./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-bwb/or-01-false.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 2329fc70 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_1aa83196-ccf1-4cdb-8ef9-0e6873d9f960/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aa83196-ccf1-4cdb-8ef9-0e6873d9f960/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aa83196-ccf1-4cdb-8ef9-0e6873d9f960/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aa83196-ccf1-4cdb-8ef9-0e6873d9f960/bin/uautomizer-uyxdKDjOR8/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-bwb/or-01-false.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aa83196-ccf1-4cdb-8ef9-0e6873d9f960/bin/uautomizer-uyxdKDjOR8/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aa83196-ccf1-4cdb-8ef9-0e6873d9f960/bin/uautomizer-uyxdKDjOR8 --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 64bit --witnessprinter.graph.data.programhash 27f6dd6670246e3ca4e6c623cb9f51b5c6047d451228e1aee45d57f14ef18408 --- 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-2329fc7 [2022-12-13 18:16:49,172 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 18:16:49,174 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 18:16:49,193 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 18:16:49,193 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 18:16:49,194 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 18:16:49,196 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 18:16:49,197 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 18:16:49,199 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 18:16:49,200 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 18:16:49,200 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 18:16:49,201 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 18:16:49,202 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 18:16:49,203 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 18:16:49,204 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 18:16:49,205 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 18:16:49,206 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 18:16:49,207 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 18:16:49,208 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 18:16:49,210 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 18:16:49,211 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 18:16:49,213 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 18:16:49,214 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 18:16:49,215 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 18:16:49,218 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 18:16:49,218 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 18:16:49,218 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 18:16:49,219 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 18:16:49,220 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 18:16:49,221 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 18:16:49,221 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 18:16:49,221 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 18:16:49,222 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 18:16:49,223 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 18:16:49,224 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 18:16:49,224 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 18:16:49,225 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 18:16:49,225 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 18:16:49,225 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 18:16:49,225 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 18:16:49,226 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 18:16:49,227 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aa83196-ccf1-4cdb-8ef9-0e6873d9f960/bin/uautomizer-uyxdKDjOR8/config/svcomp-Termination-64bit-Automizer_Default.epf [2022-12-13 18:16:49,254 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 18:16:49,254 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 18:16:49,254 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 18:16:49,254 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 18:16:49,255 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 18:16:49,255 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 18:16:49,255 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 18:16:49,256 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-12-13 18:16:49,256 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-12-13 18:16:49,256 INFO L138 SettingsManager]: * Use old map elimination=false [2022-12-13 18:16:49,256 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-12-13 18:16:49,256 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-12-13 18:16:49,256 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-12-13 18:16:49,256 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 18:16:49,256 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 18:16:49,257 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 18:16:49,257 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 18:16:49,257 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-12-13 18:16:49,257 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-12-13 18:16:49,257 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-12-13 18:16:49,257 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 18:16:49,257 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-12-13 18:16:49,257 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 18:16:49,257 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-12-13 18:16:49,258 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 18:16:49,258 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 18:16:49,258 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 18:16:49,258 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 18:16:49,259 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-12-13 18:16:49,259 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_1aa83196-ccf1-4cdb-8ef9-0e6873d9f960/bin/uautomizer-uyxdKDjOR8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aa83196-ccf1-4cdb-8ef9-0e6873d9f960/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 27f6dd6670246e3ca4e6c623cb9f51b5c6047d451228e1aee45d57f14ef18408 [2022-12-13 18:16:49,434 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 18:16:49,454 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 18:16:49,456 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 18:16:49,457 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 18:16:49,458 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 18:16:49,459 