./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem07_label10.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 527bcce2 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ae2aa36-5069-4000-9e40-15b67189afb2/bin/uautomizer-verify-bycVGegfSx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ae2aa36-5069-4000-9e40-15b67189afb2/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_9ae2aa36-5069-4000-9e40-15b67189afb2/bin/uautomizer-verify-bycVGegfSx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ae2aa36-5069-4000-9e40-15b67189afb2/bin/uautomizer-verify-bycVGegfSx/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem07_label10.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ae2aa36-5069-4000-9e40-15b67189afb2/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_9ae2aa36-5069-4000-9e40-15b67189afb2/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 ac7de5164251639b2400ff1603c39dd636fb13644c72069e845fbf12f4a8cbdb --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 22:11:19,493 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 22:11:19,636 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ae2aa36-5069-4000-9e40-15b67189afb2/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-21 22:11:19,649 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 22:11:19,650 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 22:11:19,700 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 22:11:19,707 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 22:11:19,707 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 22:11:19,714 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-21 22:11:19,721 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-21 22:11:19,722 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 22:11:19,723 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 22:11:19,724 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 22:11:19,727 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 22:11:19,727 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 22:11:19,728 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 22:11:19,729 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 22:11:19,729 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 22:11:19,730 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 22:11:19,730 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 22:11:19,731 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 22:11:19,732 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 22:11:19,732 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 22:11:19,733 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 22:11:19,734 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 22:11:19,734 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 22:11:19,735 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 22:11:19,736 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 22:11:19,736 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 22:11:19,737 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-21 22:11:19,738 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 22:11:19,738 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:11:19,739 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 22:11:19,739 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 22:11:19,740 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 22:11:19,740 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-21 22:11:19,741 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 22:11:19,741 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 22:11:19,741 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-21 22:11:19,742 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 22:11:19,742 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-21 22:11:19,743 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 22:11:19,743 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_9ae2aa36-5069-4000-9e40-15b67189afb2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ae2aa36-5069-4000-9e40-15b67189afb2/bin/uautomizer-verify-bycVGegfSx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ac7de5164251639b2400ff1603c39dd636fb13644c72069e845fbf12f4a8cbdb [2023-11-21 22:11:20,052 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 22:11:20,093 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 22:11:20,097 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 22:11:20,098 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 22:11:20,099 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 22:11:20,101 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ae2aa36-5069-4000-9e40-15b67189afb2/bin/uautomizer-verify-bycVGegfSx/../../sv-benchmarks/c/eca-rers2012/Problem07_label10.c [2023-11-21 22:11:24,132 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 22:11:26,896 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 22:11:26,897 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ae2aa36-5069-4000-9e40-15b67189afb2/sv-benchmarks/c/eca-rers2012/Problem07_label10.c [2023-11-21 22:11:27,083 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ae2aa36-5069-4000-9e40-15b67189afb2/bin/uautomizer-verify-bycVGegfSx/data/49243afe5/cf29d740f0904997a29bd095dd5a2edd/FLAG802641aae [2023-11-21 22:11:27,100 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ae2aa36-5069-4000-9e40-15b67189afb2/bin/uautomizer-verify-bycVGegfSx/data/49243afe5/cf29d740f0904997a29bd095dd5a2edd [2023-11-21 22:11:27,103 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 22:11:27,105 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 22:11:27,107 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 22:11:27,108 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 22:11:27,117 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 22:11:27,118 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:11:27" (1/1) ... [2023-11-21 22:11:27,119 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@315752dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:11:27, skipping insertion in model container [2023-11-21 22:11:27,120 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:11:27" (1/1) ... [2023-11-21 22:11:28,609 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 22:11:41,799 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_9ae2aa36-5069-4000-9e40-15b67189afb2/sv-benchmarks/c/eca-rers2012/Problem07_label10.c[2772735,2772748] [2023-11-21 22:11:41,865 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:11:41,882 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 22:11:49,652 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_9ae2aa36-5069-4000-9e40-15b67189afb2/sv-benchmarks/c/eca-rers2012/Problem07_label10.c[2772735,2772748] [2023-11-21 22:11:49,659 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:11:50,810 INFO L206 MainTranslator]: Completed translation [2023-11-21 22:11:50,811 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:11:50 WrapperNode [2023-11-21 22:11:50,811 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 22:11:50,812 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 22:11:50,813 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 22:11:50,813 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 22:11:50,823 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:11:50" (1/1) ... [2023-11-21 22:11:51,793 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:11:50" (1/1) ... [2023-11-21 22:11:54,649 INFO L138 Inliner]: procedures = 59, calls = 53, calls flagged for inlining = 48, calls inlined = 48, statements flattened = 83774 [2023-11-21 22:11:54,650 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 22:11:54,651 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 22:11:54,651 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 22:11:54,651 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 22:11:54,661 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:11:50" (1/1) ... [2023-11-21 22:11:54,661 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:11:50" (1/1) ... [2023-11-21 22:11:55,136 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:11:50" (1/1) ... [2023-11-21 22:11:55,617 INFO L187 HeapSplitter]: Split 2 memory accesses to 1 slices as follows [2] [2023-11-21 22:11:55,617 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:11:50" (1/1) ... [2023-11-21 22:11:55,618 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:11:50" (1/1) ... [2023-11-21 22:11:57,138 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:11:50" (1/1) ... [2023-11-21 22:11:57,345 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:11:50" (1/1) ... [2023-11-21 22:11:57,435 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:11:50" (1/1) ... [2023-11-21 22:11:57,550 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:11:50" (1/1) ... [2023-11-21 22:11:57,976 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 22:11:57,977 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 22:11:57,978 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 22:11:57,978 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 22:11:57,979 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:11:50" (1/1) ... [2023-11-21 22:11:57,999 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:11:58,014 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ae2aa36-5069-4000-9e40-15b67189afb2/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:11:58,039 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ae2aa36-5069-4000-9e40-15b67189afb2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-21 22:11:58,084 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ae2aa36-5069-4000-9e40-15b67189afb2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-21 22:11:58,105 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 22:11:58,105 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-21 22:11:58,106 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 22:11:58,106 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 22:11:58,340 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 22:11:58,343 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation