./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/xcsp/aim-200-1-6-unsat-3.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability 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_6dcf7cf3-0416-4346-a779-c3b62ec1ff38/bin/uautomizer-verify-bycVGegfSx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dcf7cf3-0416-4346-a779-c3b62ec1ff38/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_6dcf7cf3-0416-4346-a779-c3b62ec1ff38/bin/uautomizer-verify-bycVGegfSx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dcf7cf3-0416-4346-a779-c3b62ec1ff38/bin/uautomizer-verify-bycVGegfSx/config/AutomizerReach.xml -i ../../sv-benchmarks/c/xcsp/aim-200-1-6-unsat-3.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dcf7cf3-0416-4346-a779-c3b62ec1ff38/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dcf7cf3-0416-4346-a779-c3b62ec1ff38/bin/uautomizer-verify-bycVGegfSx --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 7deb399b564886a9a655a57b85070b91e5dfa6d45c1bcb1f254fb3a37825fdf5 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 22:25:41,398 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 22:25:41,535 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dcf7cf3-0416-4346-a779-c3b62ec1ff38/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-21 22:25:41,539 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 22:25:41,540 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 22:25:41,586 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 22:25:41,587 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 22:25:41,588 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 22:25:41,589 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-21 22:25:41,594 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-21 22:25:41,595 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 22:25:41,595 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 22:25:41,596 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 22:25:41,597 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 22:25:41,598 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 22:25:41,598 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 22:25:41,599 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 22:25:41,599 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 22:25:41,600 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 22:25:41,600 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 22:25:41,601 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 22:25:41,601 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 22:25:41,602 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 22:25:41,602 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 22:25:41,602 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 22:25:41,603 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 22:25:41,603 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 22:25:41,604 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 22:25:41,604 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 22:25:41,605 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-21 22:25:41,606 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 22:25:41,606 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:25:41,607 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 22:25:41,607 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 22:25:41,607 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 22:25:41,607 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-21 22:25:41,608 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 22:25:41,608 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 22:25:41,608 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-21 22:25:41,608 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 22:25:41,608 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-21 22:25:41,609 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 22:25:41,609 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_6dcf7cf3-0416-4346-a779-c3b62ec1ff38/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dcf7cf3-0416-4346-a779-c3b62ec1ff38/bin/uautomizer-verify-bycVGegfSx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7deb399b564886a9a655a57b85070b91e5dfa6d45c1bcb1f254fb3a37825fdf5 [2023-11-21 22:25:41,958 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 22:25:41,991 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 22:25:41,994 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 22:25:41,995 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 22:25:41,996 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 22:25:41,998 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dcf7cf3-0416-4346-a779-c3b62ec1ff38/bin/uautomizer-verify-bycVGegfSx/../../sv-benchmarks/c/xcsp/aim-200-1-6-unsat-3.c [2023-11-21 22:25:44,992 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 22:25:45,357 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 22:25:45,357 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dcf7cf3-0416-4346-a779-c3b62ec1ff38/sv-benchmarks/c/xcsp/aim-200-1-6-unsat-3.c [2023-11-21 22:25:45,376 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dcf7cf3-0416-4346-a779-c3b62ec1ff38/bin/uautomizer-verify-bycVGegfSx/data/881231371/7d3cd40c748f4f5ba60bd9424f4b5621/FLAGdafe66baa [2023-11-21 22:25:45,394 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dcf7cf3-0416-4346-a779-c3b62ec1ff38/bin/uautomizer-verify-bycVGegfSx/data/881231371/7d3cd40c748f4f5ba60bd9424f4b5621 [2023-11-21 22:25:45,400 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 22:25:45,402 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 22:25:45,406 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 22:25:45,406 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 22:25:45,413 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 22:25:45,414 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:25:45" (1/1) ... [2023-11-21 22:25:45,415 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7405a855 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:25:45, skipping insertion in model container [2023-11-21 22:25:45,416 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:25:45" (1/1) ... [2023-11-21 22:25:45,482 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 22:25:46,015 WARN L240 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_6dcf7cf3-0416-4346-a779-c3b62ec1ff38/sv-benchmarks/c/xcsp/aim-200-1-6-unsat-3.c[38193,38206] [2023-11-21 22:25:46,058 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:25:46,071 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 22:25:46,316 WARN L240 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_6dcf7cf3-0416-4346-a779-c3b62ec1ff38/sv-benchmarks/c/xcsp/aim-200-1-6-unsat-3.c[38193,38206] [2023-11-21 22:25:46,343 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:25:46,358 INFO L206 MainTranslator]: Completed translation [2023-11-21 22:25:46,387 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:25:46 WrapperNode [2023-11-21 22:25:46,388 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 22:25:46,401 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 22:25:46,401 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 22:25:46,401 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 22:25:46,409 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:25:46" (1/1) ... [2023-11-21 22:25:46,538 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:25:46" (1/1) ... [2023-11-21 22:25:47,022 INFO L138 Inliner]: procedures = 13, calls = 716, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 8215 [2023-11-21 22:25:47,023 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 22:25:47,024 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 22:25:47,024 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 22:25:47,024 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 22:25:47,036 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:25:46" (1/1) ... [2023-11-21 22:25:47,036 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:25:46" (1/1) ... [2023-11-21 22:25:47,134 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:25:46" (1/1) ... [2023-11-21 22:25:47,248 INFO L187 HeapSplitter]: Split 2 memory accesses to 1 slices as follows [2] [2023-11-21 22:25:47,249 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:25:46" (1/1) ... [2023-11-21 22:25:47,249 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:25:46" (1/1) ... [2023-11-21 22:25:47,365 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:25:46" (1/1) ... [2023-11-21 22:25:47,398 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:25:46" (1/1) ... [2023-11-21 22:25:47,414 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:25:46" (1/1) ... [2023-11-21 22:25:47,435 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:25:46" (1/1) ... [2023-11-21 22:25:47,501 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 22:25:47,502 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 22:25:47,503 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 22:25:47,503 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 22:25:47,504 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:25:46" (1/1) ... [2023-11-21 22:25:47,510 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:25:47,588 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dcf7cf3-0416-4346-a779-c3b62ec1ff38/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:25:47,609 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dcf7cf3-0416-4346-a779-c3b62ec1ff38/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-21 22:25:47,638 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dcf7cf3-0416-4346-a779-c3b62ec1ff38/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-21 22:25:47,651 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 22:25:47,651 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 22:25:47,652 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 22:25:47,652 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-21 22:25:47,652 INFO L130 BoogieDeclarations]: Found specification of procedure assume [2023-11-21 22:25:47,652 INFO L138 BoogieDeclarations]: Found implementation of procedure assume [2023-11-21 22:25:47,946 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 22:25:47,949 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 22:25:53,213 INFO L281 CfgBuilder]: Performing block encoding