./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loops-crafted-1/net_reset.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd18a69b-7c56-47d7-b52a-4f157d0c4b5a/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd18a69b-7c56-47d7-b52a-4f157d0c4b5a/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_fd18a69b-7c56-47d7-b52a-4f157d0c4b5a/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd18a69b-7c56-47d7-b52a-4f157d0c4b5a/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/loops-crafted-1/net_reset.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd18a69b-7c56-47d7-b52a-4f157d0c4b5a/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd18a69b-7c56-47d7-b52a-4f157d0c4b5a/bin/uautomizer-verify-qhAvR1uOyd --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 00b2d57b1b13c21a3530a9e13d4250bbaeb7ca7663e06f1caace8c73fa8196b2 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 15:17:50,115 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 15:17:50,225 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd18a69b-7c56-47d7-b52a-4f157d0c4b5a/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-13 15:17:50,237 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 15:17:50,237 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 15:17:50,292 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 15:17:50,293 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 15:17:50,293 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 15:17:50,294 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 15:17:50,295 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 15:17:50,295 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 15:17:50,295 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 15:17:50,296 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 15:17:50,296 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 15:17:50,296 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 15:17:50,298 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 15:17:50,298 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 15:17:50,298 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 15:17:50,298 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 15:17:50,298 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 15:17:50,299 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 15:17:50,299 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 15:17:50,299 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 15:17:50,299 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 15:17:50,299 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 15:17:50,299 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 15:17:50,300 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 15:17:50,300 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 15:17:50,300 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 15:17:50,300 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 15:17:50,300 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 15:17:50,300 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 15:17:50,300 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 15:17:50,301 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 15:17:50,301 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 15:17:50,301 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 15:17:50,301 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 15:17:50,301 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 15:17:50,301 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 15:17:50,301 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 15:17:50,301 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 15:17:50,301 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 15:17:50,302 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_fd18a69b-7c56-47d7-b52a-4f157d0c4b5a/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(G ! call(reach_error())) ) 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 -> 00b2d57b1b13c21a3530a9e13d4250bbaeb7ca7663e06f1caace8c73fa8196b2 [2024-11-13 15:17:50,697 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 15:17:50,711 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 15:17:50,714 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 15:17:50,715 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 15:17:50,716 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 15:17:50,718 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd18a69b-7c56-47d7-b52a-4f157d0c4b5a/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/loops-crafted-1/net_reset.c Unable to find full path for "g++" [2024-11-13 15:17:52,880 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 15:17:53,240 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 15:17:53,241 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd18a69b-7c56-47d7-b52a-4f157d0c4b5a/sv-benchmarks/c/loops-crafted-1/net_reset.c [2024-11-13 15:17:53,253 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd18a69b-7c56-47d7-b52a-4f157d0c4b5a/bin/uautomizer-verify-qhAvR1uOyd/data/733c17cdd/aed4dd89a0fb40609f511c3c6108ad45/FLAGa9f52a0cb [2024-11-13 15:17:53,272 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd18a69b-7c56-47d7-b52a-4f157d0c4b5a/bin/uautomizer-verify-qhAvR1uOyd/data/733c17cdd/aed4dd89a0fb40609f511c3c6108ad45 [2024-11-13 15:17:53,275 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 15:17:53,277 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 15:17:53,279 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 15:17:53,280 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 15:17:53,285 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 15:17:53,286 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 03:17:53" (1/1) ... [2024-11-13 15:17:53,287 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7aa30871 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:17:53, skipping insertion in model container [2024-11-13 15:17:53,288 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 03:17:53" (1/1) ... [2024-11-13 15:17:53,313 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 15:17:53,548 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd18a69b-7c56-47d7-b52a-4f157d0c4b5a/sv-benchmarks/c/loops-crafted-1/net_reset.c[4573,4586] [2024-11-13 15:17:53,574 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 15:17:55,920 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 15:17:55,981 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd18a69b-7c56-47d7-b52a-4f157d0c4b5a/sv-benchmarks/c/loops-crafted-1/net_reset.c[4573,4586] [2024-11-13 15:17:55,996 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 15:17:58,184 INFO L204 MainTranslator]: Completed translation [2024-11-13 15:17:58,185 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:17:58 WrapperNode [2024-11-13 15:17:58,185 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 15:17:58,189 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 15:17:58,190 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 15:17:58,190 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 15:17:58,199 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:17:58" (1/1) ... [2024-11-13 15:17:58,912 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:17:58" (1/1) ... [2024-11-13 15:18:02,211 INFO L138 Inliner]: procedures = 18, calls = 92195, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 92253 [2024-11-13 15:18:02,212 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 15:18:02,213 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 15:18:02,213 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 15:18:02,213 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 15:18:02,224 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:17:58" (1/1) ... [2024-11-13 15:18:02,225 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:17:58" (1/1) ... [2024-11-13 15:18:02,987 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:17:58" (1/1) ... [2024-11-13 15:18:03,567 INFO L175 MemorySlicer]: Split 92179 memory accesses to 4 slices as follows [2, 92160, 16, 1]. 100 percent of accesses are in the largest equivalence class. The 92178 initializations are split as follows [2, 92160, 16, 0]. The 0 writes are split as follows [0, 0, 0, 0]. [2024-11-13 15:18:03,567 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:17:58" (1/1) ... [2024-11-13 15:18:03,567 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:17:58" (1/1) ... [2024-11-13 15:18:05,088 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:17:58" (1/1) ... [2024-11-13 15:18:05,185 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:17:58" (1/1) ... [2024-11-13 15:18:05,306 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:17:58" (1/1) ... [2024-11-13 15:18:05,408 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:17:58" (1/1) ... [2024-11-13 15:18:05,873 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 15:18:05,876 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 15:18:05,876 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 15:18:05,876 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 15:18:05,877 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:17:58" (1/1) ... [2024-11-13 15:18:05,888 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 15:18:05,904 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd18a69b-7c56-47d7-b52a-4f157d0c4b5a/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:18:05,921 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd18a69b-7c56-47d7-b52a-4f157d0c4b5a/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 15:18:05,925 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd18a69b-7c56-47d7-b52a-4f157d0c4b5a/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 15:18:05,954 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 15:18:05,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-13 15:18:05,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-13 15:18:05,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-13 15:18:05,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-13 15:18:05,955 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 15:18:05,955 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 15:18:05,955 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 15:18:05,955 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-13 15:18:05,955 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-13 15:18:05,955 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-13 15:18:05,955 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-13 15:18:05,955 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 15:18:06,142 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 15:18:06,145 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation