~#in~0#1.base, main_~#in~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 182#L21-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 183#L21-3 assume !!(main_~i~0#1 < 11);call write~int(main_#t~nondet5#1, main_~#in~0#1.base, main_~#in~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 184#L21-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 193#L21-3 assume !!(main_~i~0#1 < 11);call write~int(main_#t~nondet5#1, main_~#in~0#1.base, main_~#in~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 192#L21-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 191#L21-3 assume !!(main_~i~0#1 < 11);call write~int(main_#t~nondet5#1, main_~#in~0#1.base, main_~#in~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 190#L21-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 189#L21-3 assume !(main_~i~0#1 < 11); 187#L21-4 call write~int(0, main_~#in~0#1.base, 10 + main_~#in~0#1.offset, 1);main_~idx_in~0#1 := 0;main_~s~0#1.base, main_~s~0#1.offset := main_~#in~0#1.base, main_~#in~0#1.offset;main_~i~0#1 := 0;call main_#t~mem6#1 := read~int(main_~#in~0#1.base, main_~#in~0#1.offset + main_~idx_in~0#1, 1);main_~c~0#1 := main_#t~mem6#1;havoc main_#t~mem6#1; 188#L28-2 [2022-11-18 21:00:25,123 INFO L750 eck$LassoCheckResult]: Loop: 188#L28-2 assume !!(48 <= main_~c~0#1 % 256 && main_~c~0#1 % 256 <= 57);main_~j~0#1 := main_~c~0#1 % 256 - 48;main_~i~0#1 := (if (10 * main_~i~0#1 + main_~j~0#1) % 4294967296 % 4294967296 <= 2147483647 then (10 * main_~i~0#1 + main_~j~0#1) % 4294967296 % 4294967296 else (10 * main_~i~0#1 + main_~j~0#1) % 4294967296 % 4294967296 - 4294967296);main_#t~post7#1 := main_~idx_in~0#1;main_~idx_in~0#1 := 1 + main_#t~post7#1;havoc main_#t~post7#1;call main_#t~mem8#1 := read~int(main_~#in~0#1.base, main_~#in~0#1.offset + main_~idx_in~0#1, 1);main_~c~0#1 := main_#t~mem8#1;havoc main_#t~mem8#1; 188#L28-2 [2022-11-18 21:00:25,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:00:25,125 INFO L85 PathProgramCache]: Analyzing trace with hash 833936659, now seen corresponding path program 2 times [2022-11-18 21:00:25,125 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 21:00:25,125 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [462470597] [2022-11-18 21:00:25,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:00:25,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 21:00:25,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:25,233 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 21:00:25,233 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 21:00:25,234 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [462470597] [2022-11-18 21:00:25,234 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [462470597] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 21:00:25,234 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1413383208] [2022-11-18 21:00:25,234 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-18 21:00:25,235 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 21:00:25,235 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b61b1b16-18e4-4ade-8556-c7f0f308a437/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 21:00:25,236 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b61b1b16-18e4-4ade-8556-c7f0f308a437/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 21:00:25,263 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b61b1b16-18e4-4ade-8556-c7f0f308a437/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-11-18 21:00:25,336 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-18 21:00:25,336 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-18 21:00:25,337 INFO L263 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-18 21:00:25,339 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 21:00:25,370 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 21:00:25,370 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 21:00:25,449 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 21:00:25,450 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1413383208] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 21:00:25,450 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-18 21:00:25,450 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 13 [2022-11-18 21:00:25,450 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1089663797] [2022-11-18 21:00:25,451 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-18 21:00:25,451 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-18 21:00:25,451 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:00:25,452 INFO L85 PathProgramCache]: Analyzing trace with hash 56, now seen corresponding path program 3 times [2022-11-18 21:00:25,452 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 21:00:25,452 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1050410449] [2022-11-18 21:00:25,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:00:25,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 21:00:25,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 21:00:25,463 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 21:00:25,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 21:00:25,486 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 21:00:25,643 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 21:00:25,643 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-18 21:00:25,644 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2022-11-18 21:00:25,644 INFO L87 Difference]: Start difference. First operand 13 states and 14 transitions. cyclomatic complexity: 3 Second operand has 13 states, 13 states have (on average 1.9230769230769231) internal successors, (25), 13 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 21:00:25,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 21:00:25,728 INFO L93 Difference]: Finished difference Result 27 states and 28 transitions. [2022-11-18 21:00:25,728 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 27 states and 28 transitions. [2022-11-18 21:00:25,729 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2022-11-18 21:00:25,730 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 27 states to 27 states and 28 transitions. [2022-11-18 21:00:25,730 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 7 [2022-11-18 21:00:25,730 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 7 [2022-11-18 21:00:25,730 INFO L73 IsDeterministic]: Start isDeterministic. Operand 27 states and 28 transitions. [2022-11-18 21:00:25,731 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 21:00:25,731 