./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-regression/mutex_lock_int.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c07c3e0-ee8b-4d4a-b5ee-d22bbfaf9f65/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c07c3e0-ee8b-4d4a-b5ee-d22bbfaf9f65/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c07c3e0-ee8b-4d4a-b5ee-d22bbfaf9f65/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c07c3e0-ee8b-4d4a-b5ee-d22bbfaf9f65/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-regression/mutex_lock_int.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c07c3e0-ee8b-4d4a-b5ee-d22bbfaf9f65/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c07c3e0-ee8b-4d4a-b5ee-d22bbfaf9f65/bin/uautomizer-verify-aQ6SnzHsRB --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 8b169d38538f0c8a0181bbf45a50b1cbddb80f9f42a6ac6255edc1f7c35c3dfd --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-27 19:53:56,991 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-27 19:53:57,071 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c07c3e0-ee8b-4d4a-b5ee-d22bbfaf9f65/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-27 19:53:57,078 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-27 19:53:57,079 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-27 19:53:57,108 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-27 19:53:57,109 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-27 19:53:57,109 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-27 19:53:57,109 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-27 19:53:57,110 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-27 19:53:57,110 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-27 19:53:57,110 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-27 19:53:57,110 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-27 19:53:57,110 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-27 19:53:57,110 INFO L153 SettingsManager]: * Use SBE=true [2024-11-27 19:53:57,111 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-27 19:53:57,111 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-27 19:53:57,111 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-27 19:53:57,111 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-27 19:53:57,111 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-27 19:53:57,111 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-27 19:53:57,111 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-27 19:53:57,112 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-27 19:53:57,112 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-27 19:53:57,112 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-27 19:53:57,112 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-27 19:53:57,112 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-27 19:53:57,112 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-27 19:53:57,112 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-27 19:53:57,113 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 19:53:57,113 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-27 19:53:57,113 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 19:53:57,113 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 19:53:57,113 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-27 19:53:57,113 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 19:53:57,113 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-27 19:53:57,113 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 19:53:57,114 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 19:53:57,114 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-27 19:53:57,114 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-27 19:53:57,114 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-27 19:53:57,114 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-27 19:53:57,114 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-27 19:53:57,114 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-27 19:53:57,114 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-27 19:53:57,115 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-27 19:53:57,115 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-27 19:53:57,115 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-27 19:53:57,115 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_2c07c3e0-ee8b-4d4a-b5ee-d22bbfaf9f65/bin/uautomizer-verify-aQ6SnzHsRB 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 -> 8b169d38538f0c8a0181bbf45a50b1cbddb80f9f42a6ac6255edc1f7c35c3dfd [2024-11-27 19:53:57,416 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-27 19:53:57,427 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-27 19:53:57,434 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-27 19:53:57,436 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-27 19:53:57,437 INFO L274 PluginConnector]: CDTParser initialized [2024-11-27 19:53:57,440 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c07c3e0-ee8b-4d4a-b5ee-d22bbfaf9f65/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/ldv-regression/mutex_lock_int.i [2024-11-27 19:54:00,491 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c07c3e0-ee8b-4d4a-b5ee-d22bbfaf9f65/bin/uautomizer-verify-aQ6SnzHsRB/data/266cfef69/a6884870755e43f6bc187fc34941ed1f/FLAGf789496fc [2024-11-27 19:54:00,785 INFO L384 CDTParser]: Found 1 translation units. [2024-11-27 19:54:00,786 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c07c3e0-ee8b-4d4a-b5ee-d22bbfaf9f65/sv-benchmarks/c/ldv-regression/mutex_lock_int.i [2024-11-27 19:54:00,799 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c07c3e0-ee8b-4d4a-b5ee-d22bbfaf9f65/bin/uautomizer-verify-aQ6SnzHsRB/data/266cfef69/a6884870755e43f6bc187fc34941ed1f/FLAGf789496fc [2024-11-27 19:54:00,816 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c07c3e0-ee8b-4d4a-b5ee-d22bbfaf9f65/bin/uautomizer-verify-aQ6SnzHsRB/data/266cfef69/a6884870755e43f6bc187fc34941ed1f [2024-11-27 19:54:00,818 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-27 19:54:00,820 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-27 19:54:00,822 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-27 19:54:00,822 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-27 