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aa83196-ccf1-4cdb-8ef9-0e6873d9f960/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/termination-bwb/or-01-false.c [2022-12-13 18:16:52,087 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 18:16:52,224 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 18:16:52,224 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aa83196-ccf1-4cdb-8ef9-0e6873d9f960/sv-benchmarks/c/termination-bwb/or-01-false.c [2022-12-13 18:16:52,228 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aa83196-ccf1-4cdb-8ef9-0e6873d9f960/bin/uautomizer-uyxdKDjOR8/data/20a013134/482190c5e66d425682ae86882c6a8268/FLAG11c898ece [2022-12-13 18:16:52,239 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aa83196-ccf1-4cdb-8ef9-0e6873d9f960/bin/uautomizer-uyxdKDjOR8/data/20a013134/482190c5e66d425682ae86882c6a8268 [2022-12-13 18:16:52,241 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 18:16:52,242 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 18:16:52,243 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 18:16:52,243 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 18:16:52,246 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 18:16:52,246 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 06:16:52" (1/1) ... [2022-12-13 18:16:52,247 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47266803 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:16:52, skipping insertion in model container [2022-12-13 18:16:52,247 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 06:16:52" (1/1) ... [2022-12-13 18:16:52,254 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 18:16:52,263 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 18:16:52,357 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 18:16:52,361 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 18:16:52,370 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 18:16:52,379 INFO L208 MainTranslator]: Completed translation [2022-12-13 18:16:52,379 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:16:52 WrapperNode [2022-12-13 18:16:52,379 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 18:16:52,380 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 18:16:52,380 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 18:16:52,380 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 18:16:52,385 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:16:52" (1/1) ... [2022-12-13 18:16:52,389 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:16:52" (1/1) ... [2022-12-13 18:16:52,400 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 26 [2022-12-13 18:16:52,400 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 18:16:52,400 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 18:16:52,400 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 18:16:52,400 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 18:16:52,407 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:16:52" (1/1) ... [2022-12-13 18:16:52,407 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:16:52" (1/1) ... [2022-12-13 18:16:52,407 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:16:52" (1/1) ... [2022-12-13 18:16:52,407 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:16:52" (1/1) ... [2022-12-13 18:16:52,410 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:16:52" (1/1) ... [2022-12-13 18:16:52,413 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:16:52" (1/1) ... [2022-12-13 18:16:52,414 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:16:52" (1/1) ... [2022-12-13 18:16:52,414 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:16:52" (1/1) ... [2022-12-13 18:16:52,415 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 18:16:52,415 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 18:16:52,416 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 18:16:52,416 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 18:16:52,416 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:16:52" (1/1) ... [2022-12-13 18:16:52,421 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 18:16:52,429 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aa83196-ccf1-4cdb-8ef9-0e6873d9f960/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 18:16:52,438 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aa83196-ccf1-4cdb-8ef9-0e6873d9f960/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 18:16:52,440 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aa83196-ccf1-4cdb-8ef9-0e6873d9f960/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-12-13 18:16:52,476 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 18:16:52,476 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 18:16:52,519 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 18:16:52,521 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 18:16:52,586 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 18:16:52,592 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 18:16:52,592 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-13 18:16:52,593 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 06:16:52 BoogieIcfgContainer [2022-12-13 18:16:52,594 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 18:16:52,594 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-12-13 18:16:52,595 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-12-13 18:16:52,598 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-12-13 18:16:52,598 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 18:16:52,598 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.12 06:16:52" (1/3) ... [2022-12-13 18:16:52,599 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4d9b4194 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.12 06:16:52, skipping insertion in model container [2022-12-13 18:16:52,599 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 18:16:52,599 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:16:52" (2/3) ... [2022-12-13 18:16:52,599 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4d9b4194 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.12 06:16:52, skipping insertion in model container [2022-12-13 18:16:52,599 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 18:16:52,600 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 06:16:52" (3/3) ... [2022-12-13 18:16:52,601 INFO L332 chiAutomizerObserver]: Analyzing ICFG or-01-false.c [2022-12-13 18:16:52,646 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-12-13 18:16:52,646 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-12-13 18:16:52,646 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-12-13 18:16:52,646 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-12-13 18:16:52,646 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-12-13 18:16:52,646 