./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.3.prop3-back-serstep.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 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_e3addea6-2497-400b-b17d-896789083021/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3addea6-2497-400b-b17d-896789083021/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3addea6-2497-400b-b17d-896789083021/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3addea6-2497-400b-b17d-896789083021/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.3.prop3-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3addea6-2497-400b-b17d-896789083021/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3addea6-2497-400b-b17d-896789083021/bin/ukojak-verify-ImItNfHLgk --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 Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash ed419cfde3f00c4e881dce3bd1ed7d811204a89d89673a381df3dbc162643a28 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 00:30:58,633 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 00:30:58,714 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3addea6-2497-400b-b17d-896789083021/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-11-09 00:30:58,719 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 00:30:58,720 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-09 00:30:58,760 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 00:30:58,761 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 00:30:58,761 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-09 00:30:58,762 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 00:30:58,763 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 00:30:58,763 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 00:30:58,763 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 00:30:58,764 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 00:30:58,764 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 00:30:58,765 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 00:30:58,765 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 00:30:58,765 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 00:30:58,766 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 00:30:58,766 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 00:30:58,767 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 00:30:58,767 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 00:30:58,772 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 00:30:58,772 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 00:30:58,772 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 00:30:58,772 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:30:58,773 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 00:30:58,773 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 00:30:58,773 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 00:30:58,773 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-09 00:30:58,774 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 00:30:58,774 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_e3addea6-2497-400b-b17d-896789083021/bin/ukojak-verify-ImItNfHLgk/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3addea6-2497-400b-b17d-896789083021/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ed419cfde3f00c4e881dce3bd1ed7d811204a89d89673a381df3dbc162643a28 [2024-11-09 00:30:59,051 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 00:30:59,102 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 00:30:59,106 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 00:30:59,108 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 00:30:59,109 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 00:30:59,110 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3addea6-2497-400b-b17d-896789083021/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.3.prop3-back-serstep.c Unable to find full path for "g++" [2024-11-09 00:31:01,168 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:31:01,695 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:31:01,696 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3addea6-2497-400b-b17d-896789083021/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.3.prop3-back-serstep.c [2024-11-09 00:31:01,732 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3addea6-2497-400b-b17d-896789083021/bin/ukojak-verify-ImItNfHLgk/data/06532d031/40bcd0b8a4134443a395f87305b84fea/FLAGf1ea439e1 [2024-11-09 00:31:01,803 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3addea6-2497-400b-b17d-896789083021/bin/ukojak-verify-ImItNfHLgk/data/06532d031/40bcd0b8a4134443a395f87305b84fea [2024-11-09 00:31:01,806 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:31:01,807 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:31:01,809 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:31:01,809 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:31:01,816 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:31:01,817 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:31:01" (1/1) ... [2024-11-09 00:31:01,818 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@834443a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:31:01, skipping insertion in model container [2024-11-09 00:31:01,821 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:31:01" (1/1) ... [2024-11-09 00:31:01,961 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:31:02,269 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_e3addea6-2497-400b-b17d-896789083021/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.3.prop3-back-serstep.c[1175,1188] [2024-11-09 00:31:03,189 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:31:03,199 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 00:31:03,212 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_e3addea6-2497-400b-b17d-896789083021/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.3.prop3-back-serstep.c[1175,1188] [2024-11-09 00:31:03,835 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:31:03,868 INFO L204 MainTranslator]: Completed translation [2024-11-09 00:31:03,873 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:31:03 WrapperNode [2024-11-09 00:31:03,873 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 00:31:03,874 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 00:31:03,877 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 00:31:03,877 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 00:31:03,893 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:31:03" (1/1) ... [2024-11-09 00:31:04,228 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:31:03" (1/1) ... [2024-11-09 00:31:07,100 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 21659 [2024-11-09 00:31:07,101 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 00:31:07,102 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 00:31:07,102 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 00:31:07,102 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 00:31:07,113 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:31:03" (1/1) ... [2024-11-09 00:31:07,114 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:31:03" (1/1) ... [2024-11-09 00:31:07,840 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:31:03" (1/1) ... [2024-11-09 00:31:07,841 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:31:03" (1/1) ... [2024-11-09 00:31:08,581 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:31:03" (1/1) ... [2024-11-09 00:31:08,844 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:31:03" (1/1) ... [2024-11-09 00:31:09,028 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:31:03" (1/1) ... [2024-11-09 00:31:09,101 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:31:03" (1/1) ... [2024-11-09 00:31:09,776 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 00:31:09,778 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 00:31:09,778 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 00:31:09,779 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 00:31:09,779 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:31:03" (1/1) ... [2024-11-09 00:31:09,785 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:31:09,798 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3addea6-2497-400b-b17d-896789083021/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 00:31:09,815 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3addea6-2497-400b-b17d-896789083021/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 00:31:09,819 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3addea6-2497-400b-b17d-896789083021/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 00:31:09,853 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 00:31:09,853 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 00:31:09,853 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 00:31:09,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 00:31:11,183 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 00:31:11,185 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 00:32:20,450 INFO L? ?]: Removed 11503 outVars from TransFormulas that were not future-live. [2024-11-09 00:32:20,450 INFO L287 CfgBuilder]: Performing block encoding