19:54:00,829 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-27 19:54:00,830 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 07:54:00" (1/1) ... [2024-11-27 19:54:00,832 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6871f256 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:54:00, skipping insertion in model container [2024-11-27 19:54:00,833 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 07:54:00" (1/1) ... [2024-11-27 19:54:00,847 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-27 19:54:01,020 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_2c07c3e0-ee8b-4d4a-b5ee-d22bbfaf9f65/sv-benchmarks/c/ldv-regression/mutex_lock_int.i[293,306] [2024-11-27 19:54:01,038 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 19:54:01,050 INFO L200 MainTranslator]: Completed pre-run [2024-11-27 19:54:01,063 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_2c07c3e0-ee8b-4d4a-b5ee-d22bbfaf9f65/sv-benchmarks/c/ldv-regression/mutex_lock_int.i[293,306] [2024-11-27 19:54:01,069 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 19:54:01,091 INFO L204 MainTranslator]: Completed translation [2024-11-27 19:54:01,092 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:54:01 WrapperNode [2024-11-27 19:54:01,093 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-27 19:54:01,094 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-27 19:54:01,094 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-27 19:54:01,094 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-27 19:54:01,113 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:54:01" (1/1) ... [2024-11-27 19:54:01,121 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:54:01" (1/1) ... [2024-11-27 19:54:01,140 INFO L138 Inliner]: procedures = 15, calls = 18, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 15 [2024-11-27 19:54:01,141 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-27 19:54:01,142 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-27 19:54:01,142 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-27 19:54:01,142 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-27 19:54:01,153 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:54:01" (1/1) ... [2024-11-27 19:54:01,154 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:54:01" (1/1) ... [2024-11-27 19:54:01,156 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:54:01" (1/1) ... [2024-11-27 19:54:01,175 INFO L175 MemorySlicer]: Split 5 memory accesses to 2 slices as follows [2, 3]. 60 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0]. The 2 writes are split as follows [0, 2]. [2024-11-27 19:54:01,175 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:54:01" (1/1) ... [2024-11-27 19:54:01,175 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:54:01" (1/1) ... [2024-11-27 19:54:01,180 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:54:01" (1/1) ... [2024-11-27 19:54:01,183 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:54:01" (1/1) ... [2024-11-27 19:54:01,189 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:54:01" (1/1) ... [2024-11-27 19:54:01,189 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:54:01" (1/1) ... [2024-11-27 19:54:01,190 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:54:01" (1/1) ... [2024-11-27 19:54:01,194 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-27 19:54:01,195 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-27 19:54:01,197 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-27 19:54:01,197 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-27 19:54:01,198 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:54:01" (1/1) ... [2024-11-27 19:54:01,204 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 19:54:01,217 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c07c3e0-ee8b-4d4a-b5ee-d22bbfaf9f65/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 19:54:01,231 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c07c3e0-ee8b-4d4a-b5ee-d22bbfaf9f65/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-27 19:54:01,237 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c07c3e0-ee8b-4d4a-b5ee-d22bbfaf9f65/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-27 19:54:01,258 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-27 19:54:01,259 INFO L130 BoogieDeclarations]: Found specification of procedure err [2024-11-27 19:54:01,259 INFO L138 BoogieDeclarations]: Found implementation of procedure err [2024-11-27 19:54:01,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-27 19:54:01,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-27 19:54:01,259 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-27 19:54:01,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-27 19:54:01,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-27 19:54:01,259 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2024-11-27 19:54:01,259 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2024-11-27 19:54:01,259 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-27 19:54:01,260 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-27 19:54:01,260 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-27 19:54:01,260 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-27 19:54:01,260 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-27 19:54:01,326 INFO L234 CfgBuilder]: Building ICFG [2024-11-27 19:54:01,329 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-27 19:54:01,465 INFO L? ?]: Removed 4 outVars from TransFormulas that were not future-live. [2024-11-27 19:54:01,466 INFO L283 CfgBuilder]: Performing block encoding [2024-11-27 19:54:01,475 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-27 19:54:01,475 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-27 19:54:01,476 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 07:54:01 BoogieIcfgContainer [2024-11-27 19:54:01,476 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-27 19:54:01,478 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-27 19:54:01,478 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-27 19:54:01,483 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-27 19:54:01,484 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.11 