./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/memsafety/test-0217.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afccae5e-dd83-4c37-878b-c53f62a30d25/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afccae5e-dd83-4c37-878b-c53f62a30d25/bin/uautomizer-verify-qhAvR1uOyd/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afccae5e-dd83-4c37-878b-c53f62a30d25/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afccae5e-dd83-4c37-878b-c53f62a30d25/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/memsafety/test-0217.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afccae5e-dd83-4c37-878b-c53f62a30d25/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afccae5e-dd83-4c37-878b-c53f62a30d25/bin/uautomizer-verify-qhAvR1uOyd --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 163bc3b45d6f21a8e478003f84571178259b289b3d9717ecadbc4595fc507bec --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 15:33:46,599 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 15:33:46,717 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afccae5e-dd83-4c37-878b-c53f62a30d25/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-13 15:33:46,730 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 15:33:46,730 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 15:33:46,789 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 15:33:46,790 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 15:33:46,790 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 15:33:46,791 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 15:33:46,791 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 15:33:46,791 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 15:33:46,791 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 15:33:46,791 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 15:33:46,792 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-13 15:33:46,792 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-13 15:33:46,792 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-13 15:33:46,792 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-13 15:33:46,792 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-13 15:33:46,792 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-13 15:33:46,792 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 15:33:46,793 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-13 15:33:46,793 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 15:33:46,793 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 15:33:46,799 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 15:33:46,799 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 15:33:46,799 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-13 15:33:46,800 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-13 15:33:46,800 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-13 15:33:46,800 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 15:33:46,800 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 15:33:46,800 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 15:33:46,801 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 15:33:46,801 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-13 15:33:46,801 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 15:33:46,801 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 15:33:46,802 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 15:33:46,802 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 15:33:46,803 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 15:33:46,803 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-13 15:33:46,803 INFO L153 SettingsManager]: * TransformationType=MODULO_NEIGHBOR 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_afccae5e-dd83-4c37-878b-c53f62a30d25/bin/uautomizer-verify-qhAvR1uOyd Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 163bc3b45d6f21a8e478003f84571178259b289b3d9717ecadbc4595fc507bec [2024-11-13 15:33:47,171 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 15:33:47,182 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 15:33:47,189 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 15:33:47,193 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 15:33:47,193 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 15:33:47,195 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afccae5e-dd83-4c37-878b-c53f62a30d25/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/memsafety/test-0217.i Unable to find full path for "g++" [2024-11-13 15:33:49,681 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 15:33:50,167 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 15:33:50,168 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afccae5e-dd83-4c37-878b-c53f62a30d25/sv-benchmarks/c/memsafety/test-0217.i [2024-11-13 15:33:50,187 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afccae5e-dd83-4c37-878b-c53f62a30d25/bin/uautomizer-verify-qhAvR1uOyd/data/4eba1d359/8e822118b12c459399f3ac53736dbd8a/FLAGbb1bbedc5 [2024-11-13 15:33:50,207 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afccae5e-dd83-4c37-878b-c53f62a30d25/bin/uautomizer-verify-qhAvR1uOyd/data/4eba1d359/8e822118b12c459399f3ac53736dbd8a [2024-11-13 15:33:50,211 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 15:33:50,213 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 15:33:50,215 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 15:33:50,215 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 15:33:50,221 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 15:33:50,222 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 03:33:50" (1/1) ... [2024-11-13 15:33:50,223 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@bdc6380 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:33:50, skipping insertion in model container [2024-11-13 15:33:50,223 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 03:33:50" (1/1) ... [2024-11-13 15:33:50,267 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 15:33:50,914 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 15:33:50,936 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 15:33:51,015 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 15:33:51,079 INFO L204 MainTranslator]: Completed translation [2024-11-13 15:33:51,080 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:33:51 WrapperNode [2024-11-13 15:33:51,080 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 15:33:51,082 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 15:33:51,082 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 15:33:51,082 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 15:33:51,092 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:33:51" (1/1) ... [2024-11-13 15:33:51,126 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:33:51" (1/1) ... [2024-11-13 15:33:51,169 INFO L138 Inliner]: procedures = 181, calls = 47, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 199 [2024-11-13 15:33:51,170 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 15:33:51,171 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 15:33:51,171 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 15:33:51,171 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 15:33:51,183 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:33:51" (1/1) ... [2024-11-13 15:33:51,184 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:33:51" (1/1) ... [2024-11-13 15:33:51,190 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:33:51" (1/1) ... [2024-11-13 15:33:51,225 INFO L175 MemorySlicer]: Split 31 memory accesses to 2 slices as follows [2, 29]. 94 percent of accesses are in the largest equivalence class. The 4 initializations are split as follows [2, 2]. The 10 writes are split as follows [0, 10]. [2024-11-13 15:33:51,225 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:33:51" (1/1) ... [2024-11-13 15:33:51,226 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:33:51" (1/1) ... [2024-11-13 15:33:51,241 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:33:51" (1/1) ... [2024-11-13 15:33:51,254 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:33:51" (1/1) ... [2024-11-13 15:33:51,256 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:33:51" (1/1) ... [2024-11-13 15:33:51,262 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:33:51" (1/1) ... [2024-11-13 15:33:51,276 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 15:33:51,279 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 15:33:51,280 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 15:33:51,280 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 15:33:51,282 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:33:51" (1/1) ... [2024-11-13 15:33:51,290 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 15:33:51,306 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afccae5e-dd83-4c37-878b-c53f62a30d25/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:33:51,320 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afccae5e-dd83-4c37-878b-c53f62a30d25/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 15:33:51,327 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afccae5e-dd83-4c37-878b-c53f62a30d25/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-11-13 15:33:51,367 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-13 15:33:51,367 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-13 15:33:51,367 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-13 15:33:51,367 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-13 15:33:51,368 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-13 15:33:51,368 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-13 15:33:51,368 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-13 15:33:51,368 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 15:33:51,368 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-13 15:33:51,368 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-13 15:33:51,368 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-13 15:33:51,369 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-13 15:33:51,369 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 15:33:51,369 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-13 15:33:51,369 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-13 15:33:51,369 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-13 15:33:51,369 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-13 15:33:51,370 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 15:33:51,370 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 15:33:51,573 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 15:33:51,576 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 15:33:51,580 WARN L781 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-11-13 15:33:51,635 WARN L781 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-11-13 15:33:52,118 INFO L? ?]: Removed 82 outVars from TransFormulas that were not future-live. [2024-11-13 15:33:52,119 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 15:33:52,142 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 15:33:52,143 INFO L316 CfgBuilder]: Removed 5 assume(true) statements. [2024-11-13 15:33:52,143 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 03:33:52 BoogieIcfgContainer [2024-11-13 15:33:52,143 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 15:33:52,144 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-13 15:33:52,144 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-13 15:33:52,168 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-13 15:33:52,169 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-13 15:33:52,169 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.11 03:33:50" (1/3) ... [2024-11-13 15:33:52,170 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3e1164e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.11 03:33:52, skipping insertion in model container [2024-11-13 15:33:52,171 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-13 15:33:52,171 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:33:51" (2/3) ... [2024-11-13 15:33:52,171 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3e1164e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.11 03:33:52, skipping insertion in model container [2024-11-13 15:33:52,171 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-13 15:33:52,171 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 03:33:52" (3/3) ... [2024-11-13 15:33:52,173 INFO L333 chiAutomizerObserver]: Analyzing ICFG test-0217.i [2024-11-13 15:33:52,235 INFO L299 stractBuchiCegarLoop]: Interprodecural is true [2024-11-13 15:33:52,236 INFO L300 stractBuchiCegarLoop]: Hoare is None [2024-11-13 15:33:52,236 INFO L301 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-13 15:33:52,236 INFO L302 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-13 15:33:52,236 INFO L303 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-13 15:33:52,237 INFO L304 stractBuchiCegarLoop]: Difference is false [2024-11-13 15:33:52,237 INFO L305 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-13 15:33:52,237 INFO L309 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-13 15:33:52,243 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 53 states, 50 states have (on average 1.52) internal successors, (76), 50 states have internal predecessors, (76), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-13 15:33:52,270 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 40 [2024-11-13 15:33:52,270 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-13 15:33:52,270 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-13 15:33:52,279 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-13 15:33:52,281 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-11-13 15:33:52,281 INFO L331 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-13 15:33:52,281 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 53 states, 50 states have (on average 1.52) internal successors, (76), 50 states have internal predecessors, (76), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-13 15:33:52,289 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 40 [2024-11-13 15:33:52,289 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-13 15:33:52,289 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-13 15:33:52,290 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-13 15:33:52,290 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-11-13 15:33:52,304 INFO L745 eck$LassoCheckResult]: Stem: 24#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(8, 3);~#list~0.base, ~#list~0.offset := 3, 0;call write~init~$Pointer$#1(0, 0, ~#list~0.base, ~#list~0.offset, 4);call write~init~$Pointer$#1(0, 0, ~#list~0.base, 4 + ~#list~0.offset, 4); 29#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet28#1, main_#t~nondet29#1, main_#t~ret30#1, main_#t~nondet31#1, main_#t~ret32#1, main_#t~nondet33#1, main_#t~mem34#1.base, main_#t~mem34#1.offset, main_#t~mem35#1.base, main_#t~mem35#1.offset, main_~next~1#1.base, main_~next~1#1.offset, main_~end_point~0#1, main_~direction~0#1, main_~cursor~1#1.base, main_~cursor~1#1.offset; 6#L732-3true [2024-11-13 15:33:52,304 INFO L747 eck$LassoCheckResult]: Loop: 6#L732-3true havoc main_#t~nondet28#1; 41#L729-1true assume !!(0 != main_#t~nondet28#1);havoc main_#t~nondet28#1; 19#L730-3true assume !true; 32#L732-2true assume !true; 6#L732-3true [2024-11-13 15:33:52,310 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:33:52,311 INFO L85 PathProgramCache]: Analyzing trace with hash 1539, now seen corresponding path program 1 times [2024-11-13 15:33:52,321 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:33:52,321 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1588241677] [2024-11-13 15:33:52,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:33:52,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:33:52,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 15:33:52,440 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 15:33:52,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 15:33:52,485 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 15:33:52,489 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:33:52,489 INFO L85 PathProgramCache]: Analyzing trace with hash 1670319, now seen corresponding path program 1 times [2024-11-13 15:33:52,489 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:33:52,490 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [569740796] [2024-11-13 15:33:52,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:33:52,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:33:52,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:33:52,538 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:33:52,539 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:33:52,539 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [569740796] [2024-11-13 15:33:52,540 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [569740796] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:33:52,540 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:33:52,541 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 15:33:52,541 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [396798554] [2024-11-13 15:33:52,543 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:33:52,547 INFO L762 eck$LassoCheckResult]: loop already infeasible [2024-11-13 15:33:52,548 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:33:52,587 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-13 15:33:52,588 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-13 15:33:52,590 INFO L87 Difference]: Start difference. First operand has 53 states, 50 states have (on average 1.52) internal successors, (76), 50 states have internal predecessors, (76), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Second operand has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 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) [2024-11-13 15:33:52,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:33:52,610 INFO L93 Difference]: Finished difference Result 53 states and 72 transitions. [2024-11-13 15:33:52,612 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 53 states and 72 transitions. [2024-11-13 15:33:52,618 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 40 [2024-11-13 15:33:52,633 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 53 states to 49 states and 68 transitions. [2024-11-13 15:33:52,634 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 49 [2024-11-13 15:33:52,635 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 49 [2024-11-13 15:33:52,635 INFO L73 IsDeterministic]: Start isDeterministic. Operand 49 states and 68 transitions. [2024-11-13 15:33:52,636 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-13 15:33:52,636 INFO L218 hiAutomatonCegarLoop]: Abstraction has 49 states and 68 transitions. [2024-11-13 15:33:52,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states and 68 transitions. [2024-11-13 15:33:52,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2024-11-13 15:33:52,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 47 states have (on average 1.4042553191489362) internal successors, (66), 46 states have internal predecessors, (66), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-13 15:33:52,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 68 transitions. [2024-11-13 15:33:52,674 INFO L240 hiAutomatonCegarLoop]: Abstraction has 49 states and 68 transitions. [2024-11-13 15:33:52,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 15:33:52,679 INFO L424 stractBuchiCegarLoop]: Abstraction has 49 states and 68 transitions. [2024-11-13 15:33:52,682 INFO L331 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-13 15:33:52,683 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 49 states and 68 transitions. [2024-11-13 15:33:52,684 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 40 [2024-11-13 15:33:52,688 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-13 15:33:52,688 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-13 15:33:52,688 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-13 15:33:52,688 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2024-11-13 15:33:52,689 INFO L745 eck$LassoCheckResult]: Stem: 147#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(8, 3);~#list~0.base, ~#list~0.offset := 3, 0;call write~init~$Pointer$#1(0, 0, ~#list~0.base, ~#list~0.offset, 4);call write~init~$Pointer$#1(0, 0, ~#list~0.base, 4 + ~#list~0.offset, 4); 148#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet28#1, main_#t~nondet29#1, main_#t~ret30#1, main_#t~nondet31#1, main_#t~ret32#1, main_#t~nondet33#1, main_#t~mem34#1.base, main_#t~mem34#1.offset, main_#t~mem35#1.base, main_#t~mem35#1.offset, main_~next~1#1.base, main_~next~1#1.offset, main_~end_point~0#1, main_~direction~0#1, main_~cursor~1#1.base, main_~cursor~1#1.offset; 121#L732-3 [2024-11-13 15:33:52,689 INFO L747 eck$LassoCheckResult]: Loop: 121#L732-3 havoc main_#t~nondet28#1; 122#L729-1 assume !!(0 != main_#t~nondet28#1);havoc main_#t~nondet28#1; 140#L730-3 havoc main_#t~nondet29#1; 141#L730-1 assume !(0 != main_#t~nondet29#1);havoc main_#t~nondet29#1; 137#L732-2 havoc main_#t~nondet31#1; 142#L732 assume !(0 != main_#t~nondet31#1);havoc main_#t~nondet31#1; 121#L732-3 [2024-11-13 15:33:52,690 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:33:52,690 INFO L85 PathProgramCache]: Analyzing trace with hash 1539, now seen corresponding path program 2 times [2024-11-13 15:33:52,690 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:33:52,690 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1515515137] [2024-11-13 15:33:52,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:33:52,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:33:52,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 15:33:52,717 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 15:33:52,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 15:33:52,739 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 15:33:52,741 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:33:52,741 INFO L85 PathProgramCache]: Analyzing trace with hash 1602407148, now seen corresponding path program 1 times [2024-11-13 15:33:52,742 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:33:52,743 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [445549434] [2024-11-13 15:33:52,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:33:52,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:33:52,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 15:33:52,761 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 15:33:52,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 15:33:52,770 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 15:33:52,772 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:33:52,772 INFO L85 PathProgramCache]: Analyzing trace with hash 783468398, now seen corresponding path program 1 times [2024-11-13 15:33:52,772 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:33:52,772 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [959078636] [2024-11-13 15:33:52,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:33:52,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:33:52,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 15:33:52,800 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 15:33:52,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 15:33:52,823 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 15:33:53,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 15:33:53,186 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 15:33:53,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 15:33:53,233 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.11 03:33:53 BoogieIcfgContainer [2024-11-13 15:33:53,233 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-13 15:33:53,236 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 15:33:53,236 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 15:33:53,236 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 15:33:53,237 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 03:33:52" (3/4) ... [2024-11-13 15:33:53,240 INFO L139 WitnessPrinter]: Generating witness for non-termination counterexample [2024-11-13 15:33:53,282 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afccae5e-dd83-4c37-878b-c53f62a30d25/bin/uautomizer-verify-qhAvR1uOyd/witness.graphml [2024-11-13 15:33:53,283 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 15:33:53,284 INFO L158 Benchmark]: Toolchain (without parser) took 3072.09ms. Allocated memory is still 117.4MB. Free memory was 90.4MB in the beginning and 46.8MB in the end (delta: 43.6MB). Peak memory consumption was 48.1MB. Max. memory is 16.1GB. [2024-11-13 15:33:53,288 INFO L158 Benchmark]: CDTParser took 1.82ms. Allocated memory is still 83.9MB. Free memory is still 41.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 15:33:53,289 INFO L158 Benchmark]: CACSL2BoogieTranslator took 866.36ms. Allocated memory is still 117.4MB. Free memory was 90.0MB in the beginning and 68.3MB in the end (delta: 21.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-13 15:33:53,289 INFO L158 Benchmark]: Boogie Procedure Inliner took 88.57ms. Allocated memory is still 117.4MB. Free memory was 68.3MB in the beginning and 66.3MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 15:33:53,290 INFO L158 Benchmark]: Boogie Preprocessor took 107.62ms. Allocated memory is still 117.4MB. Free memory was 66.3MB in the beginning and 62.4MB in the end (delta: 3.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 15:33:53,290 INFO L158 Benchmark]: RCFGBuilder took 863.85ms. Allocated memory is still 117.4MB. Free memory was 62.4MB in the beginning and 37.1MB in the end (delta: 25.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-13 15:33:53,290 INFO L158 Benchmark]: BuchiAutomizer took 1088.56ms. Allocated memory is still 117.4MB. Free memory was 37.1MB in the beginning and 48.6MB in the end (delta: -11.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 15:33:53,291 INFO L158 Benchmark]: Witness Printer took 47.78ms. Allocated memory is still 117.4MB. Free memory was 48.6MB in the beginning and 46.8MB in the end (delta: 1.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 15:33:53,295 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.82ms. Allocated memory is still 83.9MB. Free memory is still 41.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 866.36ms. Allocated memory is still 117.4MB. Free memory was 90.0MB in the beginning and 68.3MB in the end (delta: 21.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 88.57ms. Allocated memory is still 117.4MB. Free memory was 68.3MB in the beginning and 66.3MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 107.62ms. Allocated memory is still 117.4MB. Free memory was 66.3MB in the beginning and 62.4MB in the end (delta: 3.9MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 863.85ms. Allocated memory is still 117.4MB. Free memory was 62.4MB in the beginning and 37.1MB in the end (delta: 25.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * BuchiAutomizer took 1088.56ms. Allocated memory is still 117.4MB. Free memory was 37.1MB in the beginning and 48.6MB in the end (delta: -11.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 47.78ms. Allocated memory is still 117.4MB. Free memory was 48.6MB in the beginning and 46.8MB in the end (delta: 1.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 2 locations. The remainder module has 49 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 0.9s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 0.7s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 1. 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, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 72 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 72 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI1 SFLT0 conc0 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: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - LassoShapedNonTerminationArgument [Line: 729]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L728] static list_t list; [L728] static list_t list; [L728] static list_t list; VAL [list={3:0}] Loop: [L729] COND TRUE __VERIFIER_nondet_int() [L730] COND FALSE !(__VERIFIER_nondet_int()) [L732] COND FALSE !(__VERIFIER_nondet_int()) End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 729]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L728] static list_t list; [L728] static list_t list; [L728] static list_t list; VAL [list={3:0}] Loop: [L729] COND TRUE __VERIFIER_nondet_int() [L730] COND FALSE !(__VERIFIER_nondet_int()) [L732] COND FALSE !(__VERIFIER_nondet_int()) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2024-11-13 15:33:53,339 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afccae5e-dd83-4c37-878b-c53f62a30d25/bin/uautomizer-verify-qhAvR1uOyd/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 Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM)