./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/loop-invgen/id_trans.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 8393723b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78cff123-e7f3-4441-8065-5b2ac0f1b030/bin/uautomizer-TMbwUNV5ro/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78cff123-e7f3-4441-8065-5b2ac0f1b030/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_78cff123-e7f3-4441-8065-5b2ac0f1b030/bin/uautomizer-TMbwUNV5ro/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78cff123-e7f3-4441-8065-5b2ac0f1b030/bin/uautomizer-TMbwUNV5ro/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/loop-invgen/id_trans.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78cff123-e7f3-4441-8065-5b2ac0f1b030/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_78cff123-e7f3-4441-8065-5b2ac0f1b030/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 6aaead44d7f76ddac498383f5d9663622bc4506781697c14d3a4988231066e32 --- 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 20:08:47,167 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 20:08:47,170 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 20:08:47,219 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 20:08:47,221 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 20:08:47,223 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 20:08:47,226 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 20:08:47,234 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 20:08:47,239 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 20:08:47,240 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 20:08:47,242 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 20:08:47,244 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 20:08:47,247 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 20:08:47,250 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 20:08:47,252 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 20:08:47,253 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 20:08:47,256 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 20:08:47,262 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 20:08:47,264 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 20:08:47,266 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 20:08:47,271 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 20:08:47,272 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 20:08:47,274 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 20:08:47,276 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 20:08:47,283 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 20:08:47,288 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 20:08:47,289 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 20:08:47,290 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 20:08:47,292 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 20:08:47,293 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 20:08:47,294 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 20:08:47,295 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 20:08:47,296 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 20:08:47,299 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 20:08:47,300 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 20:08:47,301 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 20:08:47,302 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 20:08:47,302 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 20:08:47,302 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 20:08:47,304 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 20:08:47,305 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 20:08:47,306 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78cff123-e7f3-4441-8065-5b2ac0f1b030/bin/uautomizer-TMbwUNV5ro/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-11-18 20:08:47,371 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 20:08:47,371 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 20:08:47,372 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 20:08:47,372 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 20:08:47,374 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 20:08:47,375 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 20:08:47,375 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 20:08:47,376 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-18 20:08:47,376 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-18 20:08:47,376 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-18 20:08:47,378 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-18 20:08:47,378 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-18 20:08:47,379 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-18 20:08:47,379 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 20:08:47,379 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-18 20:08:47,380 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-18 20:08:47,380 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-18 20:08:47,380 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-18 20:08:47,381 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 20:08:47,381 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-18 20:08:47,382 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-18 20:08:47,382 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-18 20:08:47,382 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-18 20:08:47,383 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-18 20:08:47,383 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-18 20:08:47,383 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 20:08:47,384 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-18 20:08:47,384 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 20:08:47,385 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 20:08:47,385 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 20:08:47,385 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-18 20:08:47,387 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-18 20:08:47,387 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_78cff123-e7f3-4441-8065-5b2ac0f1b030/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78cff123-e7f3-4441-8065-5b2ac0f1b030/bin/uautomizer-TMbwUNV5ro Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6aaead44d7f76ddac498383f5d9663622bc4506781697c14d3a4988231066e32 [2022-11-18 20:08:47,728 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 20:08:47,765 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 20:08:47,768 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 20:08:47,770 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 20:08:47,771 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 20:08:47,773 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78cff123-e7f3-4441-8065-5b2ac0f1b030/bin/uautomizer-TMbwUNV5ro/../../sv-benchmarks/c/loop-invgen/id_trans.i [2022-11-18 20:08:47,849 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78cff123-e7f3-4441-8065-5b2ac0f1b030/bin/uautomizer-TMbwUNV5ro/data/525cfd87c/b321f4865423463aa533d70fc246b6fb/FLAG1d2083773 [2022-11-18 20:08:48,404 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 20:08:48,405 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78cff123-e7f3-4441-8065-5b2ac0f1b030/sv-benchmarks/c/loop-invgen/id_trans.i [2022-11-18 20:08:48,412 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78cff123-e7f3-4441-8065-5b2ac0f1b030/bin/uautomizer-TMbwUNV5ro/data/525cfd87c/b321f4865423463aa533d70fc246b6fb/FLAG1d2083773 [2022-11-18 20:08:48,750 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78cff123-e7f3-4441-8065-5b2ac0f1b030/bin/uautomizer-TMbwUNV5ro/data/525cfd87c/b321f4865423463aa533d70fc246b6fb [2022-11-18 20:08:48,753 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 20:08:48,754 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 20:08:48,760 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 20:08:48,761 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 20:08:48,771 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 20:08:48,771 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:08:48" (1/1) ... [2022-11-18 20:08:48,773 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27706eee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:08:48, skipping insertion in model container [2022-11-18 20:08:48,773 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:08:48" (1/1) ... [2022-11-18 20:08:48,782 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 20:08:48,801 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 20:08:49,117 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_78cff123-e7f3-4441-8065-5b2ac0f1b030/sv-benchmarks/c/loop-invgen/id_trans.i[893,906] [2022-11-18 20:08:49,127 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 20:08:49,139 INFO L203 MainTranslator]: Completed pre-run [2022-11-18 20:08:49,157 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_78cff123-e7f3-4441-8065-5b2ac0f1b030/sv-benchmarks/c/loop-invgen/id_trans.i[893,906] [2022-11-18 20:08:49,176 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 20:08:49,196 INFO L208 MainTranslator]: Completed translation [2022-11-18 20:08:49,197 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:08:49 WrapperNode [2022-11-18 20:08:49,197 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 20:08:49,199 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-18 20:08:49,199 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-18 20:08:49,200 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-18 20:08:49,210 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:08:49" (1/1) ... [2022-11-18 20:08:49,220 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:08:49" (1/1) ... [2022-11-18 20:08:49,263 INFO L138 Inliner]: procedures = 16, calls = 10, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 61 [2022-11-18 20:08:49,264 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-18 20:08:49,265 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-18 20:08:49,265 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-18 20:08:49,265 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-18 20:08:49,276 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:08:49" (1/1) ... [2022-11-18 20:08:49,277 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:08:49" (1/1) ... [2022-11-18 20:08:49,291 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:08:49" (1/1) ... [2022-11-18 20:08:49,294 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:08:49" (1/1) ... [2022-11-18 20:08:49,298 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:08:49" (1/1) ... [2022-11-18 20:08:49,302 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:08:49" (1/1) ... [2022-11-18 20:08:49,303 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:08:49" (1/1) ... [2022-11-18 20:08:49,304 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:08:49" (1/1) ... [2022-11-18 20:08:49,306 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-18 20:08:49,307 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-18 20:08:49,308 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-18 20:08:49,308 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-18 20:08:49,309 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:08:49" (1/1) ... [2022-11-18 20:08:49,317 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:08:49,333 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78cff123-e7f3-4441-8065-5b2ac0f1b030/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:08:49,351 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78cff123-e7f3-4441-8065-5b2ac0f1b030/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:08:49,353 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78cff123-e7f3-4441-8065-5b2ac0f1b030/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-18 20:08:49,393 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-18 20:08:49,394 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-18 20:08:49,394 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-18 20:08:49,394 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-18 20:08:49,488 INFO L235 CfgBuilder]: Building ICFG [2022-11-18 20:08:49,491 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-18 20:08:49,677 INFO L276 CfgBuilder]: Performing block encoding [2022-11-18 20:08:49,692 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-18 20:08:49,693 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-18 20:08:49,695 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:08:49 BoogieIcfgContainer [2022-11-18 20:08:49,696 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-18 20:08:49,697 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-18 20:08:49,697 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-18 20:08:49,703 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-18 20:08:49,704 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-18 20:08:49,705 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 18.11 08:08:48" (1/3) ... [2022-11-18 20:08:49,706 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4d6988e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 08:08:49, skipping insertion in model container [2022-11-18 20:08:49,706 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-18 20:08:49,706 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:08:49" (2/3) ... [2022-11-18 20:08:49,723 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4d6988e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 08:08:49, skipping insertion in model container [2022-11-18 20:08:49,723 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-18 20:08:49,724 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:08:49" (3/3) ... [2022-11-18 20:08:49,725 INFO L332 chiAutomizerObserver]: Analyzing ICFG id_trans.i [2022-11-18 20:08:49,818 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-18 20:08:49,819 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-18 20:08:49,831 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-18 20:08:49,831 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-18 20:08:49,832 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-18 20:08:49,832 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-18 20:08:49,832 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-18 20:08:49,832 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-18 20:08:49,838 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 21 states, 20 states have (on average 1.35) internal successors, (27), 20 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 20:08:49,859 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 14 [2022-11-18 20:08:49,859 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 20:08:49,859 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 20:08:49,864 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2022-11-18 20:08:49,864 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:08:49,865 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-18 20:08:49,865 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 21 states, 20 states have (on average 1.35) internal successors, (27), 20 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 20:08:49,867 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 14 [2022-11-18 20:08:49,867 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 20:08:49,867 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 20:08:49,868 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2022-11-18 20:08:49,868 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:08:49,877 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(9, 2); 8#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~nondet2#1, main_#t~nondet3#1, main_#t~post4#1, main_~idBitLength~0#1, main_~material_length~0#1, main_~nlen~0#1, main_~j~0#1, main_~k~0#1;havoc main_~idBitLength~0#1;havoc main_~material_length~0#1;havoc main_~nlen~0#1;havoc main_~j~0#1;havoc main_~k~0#1;main_~nlen~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;main_~idBitLength~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1;main_~material_length~0#1 := main_#t~nondet3#1;havoc main_#t~nondet3#1; 5#L30true assume !!(main_~nlen~0#1 == (if main_~idBitLength~0#1 < 0 && 0 != main_~idBitLength~0#1 % 32 then 1 + main_~idBitLength~0#1 / 32 else main_~idBitLength~0#1 / 32));main_~j~0#1 := 0; 11#L31-3true [2022-11-18 20:08:49,878 INFO L750 eck$LassoCheckResult]: Loop: 11#L31-3true assume !!(main_~j~0#1 < (if main_~idBitLength~0#1 < 0 && 0 != main_~idBitLength~0#1 % 8 then 1 + main_~idBitLength~0#1 / 8 else main_~idBitLength~0#1 / 8) && main_~j~0#1 < main_~material_length~0#1);assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if 0 <= main_~j~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 13#L18true assume !(0 == __VERIFIER_assert_~cond#1); 15#L18-2true assume { :end_inline___VERIFIER_assert } true;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if main_~j~0#1 < main_~material_length~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 17#L18-3true assume !(0 == __VERIFIER_assert_~cond#1); 6#L18-5true assume { :end_inline___VERIFIER_assert } true;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if 0 <= (if main_~j~0#1 < 0 && 0 != main_~j~0#1 % 4 then 1 + main_~j~0#1 / 4 else main_~j~0#1 / 4) then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 16#L18-6true assume !(0 == __VERIFIER_assert_~cond#1); 9#L18-8true assume { :end_inline___VERIFIER_assert } true;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if (if main_~j~0#1 < 0 && 0 != main_~j~0#1 % 4 then 1 + main_~j~0#1 / 4 else main_~j~0#1 / 4) < main_~nlen~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 12#L18-9true assume !(0 == __VERIFIER_assert_~cond#1); 14#L18-11true assume { :end_inline___VERIFIER_assert } true; 20#L31-2true main_#t~post4#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 11#L31-3true [2022-11-18 20:08:49,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:08:49,885 INFO L85 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 1 times [2022-11-18 20:08:49,896 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:08:49,897 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1851916468] [2022-11-18 20:08:49,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:08:49,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:08:50,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:08:50,004 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:08:50,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:08:50,039 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:08:50,043 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:08:50,043 INFO L85 PathProgramCache]: Analyzing trace with hash -1560846529, now seen corresponding path program 1 times [2022-11-18 20:08:50,044 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:08:50,044 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [589790229] [2022-11-18 20:08:50,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:08:50,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:08:50,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:08:50,086 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:08:50,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:08:50,121 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:08:50,123 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:08:50,124 INFO L85 PathProgramCache]: Analyzing trace with hash 294954018, now seen corresponding path program 1 times [2022-11-18 20:08:50,124 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:08:50,125 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1727061924] [2022-11-18 20:08:50,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:08:50,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:08:50,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:08:50,163 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:08:50,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:08:50,198 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:08:50,955 INFO L210 LassoAnalysis]: Preferences: [2022-11-18 20:08:50,956 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-18 20:08:50,956 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-18 20:08:50,956 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-18 20:08:50,957 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-11-18 20:08:50,957 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:08:50,957 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-18 20:08:50,958 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-18 20:08:50,958 INFO L133 ssoRankerPreferences]: Filename of dumped script: id_trans.i_Iteration1_Loop [2022-11-18 20:08:50,958 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-18 20:08:50,958 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-18 20:08:50,979 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 20:08:51,024 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 20:08:51,028 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 20:08:51,226 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-18 20:08:51,228 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-11-18 20:08:51,231 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:08:51,231 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78cff123-e7f3-4441-8065-5b2ac0f1b030/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:08:51,233 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78cff123-e7f3-4441-8065-5b2ac0f1b030/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:08:51,236 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78cff123-e7f3-4441-8065-5b2ac0f1b030/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-11-18 20:08:51,237 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-18 20:08:51,237 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-18 20:08:51,292 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78cff123-e7f3-4441-8065-5b2ac0f1b030/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-11-18 20:08:51,292 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:08:51,293 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78cff123-e7f3-4441-8065-5b2ac0f1b030/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:08:51,296 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78cff123-e7f3-4441-8065-5b2ac0f1b030/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:08:51,299 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78cff123-e7f3-4441-8065-5b2ac0f1b030/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-11-18 20:08:51,301 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-11-18 20:08:51,301 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-18 20:08:51,408 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-11-18 20:08:51,420 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78cff123-e7f3-4441-8065-5b2ac0f1b030/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-11-18 20:08:51,420 INFO L210 LassoAnalysis]: Preferences: [2022-11-18 20:08:51,420 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-18 20:08:51,420 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-18 20:08:51,421 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-18 20:08:51,421 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-18 20:08:51,421 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:08:51,421 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-18 20:08:51,421 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-18 20:08:51,422 INFO L133 ssoRankerPreferences]: Filename of dumped script: id_trans.i_Iteration1_Loop [2022-11-18 20:08:51,422 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-18 20:08:51,422 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-18 20:08:51,423 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 20:08:51,439 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 20:08:51,443 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 20:08:51,604 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-18 20:08:51,611 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-18 20:08:51,614 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:08:51,615 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78cff123-e7f3-4441-8065-5b2ac0f1b030/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:08:51,616 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78cff123-e7f3-4441-8065-5b2ac0f1b030/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:08:51,631 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78cff123-e7f3-4441-8065-5b2ac0f1b030/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-11-18 20:08:51,632 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 20:08:51,649 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:08:51,649 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:08:51,650 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:08:51,650 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:08:51,651 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:08:51,655 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:08:51,655 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:08:51,666 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:08:51,676 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78cff123-e7f3-4441-8065-5b2ac0f1b030/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2022-11-18 20:08:51,677 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:08:51,677 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78cff123-e7f3-4441-8065-5b2ac0f1b030/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:08:51,679 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78cff123-e7f3-4441-8065-5b2ac0f1b030/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:08:51,689 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 20:08:51,705 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78cff123-e7f3-4441-8065-5b2ac0f1b030/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-11-18 20:08:51,706 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:08:51,706 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:08:51,706 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:08:51,706 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:08:51,707 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:08:51,707 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:08:51,708 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:08:51,723 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:08:51,733 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78cff123-e7f3-4441-8065-5b2ac0f1b030/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-11-18 20:08:51,734 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:08:51,734 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78cff123-e7f3-4441-8065-5b2ac0f1b030/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:08:51,737 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78cff123-e7f3-4441-8065-5b2ac0f1b030/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:08:51,745 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 20:08:51,745 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78cff123-e7f3-4441-8065-5b2ac0f1b030/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-11-18 20:08:51,760 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:08:51,760 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:08:51,761 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:08:51,761 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:08:51,761 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:08:51,765 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:08:51,766 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:08:51,787 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-18 20:08:51,798 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-11-18 20:08:51,798 INFO L444 ModelExtractionUtils]: 3 out of 6 variables were initially zero. Simplification set additionally 0 variables to zero. [2022-11-18 20:08:51,800 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:08:51,800 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78cff123-e7f3-4441-8065-5b2ac0f1b030/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:08:51,806 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78cff123-e7f3-4441-8065-5b2ac0f1b030/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:08:51,809 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-18 20:08:51,809 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-11-18 20:08:51,809 INFO L513 LassoAnalysis]: Proved termination. [2022-11-18 20:08:51,810 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~nlen~0#1, ULTIMATE.start_main_~j~0#1) = 4*ULTIMATE.start_main_~nlen~0#1 - 1*ULTIMATE.start_main_~j~0#1 Supporting invariants [] [2022-11-18 20:08:51,824 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78cff123-e7f3-4441-8065-5b2ac0f1b030/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-11-18 20:08:51,825 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78cff123-e7f3-4441-8065-5b2ac0f1b030/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2022-11-18 20:08:51,829 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-11-18 20:08:51,863 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:08:51,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:08:51,886 INFO L263 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-18 20:08:51,887 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:08:51,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:08:51,928 INFO L263 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-18 20:08:51,932 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:08:52,344 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78cff123-e7f3-4441-8065-5b2ac0f1b030/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2022-11-18 20:08:52,449 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 20:08:52,492 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2022-11-18 20:08:52,494 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 21 states, 20 states have (on average 1.35) internal successors, (27), 20 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) Second operand has 5 states, 5 states have (on average 2.6) internal successors, (13), 5 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 20:08:52,680 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 21 states, 20 states have (on average 1.35) internal successors, (27), 20 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). Second operand has 5 states, 5 states have (on average 2.6) internal successors, (13), 5 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) Result 60 states and 74 transitions. Complement of second has 9 states. [2022-11-18 20:08:52,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2022-11-18 20:08:52,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 2.6) internal successors, (13), 5 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 20:08:52,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 52 transitions. [2022-11-18 20:08:52,692 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 52 transitions. Stem has 3 letters. Loop has 10 letters. [2022-11-18 20:08:52,693 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:08:52,693 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 52 transitions. Stem has 13 letters. Loop has 10 letters. [2022-11-18 20:08:52,694 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:08:52,694 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 52 transitions. Stem has 3 letters. Loop has 20 letters. [2022-11-18 20:08:52,695 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:08:52,696 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 60 states and 74 transitions. [2022-11-18 20:08:52,700 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-18 20:08:52,703 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 60 states to 0 states and 0 transitions. [2022-11-18 20:08:52,704 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-11-18 20:08:52,705 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-11-18 20:08:52,705 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-11-18 20:08:52,706 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:08:52,706 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-18 20:08:52,706 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-18 20:08:52,706 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-18 20:08:52,707 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-18 20:08:52,707 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-11-18 20:08:52,707 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-18 20:08:52,707 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-11-18 20:08:52,716 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 18.11 08:08:52 BoogieIcfgContainer [2022-11-18 20:08:52,716 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-18 20:08:52,717 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-18 20:08:52,717 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-18 20:08:52,717 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-18 20:08:52,718 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:08:49" (3/4) ... [2022-11-18 20:08:52,722 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-18 20:08:52,722 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-18 20:08:52,723 INFO L158 Benchmark]: Toolchain (without parser) took 3968.60ms. Allocated memory was 130.0MB in the beginning and 184.5MB in the end (delta: 54.5MB). Free memory was 84.9MB in the beginning and 132.4MB in the end (delta: -47.4MB). Peak memory consumption was 8.1MB. Max. memory is 16.1GB. [2022-11-18 20:08:52,724 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 130.0MB. Free memory is still 101.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 20:08:52,725 INFO L158 Benchmark]: CACSL2BoogieTranslator took 437.69ms. Allocated memory is still 130.0MB. Free memory was 84.7MB in the beginning and 102.1MB in the end (delta: -17.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-18 20:08:52,725 INFO L158 Benchmark]: Boogie Procedure Inliner took 64.90ms. Allocated memory is still 130.0MB. Free memory was 102.1MB in the beginning and 100.9MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-18 20:08:52,726 INFO L158 Benchmark]: Boogie Preprocessor took 41.84ms. Allocated memory is still 130.0MB. Free memory was 100.9MB in the beginning and 99.3MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-18 20:08:52,727 INFO L158 Benchmark]: RCFGBuilder took 388.39ms. Allocated memory is still 130.0MB. Free memory was 99.3MB in the beginning and 89.3MB in the end (delta: 10.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-18 20:08:52,728 INFO L158 Benchmark]: BuchiAutomizer took 3019.56ms. Allocated memory was 130.0MB in the beginning and 184.5MB in the end (delta: 54.5MB). Free memory was 88.9MB in the beginning and 132.4MB in the end (delta: -43.5MB). Peak memory consumption was 12.5MB. Max. memory is 16.1GB. [2022-11-18 20:08:52,728 INFO L158 Benchmark]: Witness Printer took 5.37ms. Allocated memory is still 184.5MB. Free memory is still 132.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 20:08:52,732 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 130.0MB. Free memory is still 101.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 437.69ms. Allocated memory is still 130.0MB. Free memory was 84.7MB in the beginning and 102.1MB in the end (delta: -17.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 64.90ms. Allocated memory is still 130.0MB. Free memory was 102.1MB in the beginning and 100.9MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 41.84ms. Allocated memory is still 130.0MB. Free memory was 100.9MB in the beginning and 99.3MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 388.39ms. Allocated memory is still 130.0MB. Free memory was 99.3MB in the beginning and 89.3MB in the end (delta: 10.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 3019.56ms. Allocated memory was 130.0MB in the beginning and 184.5MB in the end (delta: 54.5MB). Free memory was 88.9MB in the beginning and 132.4MB in the end (delta: -43.5MB). Peak memory consumption was 12.5MB. Max. memory is 16.1GB. * Witness Printer took 5.37ms. Allocated memory is still 184.5MB. Free memory is still 132.4MB. There was no memory consumed. 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 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -1 * j + 4 * nlen and consists of 6 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.9s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.9s. Construction of modules took 0.0s. Büchi inclusion checks took 0.8s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. 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 [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 27 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 26 mSDsluCounter, 38 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 22 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 31 IncrementalHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 16 mSDtfsCounter, 31 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital29 mio100 ax100 hnf100 lsp79 ukn100 mio100 lsp100 div404 bol100 ite100 ukn100 eq106 hnf98 smp48 dnf100 smp100 tf104 neg100 sie112 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 52ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.1s 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 20:08:52,764 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78cff123-e7f3-4441-8065-5b2ac0f1b030/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