07:54:00" (1/3) ... [2024-11-27 19:54:01,484 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d0e60a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 07:54:01, skipping insertion in model container [2024-11-27 19:54:01,485 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:54:01" (2/3) ... [2024-11-27 19:54:01,485 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d0e60a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 07:54:01, skipping insertion in model container [2024-11-27 19:54:01,485 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 07:54:01" (3/3) ... [2024-11-27 19:54:01,486 INFO L128 eAbstractionObserver]: Analyzing ICFG mutex_lock_int.i [2024-11-27 19:54:01,503 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-27 19:54:01,504 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG mutex_lock_int.i that has 3 procedures, 18 locations, 1 initial locations, 0 loop locations, and 1 error locations. [2024-11-27 19:54:01,578 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-27 19:54:01,598 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@4f24ce69, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-27 19:54:01,598 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-27 19:54:01,604 INFO L276 IsEmpty]: Start isEmpty. Operand has 18 states, 11 states have (on average 1.1818181818181819) internal successors, (13), 13 states have internal predecessors, (13), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-27 19:54:01,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-27 19:54:01,613 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 19:54:01,614 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-27 19:54:01,615 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting errErr0ASSERT_VIOLATIONERROR_FUNCTION === [errErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 19:54:01,623 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:54:01,625 INFO L85 PathProgramCache]: Analyzing trace with hash 847153890, now seen corresponding path program 1 times [2024-11-27 19:54:01,635 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 19:54:01,635 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [993482226] [2024-11-27 19:54:01,636 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:54:01,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:54:01,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:54:02,129 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 19:54:02,129 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 19:54:02,130 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [993482226] [2024-11-27 19:54:02,130 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [993482226] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 19:54:02,130 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 19:54:02,131 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-27 19:54:02,132 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1344686839] [2024-11-27 19:54:02,133 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 19:54:02,137 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 19:54:02,137 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 19:54:02,155 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 19:54:02,156 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-27 19:54:02,157 INFO L87 Difference]: Start difference. First operand has 18 states, 11 states have (on average 1.1818181818181819) internal successors, (13), 13 states have internal predecessors, (13), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 5 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 19:54:02,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 19:54:02,259 INFO L93 Difference]: Finished difference Result 34 states and 39 transitions. [2024-11-27 19:54:02,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 19:54:02,262 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2024-11-27 19:54:02,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 19:54:02,268 INFO L225 Difference]: With dead ends: 34 [2024-11-27 19:54:02,268 INFO L226 Difference]: Without dead ends: 14 [2024-11-27 19:54:02,272 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-27 19:54:02,275 INFO L435 NwaCegarLoop]: 13 mSDtfsCounter, 2 mSDsluCounter, 31 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 44 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-27 19:54:02,276 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 44 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-27 19:54:02,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2024-11-27 19:54:02,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2024-11-27 19:54:02,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 9 states have (on average 1.0) internal successors, (9), 9 states have internal predecessors, (9), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-27 19:54:02,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 13 transitions. [2024-11-27 19:54:02,314 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 13 transitions. Word has length 7 [2024-11-27 19:54:02,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 19:54:02,315 INFO L471 AbstractCegarLoop]: Abstraction has 14 states and 13 transitions. [2024-11-27 19:54:02,315 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 19:54:02,315 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 13 transitions. [2024-11-27 19:54:02,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-27 19:54:02,316 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 19:54:02,316 INFO L218 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 19:54:02,316 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-27 19:54:02,317 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting errErr0ASSERT_VIOLATIONERROR_FUNCTION === [errErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 19:54:02,317 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:54:02,317 INFO L85 PathProgramCache]: Analyzing trace with hash -1741455158, now seen corresponding path program 1 times [2024-11-27 19:54:02,318 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 19:54:02,318 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1198246128] [2024-11-27 19:54:02,318 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:54:02,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:54:02,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 19:54:02,346 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 19:54:02,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 19:54:02,410 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-27 19:54:02,410 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-27 19:54:02,413 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location errErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-27 19:54:02,415 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-27 19:54:02,419 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-27 19:54:02,443 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-27 19:54:02,469 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.11 07:54:02 BoogieIcfgContainer [2024-11-27 19:54:02,472 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-27 19:54:02,473 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-27 19:54:02,473 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-27 19:54:02,474 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-27 19:54:02,474 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 07:54:01" (3/4) ... [2024-11-27 19:54:02,476 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-27 19:54:02,529 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 7. [2024-11-27 19:54:02,586 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c07c3e0-ee8b-4d4a-b5ee-d22bbfaf9f65/bin/uautomizer-verify-aQ6SnzHsRB/witness.graphml [2024-11-27 19:54:02,587 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c07c3e0-ee8b-4d4a-b5ee-d22bbfaf9f65/bin/uautomizer-verify-aQ6SnzHsRB/witness.yml [2024-11-27 19:54:02,587 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-27 19:54:02,589 INFO L158 Benchmark]: Toolchain (without parser) took 1768.04ms. Allocated memory is still 117.4MB. Free memory was 94.0MB in the beginning and 87.8MB in the end (delta: 6.2MB). Peak memory consumption was 4.5MB. Max. memory is 16.1GB. [2024-11-27 19:54:02,589 INFO L158 Benchmark]: CDTParser took 0.48ms. Allocated memory is still 167.8MB. Free memory is still 104.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 19:54:02,590 INFO L158 Benchmark]: CACSL2BoogieTranslator took 271.47ms. Allocated memory is still 117.4MB. Free memory was 93.6MB in the beginning and 83.2MB in the end (delta: 10.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-27 19:54:02,591 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.59ms. Allocated memory is still 117.4MB. Free memory was 83.2MB in the beginning and 82.2MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 19:54:02,591 INFO L158 Benchmark]: Boogie Preprocessor took 51.98ms. Allocated memory is still 117.4MB. Free memory was 82.2MB in the beginning and 80.9MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 19:54:02,592 INFO L158 Benchmark]: RCFGBuilder took 281.45ms. Allocated memory is still 117.4MB. Free memory was 80.9MB in the beginning and 71.7MB in the end (delta: 9.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-27 19:54:02,593 INFO L158 Benchmark]: TraceAbstraction took 994.51ms. Allocated memory is still 117.4MB. Free memory was 71.0MB in the beginning and 92.0MB in the end (delta: -21.0MB). Peak memory consumption was 41.0MB. Max. memory is 16.1GB. [2024-11-27 19:54:02,593 INFO L158 Benchmark]: Witness Printer took 113.91ms. Allocated memory is still 117.4MB. Free memory was 92.0MB in the beginning and 87.8MB in the end (delta: 4.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 19:54:02,596 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.48ms. Allocated memory is still 167.8MB. Free memory is still 104.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 271.47ms. Allocated memory is still 117.4MB. Free memory was 93.6MB in the beginning and 83.2MB in the end (delta: 10.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.59ms. Allocated memory is still 117.4MB. Free memory was 83.2MB in the beginning and 82.2MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 51.98ms. Allocated memory is still 117.4MB. Free memory was 82.2MB in the beginning and 80.9MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 281.45ms. Allocated memory is still 117.4MB. Free memory was 80.9MB in the beginning and 71.7MB in the end (delta: 9.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 994.51ms. Allocated memory is still 117.4MB. Free memory was 71.0MB in the beginning and 92.0MB in the end (delta: -21.0MB). Peak memory consumption was 41.0MB. Max. memory is 16.1GB. * Witness Printer took 113.91ms. Allocated memory is still 117.4MB. Free memory was 92.0MB in the beginning and 87.8MB in the end (delta: 4.2MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 16]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L32] int m; [L33] m = 0 [L35] CALL mutex_lock(&m) VAL [\old(a)={5:0}] [L20] EXPR \read(*a) VAL [\old(a)={5:0}, a={5:0}] [L20] COND FALSE !(*a == 1) [L21] *a = 1 VAL [\old(a)={5:0}] [L35] RET mutex_lock(&m) VAL [m={5:0}] [L39] CALL mutex_lock(&m) VAL [\old(a)={5:0}] [L20] EXPR \read(*a) VAL [\old(a)={5:0}, a={5:0}] [L20] COND TRUE *a == 1 [L20] CALL err() [L16] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 18 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 2, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2 mSDsluCounter, 44 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 31 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 18 IncrementalHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 13 mSDtfsCounter, 18 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=18occurred in iteration=0, InterpolantAutomatonStates: 5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 20 NumberOfCodeBlocks, 20 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 6 ConstructedInterpolants, 0 QuantifiedInterpolants, 20 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2024-11-27 19:54:02,624 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c07c3e0-ee8b-4d4a-b5ee-d22bbfaf9f65/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (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