./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 dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb280dd4-8981-4d72-b3b7-c1704c0fd18e/bin/uautomizer-J5u9QxTXDZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb280dd4-8981-4d72-b3b7-c1704c0fd18e/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_eb280dd4-8981-4d72-b3b7-c1704c0fd18e/bin/uautomizer-J5u9QxTXDZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb280dd4-8981-4d72-b3b7-c1704c0fd18e/bin/uautomizer-J5u9QxTXDZ/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/memsafety/test-0217.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb280dd4-8981-4d72-b3b7-c1704c0fd18e/bin/uautomizer-J5u9QxTXDZ/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb280dd4-8981-4d72-b3b7-c1704c0fd18e/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 32bit --witnessprinter.graph.data.programhash 163bc3b45d6f21a8e478003f84571178259b289b3d9717ecadbc4595fc507bec --- 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 10:45:01,157 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 10:45:01,160 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 10:45:01,196 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 10:45:01,196 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 10:45:01,198 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 10:45:01,199 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 10:45:01,202 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 10:45:01,204 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 10:45:01,205 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 10:45:01,206 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 10:45:01,209 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 10:45:01,211 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 10:45:01,214 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 10:45:01,216 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 10:45:01,217 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 10:45:01,218 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 10:45:01,219 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 10:45:01,226 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 10:45:01,227 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 10:45:01,229 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 10:45:01,232 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 10:45:01,233 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 10:45:01,234 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 10:45:01,239 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 10:45:01,240 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 10:45:01,240 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 10:45:01,241 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 10:45:01,242 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 10:45:01,243 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 10:45:01,243 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 10:45:01,244 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 10:45:01,253 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 10:45:01,256 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 10:45:01,259 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 10:45:01,259 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 10:45:01,260 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 10:45:01,260 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 10:45:01,260 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 10:45:01,261 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 10:45:01,262 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 10:45:01,264 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb280dd4-8981-4d72-b3b7-c1704c0fd18e/bin/uautomizer-J5u9QxTXDZ/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-10-17 10:45:01,310 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 10:45:01,311 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 10:45:01,311 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-17 10:45:01,312 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-17 10:45:01,313 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 10:45:01,313 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 10:45:01,313 INFO L138 SettingsManager]: * Use SBE=true [2022-10-17 10:45:01,314 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-10-17 10:45:01,314 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-10-17 10:45:01,314 INFO L138 SettingsManager]: * Use old map elimination=false [2022-10-17 10:45:01,315 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-10-17 10:45:01,315 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-10-17 10:45:01,316 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-10-17 10:45:01,316 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 10:45:01,316 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 10:45:01,316 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-17 10:45:01,316 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 10:45:01,317 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 10:45:01,317 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 10:45:01,317 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-10-17 10:45:01,317 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-10-17 10:45:01,317 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-10-17 10:45:01,318 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 10:45:01,318 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 10:45:01,318 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-10-17 10:45:01,318 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 10:45:01,318 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-10-17 10:45:01,320 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 10:45:01,320 