./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/recursified_nla-digbench/recursified_dijkstra-u.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 527bcce2 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2df92fe7-0bba-4c64-8bf7-35aeb01f52d4/bin/uautomizer-verify-bycVGegfSx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2df92fe7-0bba-4c64-8bf7-35aeb01f52d4/bin/uautomizer-verify-bycVGegfSx/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2df92fe7-0bba-4c64-8bf7-35aeb01f52d4/bin/uautomizer-verify-bycVGegfSx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2df92fe7-0bba-4c64-8bf7-35aeb01f52d4/bin/uautomizer-verify-bycVGegfSx/config/AutomizerReach.xml -i ../../sv-benchmarks/c/recursified_nla-digbench/recursified_dijkstra-u.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2df92fe7-0bba-4c64-8bf7-35aeb01f52d4/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2df92fe7-0bba-4c64-8bf7-35aeb01f52d4/bin/uautomizer-verify-bycVGegfSx --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0464cc7a685168b5fc1a1b0dd8da6141b4b98c7c538345750bda8185cd005644 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 21:00:01,089 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 21:00:01,200 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2df92fe7-0bba-4c64-8bf7-35aeb01f52d4/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Overflow-32bit-Automizer_Default.epf [2023-11-21 21:00:01,208 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 21:00:01,209 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 21:00:01,247 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 21:00:01,247 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 21:00:01,248 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 21:00:01,249 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-21 21:00:01,254 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-21 21:00:01,255 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 21:00:01,255 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 21:00:01,256 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 21:00:01,258 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 21:00:01,258 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 21:00:01,259 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 21:00:01,259 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 21:00:01,260 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 21:00:01,260 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 21:00:01,261 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 21:00:01,261 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 21:00:01,262 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 21:00:01,262 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 21:00:01,263 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 21:00:01,263 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 21:00:01,264 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 21:00:01,264 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 21:00:01,265 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 21:00:01,265 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 21:00:01,266 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 21:00:01,268 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 21:00:01,268 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-21 21:00:01,268 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 21:00:01,269 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 21:00:01,269 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 21:00:01,269 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 21:00:01,270 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 21:00:01,270 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-21 21:00:01,270 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 21:00:01,271 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 21:00:01,271 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-21 21:00:01,271 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 21:00:01,272 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-21 21:00:01,272 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 21:00:01,273 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2df92fe7-0bba-4c64-8bf7-35aeb01f52d4/bin/uautomizer-verify-bycVGegfSx/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2df92fe7-0bba-4c64-8bf7-35aeb01f52d4/bin/uautomizer-verify-bycVGegfSx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0464cc7a685168b5fc1a1b0dd8da6141b4b98c7c538345750bda8185cd005644 [2023-11-21 21:00:01,580 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 21:00:01,614 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 21:00:01,616 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 21:00:01,618 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 21:00:01,618 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 21:00:01,620 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2df92fe7-0bba-4c64-8bf7-35aeb01f52d4/bin/uautomizer-verify-bycVGegfSx/../../sv-benchmarks/c/recursified_nla-digbench/recursified_dijkstra-u.c [2023-11-21 21:00:04,793 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 21:00:05,034 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 21:00:05,035 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2df92fe7-0bba-4c64-8bf7-35aeb01f52d4/sv-benchmarks/c/recursified_nla-digbench/recursified_dijkstra-u.c [2023-11-21 21:00:05,043 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2df92fe7-0bba-4c64-8bf7-35aeb01f52d4/bin/uautomizer-verify-bycVGegfSx/data/552c5b251/63bebd27bb984e688e4e7697187f2a07/FLAG2a4109990 [2023-11-21 21:00:05,065 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2df92fe7-0bba-4c64-8bf7-35aeb01f52d4/bin/uautomizer-verify-bycVGegfSx/data/552c5b251/63bebd27bb984e688e4e7697187f2a07 [2023-11-21 21:00:05,067 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 21:00:05,069 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 21:00:05,070 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 21:00:05,070 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 21:00:05,077 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 21:00:05,078 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 09:00:05" (1/1) ... [2023-11-21 21:00:05,079 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@da857ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:00:05, skipping insertion in model container [2023-11-21 21:00:05,079 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 09:00:05" (1/1) ... [2023-11-21 21:00:05,108 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 21:00:05,321 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 21:00:05,331 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 21:00:05,371 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 21:00:05,387 INFO L206 MainTranslator]: Completed translation [2023-11-21 21:00:05,387 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:00:05 WrapperNode [2023-11-21 21:00:05,388 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 21:00:05,389 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 21:00:05,389 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 21:00:05,389 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 21:00:05,405 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:00:05" (1/1) ... [2023-11-21 21:00:05,425 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:00:05" (1/1) ... [2023-11-21 21:00:05,457 INFO L138 Inliner]: procedures = 17, calls = 174, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 120 [2023-11-21 21:00:05,457 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 21:00:05,458 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 21:00:05,458 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 21:00:05,458 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 21:00:05,467 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:00:05" (1/1) ... [2023-11-21 21:00:05,468 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:00:05" (1/1) ... [2023-11-21 21:00:05,472 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:00:05" (1/1) ... [2023-11-21 21:00:05,490 INFO L187 HeapSplitter]: Split 139 memory accesses to 6 slices as follows [2, 29, 22, 35, 30, 21] [2023-11-21 21:00:05,490 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:00:05" (1/1) ... [2023-11-21 21:00:05,491 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:00:05" (1/1) ... [2023-11-21 21:00:05,503 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:00:05" (1/1) ... [2023-11-21 21:00:05,505 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:00:05" (1/1) ... [2023-11-21 21:00:05,508 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:00:05" (1/1) ... [2023-11-21 21:00:05,511 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:00:05" (1/1) ... [2023-11-21 21:00:05,517 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 21:00:05,517 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 21:00:05,518 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 21:00:05,518 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 21:00:05,519 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:00:05" (1/1) ... [2023-11-21 21:00:05,525 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 21:00:05,541 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2df92fe7-0bba-4c64-8bf7-35aeb01f52d4/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 21:00:05,554 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2df92fe7-0bba-4c64-8bf7-35aeb01f52d4/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-21 21:00:05,585 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2df92fe7-0bba-4c64-8bf7-35aeb01f52d4/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-21 21:00:05,613 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 21:00:05,613 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_29_to_33_0 [2023-11-21 21:00:05,613 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_29_to_33_0 [2023-11-21 21:00:05,613 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-21 21:00:05,614 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-11-21 21:00:05,614 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2023-11-21 21:00:05,614 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2023-11-21 21:00:05,614 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2023-11-21 21:00:05,615 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2023-11-21 21:00:05,617 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 21:00:05,618 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-21 21:00:05,618 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-11-21 21:00:05,618 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2023-11-21 21:00:05,618 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2023-11-21 21:00:05,618 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2023-11-21 21:00:05,618 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2023-11-21 21:00:05,619 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_37_to_53_0 [2023-11-21 21:00:05,619 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_37_to_53_0 [2023-11-21 21:00:05,619 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 21:00:05,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 21:00:05,620 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-11-21 21:00:05,620 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-11-21 21:00:05,621 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2023-11-21 21:00:05,621 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2023-11-21 21:00:05,621 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2023-11-21 21:00:05,622 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2023-11-21 21:00:05,622 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-21 21:00:05,622 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-21 21:00:05,623 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 21:00:05,758 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 21:00:05,760 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 21:00:06,243 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 21:00:06,320 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 21:00:06,320 INFO L308 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-21 21:00:06,322 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 09:00:06 BoogieIcfgContainer [2023-11-21 21:00:06,322 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 