./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-fpi/ss3f.c --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_0305a0e4-28e0-4475-b7d7-5b76ac336b58/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0305a0e4-28e0-4475-b7d7-5b76ac336b58/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_0305a0e4-28e0-4475-b7d7-5b76ac336b58/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0305a0e4-28e0-4475-b7d7-5b76ac336b58/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/array-fpi/ss3f.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0305a0e4-28e0-4475-b7d7-5b76ac336b58/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_0305a0e4-28e0-4475-b7d7-5b76ac336b58/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 76ae16499864b13b3948e2270be5b31e7a14f523ef5d86d5f7c4d24360e8b13e --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 05:00:08,209 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 05:00:08,290 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0305a0e4-28e0-4475-b7d7-5b76ac336b58/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-28 05:00:08,295 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 05:00:08,296 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 05:00:08,320 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 05:00:08,320 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 05:00:08,320 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 05:00:08,321 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 05:00:08,321 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 05:00:08,321 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 05:00:08,321 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 05:00:08,322 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 05:00:08,322 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 05:00:08,322 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 05:00:08,322 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 05:00:08,322 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 05:00:08,323 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 05:00:08,323 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 05:00:08,323 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 05:00:08,323 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 05:00:08,323 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 05:00:08,323 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 05:00:08,323 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 05:00:08,324 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 05:00:08,324 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 05:00:08,324 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 05:00:08,324 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 05:00:08,324 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 05:00:08,324 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 05:00:08,324 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 05:00:08,324 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 05:00:08,324 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 05:00:08,324 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 05:00:08,324 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 05:00:08,324 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 05:00:08,325 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 05:00:08,325 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 05:00:08,325 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 05:00:08,325 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 05:00:08,325 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 05:00:08,325 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 05:00:08,325 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 05:00:08,325 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 05:00:08,325 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 05:00:08,325 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 05:00:08,325 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 05:00:08,325 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 05:00:08,325 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_0305a0e4-28e0-4475-b7d7-5b76ac336b58/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 -> 76ae16499864b13b3948e2270be5b31e7a14f523ef5d86d5f7c4d24360e8b13e [2024-11-28 05:00:08,619 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 05:00:08,628 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 05:00:08,631 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 05:00:08,632 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 05:00:08,632 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 05:00:08,633 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0305a0e4-28e0-4475-b7d7-5b76ac336b58/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/array-fpi/ss3f.c [2024-11-28 05:00:11,812 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0305a0e4-28e0-4475-b7d7-5b76ac336b58/bin/uautomizer-verify-aQ6SnzHsRB/data/106da28b5/8cd10ac61e9940febdd6b75852b6aeba/FLAG9c622b50b [2024-11-28 05:00:12,087 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 05:00:12,087 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0305a0e4-28e0-4475-b7d7-5b76ac336b58/sv-benchmarks/c/array-fpi/ss3f.c [2024-11-28 05:00:12,095 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0305a0e4-28e0-4475-b7d7-5b76ac336b58/bin/uautomizer-verify-aQ6SnzHsRB/data/106da28b5/8cd10ac61e9940febdd6b75852b6aeba/FLAG9c622b50b [2024-11-28 05:00:12,108 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0305a0e4-28e0-4475-b7d7-5b76ac336b58/bin/uautomizer-verify-aQ6SnzHsRB/data/106da28b5/8cd10ac61e9940febdd6b75852b6aeba [2024-11-28 05:00:12,110 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 05:00:12,111 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 05:00:12,113 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 05:00:12,113 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 05:00:12,118 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 05:00:12,119 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:00:12" (1/1) ... [2024-11-28 05:00:12,120 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45f922e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:00:12, skipping insertion in model container [2024-11-28 05:00:12,120 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:00:12" (1/1) ... [2024-11-28 05:00:12,136 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 05:00:12,294 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_0305a0e4-28e0-4475-b7d7-5b76ac336b58/sv-benchmarks/c/array-fpi/ss3f.c[587,600] [2024-11-28 05:00:12,322 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 05:00:12,332 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 05:00:12,348 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_0305a0e4-28e0-4475-b7d7-5b76ac336b58/sv-benchmarks/c/array-fpi/ss3f.c[587,600] [2024-11-28 05:00:12,359 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 05:00:12,380 INFO L204 MainTranslator]: Completed translation [2024-11-28 05:00:12,381 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:00:12 WrapperNode [2024-11-28 05:00:12,381 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 05:00:12,382 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 05:00:12,382 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 05:00:12,382 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 05:00:12,390 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:00:12" (1/1) ... [2024-11-28 05:00:12,396 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:00:12" (1/1) ... [2024-11-28 05:00:12,416 INFO L138 Inliner]: procedures = 17, calls = 33, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 100 [2024-11-28 05:00:12,416 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 05:00:12,417 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 05:00:12,417 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 05:00:12,417 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 05:00:12,427 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:00:12" (1/1) ... [2024-11-28 05:00:12,427 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:00:12" (1/1) ... [2024-11-28 05:00:12,429 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:00:12" (1/1) ... [2024-11-28 05:00:12,443 INFO L175 MemorySlicer]: Split 22 memory accesses to 4 slices as follows [2, 7, 6, 7]. 32 percent of accesses are in the largest equivalence class. The 9 initializations are split as follows [2, 7, 0, 0]. The 6 writes are split as follows [0, 0, 3, 3]. [2024-11-28 05:00:12,444 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:00:12" (1/1) ... [2024-11-28 05:00:12,444 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:00:12" (1/1) ... [2024-11-28 05:00:12,451 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:00:12" (1/1) ... [2024-11-28 05:00:12,452 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:00:12" (1/1) ... [2024-11-28 05:00:12,457 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:00:12" (1/1) ... [2024-11-28 05:00:12,458 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:00:12" (1/1) ... [2024-11-28 05:00:12,459 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:00:12" (1/1) ... [2024-11-28 05:00:12,461 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 05:00:12,462 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 05:00:12,462 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 05:00:12,462 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 05:00:12,463 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:00:12" (1/1) ... [2024-11-28 05:00:12,474 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 05:00:12,492 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0305a0e4-28e0-4475-b7d7-5b76ac336b58/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:00:12,508 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0305a0e4-28e0-4475-b7d7-5b76ac336b58/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 05:00:12,512 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0305a0e4-28e0-4475-b7d7-5b76ac336b58/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 05:00:12,543 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 05:00:12,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-28 05:00:12,544 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-28 05:00:12,544 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-28 05:00:12,544 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-28 05:00:12,544 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-28 05:00:12,544 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-28 05:00:12,544 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-28 05:00:12,544 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-28 05:00:12,544 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-28 05:00:12,544 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-28 05:00:12,544 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 05:00:12,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 05:00:12,544 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-28 05:00:12,544 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-28 05:00:12,545 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-28 05:00:12,545 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-28 05:00:12,545 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-28 05:00:12,651 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 05:00:12,653 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 05:00:12,856 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-11-28 05:00:12,856 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 05:00:12,865 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 05:00:12,866 INFO L312 CfgBuilder]: Removed 5 assume(true) statements. [2024-11-28 05:00:12,866 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:00:12 BoogieIcfgContainer [2024-11-28 05:00:12,866 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 05:00:12,869 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 05:00:12,869 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 05:00:12,874 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 05:00:12,875 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 05:00:12" (1/3) ... [2024-11-28 05:00:12,875 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13731950 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 05:00:12, skipping insertion in model container [2024-11-28 05:00:12,876 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:00:12" (2/3) ... [2024-11-28 05:00:12,876 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13731950 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 05:00:12, skipping insertion in model container [2024-11-28 05:00:12,876 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:00:12" (3/3) ... [2024-11-28 05:00:12,877 INFO L128 eAbstractionObserver]: Analyzing ICFG ss3f.c [2024-11-28 05:00:12,894 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 05:00:12,895 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG ss3f.c that has 1 procedures, 27 locations, 1 initial locations, 5 loop locations, and 1 error locations. [2024-11-28 05:00:12,952 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 05:00:12,965 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;@11599b13, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 05:00:12,965 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-28 05:00:12,969 INFO L276 IsEmpty]: Start isEmpty. Operand has 27 states, 25 states have (on average 1.56) internal successors, (39), 26 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:00:12,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-28 05:00:12,975 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:00:12,976 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:00:12,976 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:00:12,981 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:00:12,982 INFO L85 PathProgramCache]: Analyzing trace with hash -940671452, now seen corresponding path program 1 times [2024-11-28 05:00:12,990 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:00:12,991 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1932373293] [2024-11-28 05:00:12,992 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:00:12,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:00:13,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:00:13,180 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:00:13,182 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:00:13,183 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1932373293] [2024-11-28 05:00:13,184 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1932373293] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:00:13,186 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:00:13,187 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 05:00:13,188 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [963672014] [2024-11-28 05:00:13,189 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:00:13,192 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-28 05:00:13,192 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:00:13,213 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-28 05:00:13,213 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 05:00:13,215 INFO L87 Difference]: Start difference. First operand has 27 states, 25 states have (on average 1.56) internal successors, (39), 26 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 8.5) internal successors, (17), 2 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:00:13,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:00:13,227 INFO L93 Difference]: Finished difference Result 50 states and 72 transitions. [2024-11-28 05:00:13,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-28 05:00:13,229 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 8.5) internal successors, (17), 2 states have internal predecessors, (17), 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) Word has length 17 [2024-11-28 05:00:13,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:00:13,236 INFO L225 Difference]: With dead ends: 50 [2024-11-28 05:00:13,236 INFO L226 Difference]: Without dead ends: 23 [2024-11-28 05:00:13,238 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 05:00:13,243 INFO L435 NwaCegarLoop]: 32 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 32 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 05:00:13,244 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 05:00:13,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2024-11-28 05:00:13,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2024-11-28 05:00:13,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 22 states have (on average 1.2272727272727273) internal successors, (27), 22 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:00:13,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 27 transitions. [2024-11-28 05:00:13,278 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 27 transitions. Word has length 17 [2024-11-28 05:00:13,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:00:13,278 INFO L471 AbstractCegarLoop]: Abstraction has 23 states and 27 transitions. [2024-11-28 05:00:13,278 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 8.5) internal successors, (17), 2 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:00:13,278 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 27 transitions. [2024-11-28 05:00:13,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-28 05:00:13,279 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:00:13,279 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:00:13,279 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-28 05:00:13,279 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:00:13,282 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:00:13,283 INFO L85 PathProgramCache]: Analyzing trace with hash -1951907866, now seen corresponding path program 1 times [2024-11-28 05:00:13,283 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:00:13,283 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [634702779] [2024-11-28 05:00:13,283 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:00:13,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:00:13,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:00:13,562 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:00:13,563 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:00:13,563 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [634702779] [2024-11-28 05:00:13,563 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [634702779] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:00:13,563 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:00:13,563 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 05:00:13,563 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1093800590] [2024-11-28 05:00:13,563 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:00:13,565 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 05:00:13,565 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:00:13,566 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 05:00:13,566 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-28 05:00:13,566 INFO L87 Difference]: Start difference. First operand 23 states and 27 transitions. Second operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:00:13,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:00:13,738 INFO L93 Difference]: Finished difference Result 49 states and 61 transitions. [2024-11-28 05:00:13,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 05:00:13,738 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 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) Word has length 17 [2024-11-28 05:00:13,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:00:13,739 INFO L225 Difference]: With dead ends: 49 [2024-11-28 05:00:13,739 INFO L226 Difference]: Without dead ends: 33 [2024-11-28 05:00:13,740 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-28 05:00:13,740 INFO L435 NwaCegarLoop]: 10 mSDtfsCounter, 37 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 13 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 05:00:13,741 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 13 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 05:00:13,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2024-11-28 05:00:13,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 28. [2024-11-28 05:00:13,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 27 states have (on average 1.1851851851851851) internal successors, (32), 27 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:00:13,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 32 transitions. [2024-11-28 05:00:13,754 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 32 transitions. Word has length 17 [2024-11-28 05:00:13,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:00:13,756 INFO L471 AbstractCegarLoop]: Abstraction has 28 states and 32 transitions. [2024-11-28 05:00:13,756 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:00:13,756 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 32 transitions. [2024-11-28 05:00:13,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-28 05:00:13,758 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:00:13,758 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:00:13,758 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-28 05:00:13,759 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:00:13,759 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:00:13,760 INFO L85 PathProgramCache]: Analyzing trace with hash 1256425850, now seen corresponding path program 1 times [2024-11-28 05:00:13,760 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:00:13,760 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [109475719] [2024-11-28 05:00:13,760 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:00:13,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:00:13,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 05:00:13,855 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1974679276] [2024-11-28 05:00:13,855 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:00:13,855 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:00:13,855 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0305a0e4-28e0-4475-b7d7-5b76ac336b58/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:00:13,857 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0305a0e4-28e0-4475-b7d7-5b76ac336b58/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:00:13,860 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0305a0e4-28e0-4475-b7d7-5b76ac336b58/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-28 05:00:13,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 05:00:13,968 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 05:00:14,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 05:00:14,042 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-28 05:00:14,043 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-28 05:00:14,044 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-28 05:00:14,057 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0305a0e4-28e0-4475-b7d7-5b76ac336b58/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-28 05:00:14,246 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0305a0e4-28e0-4475-b7d7-5b76ac336b58/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:00:14,251 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-11-28 05:00:14,283 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-28 05:00:14,287 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 05:00:14 BoogieIcfgContainer [2024-11-28 05:00:14,287 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-28 05:00:14,288 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 05:00:14,288 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 05:00:14,288 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 05:00:14,289 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:00:12" (3/4) ... [2024-11-28 05:00:14,290 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-28 05:00:14,332 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 17. [2024-11-28 05:00:14,399 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0305a0e4-28e0-4475-b7d7-5b76ac336b58/bin/uautomizer-verify-aQ6SnzHsRB/witness.graphml [2024-11-28 05:00:14,399 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0305a0e4-28e0-4475-b7d7-5b76ac336b58/bin/uautomizer-verify-aQ6SnzHsRB/witness.yml [2024-11-28 05:00:14,399 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 05:00:14,400 INFO L158 Benchmark]: Toolchain (without parser) took 2288.78ms. Allocated memory is still 117.4MB. Free memory was 92.3MB in the beginning and 68.9MB in the end (delta: 23.3MB). Peak memory consumption was 21.4MB. Max. memory is 16.1GB. [2024-11-28 05:00:14,400 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 117.4MB. Free memory was 72.8MB in the beginning and 72.7MB in the end (delta: 146.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 05:00:14,401 INFO L158 Benchmark]: CACSL2BoogieTranslator took 268.83ms. Allocated memory is still 117.4MB. Free memory was 92.0MB in the beginning and 80.4MB in the end (delta: 11.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 05:00:14,401 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.55ms. Allocated memory is still 117.4MB. Free memory was 80.4MB in the beginning and 79.1MB in the end (delta: 1.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 05:00:14,401 INFO L158 Benchmark]: Boogie Preprocessor took 44.24ms. Allocated memory is still 117.4MB. Free memory was 79.1MB in the beginning and 77.4MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 05:00:14,401 INFO L158 Benchmark]: RCFGBuilder took 404.44ms. Allocated memory is still 117.4MB. Free memory was 77.4MB in the beginning and 65.0MB in the end (delta: 12.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 05:00:14,403 INFO L158 Benchmark]: TraceAbstraction took 1418.28ms. Allocated memory is still 117.4MB. Free memory was 64.3MB in the beginning and 74.2MB in the end (delta: -9.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 05:00:14,404 INFO L158 Benchmark]: Witness Printer took 111.52ms. Allocated memory is still 117.4MB. Free memory was 74.2MB in the beginning and 68.9MB in the end (delta: 5.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 05:00:14,406 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 117.4MB. Free memory was 72.8MB in the beginning and 72.7MB in the end (delta: 146.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 268.83ms. Allocated memory is still 117.4MB. Free memory was 92.0MB in the beginning and 80.4MB in the end (delta: 11.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.55ms. Allocated memory is still 117.4MB. Free memory was 80.4MB in the beginning and 79.1MB in the end (delta: 1.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 44.24ms. Allocated memory is still 117.4MB. Free memory was 79.1MB in the beginning and 77.4MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 404.44ms. Allocated memory is still 117.4MB. Free memory was 77.4MB in the beginning and 65.0MB in the end (delta: 12.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 1418.28ms. Allocated memory is still 117.4MB. Free memory was 64.3MB in the beginning and 74.2MB in the end (delta: -9.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 111.52ms. Allocated memory is still 117.4MB. Free memory was 74.2MB in the beginning and 68.9MB in the end (delta: 5.2MB). 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: 15]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L19] int N; VAL [N=0] [L23] N = __VERIFIER_nondet_int() [L24] COND FALSE !(N <= 0) [L25] CALL assume_abort_if_not(N <= 2147483647/sizeof(int)) [L13] COND FALSE !(!cond) VAL [N=1] [L25] RET assume_abort_if_not(N <= 2147483647/sizeof(int)) [L27] int i; [L28] long long sum[1]; [L29] long long *a = malloc(sizeof(long long)*N); [L31] sum[0] = 0 [L32] i=0 VAL [N=1, a={-1:0}, i=0, sum={4:0}] [L32] COND TRUE i