INFO L218 hiAutomatonCegarLoop]: Abstraction has 27 states and 28 transitions. [2022-11-18 21:00:25,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states and 28 transitions. [2022-11-18 21:00:25,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 25. [2022-11-18 21:00:25,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 25 states have (on average 1.04) internal successors, (26), 24 states have internal predecessors, (26), 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) [2022-11-18 21:00:25,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 26 transitions. [2022-11-18 21:00:25,734 INFO L240 hiAutomatonCegarLoop]: Abstraction has 25 states and 26 transitions. [2022-11-18 21:00:25,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-18 21:00:25,735 INFO L428 stractBuchiCegarLoop]: Abstraction has 25 states and 26 transitions. [2022-11-18 21:00:25,735 INFO L335 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2022-11-18 21:00:25,736 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 25 states and 26 transitions. [2022-11-18 21:00:25,736 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2022-11-18 21:00:25,737 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 21:00:25,737 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 21:00:25,737 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [10, 10, 1, 1, 1, 1] [2022-11-18 21:00:25,738 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-11-18 21:00:25,738 INFO L748 eck$LassoCheckResult]: Stem: 307#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(39, 2);call #Ultimate.allocInit(12, 3); 308#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet5#1, main_#t~post4#1, main_#t~mem6#1, main_#t~post7#1, main_#t~mem8#1, main_~#in~0#1.base, main_~#in~0#1.offset, main_~s~0#1.base, main_~s~0#1.offset, main_~c~0#1, main_~i~0#1, main_~j~0#1, main_~idx_in~0#1;call main_~#in~0#1.base, main_~#in~0#1.offset := #Ultimate.allocOnStack(11);havoc main_~s~0#1.base, main_~s~0#1.offset;havoc main_~c~0#1;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~idx_in~0#1;main_~i~0#1 := 0; 303#L21-3 assume !!(main_~i~0#1 < 11);call write~int(main_#t~nondet5#1, main_~#in~0#1.base, main_~#in~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 304#L21-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 305#L21-3 assume !!(main_~i~0#1 < 11);call write~int(main_#t~nondet5#1, main_~#in~0#1.base, main_~#in~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 306#L21-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 327#L21-3 assume !!(main_~i~0#1 < 11);call write~int(main_#t~nondet5#1, main_~#in~0#1.base, main_~#in~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 326#L21-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 325#L21-3 assume !!(main_~i~0#1 < 11);call write~int(main_#t~nondet5#1, main_~#in~0#1.base, main_~#in~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 324#L21-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 323#L21-3 assume !!(main_~i~0#1 < 11);call write~int(main_#t~nondet5#1, main_~#in~0#1.base, main_~#in~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 322#L21-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 321#L21-3 assume !!(main_~i~0#1 < 11);call write~int(main_#t~nondet5#1, main_~#in~0#1.base, main_~#in~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 320#L21-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 319#L21-3 assume !!(main_~i~0#1 < 11);call write~int(main_#t~nondet5#1, main_~#in~0#1.base, main_~#in~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 318#L21-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 317#L21-3 assume !!(main_~i~0#1 < 11);call write~int(main_#t~nondet5#1, main_~#in~0#1.base, main_~#in~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 316#L21-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 315#L21-3 assume !!(main_~i~0#1 < 11);call write~int(main_#t~nondet5#1, main_~#in~0#1.base, main_~#in~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 314#L21-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 313#L21-3 assume !!(main_~i~0#1 < 11);call write~int(main_#t~nondet5#1, main_~#in~0#1.base, main_~#in~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 312#L21-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 311#L21-3 assume !(main_~i~0#1 < 11); 309#L21-4 call write~int(0, main_~#in~0#1.base, 10 + main_~#in~0#1.offset, 1);main_~idx_in~0#1 := 0;main_~s~0#1.base, main_~s~0#1.offset := main_~#in~0#1.base, main_~#in~0#1.offset;main_~i~0#1 := 0;call main_#t~mem6#1 := read~int(main_~#in~0#1.base, main_~#in~0#1.offset + main_~idx_in~0#1, 1);main_~c~0#1 := main_#t~mem6#1;havoc main_#t~mem6#1; 310#L28-2 [2022-11-18 21:00:25,738 INFO L750 eck$LassoCheckResult]: Loop: 310#L28-2 assume !!(48 <= main_~c~0#1 % 256 && main_~c~0#1 % 256 <= 57);main_~j~0#1 := main_~c~0#1 % 256 - 48;main_~i~0#1 := (if (10 * main_~i~0#1 + main_~j~0#1) % 4294967296 % 4294967296 <= 2147483647 then (10 * main_~i~0#1 + main_~j~0#1) % 4294967296 % 4294967296 else (10 * main_~i~0#1 + main_~j~0#1) % 4294967296 % 4294967296 - 4294967296);main_#t~post7#1 := main_~idx_in~0#1;main_~idx_in~0#1 := 1 + main_#t~post7#1;havoc main_#t~post7#1;call main_#t~mem8#1 := read~int(main_~#in~0#1.base, main_~#in~0#1.offset + main_~idx_in~0#1, 1);main_~c~0#1 := main_#t~mem8#1;havoc main_#t~mem8#1; 310#L28-2 [2022-11-18 21:00:25,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:00:25,739 INFO L85 PathProgramCache]: Analyzing trace with hash 2127272351, now seen corresponding path program 3 times [2022-11-18 21:00:25,739 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 21:00:25,739 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [13587897] [2022-11-18 21:00:25,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:00:25,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 21:00:25,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:26,094 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 21:00:26,095 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 21:00:26,095 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [13587897] [2022-11-18 21:00:26,095 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [13587897] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 21:00:26,095 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1579774989] [2022-11-18 21:00:26,096 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-18 21:00:26,096 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 21:00:26,096 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b61b1b16-18e4-4ade-8556-c7f0f308a437/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 21:00:26,100 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b61b1b16-18e4-4ade-8556-c7f0f308a437/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 21:00:26,102 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b61b1b16-18e4-4ade-8556-c7f0f308a437/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-11-18 21:00:26,281 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2022-11-18 21:00:26,281 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-18 21:00:26,283 INFO L263 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-18 21:00:26,285 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 21:00:26,357 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 21:00:26,357 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 21:00:26,511 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 21:00:26,511 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1579774989] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 21:00:26,512 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-18 21:00:26,512 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 13] total 14 [2022-11-18 21:00:26,512 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [530700391] [2022-11-18 21:00:26,512 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-18 21:00:26,513 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-18 21:00:26,513 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:00:26,513 INFO L85 PathProgramCache]: Analyzing trace with hash 56, now seen corresponding path program 4 times [2022-11-18 21:00:26,514 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 21:00:26,514 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [109771973] [2022-11-18 21:00:26,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:00:26,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 21:00:26,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 21:00:26,521 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 21:00:26,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 21:00:26,527 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 21:00:26,664 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 21:00:26,665 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-11-18 21:00:26,665 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=91, Unknown=0, NotChecked=0, Total=182 [2022-11-18 21:00:26,665 INFO L87 Difference]: Start difference. First operand 25 states and 26 transitions. cyclomatic complexity: 3 Second operand has 14 states, 14 states have (on average 1.9285714285714286) internal successors, (27), 14 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 21:00:26,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 21:00:26,733 INFO L93 Difference]: Finished difference Result 29 states and 30 transitions. [2022-11-18 21:00:26,733 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 29 states and 30 transitions. [2022-11-18 21:00:26,734 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2022-11-18 21:00:26,735 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 29 states to 29 states and 30 transitions. [2022-11-18 21:00:26,735 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 7 [2022-11-18 21:00:26,735 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 7 [2022-11-18 21:00:26,735 INFO L73 IsDeterministic]: Start isDeterministic. Operand 29 states and 30 transitions. [2022-11-18 21:00:26,735 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 21:00:26,735 INFO L218 hiAutomatonCegarLoop]: Abstraction has 29 states and 30 transitions. [2022-11-18 21:00:26,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states and 30 transitions. [2022-11-18 21:00:26,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 27. [2022-11-18 21:00:26,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 27 states have (on average 1.037037037037037) internal successors, (28), 26 states have internal predecessors, (28), 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) [2022-11-18 21:00:26,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 28 transitions. [2022-11-18 21:00:26,738 INFO L240 hiAutomatonCegarLoop]: Abstraction has 27 states and 28 transitions. [2022-11-18 21:00:26,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-18 21:00:26,740 INFO L428 stractBuchiCegarLoop]: Abstraction has 27 states and 28 transitions. [2022-11-18 21:00:26,740 INFO L335 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2022-11-18 21:00:26,740 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 27 states and 28 transitions. [2022-11-18 21:00:26,741 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2022-11-18 21:00:26,741 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 21:00:26,741 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 21:00:26,742 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [11, 11, 1, 1, 1, 1] [2022-11-18 21:00:26,742 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-11-18 21:00:26,743 INFO L748 eck$LassoCheckResult]: Stem: 516#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(39, 2);call #Ultimate.allocInit(12, 3); 517#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet5#1, main_#t~post4#1, main_#t~mem6#1, main_#t~post7#1, main_#t~mem8#1, main_~#in~0#1.base, main_~#in~0#1.offset, main_~s~0#1.base, main_~s~0#1.offset, main_~c~0#1, main_~i~0#1, main_~j~0#1, main_~idx_in~0#1;call main_~#in~0#1.base, main_~#in~0#1.offset := #Ultimate.allocOnStack(11);havoc main_~s~0#1.base, main_~s~0#1.offset;havoc main_~c~0#1;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~idx_in~0#1;main_~i~0#1 := 0; 512#L21-3 assume !!(main_~i~0#1 < 11);call write~int(main_#t~nondet5#1, main_~#in~0#1.base, main_~#in~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 513#L21-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 514#L21-3 assume !!(main_~i~0#1 < 11);call write~int(main_#t~nondet5#1, main_~#in~0#1.base, main_~#in~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 515#L21-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 538#L21-3 assume !!(main_~i~0#1 < 11);call write~int(main_#t~nondet5#1, main_~#in~0#1.base, main_~#in~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 537#L21-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 536#L21-3 assume !!(main_~i~0#1 < 11);call write~int(main_#t~nondet5#1, main_~#in~0#1.base, main_~#in~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 535#L21-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 534#L21-3 assume !!(main_~i~0#1 < 11);call write~int(main_#t~nondet5#1, main_~#in~0#1.base, main_~#in~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 533#L21-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 532#L21-3 assume !!(main_~i~0#1 < 11);call write~int(main_#t~nondet5#1, main_~#in~0#1.base, main_~#in~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 531#L21-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 530#L21-3 assume !!(main_~i~0#1 < 11);call write~int(main_#t~nondet5#1, main_~#in~0#1.base, main_~#in~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 529#L21-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 528#L21-3 assume !!(main_~i~0#1 < 11);call write~int(main_#t~nondet5#1, main_~#in~0#1.base, main_~#in~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 527#L21-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 526#L21-3 assume !!(main_~i~0#1 < 11);call write~int(main_#t~nondet5#1, main_~#in~0#1.base, main_~#in~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 525#L21-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 524#L21-3 assume !!(main_~i~0#1 < 11);call write~int(main_#t~nondet5#1, main_~#in~0#1.base, main_~#in~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 523#L21-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 522#L21-3 assume !!(main_~i~0#1 < 11);call write~int(main_#t~nondet5#1, main_~#in~0#1.base, main_~#in~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet5#1; 521#L21-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 520#L21-3 assume !(main_~i~0#1 < 11); 518#L21-4 call write~int(0, main_~#in~0#1.base, 10 + main_~#in~0#1.offset, 1);main_~idx_in~0#1 := 0;main_~s~0#1.base, main_~s~0#1.offset := main_~#in~0#1.base, main_~#in~0#1.offset;main_~i~0#1 := 0;call main_#t~mem6#1 := read~int(main_~#in~0#1.base, main_~#in~0#1.offset + main_~idx_in~0#1, 1);main_~c~0#1 := main_#t~mem6#1;havoc main_#t~mem6#1; 519#L28-2 [2022-11-18 21:00:26,743 INFO L750 eck$LassoCheckResult]: Loop: 519#L28-2 assume !!(48 <= main_~c~0#1 % 256 && main_~c~0#1 % 256 <= 57);main_~j~0#1 := main_~c~0#1 % 256 - 48;main_~i~0#1 := (if (10 * main_~i~0#1 + main_~j~0#1) % 4294967296 % 4294967296 <= 2147483647 then (10 * main_~i~0#1 + main_~j~0#1) % 4294967296 % 4294967296 else (10 * main_~i~0#1 + main_~j~0#1) % 4294967296 % 4294967296 - 4294967296);main_#t~post7#1 := main_~idx_in~0#1;main_~idx_in~0#1 := 1 + main_#t~post7#1;havoc main_#t~post7#1;call main_#t~mem8#1 := read~int(main_~#in~0#1.base, main_~#in~0#1.offset + main_~idx_in~0#1, 1);main_~c~0#1 := main_#t~mem8#1;havoc main_#t~mem8#1; 519#L28-2 [2022-11-18 21:00:26,743 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:00:26,743 INFO L85 PathProgramCache]: Analyzing trace with hash -95647583, now seen corresponding path program 4 times [2022-11-18 21:00:26,744 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 21:00:26,744 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [812834007] [2022-11-18 21:00:26,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:00:26,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 21:00:26,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 21:00:26,780 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 21:00:26,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 21:00:26,803 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 21:00:26,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:00:26,804 INFO L85 PathProgramCache]: Analyzing trace with hash 56, now seen corresponding path program 5 times [2022-11-18 21:00:26,804 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 21:00:26,804 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1488021900] [2022-11-18 21:00:26,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:00:26,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 21:00:26,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 21:00:26,811 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 21:00:26,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 21:00:26,818 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 21:00:26,818 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:00:26,818 INFO L85 PathProgramCache]: Analyzing trace with hash 1329892248, now seen corresponding path program 1 times [2022-11-18 21:00:26,819 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 21:00:26,819 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1305758264] [2022-11-18 21:00:26,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:00:26,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 21:00:26,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 21:00:26,857 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 21:00:26,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 21:00:26,898 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 21:00:39,813 WARN L233 SmtUtils]: Spent 12.78s on a formula simplification. DAG size of input: 238 DAG size of output: 185 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-18 21:00:41,784 INFO L210 LassoAnalysis]: Preferences: [2022-11-18 21:00:41,784 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-18 21:00:41,784 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-18 21:00:41,784 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-18 21:00:41,784 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-18 21:00:41,784 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 21:00:41,784 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-18 21:00:41,784 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-18 21:00:41,785 INFO L133 ssoRankerPreferences]: Filename of dumped script: verisec_sendmail_tTflag_arr_one_loop.c_Iteration6_Lasso [2022-11-18 21:00:41,785 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-18 21:00:41,785 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-18 21:00:41,789 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 21:00:41,792 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 21:00:41,794 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 21:00:41,797 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 21:00:43,304 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 21:00:43,307 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 21:00:43,311 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 21:00:43,313 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 21:00:43,316 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 21:00:43,989 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-18 21:00:43,990 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-18 21:00:43,990 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 21:00:43,990 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b61b1b16-18e4-4ade-8556-c7f0f308a437/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 21:00:43,998 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b61b1b16-18e4-4ade-8556-c7f0f308a437/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 21:00:44,018 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b61b1b16-18e4-4ade-8556-c7f0f308a437/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2022-11-18 21:00:44,018 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 21:00:44,032 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 21:00:44,032 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 21:00:44,032 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 21:00:44,032 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 21:00:44,032 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 21:00:44,033 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 21:00:44,033 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 21:00:44,039 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 21:00:44,047 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b61b1b16-18e4-4ade-8556-c7f0f308a437/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2022-11-18 21:00:44,048 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 21:00:44,048 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b61b1b16-18e4-4ade-8556-c7f0f308a437/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 21:00:44,049 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b61b1b16-18e4-4ade-8556-c7f0f308a437/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 21:00:44,051 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b61b1b16-18e4-4ade-8556-c7f0f308a437/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2022-11-18 21:00:44,052 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 [2022-11-18 21:00:44,063 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 21:00:44,063 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 21:00:44,063 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 21:00:44,064 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 21:00:44,064 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 21:00:44,064 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 21:00:44,064 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 21:00:44,066 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 21:00:44,069 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b61b1b16-18e4-4ade-8556-c7f0f308a437/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2022-11-18 21:00:44,070 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 21:00:44,070 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b61b1b16-18e4-4ade-8556-c7f0f308a437/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 21:00:44,071 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b61b1b16-18e4-4ade-8556-c7f0f308a437/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 21:00:44,073 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b61b1b16-18e4-4ade-8556-c7f0f308a437/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2022-11-18 21:00:44,074 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 [2022-11-18 21:00:44,085 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 21:00:44,085 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 21:00:44,085 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 21:00:44,085 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 21:00:44,085 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 21:00:44,086 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 21:00:44,086 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 21:00:44,090 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 21:00:44,094 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b61b1b16-18e4-4ade-8556-c7f0f308a437/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2022-11-18 21:00:44,094 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 21:00:44,094 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b61b1b16-18e4-4ade-8556-c7f0f308a437/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 21:00:44,095 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b61b1b16-18e4-4ade-8556-c7f0f308a437/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 21:00:44,097 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b61b1b16-18e4-4ade-8556-c7f0f308a437/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2022-11-18 21:00:44,098 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 [2022-11-18 21:00:44,110 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 21:00:44,110 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 21:00:44,110 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-11-18 21:00:44,110 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 21:00:44,144 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2022-11-18 21:00:44,145 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2022-11-18 21:00:44,189 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 21:00:44,199 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b61b1b16-18e4-4ade-8556-c7f0f308a437/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2022-11-18 21:00:44,199 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 21:00:44,199 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b61b1b16-18e4-4ade-8556-c7f0f308a437/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 21:00:44,200 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b61b1b16-18e4-4ade-8556-c7f0f308a437/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 21:00:44,211 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b61b1b16-18e4-4ade-8556-c7f0f308a437/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2022-11-18 21:00:44,212 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 [2022-11-18 21:00:44,223 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 21:00:44,223 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 21:00:44,223 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 21:00:44,224 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 21:00:44,226 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 21:00:44,226 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 21:00:44,247 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 21:00:44,259 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b61b1b16-18e4-4ade-8556-c7f0f308a437/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2022-11-18 21:00:44,259 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 21:00:44,259 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b61b1b16-18e4-4ade-8556-c7f0f308a437/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 21:00:44,261 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b61b1b16-18e4-4ade-8556-c7f0f308a437/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 21:00:44,276 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b61b1b16-18e4-4ade-8556-c7f0f308a437/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2022-11-18 21:00:44,276 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 [2022-11-18 21:00:44,290 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 21:00:44,290 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 21:00:44,290 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 21:00:44,290 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 21:00:44,293 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 21:00:44,293 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 21:00:44,304 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 21:00:44,313 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b61b1b16-18e4-4ade-8556-c7f0f308a437/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2022-11-18 21:00:44,314 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 21:00:44,314 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b61b1b16-18e4-4ade-8556-c7f0f308a437/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 21:00:44,315 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b61b1b16-18e4-4ade-8556-c7f0f308a437/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 21:00:44,322 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b61b1b16-18e4-4ade-8556-c7f0f308a437/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2022-11-18 21:00:44,323 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 [2022-11-18 21:00:44,337 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 21:00:44,337 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 21:00:44,337 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 21:00:44,338 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 21:00:44,340 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 21:00:44,340 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 21:00:44,358 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 21:00:44,367 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b61b1b16-18e4-4ade-8556-c7f0f308a437/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2022-11-18 21:00:44,368 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 21:00:44,368 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b61b1b16-18e4-4ade-8556-c7f0f308a437/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 21:00:44,369 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b61b1b16-18e4-4ade-8556-c7f0f308a437/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 21:00:44,377 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 [2022-11-18 21:00:44,391 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b61b1b16-18e4-4ade-8556-c7f0f308a437/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2022-11-18 21:00:44,391 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 21:00:44,392 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 21:00:44,392 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 21:00:44,392 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 21:00:44,395 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 21:00:44,395 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 21:00:44,414 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 21:00:44,423 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b61b1b16-18e4-4ade-8556-c7f0f308a437/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2022-11-18 21:00:44,425 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 21:00:44,425 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b61b1b16-18e4-4ade-8556-c7f0f308a437/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 21:00:44,426 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b61b1b16-18e4-4ade-8556-c7f0f308a437/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 21:00:44,431 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 [2022-11-18 21:00:44,444 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b61b1b16-18e4-4ade-8556-c7f0f308a437/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2022-11-18 21:00:44,444 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 21:00:44,445 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 21:00:44,445 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 21:00:44,445 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 21:00:44,446 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 21:00:44,447 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 21:00:44,457 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 21:00:44,467 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b61b1b16-18e4-4ade-8556-c7f0f308a437/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2022-11-18 21:00:44,467 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 21:00:44,467 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b61b1b16-18e4-4ade-8556-c7f0f308a437/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 21:00:44,469 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b61b1b16-18e4-4ade-8556-c7f0f308a437/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 21:00:44,482 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 [2022-11-18 21:00:44,495 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 21:00:44,495 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 21:00:44,495 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 21:00:44,495 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 21:00:44,497 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 21:00:44,497 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 21:00:44,499 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b61b1b16-18e4-4ade-8556-c7f0f308a437/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2022-11-18 21:00:44,509 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 21:00:44,514 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b61b1b16-18e4-4ade-8556-c7f0f308a437/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2022-11-18 21:00:44,514 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 21:00:44,514 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b61b1b16-18e4-4ade-8556-c7f0f308a437/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 21:00:44,516 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b61b1b16-18e4-4ade-8556-c7f0f308a437/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 21:00:44,523 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 [2022-11-18 21:00:44,536 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b61b1b16-18e4-4ade-8556-c7f0f308a437/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2022-11-18 21:00:44,537 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 21:00:44,537 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 21:00:44,537 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 21:00:44,537 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 21:00:44,539 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 21:00:44,539 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 21:00:44,562 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 21:00:44,570 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b61b1b16-18e4-4ade-8556-c7f0f308a437/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2022-11-18 21:00:44,571 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 21:00:44,571 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b61b1b16-18e4-4ade-8556-c7f0f308a437/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 21:00:44,572 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b61b1b16-18e4-4ade-8556-c7f0f308a437/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 21:00:44,579 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 [2022-11-18 21:00:44,592 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b61b1b16-18e4-4ade-8556-c7f0f308a437/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2022-11-18 21:00:44,592 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 21:00:44,593 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 21:00:44,593 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 21:00:44,593 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 21:00:44,606 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 21:00:44,606 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 21:00:44,626 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-18 21:00:44,638 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2022-11-18 21:00:44,638 INFO L444 ModelExtractionUtils]: 11 out of 16 variables were initially zero. Simplification set additionally 2 variables to zero. [2022-11-18 21:00:44,639 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 21:00:44,639 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b61b1b16-18e4-4ade-8556-c7f0f308a437/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 21:00:44,644 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b61b1b16-18e4-4ade-8556-c7f0f308a437/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 21:00:44,662 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-18 21:00:44,666 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b61b1b16-18e4-4ade-8556-c7f0f308a437/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2022-11-18 21:00:44,684 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-18 21:00:44,684 INFO L513 LassoAnalysis]: Proved termination. [2022-11-18 21:00:44,684 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~idx_in~0#1, v_rep(select #length ULTIMATE.start_main_~#in~0#1.base)_2) = -1*ULTIMATE.start_main_~idx_in~0#1 + 1*v_rep(select #length ULTIMATE.start_main_~#in~0#1.base)_2 Supporting invariants [] [2022-11-18 21:00:44,694 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b61b1b16-18e4-4ade-8556-c7f0f308a437/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2022-11-18 21:00:44,749 INFO L156 tatePredicateManager]: 9 out of 10 supporting invariants were superfluous and have been removed [2022-11-18 21:00:44,777 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:00:44,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:44,824 INFO L263 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-18 21:00:44,825 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 21:00:44,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:44,955 INFO L263 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-18 21:00:44,956 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 21:00:44,956 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 21:00:44,957 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 1 loop predicates [2022-11-18 21:00:44,957 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 27 states and 28 transitions. cyclomatic complexity: 3 Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 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) [2022-11-18 21:00:44,981 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 27 states and 28 transitions. cyclomatic complexity: 3. Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 28 states and 29 transitions. Complement of second has 3 states. [2022-11-18 21:00:44,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 2 stem states 0 non-accepting loop states 1 accepting loop states [2022-11-18 21:00:44,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 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) [2022-11-18 21:00:44,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 7 transitions. [2022-11-18 21:00:44,983 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 26 letters. Loop has 1 letters. [2022-11-18 21:00:44,984 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 21:00:44,984 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 27 letters. Loop has 1 letters. [2022-11-18 21:00:44,985 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 21:00:44,985 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 26 letters. Loop has 2 letters. [2022-11-18 21:00:44,985 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 21:00:44,985 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 28 states and 29 transitions. [2022-11-18 21:00:44,986 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-18 21:00:44,986 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 28 states to 0 states and 0 transitions. [2022-11-18 21:00:44,986 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-11-18 21:00:44,986 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-11-18 21:00:44,987 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-11-18 21:00:44,987 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 21:00:44,987 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-18 21:00:44,987 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-18 