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-12-13 18:16:52,646 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-12-13 18:16:52,646 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-12-13 18:16:52,650 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 10 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 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) [2022-12-13 18:16:52,664 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2022-12-13 18:16:52,664 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 18:16:52,664 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 18:16:52,668 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-12-13 18:16:52,668 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-12-13 18:16:52,668 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-12-13 18:16:52,668 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 10 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 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) [2022-12-13 18:16:52,669 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2022-12-13 18:16:52,669 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 18:16:52,669 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 18:16:52,669 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-12-13 18:16:52,670 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-12-13 18:16:52,675 INFO L748 eck$LassoCheckResult]: Stem: 7#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true; 10#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_~a~0#1, main_~b~0#1, main_~x~0#1;havoc main_~a~0#1;havoc main_~b~0#1;havoc main_~x~0#1;main_~a~0#1 := 16;main_~b~0#1 := 30;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1; 4#L20-2true [2022-12-13 18:16:52,675 INFO L750 eck$LassoCheckResult]: Loop: 4#L20-2true assume !!(main_~x~0#1 >= 0); 5#L21true assume 0 == main_~b~0#1 || main_~b~0#1 == main_~a~0#1;main_#t~nondet1#1 := main_~a~0#1; 9#L21-4true main_~b~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;main_~x~0#1 := main_~x~0#1 + main_~b~0#1; 4#L20-2true [2022-12-13 18:16:52,680 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:16:52,681 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2022-12-13 18:16:52,688 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:16:52,689 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1140834506] [2022-12-13 18:16:52,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:16:52,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:16:52,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 18:16:52,747 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 18:16:52,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 18:16:52,762 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 18:16:52,764 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:16:52,764 INFO L85 PathProgramCache]: Analyzing trace with hash 40819, now seen corresponding path program 1 times [2022-12-13 18:16:52,764 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:16:52,765 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1915219923] [2022-12-13 18:16:52,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:16:52,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:16:52,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 18:16:52,775 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 18:16:52,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 18:16:52,782 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 18:16:52,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:16:52,783 INFO L85 PathProgramCache]: Analyzing trace with hash 28699761, now seen corresponding path program 1 times [2022-12-13 18:16:52,784 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:16:52,784 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [589875112] [2022-12-13 18:16:52,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:16:52,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:16:52,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:16:52,870 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 18:16:52,870 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:16:52,870 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [589875112] [2022-12-13 18:16:52,871 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [589875112] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:16:52,871 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:16:52,871 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 18:16:52,872 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [772946771] [2022-12-13 18:16:52,872 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:16:52,943 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:16:52,974 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 18:16:52,974 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 18:16:52,976 INFO L87 Difference]: Start difference. First operand has 10 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 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) Second operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:16:52,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:16:52,997 INFO L93 Difference]: Finished difference Result 18 states and 21 transitions. [2022-12-13 18:16:52,999 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 18 states and 21 transitions. [2022-12-13 18:16:53,000 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2022-12-13 18:16:53,003 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 18 states to 10 states and 13 transitions. [2022-12-13 18:16:53,004 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2022-12-13 18:16:53,004 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2022-12-13 18:16:53,005 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 13 transitions. [2022-12-13 18:16:53,005 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 18:16:53,005 INFO L218 hiAutomatonCegarLoop]: Abstraction has 10 states and 13 transitions. [2022-12-13 18:16:53,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states and 13 transitions. [2022-12-13 18:16:53,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 8. [2022-12-13 18:16:53,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 1.25) internal successors, (10), 7 states have internal predecessors, (10), 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) [2022-12-13 18:16:53,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 10 transitions. [2022-12-13 18:16:53,033 INFO L240 hiAutomatonCegarLoop]: Abstraction has 8 states and 10 transitions. [2022-12-13 18:16:53,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 18:16:53,038 INFO L428 stractBuchiCegarLoop]: Abstraction has 8 states and 10 transitions. [2022-12-13 18:16:53,038 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-12-13 18:16:53,038 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states and 10 transitions. [2022-12-13 18:16:53,039 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2022-12-13 18:16:53,039 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 18:16:53,039 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 18:16:53,039 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2022-12-13 18:16:53,039 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2022-12-13 18:16:53,040 INFO L748 eck$LassoCheckResult]: Stem: 42#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 43#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_~a~0#1, main_~b~0#1, main_~x~0#1;havoc main_~a~0#1;havoc main_~b~0#1;havoc main_~x~0#1;main_~a~0#1 := 16;main_~b~0#1 := 30;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1; 41#L20-2 assume !!(main_~x~0#1 >= 0); 39#L21 assume !(0 == main_~b~0#1 || main_~b~0#1 == main_~a~0#1); 40#L21-2 [2022-12-13 18:16:53,040 INFO L750 eck$LassoCheckResult]: Loop: 40#L21-2 assume 0 == main_~a~0#1;main_#t~nondet1#1 := main_~b~0#1; 44#L21-4 main_~b~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;main_~x~0#1 := main_~x~0#1 + main_~b~0#1; 45#L20-2 assume !!(main_~x~0#1 >= 0); 46#L21 assume !(0 == main_~b~0#1 || main_~b~0#1 == main_~a~0#1); 40#L21-2 [2022-12-13 18:16:53,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:16:53,040 INFO L85 PathProgramCache]: Analyzing trace with hash 925800, now seen corresponding path program 1 times [2022-12-13 18:16:53,041 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:16:53,041 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1002360025] [2022-12-13 18:16:53,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:16:53,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:16:53,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 18:16:53,046 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 18:16:53,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 18:16:53,050 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 18:16:53,051 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:16:53,051 INFO L85 PathProgramCache]: Analyzing trace with hash 1512010, now seen corresponding path program 1 times [2022-12-13 18:16:53,051 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:16:53,052 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2140391070] [2022-12-13 18:16:53,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:16:53,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:16:53,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 18:16:53,059 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 18:16:53,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 18:16:53,065 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 18:16:53,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:16:53,066 INFO L85 PathProgramCache]: Analyzing trace with hash 297838385, now seen corresponding path program 1 times [2022-12-13 18:16:53,066 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:16:53,066 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1650022623] [2022-12-13 18:16:53,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:16:53,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:16:53,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:16:53,094 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 18:16:53,094 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:16:53,094 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1650022623] [2022-12-13 18:16:53,095 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1650022623] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:16:53,095 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:16:53,095 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 18:16:53,095 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1670585036] [2022-12-13 18:16:53,095 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:16:53,146 INFO L210 LassoAnalysis]: Preferences: [2022-12-13 18:16:53,146 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-12-13 18:16:53,146 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-12-13 18:16:53,147 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-12-13 18:16:53,147 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-12-13 18:16:53,147 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 18:16:53,147 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-12-13 18:16:53,147 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-12-13 18:16:53,147 INFO L133 ssoRankerPreferences]: Filename of dumped script: or-01-false.c_Iteration2_Loop [2022-12-13 18:16:53,147 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-12-13 18:16:53,147 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-12-13 18:16:53,158 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 18:16:53,166 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 18:16:53,174 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 18:16:53,248 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-12-13 18:16:53,248 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-12-13 18:16:53,250 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 18:16:53,250 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aa83196-ccf1-4cdb-8ef9-0e6873d9f960/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 18:16:53,251 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aa83196-ccf1-4cdb-8ef9-0e6873d9f960/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 18:16:53,252 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aa83196-ccf1-4cdb-8ef9-0e6873d9f960/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-12-13 18:16:53,253 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-12-13 18:16:53,253 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-12-13 18:16:53,268 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-12-13 18:16:53,268 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~a~0#1=0} Honda state: {ULTIMATE.start_main_~a~0#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-12-13 18:16:53,272 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aa83196-ccf1-4cdb-8ef9-0e6873d9f960/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-12-13 18:16:53,272 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 18:16:53,272 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aa83196-ccf1-4cdb-8ef9-0e6873d9f960/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 18:16:53,273 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aa83196-ccf1-4cdb-8ef9-0e6873d9f960/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 18:16:53,274 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aa83196-ccf1-4cdb-8ef9-0e6873d9f960/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-12-13 18:16:53,275 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-12-13 18:16:53,275 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-12-13 18:16:53,290 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aa83196-ccf1-4cdb-8ef9-0e6873d9f960/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2022-12-13 18:16:53,290 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 18:16:53,291 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aa83196-ccf1-4cdb-8ef9-0e6873d9f960/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 18:16:53,291 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aa83196-ccf1-4cdb-8ef9-0e6873d9f960/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 18:16:53,292 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aa83196-ccf1-4cdb-8ef9-0e6873d9f960/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-12-13 18:16:53,294 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-12-13 18:16:53,294 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-12-13 18:16:53,442 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-12-13 18:16:53,442 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~x~0#1=-5, ULTIMATE.start_main_~b~0#1=5} Honda state: {ULTIMATE.start_main_~x~0#1=-5, ULTIMATE.start_main_~b~0#1=5} Generalized eigenvectors: [{ULTIMATE.start_main_~x~0#1=5, ULTIMATE.start_main_~b~0#1=0}, {ULTIMATE.start_main_~x~0#1=0, ULTIMATE.start_main_~b~0#1=0}, {ULTIMATE.start_main_~x~0#1=0, ULTIMATE.start_main_~b~0#1=0}] Lambdas: [1, 2, 0] Nus: [1, 1] [2022-12-13 18:16:53,446 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aa83196-ccf1-4cdb-8ef9-0e6873d9f960/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2022-12-13 18:16:53,446 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 18:16:53,446 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aa83196-ccf1-4cdb-8ef9-0e6873d9f960/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 18:16:53,447 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aa83196-ccf1-4cdb-8ef9-0e6873d9f960/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 18:16:53,448 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aa83196-ccf1-4cdb-8ef9-0e6873d9f960/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-12-13 18:16:53,449 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-12-13 18:16:53,450 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-12-13 18:16:53,461 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-12-13 18:16:53,461 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet1#1=0} Honda state: {ULTIMATE.start_main_#t~nondet1#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-12-13 18:16:53,464 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aa83196-ccf1-4cdb-8ef9-0e6873d9f960/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2022-12-13 18:16:53,465 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:16:53,465 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 18:16:53,465 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 18:16:53,465 INFO L87 Difference]: Start difference. First operand 8 states and 10 transitions. cyclomatic complexity: 3 Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 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) [2022-12-13 18:16:53,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:16:53,470 INFO L93 Difference]: Finished difference Result 8 states and 9 transitions. [2022-12-13 18:16:53,470 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 8 states and 9 transitions. [2022-12-13 18:16:53,471 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2022-12-13 18:16:53,471 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 8 states to 8 states and 9 transitions. [2022-12-13 18:16:53,471 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2022-12-13 18:16:53,472 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2022-12-13 18:16:53,472 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 9 transitions. [2022-12-13 18:16:53,472 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 18:16:53,472 INFO L218 hiAutomatonCegarLoop]: Abstraction has 8 states and 9 transitions. [2022-12-13 18:16:53,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states and 9 transitions. [2022-12-13 18:16:53,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 8. [2022-12-13 18:16:53,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 1.125) internal successors, (9), 7 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) [2022-12-13 18:16:53,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 9 transitions. [2022-12-13 18:16:53,473 INFO L240 hiAutomatonCegarLoop]: Abstraction has 8 states and 9 transitions. [2022-12-13 18:16:53,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 18:16:53,474 INFO L428 stractBuchiCegarLoop]: Abstraction has 8 states and 9 transitions. [2022-12-13 18:16:53,474 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-12-13 18:16:53,474 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states and 9 transitions. [2022-12-13 18:16:53,475 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2022-12-13 18:16:53,475 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 18:16:53,475 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 18:16:53,475 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2022-12-13 18:16:53,476 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2022-12-13 18:16:53,476 INFO L748 eck$LassoCheckResult]: Stem: 66#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 67#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_~a~0#1, main_~b~0#1, main_~x~0#1;havoc main_~a~0#1;havoc main_~b~0#1;havoc main_~x~0#1;main_~a~0#1 := 16;main_~b~0#1 := 30;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1; 63#L20-2 assume !!(main_~x~0#1 >= 0); 64#L21 assume !(0 == main_~b~0#1 || main_~b~0#1 == main_~a~0#1); 65#L21-2 [2022-12-13 18:16:53,476 INFO L750 eck$LassoCheckResult]: Loop: 65#L21-2 assume !(0 == main_~a~0#1);main_#t~nondet1#1 := ~bitwiseOr(main_~b~0#1, main_~a~0#1);assume (main_~b~0#1 < 0 || main_~a~0#1 < 0) || (main_#t~nondet1#1 >= main_~b~0#1 && main_#t~nondet1#1 >= main_~a~0#1);assume (main_~b~0#1 >= 0 && main_~a~0#1 >= 0) || main_#t~nondet1#1 < 0;assume (main_~b~0#1 < 0 || main_~a~0#1 < 0) || main_#t~nondet1#1 <= main_~b~0#1 + main_~a~0#1; 68#L21-4 main_~b~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;main_~x~0#1 := main_~x~0#1 + main_~b~0#1; 69#L20-2 assume !!(main_~x~0#1 >= 0); 70#L21 assume !(0 == main_~b~0#1 || main_~b~0#1 == main_~a~0#1); 65#L21-2 [2022-12-13 18:16:53,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:16:53,476 INFO L85 PathProgramCache]: Analyzing trace with hash 925800, now seen corresponding path program 2 times [2022-12-13 18:16:53,477 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:16:53,477 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2027642957] [2022-12-13 18:16:53,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:16:53,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:16:53,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 18:16:53,480 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 18:16:53,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 18:16:53,483 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 18:16:53,483 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:16:53,483 INFO L85 PathProgramCache]: Analyzing trace with hash 1571592, now seen corresponding path program 1 times [2022-12-13 18:16:53,484 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:16:53,484 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1643774926] [2022-12-13 18:16:53,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:16:53,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:16:53,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 18:16:53,489 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 18:16:53,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 18:16:53,494 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 18:16:53,494 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:16:53,494 INFO L85 PathProgramCache]: Analyzing trace with hash 297897967, now seen corresponding path program 1 times [2022-12-13 18:16:53,495 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:16:53,495 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [571321964] [2022-12-13 18:16:53,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:16:53,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:16:53,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 18:16:53,501 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 18:16:53,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 18:16:53,506 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 18:16:53,640 INFO L210 LassoAnalysis]: Preferences: [2022-12-13 18:16:53,640 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-12-13 18:16:53,640 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-12-13 18:16:53,640 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-12-13 18:16:53,640 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-12-13 18:16:53,640 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 18:16:53,640 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-12-13 18:16:53,640 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-12-13 18:16:53,640 INFO L133 ssoRankerPreferences]: Filename of dumped script: or-01-false.c_Iteration3_Loop [2022-12-13 18:16:53,640 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-12-13 18:16:53,640 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-12-13 18:16:53,642 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 18:16:53,644 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 18:16:53,716 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 7 [2022-12-13 18:16:53,849 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-12-13 18:16:53,849 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-12-13 18:16:53,850 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 18:16:53,850 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aa83196-ccf1-4cdb-8ef9-0e6873d9f960/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 18:16:53,851 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aa83196-ccf1-4cdb-8ef9-0e6873d9f960/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 18:16:53,852 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aa83196-ccf1-4cdb-8ef9-0e6873d9f960/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-12-13 18:16:53,853 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-12-13 18:16:53,853 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-12-13 18:16:53,865 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-12-13 18:16:53,865 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet1#1=0} Honda state: {ULTIMATE.start_main_#t~nondet1#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-12-13 18:16:53,868 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aa83196-ccf1-4cdb-8ef9-0e6873d9f960/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2022-12-13 18:16:53,868 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 18:16:53,868 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aa83196-ccf1-4cdb-8ef9-0e6873d9f960/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 18:16:53,869 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aa83196-ccf1-4cdb-8ef9-0e6873d9f960/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 18:16:53,870 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aa83196-ccf1-4cdb-8ef9-0e6873d9f960/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-12-13 18:16:53,871 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-12-13 18:16:53,872 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-12-13 18:16:53,887 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aa83196-ccf1-4cdb-8ef9-0e6873d9f960/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2022-12-13 18:16:53,887 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 18:16:53,887 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aa83196-ccf1-4cdb-8ef9-0e6873d9f960/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 18:16:53,888 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aa83196-ccf1-4cdb-8ef9-0e6873d9f960/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 18:16:53,889 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aa83196-ccf1-4cdb-8ef9-0e6873d9f960/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-12-13 18:16:53,890 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-12-13 18:16:53,891 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-12-13 18:16:54,145 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-12-13 18:16:54,145 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~x~0#1=-5, ULTIMATE.start_main_~a~0#1=3, ULTIMATE.start_main_~b~0#1=5} Honda state: {ULTIMATE.start_main_~x~0#1=-5, ULTIMATE.start_main_~a~0#1=3, ULTIMATE.start_main_~b~0#1=5} Generalized eigenvectors: [{ULTIMATE.start_main_~x~0#1=0, ULTIMATE.start_main_~a~0#1=0, ULTIMATE.start_main_~b~0#1=0}, {ULTIMATE.start_main_~x~0#1=5, ULTIMATE.start_main_~a~0#1=0, ULTIMATE.start_main_~b~0#1=0}, {ULTIMATE.start_main_~x~0#1=0, ULTIMATE.start_main_~a~0#1=0, ULTIMATE.start_main_~b~0#1=0}] Lambdas: [12, 1, 0] Nus: [0, 1] [2022-12-13 18:16:54,149 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aa83196-ccf1-4cdb-8ef9-0e6873d9f960/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2022-12-13 18:16:54,163 INFO L210 LassoAnalysis]: Preferences: [2022-12-13 18:16:54,164 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-12-13 18:16:54,164 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-12-13 18:16:54,164 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-12-13 18:16:54,164 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-12-13 18:16:54,164 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 18:16:54,164 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-12-13 18:16:54,164 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-12-13 18:16:54,164 INFO L133 ssoRankerPreferences]: Filename of dumped script: or-01-false.c_Iteration3_Lasso [2022-12-13 18:16:54,164 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-12-13 18:16:54,164 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-12-13 18:16:54,165 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 18:16:54,167 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 18:16:54,168 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 18:16:54,170 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 18:16:54,230 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 7 [2022-12-13 18:16:54,351 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-12-13 18:16:54,351 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-12-13 18:16:54,352 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 18:16:54,352 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aa83196-ccf1-4cdb-8ef9-0e6873d9f960/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 18:16:54,353 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aa83196-ccf1-4cdb-8ef9-0e6873d9f960/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 18:16:54,353 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aa83196-ccf1-4cdb-8ef9-0e6873d9f960/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-12-13 18:16:54,355 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-12-13 18:16:54,355 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-12-13 18:16:54,366 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-12-13 18:16:54,366 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet1#1=0} Honda state: {ULTIMATE.start_main_#t~nondet1#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-12-13 18:16:54,369 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aa83196-ccf1-4cdb-8ef9-0e6873d9f960/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2022-12-13 18:16:54,369 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 18:16:54,369 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aa83196-ccf1-4cdb-8ef9-0e6873d9f960/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 18:16:54,370 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aa83196-ccf1-4cdb-8ef9-0e6873d9f960/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 18:16:54,370 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aa83196-ccf1-4cdb-8ef9-0e6873d9f960/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-12-13 18:16:54,372 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-12-13 18:16:54,372 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-12-13 18:16:54,383 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-12-13 18:16:54,383 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#res#1=0} Honda state: {ULTIMATE.start_main_#res#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-12-13 18:16:54,386 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aa83196-ccf1-4cdb-8ef9-0e6873d9f960/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2022-12-13 18:16:54,386 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 18:16:54,386 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aa83196-ccf1-4cdb-8ef9-0e6873d9f960/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 18:16:54,387 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aa83196-ccf1-4cdb-8ef9-0e6873d9f960/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 18:16:54,388 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aa83196-ccf1-4cdb-8ef9-0e6873d9f960/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2022-12-13 18:16:54,389 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-12-13 18:16:54,389 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-12-13 18:16:54,401 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-12-13 18:16:54,401 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet0#1=0} Honda state: {ULTIMATE.start_main_#t~nondet0#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-12-13 18:16:54,404 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aa83196-ccf1-4cdb-8ef9-0e6873d9f960/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2022-12-13 18:16:54,404 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 18:16:54,404 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aa83196-ccf1-4cdb-8ef9-0e6873d9f960/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 18:16:54,405 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aa83196-ccf1-4cdb-8ef9-0e6873d9f960/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 18:16:54,406 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aa83196-ccf1-4cdb-8ef9-0e6873d9f960/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2022-12-13 18:16:54,407 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-12-13 18:16:54,407 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-12-13 18:16:54,423 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aa83196-ccf1-4cdb-8ef9-0e6873d9f960/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2022-12-13 18:16:54,423 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 18:16:54,424 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aa83196-ccf1-4cdb-8ef9-0e6873d9f960/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 18:16:54,424 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aa83196-ccf1-4cdb-8ef9-0e6873d9f960/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 18:16:54,429 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aa83196-ccf1-4cdb-8ef9-0e6873d9f960/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2022-12-13 18:16:54,430 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-12-13 18:16:54,430 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-12-13 18:16:54,891 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-12-13 18:16:54,891 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~x~0#1=0, ULTIMATE.start_main_~b~0#1=0, ULTIMATE.start_main_~a~0#1=0} Honda state: {ULTIMATE.start_main_~x~0#1=50, ULTIMATE.start_main_~b~0#1=30, ULTIMATE.start_main_~a~0#1=16} Generalized eigenvectors: [{ULTIMATE.start_main_~x~0#1=17, ULTIMATE.start_main_~b~0#1=0, ULTIMATE.start_main_~a~0#1=0}, {ULTIMATE.start_main_~x~0#1=13, ULTIMATE.start_main_~b~0#1=0, ULTIMATE.start_main_~a~0#1=0}, {ULTIMATE.start_main_~x~0#1=0, ULTIMATE.start_main_~b~0#1=0, ULTIMATE.start_main_~a~0#1=0}] Lambdas: [1, 1, 47] Nus: [0, 0] [2022-12-13 18:16:54,895 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aa83196-ccf1-4cdb-8ef9-0e6873d9f960/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2022-12-13 18:16:54,900 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.12 06:16:54 BoogieIcfgContainer [2022-12-13 18:16:54,901 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-12-13 18:16:54,901 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 18:16:54,901 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 18:16:54,901 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 18:16:54,901 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 06:16:52" (3/4) ... [2022-12-13 18:16:54,903 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-12-13 18:16:54,904 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 18:16:54,904 INFO L158 Benchmark]: Toolchain (without parser) took 2662.11ms. Allocated memory was 146.8MB in the beginning and 176.2MB in the end (delta: 29.4MB). Free memory was 110.0MB in the beginning and 144.1MB in the end (delta: -34.1MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 18:16:54,905 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 146.8MB. Free memory is still 114.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 18:16:54,905 INFO L158 Benchmark]: CACSL2BoogieTranslator took 136.81ms. Allocated memory is still 146.8MB. Free memory was 110.0MB in the beginning and 100.7MB in the end (delta: 9.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-12-13 18:16:54,906 INFO L158 Benchmark]: Boogie Procedure Inliner took 19.92ms. Allocated memory is still 146.8MB. Free memory was 100.7MB in the beginning and 99.5MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 18:16:54,906 INFO L158 Benchmark]: Boogie Preprocessor took 14.70ms. Allocated memory is still 146.8MB. Free memory was 99.5MB in the beginning and 98.6MB in the end (delta: 929.1kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 18:16:54,906 INFO L158 Benchmark]: RCFGBuilder took 178.13ms. Allocated memory is still 146.8MB. Free memory was 98.3MB in the beginning and 89.4MB in the end (delta: 8.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-13 18:16:54,907 INFO L158 Benchmark]: BuchiAutomizer took 2306.11ms. Allocated memory was 146.8MB in the beginning and 176.2MB in the end (delta: 29.4MB). Free memory was 89.4MB in the beginning and 144.1MB in the end (delta: -54.7MB). Peak memory consumption was 47.4MB. Max. memory is 16.1GB. [2022-12-13 18:16:54,907 INFO L158 Benchmark]: Witness Printer took 2.70ms. Allocated memory is still 176.2MB. Free memory is still 144.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 18:16:54,909 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 146.8MB. Free memory is still 114.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 136.81ms. Allocated memory is still 146.8MB. Free memory was 110.0MB in the beginning and 100.7MB in the end (delta: 9.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 19.92ms. Allocated memory is still 146.8MB. Free memory was 100.7MB in the beginning and 99.5MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 14.70ms. Allocated memory is still 146.8MB. Free memory was 99.5MB in the beginning and 98.6MB in the end (delta: 929.1kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 178.13ms. Allocated memory is still 146.8MB. Free memory was 98.3MB in the beginning and 89.4MB in the end (delta: 8.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 2306.11ms. Allocated memory was 146.8MB in the beginning and 176.2MB in the end (delta: 29.4MB). Free memory was 89.4MB in the beginning and 144.1MB in the end (delta: -54.7MB). Peak memory consumption was 47.4MB. Max. memory is 16.1GB. * Witness Printer took 2.70ms. Allocated memory is still 176.2MB. Free memory is still 144.1MB. 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 2 terminating modules (2 trivial, 0 deterministic, 0 nondeterministic) and one module whose termination is unknown.2 modules have a trivial ranking function, the largest among these consists of 3 locations. The remainder module has 8 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.2s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 2.1s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 10 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 10 mSDsluCounter, 20 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 7 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 11 IncrementalHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 13 mSDtfsCounter, 11 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc2 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital46 mio100 ax100 hnf100 lsp105 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq144 hnf96 smp100 dnf678 smp42 tf102 neg94 sie114 LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 6 LassoNonterminationAnalysisSatUnbounded: 3 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 1.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Unable to decide termination Buchi Automizer cannot decide termination for the following lasso because it contains the following overapproximations. Overapproximations C: b = b|a [21] (Reason bitwiseOr) Lasso Stem: "assume { :begin_inline_ULTIMATE.init } true;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_~a~0#1, main_~b~0#1, main_~x~0#1;havoc main_~a~0#1;havoc main_~b~0#1;havoc main_~x~0#1;main_~a~0#1 := 16;main_~b~0#1 := 30;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;" "assume !!(main_~x~0#1 >= 0);" "assume !(0 == main_~b~0#1 || main_~b~0#1 == main_~a~0#1);" Loop: "assume !(0 == main_~a~0#1);main_#t~nondet1#1 := ~bitwiseOr(main_~b~0#1, main_~a~0#1);assume (main_~b~0#1 < 0 || main_~a~0#1 < 0) || (main_#t~nondet1#1 >= main_~b~0#1 && main_#t~nondet1#1 >= main_~a~0#1);assume (main_~b~0#1 >= 0 && main_~a~0#1 >= 0) || main_#t~nondet1#1 < 0;assume (main_~b~0#1 < 0 || main_~a~0#1 < 0) || main_#t~nondet1#1 <= main_~b~0#1 + main_~a~0#1;" "main_~b~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;main_~x~0#1 := main_~x~0#1 + main_~b~0#1;" "assume !!(main_~x~0#1 >= 0);" "assume !(0 == main_~b~0#1 || main_~b~0#1 == main_~a~0#1);" RESULT: Ultimate could not prove your program: unable to determine termination [2022-12-13 18:16:54,923 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aa83196-ccf1-4cdb-8ef9-0e6873d9f960/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis No suitable file found in config dir /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aa83196-ccf1-4cdb-8ef9-0e6873d9f960/bin/uautomizer-uyxdKDjOR8/config using search string *Termination*64bit*_Bitvector*.epf No suitable settings file found using Termination*64bit*_Bitvector ERROR: UNSUPPORTED PROPERTY Writing output log to file Ultimate.log Result: UNKNOWN