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-17 10:45:01,320 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 10:45:01,320 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-17 10:45:01,322 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-10-17 10:45:01,322 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_eb280dd4-8981-4d72-b3b7-c1704c0fd18e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb280dd4-8981-4d72-b3b7-c1704c0fd18e/bin/uautomizer-J5u9QxTXDZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 163bc3b45d6f21a8e478003f84571178259b289b3d9717ecadbc4595fc507bec [2022-10-17 10:45:01,643 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 10:45:01,673 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 10:45:01,676 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 10:45:01,677 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 10:45:01,678 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 10:45:01,679 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb280dd4-8981-4d72-b3b7-c1704c0fd18e/bin/uautomizer-J5u9QxTXDZ/../../sv-benchmarks/c/memsafety/test-0217.i [2022-10-17 10:45:01,753 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb280dd4-8981-4d72-b3b7-c1704c0fd18e/bin/uautomizer-J5u9QxTXDZ/data/f324d2380/b05b8716069a4c19bca2fdba339fdc44/FLAG8fea1c091 [2022-10-17 10:45:02,285 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 10:45:02,286 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb280dd4-8981-4d72-b3b7-c1704c0fd18e/sv-benchmarks/c/memsafety/test-0217.i [2022-10-17 10:45:02,300 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb280dd4-8981-4d72-b3b7-c1704c0fd18e/bin/uautomizer-J5u9QxTXDZ/data/f324d2380/b05b8716069a4c19bca2fdba339fdc44/FLAG8fea1c091 [2022-10-17 10:45:02,711 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb280dd4-8981-4d72-b3b7-c1704c0fd18e/bin/uautomizer-J5u9QxTXDZ/data/f324d2380/b05b8716069a4c19bca2fdba339fdc44 [2022-10-17 10:45:02,713 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 10:45:02,715 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 10:45:02,716 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 10:45:02,716 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 10:45:02,720 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 10:45:02,721 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 10:45:02" (1/1) ... [2022-10-17 10:45:02,722 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71f95c0c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:45:02, skipping insertion in model container [2022-10-17 10:45:02,722 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 10:45:02" (1/1) ... [2022-10-17 10:45:02,727 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 10:45:02,773 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 10:45:03,195 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 10:45:03,207 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 10:45:03,286 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 10:45:03,340 INFO L208 MainTranslator]: Completed translation [2022-10-17 10:45:03,341 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:45:03 WrapperNode [2022-10-17 10:45:03,341 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 10:45:03,343 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 10:45:03,343 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 10:45:03,344 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 10:45:03,352 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:45:03" (1/1) ... [2022-10-17 10:45:03,386 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:45:03" (1/1) ... [2022-10-17 10:45:03,433 INFO L138 Inliner]: procedures = 181, calls = 47, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 202 [2022-10-17 10:45:03,435 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 10:45:03,435 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 10:45:03,436 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 10:45:03,436 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 10:45:03,445 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:45:03" (1/1) ... [2022-10-17 10:45:03,445 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:45:03" (1/1) ... [2022-10-17 10:45:03,460 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:45:03" (1/1) ... [2022-10-17 10:45:03,463 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:45:03" (1/1) ... [2022-10-17 10:45:03,473 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:45:03" (1/1) ... [2022-10-17 10:45:03,492 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:45:03" (1/1) ... [2022-10-17 10:45:03,496 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:45:03" (1/1) ... [2022-10-17 10:45:03,504 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:45:03" (1/1) ... [2022-10-17 10:45:03,508 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 10:45:03,514 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 10:45:03,515 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 10:45:03,515 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 10:45:03,516 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:45:03" (1/1) ... [2022-10-17 10:45:03,527 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:45:03,540 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb280dd4-8981-4d72-b3b7-c1704c0fd18e/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:45:03,555 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb280dd4-8981-4d72-b3b7-c1704c0fd18e/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:45:03,586 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb280dd4-8981-4d72-b3b7-c1704c0fd18e/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-10-17 10:45:03,607 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 10:45:03,608 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-10-17 10:45:03,608 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-10-17 10:45:03,608 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 10:45:03,608 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 10:45:03,608 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-17 10:45:03,609 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-17 10:45:03,609 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 10:45:03,609 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-17 10:45:03,609 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 10:45:03,609 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 10:45:03,610 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 10:45:03,791 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 10:45:03,793 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 10:45:03,813 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-10-17 10:45:04,284 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 10:45:04,290 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 10:45:04,291 INFO L300 CfgBuilder]: Removed 5 assume(true) statements. [2022-10-17 10:45:04,293 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:45:04 BoogieIcfgContainer [2022-10-17 10:45:04,293 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 10:45:04,294 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-10-17 10:45:04,294 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-10-17 10:45:04,298 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-10-17 10:45:04,314 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-10-17 10:45:04,314 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 17.10 10:45:02" (1/3) ... [2022-10-17 10:45:04,315 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6938f8ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 17.10 10:45:04, skipping insertion in model container [2022-10-17 10:45:04,315 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-10-17 10:45:04,315 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:45:03" (2/3) ... [2022-10-17 10:45:04,316 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6938f8ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 17.10 10:45:04, skipping insertion in model container [2022-10-17 10:45:04,316 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-10-17 10:45:04,316 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:45:04" (3/3) ... [2022-10-17 10:45:04,317 INFO L332 chiAutomizerObserver]: Analyzing ICFG test-0217.i [2022-10-17 10:45:04,413 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-10-17 10:45:04,413 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-10-17 10:45:04,413 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-10-17 10:45:04,413 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-10-17 10:45:04,413 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-10-17 10:45:04,414 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-10-17 10:45:04,415 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-10-17 10:45:04,415 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-10-17 10:45:04,419 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 52 states, 49 states have (on average 1.5510204081632653) internal successors, (76), 49 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) [2022-10-17 10:45:04,455 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 39 [2022-10-17 10:45:04,455 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-10-17 10:45:04,455 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-10-17 10:45:04,461 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-10-17 10:45:04,461 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-10-17 10:45:04,461 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-10-17 10:45:04,462 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 52 states, 49 states have (on average 1.5510204081632653) internal successors, (76), 49 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) [2022-10-17 10:45:04,466 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 39 [2022-10-17 10:45:04,466 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-10-17 10:45:04,467 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-10-17 10:45:04,467 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-10-17 10:45:04,467 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-10-17 10:45:04,475 INFO L748 eck$LassoCheckResult]: Stem: 40#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);~#list~0.base, ~#list~0.offset := 3, 0;call #Ultimate.allocInit(8, 3);call write~init~$Pointer$(0, 0, ~#list~0.base, ~#list~0.offset, 4);call write~init~$Pointer$(0, 0, ~#list~0.base, 4 + ~#list~0.offset, 4); 27#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret31#1, main_#t~nondet30#1, main_#t~ret33#1, main_#t~nondet32#1, main_#t~nondet29#1, main_#t~nondet34#1, main_#t~mem35#1.base, main_#t~mem35#1.offset, main_#t~mem36#1.base, main_#t~mem36#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; 29#L732-2true [2022-10-17 10:45:04,476 INFO L750 eck$LassoCheckResult]: Loop: 29#L732-2true assume !!(0 != main_#t~nondet29#1);havoc main_#t~nondet29#1; 39#L730-2true assume !true; 47#L732-1true assume !true; 29#L732-2true [2022-10-17 10:45:04,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:45:04,481 INFO L85 PathProgramCache]: Analyzing trace with hash 1251, now seen corresponding path program 1 times [2022-10-17 10:45:04,491 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:45:04,492 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1782037346] [2022-10-17 10:45:04,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:45:04,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:45:04,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:45:04,585 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:45:04,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:45:04,616 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:45:04,619 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:45:04,620 INFO L85 PathProgramCache]: Analyzing trace with hash 52490, now seen corresponding path program 1 times [2022-10-17 10:45:04,620 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:45:04,620 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [107267530] [2022-10-17 10:45:04,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:45:04,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:45:04,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:45:04,663 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 10:45:04,663 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:45:04,664 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [107267530] [2022-10-17 10:45:04,664 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [107267530] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:45:04,665 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:45:04,665 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-17 10:45:04,665 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [482392641] [2022-10-17 10:45:04,666 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:45:04,670 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-10-17 10:45:04,671 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:45:04,705 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-10-17 10:45:04,706 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-17 10:45:04,708 INFO L87 Difference]: Start difference. First operand has 52 states, 49 states have (on average 1.5510204081632653) internal successors, (76), 49 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 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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 10:45:04,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:45:04,720 INFO L93 Difference]: Finished difference Result 52 states and 72 transitions. [2022-10-17 10:45:04,722 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 52 states and 72 transitions. [2022-10-17 10:45:04,726 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 39 [2022-10-17 10:45:04,731 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 52 states to 48 states and 68 transitions. [2022-10-17 10:45:04,733 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 48 [2022-10-17 10:45:04,733 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 48 [2022-10-17 10:45:04,734 INFO L73 IsDeterministic]: Start isDeterministic. Operand 48 states and 68 transitions. [2022-10-17 10:45:04,735 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-10-17 10:45:04,735 INFO L218 hiAutomatonCegarLoop]: Abstraction has 48 states and 68 transitions. [2022-10-17 10:45:04,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states and 68 transitions. [2022-10-17 10:45:04,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2022-10-17 10:45:04,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 46 states have (on average 1.434782608695652) internal successors, (66), 45 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) [2022-10-17 10:45:04,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 68 transitions. [2022-10-17 10:45:04,768 INFO L240 hiAutomatonCegarLoop]: Abstraction has 48 states and 68 transitions. [2022-10-17 10:45:04,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-17 10:45:04,772 INFO L428 stractBuchiCegarLoop]: Abstraction has 48 states and 68 transitions. [2022-10-17 10:45:04,773 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-10-17 10:45:04,773 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 48 states and 68 transitions. [2022-10-17 10:45:04,775 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 39 [2022-10-17 10:45:04,775 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-10-17 10:45:04,775 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-10-17 10:45:04,776 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-10-17 10:45:04,776 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-10-17 10:45:04,776 INFO L748 eck$LassoCheckResult]: Stem: 149#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);~#list~0.base, ~#list~0.offset := 3, 0;call #Ultimate.allocInit(8, 3);call write~init~$Pointer$(0, 0, ~#list~0.base, ~#list~0.offset, 4);call write~init~$Pointer$(0, 0, ~#list~0.base, 4 + ~#list~0.offset, 4); 116#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret31#1, main_#t~nondet30#1, main_#t~ret33#1, main_#t~nondet32#1, main_#t~nondet29#1, main_#t~nondet34#1, main_#t~mem35#1.base, main_#t~mem35#1.offset, main_#t~mem36#1.base, main_#t~mem36#1.offset, main_~next~1#1.base, main_~next~1#1.offset, main_~end_point~0#1, main_~direction~0#1, main_~cursor~1#1.base, main_~cursor~1#1.offset; 117#L732-2 [2022-10-17 10:45:04,776 INFO L750 eck$LassoCheckResult]: Loop: 117#L732-2 assume !!(0 != main_#t~nondet29#1);havoc main_#t~nondet29#1; 122#L730-2 assume !(0 != main_#t~nondet30#1);havoc main_#t~nondet30#1; 147#L732-1 assume !(0 != main_#t~nondet32#1);havoc main_#t~nondet32#1; 117#L732-2 [2022-10-17 10:45:04,777 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:45:04,777 INFO L85 PathProgramCache]: Analyzing trace with hash 1251, now seen corresponding path program 2 times [2022-10-17 10:45:04,778 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:45:04,778 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [116383414] [2022-10-17 10:45:04,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:45:04,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:45:04,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:45:04,791 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:45:04,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:45:04,802 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:45:04,803 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:45:04,803 INFO L85 PathProgramCache]: Analyzing trace with hash 49962, now seen corresponding path program 1 times [2022-10-17 10:45:04,804 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:45:04,804 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1821784593] [2022-10-17 10:45:04,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:45:04,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:45:04,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:45:04,811 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:45:04,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:45:04,817 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:45:04,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:45:04,818 INFO L85 PathProgramCache]: Analyzing trace with hash 37288712, now seen corresponding path program 1 times [2022-10-17 10:45:04,818 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:45:04,818 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [629729968] [2022-10-17 10:45:04,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:45:04,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:45:04,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:45:04,831 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:45:04,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:45:04,844 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:45:05,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:45:05,126 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:45:05,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:45:05,161 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 17.10 10:45:05 BoogieIcfgContainer [2022-10-17 10:45:05,161 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-10-17 10:45:05,161 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-10-17 10:45:05,162 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-10-17 10:45:05,162 INFO L275 PluginConnector]: Witness Printer initialized [2022-10-17 10:45:05,162 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:45:04" (3/4) ... [2022-10-17 10:45:05,165 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2022-10-17 10:45:05,238 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb280dd4-8981-4d72-b3b7-c1704c0fd18e/bin/uautomizer-J5u9QxTXDZ/witness.graphml [2022-10-17 10:45:05,238 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-10-17 10:45:05,239 INFO L158 Benchmark]: Toolchain (without parser) took 2524.02ms. Allocated memory is still 104.9MB. Free memory was 65.8MB in the beginning and 78.1MB in the end (delta: -12.3MB). Peak memory consumption was 36.4MB. Max. memory is 16.1GB. [2022-10-17 10:45:05,240 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 104.9MB. Free memory is still 84.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 10:45:05,241 INFO L158 Benchmark]: CACSL2BoogieTranslator took 626.25ms. Allocated memory is still 104.9MB. Free memory was 65.6MB in the beginning and 67.6MB in the end (delta: -2.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-10-17 10:45:05,244 INFO L158 Benchmark]: Boogie Procedure Inliner took 91.61ms. Allocated memory is still 104.9MB. Free memory was 67.6MB in the beginning and 64.9MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-10-17 10:45:05,247 INFO L158 Benchmark]: Boogie Preprocessor took 78.26ms. Allocated memory is still 104.9MB. Free memory was 64.9MB in the beginning and 62.5MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 10:45:05,248 INFO L158 Benchmark]: RCFGBuilder took 778.61ms. Allocated memory is still 104.9MB. Free memory was 62.5MB in the beginning and 79.8MB in the end (delta: -17.3MB). Peak memory consumption was 28.7MB. Max. memory is 16.1GB. [2022-10-17 10:45:05,248 INFO L158 Benchmark]: BuchiAutomizer took 867.15ms. Allocated memory is still 104.9MB. Free memory was 79.8MB in the beginning and 37.4MB in the end (delta: 42.4MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2022-10-17 10:45:05,249 INFO L158 Benchmark]: Witness Printer took 76.62ms. Allocated memory is still 104.9MB. Free memory was 37.4MB in the beginning and 78.1MB in the end (delta: -40.7MB). Peak memory consumption was 9.9MB. Max. memory is 16.1GB. [2022-10-17 10:45:05,255 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 104.9MB. Free memory is still 84.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 626.25ms. Allocated memory is still 104.9MB. Free memory was 65.6MB in the beginning and 67.6MB in the end (delta: -2.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 91.61ms. Allocated memory is still 104.9MB. Free memory was 67.6MB in the beginning and 64.9MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 78.26ms. Allocated memory is still 104.9MB. Free memory was 64.9MB in the beginning and 62.5MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 778.61ms. Allocated memory is still 104.9MB. Free memory was 62.5MB in the beginning and 79.8MB in the end (delta: -17.3MB). Peak memory consumption was 28.7MB. Max. memory is 16.1GB. * BuchiAutomizer took 867.15ms. Allocated memory is still 104.9MB. Free memory was 79.8MB in the beginning and 37.4MB in the end (delta: 42.4MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. * Witness Printer took 76.62ms. Allocated memory is still 104.9MB. Free memory was 37.4MB in the beginning and 78.1MB in the end (delta: -40.7MB). Peak memory consumption was 9.9MB. 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 48 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 0.7s and 2 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 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; 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; 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! [2022-10-17 10:45:05,309 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb280dd4-8981-4d72-b3b7-c1704c0fd18e/bin/uautomizer-J5u9QxTXDZ/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)