21:00:44,987 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-18 21:00:44,987 INFO L335 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2022-11-18 21:00:44,987 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-11-18 21:00:44,988 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-18 21:00:44,988 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-11-18 21:00:44,995 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 18.11 09:00:44 BoogieIcfgContainer [2022-11-18 21:00:44,995 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-18 21:00:44,996 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-18 21:00:44,996 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-18 21:00:44,996 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-18 21:00:44,996 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:00:21" (3/4) ... [2022-11-18 21:00:44,999 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-18 21:00:45,000 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-18 21:00:45,000 INFO L158 Benchmark]: Toolchain (without parser) took 24150.57ms. Allocated memory was 94.4MB in the beginning and 138.4MB in the end (delta: 44.0MB). Free memory was 62.1MB in the beginning and 84.9MB in the end (delta: -22.7MB). Peak memory consumption was 21.6MB. Max. memory is 16.1GB. [2022-11-18 21:00:45,001 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 94.4MB. Free memory was 47.4MB in the beginning and 47.4MB in the end (delta: 77.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 21:00:45,001 INFO L158 Benchmark]: CACSL2BoogieTranslator took 283.14ms. Allocated memory is still 94.4MB. Free memory was 61.9MB in the beginning and 70.7MB in the end (delta: -8.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-18 21:00:45,002 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.61ms. Allocated memory is still 94.4MB. Free memory was 70.7MB in the beginning and 68.9MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-18 21:00:45,002 INFO L158 Benchmark]: Boogie Preprocessor took 27.71ms. Allocated memory is still 94.4MB. Free memory was 68.9MB in the beginning and 67.9MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-18 21:00:45,003 INFO L158 Benchmark]: RCFGBuilder took 447.59ms. Allocated memory is still 94.4MB. Free memory was 67.9MB in the beginning and 57.4MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-18 21:00:45,003 INFO L158 Benchmark]: BuchiAutomizer took 23342.91ms. Allocated memory was 94.4MB in the beginning and 138.4MB in the end (delta: 44.0MB). Free memory was 57.1MB in the beginning and 85.9MB in the end (delta: -28.9MB). Peak memory consumption was 16.2MB. Max. memory is 16.1GB. [2022-11-18 21:00:45,003 INFO L158 Benchmark]: Witness Printer took 4.26ms. Allocated memory is still 138.4MB. Free memory was 85.9MB in the beginning and 84.9MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-18 21:00:45,006 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 94.4MB. Free memory was 47.4MB in the beginning and 47.4MB in the end (delta: 77.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 283.14ms. Allocated memory is still 94.4MB. Free memory was 61.9MB in the beginning and 70.7MB in the end (delta: -8.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.61ms. Allocated memory is still 94.4MB. Free memory was 70.7MB in the beginning and 68.9MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.71ms. Allocated memory is still 94.4MB. Free memory was 68.9MB in the beginning and 67.9MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 447.59ms. Allocated memory is still 94.4MB. Free memory was 67.9MB in the beginning and 57.4MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 23342.91ms. Allocated memory was 94.4MB in the beginning and 138.4MB in the end (delta: 44.0MB). Free memory was 57.1MB in the beginning and 85.9MB in the end (delta: -28.9MB). Peak memory consumption was 16.2MB. Max. memory is 16.1GB. * Witness Printer took 4.26ms. Allocated memory is still 138.4MB. Free memory was 85.9MB in the beginning and 84.9MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 6 terminating modules (4 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -2 * i + 21 and consists of 5 locations. One deterministic module has affine ranking function unknown-#length-unknown[in] + -1 * idx_in and consists of 3 locations. 4 modules have a trivial ranking function, the largest among these consists of 14 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 23.2s and 7 iterations. TraceHistogramMax:11. Analysis of lassos took 22.3s. Construction of modules took 0.1s. Büchi inclusion checks took 0.5s. Highest rank in rank-based complementation 3. Minimization of det autom 6. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 8 StatesRemovedByMinimization, 4 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 40 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 39 mSDsluCounter, 36 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 13 mSDsCounter, 42 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 96 IncrementalHoareTripleChecker+Invalid, 138 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 42 mSolverCounterUnsat, 23 mSDtfsCounter, 96 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU4 SILI0 SILT0 lasso2 LassoPreprocessingBenchmarks: Lassos: inital205 mio100 ax100 hnf100 lsp100 ukn71 mio100 lsp36 div137 bol100 ite100 ukn100 eq159 hnf93 smp79 dnf161 smp83 tf100 neg99 sie102 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 95ms VariablesStem: 5 VariablesLoop: 10 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 4 MotzkinApplications: 16 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2022-11-18 21:00:45,021 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b61b1b16-18e4-4ade-8556-c7f0f308a437/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2022-11-18 21:00:45,224 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b61b1b16-18e4-4ade-8556-c7f0f308a437/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2022-11-18 21:00:45,424 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b61b1b16-18e4-4ade-8556-c7f0f308a437/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2022-11-18 21:00:45,624 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b61b1b16-18e4-4ade-8556-c7f0f308a437/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2022-11-18 21:00:45,826 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b61b1b16-18e4-4ade-8556-c7f0f308a437/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE