./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-restricted-15/IntPath.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7634e75-85f4-491a-bb3e-bd095d24281c/bin/uautomizer-J5u9QxTXDZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7634e75-85f4-491a-bb3e-bd095d24281c/bin/uautomizer-J5u9QxTXDZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7634e75-85f4-491a-bb3e-bd095d24281c/bin/uautomizer-J5u9QxTXDZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7634e75-85f4-491a-bb3e-bd095d24281c/bin/uautomizer-J5u9QxTXDZ/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-restricted-15/IntPath.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7634e75-85f4-491a-bb3e-bd095d24281c/bin/uautomizer-J5u9QxTXDZ/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7634e75-85f4-491a-bb3e-bd095d24281c/bin/uautomizer-J5u9QxTXDZ --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 2b72dfebd4c79ba85f160ba6afde9f14f50064a660c2c64f182224d2f229f848 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-dbf71c6-m [2022-10-17 10:12:10,135 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 10:12:10,138 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 10:12:10,188 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 10:12:10,188 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 10:12:10,190 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 10:12:10,192 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 10:12:10,194 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 10:12:10,196 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 10:12:10,198 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 10:12:10,199 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 10:12:10,201 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 10:12:10,202 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 10:12:10,203 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 10:12:10,205 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 10:12:10,206 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 10:12:10,208 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 10:12:10,209 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 10:12:10,212 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 10:12:10,215 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 10:12:10,217 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 10:12:10,219 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 10:12:10,220 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 10:12:10,221 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 10:12:10,227 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 10:12:10,228 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 10:12:10,228 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 10:12:10,229 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 10:12:10,230 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 10:12:10,231 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 10:12:10,234 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 10:12:10,235 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 10:12:10,237 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 10:12:10,238 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 10:12:10,240 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 10:12:10,241 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 10:12:10,243 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 10:12:10,244 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 10:12:10,244 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 10:12:10,246 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 10:12:10,247 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 10:12:10,248 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7634e75-85f4-491a-bb3e-bd095d24281c/bin/uautomizer-J5u9QxTXDZ/config/svcomp-Termination-64bit-Automizer_Default.epf [2022-10-17 10:12:10,293 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 10:12:10,293 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 10:12:10,294 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-17 10:12:10,294 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-17 10:12:10,295 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 10:12:10,296 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 10:12:10,296 INFO L138 SettingsManager]: * Use SBE=true [2022-10-17 10:12:10,296 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-10-17 10:12:10,297 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-10-17 10:12:10,297 INFO L138 SettingsManager]: * Use old map elimination=false [2022-10-17 10:12:10,299 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-10-17 10:12:10,299 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-10-17 10:12:10,299 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-10-17 10:12:10,299 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 10:12:10,300 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-17 10:12:10,300 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 10:12:10,300 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 10:12:10,300 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-10-17 10:12:10,301 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-10-17 10:12:10,301 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-10-17 10:12:10,301 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 10:12:10,301 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-10-17 10:12:10,302 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 10:12:10,302 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-10-17 10:12:10,302 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 10:12:10,302 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-17 10:12:10,303 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 10:12:10,303 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-17 10:12:10,304 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-10-17 10:12:10,304 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_f7634e75-85f4-491a-bb3e-bd095d24281c/bin/uautomizer-J5u9QxTXDZ/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7634e75-85f4-491a-bb3e-bd095d24281c/bin/uautomizer-J5u9QxTXDZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2b72dfebd4c79ba85f160ba6afde9f14f50064a660c2c64f182224d2f229f848 [2022-10-17 10:12:10,561 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 10:12:10,584 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 10:12:10,587 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 10:12:10,588 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 10:12:10,589 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 10:12:10,591 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7634e75-85f4-491a-bb3e-bd095d24281c/bin/uautomizer-J5u9QxTXDZ/../../sv-benchmarks/c/termination-restricted-15/IntPath.c [2022-10-17 10:12:10,668 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7634e75-85f4-491a-bb3e-bd095d24281c/bin/uautomizer-J5u9QxTXDZ/data/275ac3884/dd5c24e7a904420f91870d9f4335caed/FLAG2fb2104e2 [2022-10-17 10:12:11,088 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 10:12:11,089 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7634e75-85f4-491a-bb3e-bd095d24281c/sv-benchmarks/c/termination-restricted-15/IntPath.c [2022-10-17 10:12:11,095 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7634e75-85f4-491a-bb3e-bd095d24281c/bin/uautomizer-J5u9QxTXDZ/data/275ac3884/dd5c24e7a904420f91870d9f4335caed/FLAG2fb2104e2 [2022-10-17 10:12:11,475 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7634e75-85f4-491a-bb3e-bd095d24281c/bin/uautomizer-J5u9QxTXDZ/data/275ac3884/dd5c24e7a904420f91870d9f4335caed [2022-10-17 10:12:11,478 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 10:12:11,479 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 10:12:11,481 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 10:12:11,481 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 10:12:11,485 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 10:12:11,486 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 10:12:11" (1/1) ... [2022-10-17 10:12:11,487 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47ec89e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:12:11, skipping insertion in model container [2022-10-17 10:12:11,488 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 10:12:11" (1/1) ... [2022-10-17 10:12:11,495 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 10:12:11,506 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 10:12:11,736 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 10:12:11,745 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 10:12:11,762 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 10:12:11,777 INFO L208 MainTranslator]: Completed translation [2022-10-17 10:12:11,778 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:12:11 WrapperNode [2022-10-17 10:12:11,778 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 10:12:11,780 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 10:12:11,780 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 10:12:11,780 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 10:12:11,788 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:12:11" (1/1) ... [2022-10-17 10:12:11,795 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:12:11" (1/1) ... [2022-10-17 10:12:11,812 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 18 [2022-10-17 10:12:11,812 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 10:12:11,814 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 10:12:11,814 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 10:12:11,814 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 10:12:11,824 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:12:11" (1/1) ... [2022-10-17 10:12:11,824 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:12:11" (1/1) ... [2022-10-17 10:12:11,825 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:12:11" (1/1) ... [2022-10-17 10:12:11,825 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:12:11" (1/1) ... [2022-10-17 10:12:11,827 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:12:11" (1/1) ... [2022-10-17 10:12:11,832 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:12:11" (1/1) ... [2022-10-17 10:12:11,833 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:12:11" (1/1) ... [2022-10-17 10:12:11,834 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:12:11" (1/1) ... [2022-10-17 10:12:11,836 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 10:12:11,837 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 10:12:11,838 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 10:12:11,838 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 10:12:11,839 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:12:11" (1/1) ... [2022-10-17 10:12:11,847 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:12:11,861 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7634e75-85f4-491a-bb3e-bd095d24281c/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:12:11,881 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7634e75-85f4-491a-bb3e-bd095d24281c/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:12:11,918 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7634e75-85f4-491a-bb3e-bd095d24281c/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-10-17 10:12:11,960 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 10:12:11,960 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 10:12:12,040 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 10:12:12,043 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 10:12:12,131 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 10:12:12,140 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 10:12:12,141 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-17 10:12:12,143 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:12:12 BoogieIcfgContainer [2022-10-17 10:12:12,143 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 10:12:12,146 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-10-17 10:12:12,147 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-10-17 10:12:12,152 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-10-17 10:12:12,153 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-10-17 10:12:12,153 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 17.10 10:12:11" (1/3) ... [2022-10-17 10:12:12,155 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@265a98a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 17.10 10:12:12, skipping insertion in model container [2022-10-17 10:12:12,155 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-10-17 10:12:12,155 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:12:11" (2/3) ... [2022-10-17 10:12:12,156 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@265a98a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 17.10 10:12:12, skipping insertion in model container [2022-10-17 10:12:12,156 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-10-17 10:12:12,156 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:12:12" (3/3) ... [2022-10-17 10:12:12,158 INFO L332 chiAutomizerObserver]: Analyzing ICFG IntPath.c [2022-10-17 10:12:12,226 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-10-17 10:12:12,227 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-10-17 10:12:12,227 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-10-17 10:12:12,227 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-10-17 10:12:12,227 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-10-17 10:12:12,227 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-10-17 10:12:12,228 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-10-17 10:12:12,228 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-10-17 10:12:12,232 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 8 states, 7 states have (on average 1.4285714285714286) 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) [2022-10-17 10:12:12,257 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2022-10-17 10:12:12,257 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-10-17 10:12:12,258 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-10-17 10:12:12,263 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2022-10-17 10:12:12,263 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-10-17 10:12:12,264 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-10-17 10:12:12,264 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 8 states, 7 states have (on average 1.4285714285714286) 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) [2022-10-17 10:12:12,265 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2022-10-17 10:12:12,266 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-10-17 10:12:12,266 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-10-17 10:12:12,266 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2022-10-17 10:12:12,267 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-10-17 10:12:12,275 INFO L748 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true; 7#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_~i~0#1, main_~x~0#1, main_~y~0#1;havoc main_~i~0#1;havoc main_~x~0#1;havoc main_~y~0#1;main_~i~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~x~0#1 := 0;main_~y~0#1 := 0; 4#L13true assume !(main_~i~0#1 > 10);main_~y~0#1 := 1; 5#L18-1true [2022-10-17 10:12:12,276 INFO L750 eck$LassoCheckResult]: Loop: 5#L18-1true assume !!(main_~x~0#1 == main_~y~0#1); 5#L18-1true [2022-10-17 10:12:12,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:12:12,282 INFO L85 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 1 times [2022-10-17 10:12:12,292 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:12:12,294 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2039554311] [2022-10-17 10:12:12,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:12:12,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:12:12,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:12:12,394 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:12:12,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:12:12,451 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:12:12,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:12:12,457 INFO L85 PathProgramCache]: Analyzing trace with hash 47, now seen corresponding path program 1 times [2022-10-17 10:12:12,457 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:12:12,459 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [901311033] [2022-10-17 10:12:12,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:12:12,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:12:12,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:12:12,472 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:12:12,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:12:12,482 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:12:12,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:12:12,494 INFO L85 PathProgramCache]: Analyzing trace with hash 925676, now seen corresponding path program 1 times [2022-10-17 10:12:12,494 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:12:12,495 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1544487682] [2022-10-17 10:12:12,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:12:12,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:12:12,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:12:12,644 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:12:12,659 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:12:12,659 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1544487682] [2022-10-17 10:12:12,660 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1544487682] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:12:12,660 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:12:12,661 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-17 10:12:12,661 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2058763036] [2022-10-17 10:12:12,662 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:12:12,680 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:12:12,711 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-17 10:12:12,712 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-17 10:12:12,714 INFO L87 Difference]: Start difference. First operand has 8 states, 7 states have (on average 1.4285714285714286) 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) Second operand has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 4 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:12:12,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:12:12,746 INFO L93 Difference]: Finished difference Result 13 states and 13 transitions. [2022-10-17 10:12:12,748 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 13 states and 13 transitions. [2022-10-17 10:12:12,749 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2022-10-17 10:12:12,752 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 13 states to 4 states and 4 transitions. [2022-10-17 10:12:12,753 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 4 [2022-10-17 10:12:12,753 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 4 [2022-10-17 10:12:12,754 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 4 transitions. [2022-10-17 10:12:12,754 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-10-17 10:12:12,755 INFO L218 hiAutomatonCegarLoop]: Abstraction has 4 states and 4 transitions. [2022-10-17 10:12:12,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4 states and 4 transitions. [2022-10-17 10:12:12,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4 to 4. [2022-10-17 10:12:12,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:12:12,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 4 transitions. [2022-10-17 10:12:12,781 INFO L240 hiAutomatonCegarLoop]: Abstraction has 4 states and 4 transitions. [2022-10-17 10:12:12,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-17 10:12:12,786 INFO L428 stractBuchiCegarLoop]: Abstraction has 4 states and 4 transitions. [2022-10-17 10:12:12,786 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-10-17 10:12:12,786 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 4 states and 4 transitions. [2022-10-17 10:12:12,787 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2022-10-17 10:12:12,787 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-10-17 10:12:12,787 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-10-17 10:12:12,787 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2022-10-17 10:12:12,788 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-10-17 10:12:12,788 INFO L748 eck$LassoCheckResult]: Stem: 35#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true; 36#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_~i~0#1, main_~x~0#1, main_~y~0#1;havoc main_~i~0#1;havoc main_~x~0#1;havoc main_~y~0#1;main_~i~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~x~0#1 := 0;main_~y~0#1 := 0; 37#L13 assume main_~i~0#1 > 10;main_~x~0#1 := 1; 38#L18-1 [2022-10-17 10:12:12,788 INFO L750 eck$LassoCheckResult]: Loop: 38#L18-1 assume !!(main_~x~0#1 == main_~y~0#1); 38#L18-1 [2022-10-17 10:12:12,789 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:12:12,789 INFO L85 PathProgramCache]: Analyzing trace with hash 29858, now seen corresponding path program 1 times [2022-10-17 10:12:12,789 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:12:12,790 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [495058466] [2022-10-17 10:12:12,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:12:12,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:12:12,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:12:12,796 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:12:12,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:12:12,800 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:12:12,819 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:12:12,819 INFO L85 PathProgramCache]: Analyzing trace with hash 47, now seen corresponding path program 2 times [2022-10-17 10:12:12,819 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:12:12,820 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1195452962] [2022-10-17 10:12:12,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:12:12,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:12:12,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:12:12,824 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:12:12,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:12:12,827 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:12:12,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:12:12,828 INFO L85 PathProgramCache]: Analyzing trace with hash 925614, now seen corresponding path program 1 times [2022-10-17 10:12:12,829 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:12:12,829 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [605414814] [2022-10-17 10:12:12,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:12:12,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:12:12,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:12:12,874 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:12:12,874 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:12:12,875 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [605414814] [2022-10-17 10:12:12,875 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [605414814] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:12:12,875 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:12:12,876 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-17 10:12:12,876 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [744304784] [2022-10-17 10:12:12,876 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:12:12,896 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:12:12,897 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-17 10:12:12,897 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-17 10:12:12,898 INFO L87 Difference]: Start difference. First operand 4 states and 4 transitions. cyclomatic complexity: 1 Second operand has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 4 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:12:12,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:12:12,918 INFO L93 Difference]: Finished difference Result 4 states and 3 transitions. [2022-10-17 10:12:12,918 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 4 states and 3 transitions. [2022-10-17 10:12:12,918 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-10-17 10:12:12,919 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 4 states to 0 states and 0 transitions. [2022-10-17 10:12:12,919 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-10-17 10:12:12,919 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-10-17 10:12:12,919 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-10-17 10:12:12,919 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-10-17 10:12:12,919 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-10-17 10:12:12,920 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-10-17 10:12:12,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-17 10:12:12,921 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-10-17 10:12:12,921 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-10-17 10:12:12,921 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-10-17 10:12:12,921 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-10-17 10:12:12,921 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-10-17 10:12:12,929 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 17.10 10:12:12 BoogieIcfgContainer [2022-10-17 10:12:12,937 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-10-17 10:12:12,937 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-10-17 10:12:12,940 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-10-17 10:12:12,940 INFO L275 PluginConnector]: Witness Printer initialized [2022-10-17 10:12:12,941 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:12:12" (3/4) ... [2022-10-17 10:12:12,943 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-10-17 10:12:12,945 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-10-17 10:12:12,946 INFO L158 Benchmark]: Toolchain (without parser) took 1466.67ms. Allocated memory was 88.1MB in the beginning and 115.3MB in the end (delta: 27.3MB). Free memory was 57.4MB in the beginning and 88.4MB in the end (delta: -31.1MB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 10:12:12,947 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 88.1MB. Free memory is still 43.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 10:12:12,949 INFO L158 Benchmark]: CACSL2BoogieTranslator took 297.58ms. Allocated memory was 88.1MB in the beginning and 115.3MB in the end (delta: 27.3MB). Free memory was 57.2MB in the beginning and 92.8MB in the end (delta: -35.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-10-17 10:12:12,951 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.44ms. Allocated memory is still 115.3MB. Free memory was 92.8MB in the beginning and 91.6MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 10:12:12,952 INFO L158 Benchmark]: Boogie Preprocessor took 22.36ms. Allocated memory is still 115.3MB. Free memory was 91.6MB in the beginning and 90.4MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 10:12:12,955 INFO L158 Benchmark]: RCFGBuilder took 305.90ms. Allocated memory is still 115.3MB. Free memory was 90.4MB in the beginning and 82.4MB in the end (delta: 8.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-10-17 10:12:12,956 INFO L158 Benchmark]: BuchiAutomizer took 790.90ms. Allocated memory is still 115.3MB. Free memory was 82.4MB in the beginning and 88.4MB in the end (delta: -6.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 10:12:12,957 INFO L158 Benchmark]: Witness Printer took 7.98ms. Allocated memory is still 115.3MB. Free memory is still 88.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 10:12:12,961 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 88.1MB. Free memory is still 43.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 297.58ms. Allocated memory was 88.1MB in the beginning and 115.3MB in the end (delta: 27.3MB). Free memory was 57.2MB in the beginning and 92.8MB in the end (delta: -35.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 33.44ms. Allocated memory is still 115.3MB. Free memory was 92.8MB in the beginning and 91.6MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 22.36ms. Allocated memory is still 115.3MB. Free memory was 91.6MB in the beginning and 90.4MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 305.90ms. Allocated memory is still 115.3MB. Free memory was 90.4MB in the beginning and 82.4MB in the end (delta: 8.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 790.90ms. Allocated memory is still 115.3MB. Free memory was 82.4MB in the beginning and 88.4MB in the end (delta: -6.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 7.98ms. Allocated memory is still 115.3MB. Free memory is still 88.4MB. 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 2 terminating modules (2 trivial, 0 deterministic, 0 nondeterministic). 2 modules have a trivial ranking function, the largest among these consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 0.7s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 0.5s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 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, 25 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 10 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 9 IncrementalHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 15 mSDtfsCounter, 9 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc2 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2022-10-17 10:12:13,012 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7634e75-85f4-491a-bb3e-bd095d24281c/bin/uautomizer-J5u9QxTXDZ/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