./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.plc.1.prop2-back-serstep.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cf1a7837 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_2ba66884-e67b-4b15-a38f-311c1b793c71/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ba66884-e67b-4b15-a38f-311c1b793c71/bin/ukojak-verify-0OAaufAVZV/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ba66884-e67b-4b15-a38f-311c1b793c71/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ba66884-e67b-4b15-a38f-311c1b793c71/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.plc.1.prop2-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ba66884-e67b-4b15-a38f-311c1b793c71/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ba66884-e67b-4b15-a38f-311c1b793c71/bin/ukojak-verify-0OAaufAVZV --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 be1ee13c07d0c6dae9c425adf35a6b5db44ef7084ba274c5ffbe2f5af686fe9e --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-11 23:51:33,914 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:51:34,021 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ba66884-e67b-4b15-a38f-311c1b793c71/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Reach-64bit-Kojak_Default.epf [2023-11-11 23:51:34,033 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-11 23:51:34,033 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-11 23:51:34,074 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:51:34,076 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-11 23:51:34,077 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-11 23:51:34,078 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:51:34,084 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:51:34,085 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:51:34,086 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-11 23:51:34,086 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-11 23:51:34,088 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:51:34,089 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-11 23:51:34,089 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:51:34,090 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-11 23:51:34,090 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-11 23:51:34,091 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:51:34,091 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:51:34,092 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:51:34,094 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:51:34,095 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:51:34,095 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:51:34,096 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:51:34,096 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-11 23:51:34,096 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-11 23:51:34,097 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-11 23:51:34,097 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-11 23:51:34,098 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_2ba66884-e67b-4b15-a38f-311c1b793c71/bin/ukojak-verify-0OAaufAVZV/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ba66884-e67b-4b15-a38f-311c1b793c71/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> be1ee13c07d0c6dae9c425adf35a6b5db44ef7084ba274c5ffbe2f5af686fe9e [2023-11-11 23:51:34,450 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:51:34,492 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:51:34,495 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:51:34,514 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:51:34,515 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:51:34,516 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ba66884-e67b-4b15-a38f-311c1b793c71/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.plc.1.prop2-back-serstep.c [2023-11-11 23:51:37,790 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:51:38,738 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:51:38,739 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ba66884-e67b-4b15-a38f-311c1b793c71/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.plc.1.prop2-back-serstep.c [2023-11-11 23:51:38,828 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ba66884-e67b-4b15-a38f-311c1b793c71/bin/ukojak-verify-0OAaufAVZV/data/4496e31b0/ce543290c66444d0b09befb35b1253af/FLAG462e5a73a [2023-11-11 23:51:38,847 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ba66884-e67b-4b15-a38f-311c1b793c71/bin/ukojak-verify-0OAaufAVZV/data/4496e31b0/ce543290c66444d0b09befb35b1253af [2023-11-11 23:51:38,853 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:51:38,855 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:51:38,879 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:51:38,880 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:51:38,885 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:51:38,886 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:51:38" (1/1) ... [2023-11-11 23:51:38,887 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2cd388e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:51:38, skipping insertion in model container [2023-11-11 23:51:38,888 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:51:38" (1/1) ... [2023-11-11 23:51:39,169 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:51:39,648 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_2ba66884-e67b-4b15-a38f-311c1b793c71/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.plc.1.prop2-back-serstep.c[1171,1184] [2023-11-11 23:51:42,101 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:51:42,125 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:51:42,167 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_2ba66884-e67b-4b15-a38f-311c1b793c71/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.plc.1.prop2-back-serstep.c[1171,1184] [2023-11-11 23:51:43,775 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:51:43,790 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:51:43,790 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:51:43 WrapperNode [2023-11-11 23:51:43,790 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:51:43,792 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:51:43,792 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:51:43,792 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:51:43,800 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:51:43" (1/1) ... [2023-11-11 23:51:44,542 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:51:43" (1/1) ... [2023-11-11 23:51:51,172 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 73674 [2023-11-11 23:51:51,173 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:51:51,174 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:51:51,174 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:51:51,174 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:51:51,185 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:51:43" (1/1) ... [2023-11-11 23:51:51,186 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:51:43" (1/1) ... [2023-11-11 23:51:53,104 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:51:43" (1/1) ... [2023-11-11 23:51:53,105 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:51:43" (1/1) ... [2023-11-11 23:51:55,063 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:51:43" (1/1) ... [2023-11-11 23:51:55,391 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:51:43" (1/1) ... [2023-11-11 23:51:55,640 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:51:43" (1/1) ... [2023-11-11 23:51:55,859 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:51:43" (1/1) ... [2023-11-11 23:51:57,444 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:51:57,448 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:51:57,448 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:51:57,448 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:51:57,449 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:51:43" (1/1) ... [2023-11-11 23:51:57,456 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:51:57,468 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ba66884-e67b-4b15-a38f-311c1b793c71/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:51:57,488 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ba66884-e67b-4b15-a38f-311c1b793c71/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:51:57,509 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ba66884-e67b-4b15-a38f-311c1b793c71/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:51:57,533 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-11 23:51:57,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-11 23:51:57,534 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:51:57,534 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:52:00,603 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:52:00,606 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation