./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lifts.2.prop1-back-serstep.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7abbe8-1454-449a-80c0-b0bddb5ca156/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7abbe8-1454-449a-80c0-b0bddb5ca156/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7abbe8-1454-449a-80c0-b0bddb5ca156/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7abbe8-1454-449a-80c0-b0bddb5ca156/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lifts.2.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7abbe8-1454-449a-80c0-b0bddb5ca156/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7abbe8-1454-449a-80c0-b0bddb5ca156/bin/ukojak-verify-EEHR8qb7sm --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 69f5f6ce2268f08e081b80a4a942b775ec30f750a401603311ad796f93305c9b --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:54:25,709 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:54:25,810 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7abbe8-1454-449a-80c0-b0bddb5ca156/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-11-13 22:54:25,819 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 22:54:25,819 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 22:54:25,857 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:54:25,858 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:54:25,859 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:54:25,859 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:54:25,860 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:54:25,860 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:54:25,861 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:54:25,861 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 22:54:25,861 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:54:25,861 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:54:25,861 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:54:25,861 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:54:25,861 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:54:25,862 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:54:25,862 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:54:25,863 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:54:25,863 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:54:25,863 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:54:25,863 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:54:25,863 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:54:25,863 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:54:25,863 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:54:25,863 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:54:25,864 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 22:54:25,864 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 22:54:25,864 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_7b7abbe8-1454-449a-80c0-b0bddb5ca156/bin/ukojak-verify-EEHR8qb7sm 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 -> 69f5f6ce2268f08e081b80a4a942b775ec30f750a401603311ad796f93305c9b [2024-11-13 22:54:26,267 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:54:26,276 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:54:26,282 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:54:26,283 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:54:26,284 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:54:26,285 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7abbe8-1454-449a-80c0-b0bddb5ca156/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lifts.2.prop1-back-serstep.c Unable to find full path for "g++" [2024-11-13 22:54:28,148 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:54:28,824 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:54:28,825 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7abbe8-1454-449a-80c0-b0bddb5ca156/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lifts.2.prop1-back-serstep.c [2024-11-13 22:54:28,867 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7abbe8-1454-449a-80c0-b0bddb5ca156/bin/ukojak-verify-EEHR8qb7sm/data/d586c6f60/5580c713722f4bacba28198f1734892d/FLAGcc911df60 [2024-11-13 22:54:29,229 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7abbe8-1454-449a-80c0-b0bddb5ca156/bin/ukojak-verify-EEHR8qb7sm/data/d586c6f60/5580c713722f4bacba28198f1734892d [2024-11-13 22:54:29,231 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:54:29,233 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:54:29,234 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:54:29,234 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:54:29,239 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:54:29,240 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:54:29" (1/1) ... [2024-11-13 22:54:29,241 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64e444c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:54:29, skipping insertion in model container [2024-11-13 22:54:29,241 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:54:29" (1/1) ... [2024-11-13 22:54:29,383 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:54:29,764 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_7b7abbe8-1454-449a-80c0-b0bddb5ca156/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lifts.2.prop1-back-serstep.c[1173,1186] [2024-11-13 22:54:30,931 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:54:30,942 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:54:30,954 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_7b7abbe8-1454-449a-80c0-b0bddb5ca156/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lifts.2.prop1-back-serstep.c[1173,1186] [2024-11-13 22:54:31,801 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:54:31,815 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:54:31,816 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:54:31 WrapperNode [2024-11-13 22:54:31,817 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:54:31,818 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:54:31,818 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:54:31,818 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:54:31,827 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:54:31" (1/1) ... [2024-11-13 22:54:32,087 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:54:31" (1/1) ... [2024-11-13 22:54:34,903 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 31666 [2024-11-13 22:54:34,904 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:54:34,904 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:54:34,904 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:54:34,905 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:54:34,911 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:54:31" (1/1) ... [2024-11-13 22:54:34,912 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:54:31" (1/1) ... [2024-11-13 22:54:35,737 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:54:31" (1/1) ... [2024-11-13 22:54:35,737 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:54:31" (1/1) ... [2024-11-13 22:54:36,591 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:54:31" (1/1) ... [2024-11-13 22:54:36,718 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:54:31" (1/1) ... [2024-11-13 22:54:37,085 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:54:31" (1/1) ... [2024-11-13 22:54:37,533 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:54:31" (1/1) ... [2024-11-13 22:54:37,950 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:54:37,951 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:54:37,951 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:54:37,951 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:54:37,953 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:54:31" (1/1) ... [2024-11-13 22:54:37,959 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:54:37,975 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7abbe8-1454-449a-80c0-b0bddb5ca156/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:54:37,994 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7abbe8-1454-449a-80c0-b0bddb5ca156/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:54:38,000 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b7abbe8-1454-449a-80c0-b0bddb5ca156/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:54:38,029 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:54:38,029 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 22:54:38,029 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:54:38,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:54:39,893 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:54:39,895 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:56:40,759 INFO L? ?]: Removed 17343 outVars from TransFormulas that were not future-live. [2024-11-13 22:56:40,759 INFO L287 CfgBuilder]: Performing block encoding