21:00:06,325 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-21 21:00:06,325 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-21 21:00:06,328 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-21 21:00:06,329 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 09:00:05" (1/3) ... [2023-11-21 21:00:06,329 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c88ae65 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 09:00:06, skipping insertion in model container [2023-11-21 21:00:06,330 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:00:05" (2/3) ... [2023-11-21 21:00:06,330 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c88ae65 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 09:00:06, skipping insertion in model container [2023-11-21 21:00:06,330 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 09:00:06" (3/3) ... [2023-11-21 21:00:06,332 INFO L112 eAbstractionObserver]: Analyzing ICFG recursified_dijkstra-u.c [2023-11-21 21:00:06,352 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-21 21:00:06,352 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2023-11-21 21:00:06,353 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c88ae65 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 09:00:06, skipping insertion in model container [2023-11-21 21:00:06,354 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-21 21:00:06,355 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 21:00:06,355 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 21:00:06,355 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 21:00:06,356 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 09:00:06" (3/3) ... [2023-11-21 21:00:06,357 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-21 21:00:06,360 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure func_to_recursive_line_37_to_53_0 [2023-11-21 21:00:06,361 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure func_to_recursive_line_29_to_33_0 [2023-11-21 21:00:06,361 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2023-11-21 21:00:06,371 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 29 nodes and edges [2023-11-21 21:00:06,372 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2023-11-21 21:00:06,373 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-21 21:00:06,374 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-21 21:00:06,553 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2df92fe7-0bba-4c64-8bf7-35aeb01f52d4/bin/uautomizer-verify-bycVGegfSx/witness.graphml [2023-11-21 21:00:06,553 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2df92fe7-0bba-4c64-8bf7-35aeb01f52d4/bin/uautomizer-verify-bycVGegfSx/witness.yml [2023-11-21 21:00:06,554 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-21 21:00:06,556 INFO L158 Benchmark]: Toolchain (without parser) took 1486.52ms. Allocated memory is still 130.0MB. Free memory was 91.7MB in the beginning and 67.0MB in the end (delta: 24.8MB). Peak memory consumption was 26.3MB. Max. memory is 16.1GB. [2023-11-21 21:00:06,556 INFO L158 Benchmark]: CDTParser took 1.32ms. Allocated memory is still 98.6MB. Free memory was 48.4MB in the beginning and 48.2MB in the end (delta: 117.5kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 21:00:06,557 INFO L158 Benchmark]: CACSL2BoogieTranslator took 318.03ms. Allocated memory is still 130.0MB. Free memory was 91.7MB in the beginning and 78.8MB in the end (delta: 12.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-21 21:00:06,557 INFO L158 Benchmark]: Boogie Procedure Inliner took 68.38ms. Allocated memory is still 130.0MB. Free memory was 78.8MB in the beginning and 76.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 21:00:06,558 INFO L158 Benchmark]: Boogie Preprocessor took 58.82ms. Allocated memory is still 130.0MB. Free memory was 76.7MB in the beginning and 74.0MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-21 21:00:06,558 INFO L158 Benchmark]: RCFGBuilder took 804.78ms. Allocated memory is still 130.0MB. Free memory was 73.6MB in the beginning and 77.5MB in the end (delta: -3.9MB). Peak memory consumption was 13.7MB. Max. memory is 16.1GB. [2023-11-21 21:00:06,559 INFO L158 Benchmark]: TraceAbstraction took 29.03ms. Allocated memory is still 130.0MB. Free memory was 76.7MB in the beginning and 74.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 21:00:06,560 INFO L158 Benchmark]: Witness Printer took 199.26ms. Allocated memory is still 130.0MB. Free memory was 74.6MB in the beginning and 67.0MB in the end (delta: 7.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-21 21:00:06,563 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.32ms. Allocated memory is still 98.6MB. Free memory was 48.4MB in the beginning and 48.2MB in the end (delta: 117.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 318.03ms. Allocated memory is still 130.0MB. Free memory was 91.7MB in the beginning and 78.8MB in the end (delta: 12.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 68.38ms. Allocated memory is still 130.0MB. Free memory was 78.8MB in the beginning and 76.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 58.82ms. Allocated memory is still 130.0MB. Free memory was 76.7MB in the beginning and 74.0MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 804.78ms. Allocated memory is still 130.0MB. Free memory was 73.6MB in the beginning and 77.5MB in the end (delta: -3.9MB). Peak memory consumption was 13.7MB. Max. memory is 16.1GB. * TraceAbstraction took 29.03ms. Allocated memory is still 130.0MB. Free memory was 76.7MB in the beginning and 74.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Witness Printer took 199.26ms. Allocated memory is still 130.0MB. Free memory was 74.6MB in the beginning and 67.0MB in the end (delta: 7.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - AllSpecificationsHoldResult: All specifications hold We were not able to verify any specification because the program does not contain any specification. RESULT: Ultimate proved your program to be correct! [2023-11-21 21:00:06,600 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2df92fe7-0bba-4c64-8bf7-35aeb01f52d4/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE