./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp.5.prop1-func-interl.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff 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_24ace561-88f9-461d-a7f2-d6cf271b1bd3/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24ace561-88f9-461d-a7f2-d6cf271b1bd3/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24ace561-88f9-461d-a7f2-d6cf271b1bd3/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24ace561-88f9-461d-a7f2-d6cf271b1bd3/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp.5.prop1-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24ace561-88f9-461d-a7f2-d6cf271b1bd3/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24ace561-88f9-461d-a7f2-d6cf271b1bd3/bin/ukojak-verify-G8NBE6pJGL --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 fba5060e4f56e32b1fab8d0066d7894317a0738ad4b6bec568e5829df591221c --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:02:21,557 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:02:21,743 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24ace561-88f9-461d-a7f2-d6cf271b1bd3/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-64bit-Kojak_Default.epf [2023-11-19 03:02:21,749 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:02:21,752 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:02:21,789 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:02:21,792 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:02:21,793 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:02:21,795 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:02:21,801 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:02:21,802 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:02:21,803 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:02:21,804 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:02:21,809 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:02:21,809 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:02:21,810 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:02:21,811 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:02:21,811 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:02:21,812 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:02:21,812 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:02:21,813 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:02:21,814 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:02:21,815 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:02:21,816 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:02:21,816 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:02:21,817 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:02:21,818 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:02:21,818 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:02:21,819 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:02:21,819 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:02:21,821 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_24ace561-88f9-461d-a7f2-d6cf271b1bd3/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24ace561-88f9-461d-a7f2-d6cf271b1bd3/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fba5060e4f56e32b1fab8d0066d7894317a0738ad4b6bec568e5829df591221c [2023-11-19 03:02:22,220 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:02:22,249 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:02:22,252 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:02:22,254 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:02:22,255 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:02:22,257 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24ace561-88f9-461d-a7f2-d6cf271b1bd3/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp.5.prop1-func-interl.c [2023-11-19 03:02:25,667 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:02:26,176 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:02:26,177 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24ace561-88f9-461d-a7f2-d6cf271b1bd3/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp.5.prop1-func-interl.c [2023-11-19 03:02:26,213 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24ace561-88f9-461d-a7f2-d6cf271b1bd3/bin/ukojak-verify-G8NBE6pJGL/data/f947ec104/c0cf8c03036346a7980dfd2a347187f0/FLAGe862d898e [2023-11-19 03:02:26,274 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24ace561-88f9-461d-a7f2-d6cf271b1bd3/bin/ukojak-verify-G8NBE6pJGL/data/f947ec104/c0cf8c03036346a7980dfd2a347187f0 [2023-11-19 03:02:26,277 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:02:26,279 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:02:26,281 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:02:26,282 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:02:26,289 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:02:26,290 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:02:26" (1/1) ... [2023-11-19 03:02:26,291 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1211e26 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:02:26, skipping insertion in model container [2023-11-19 03:02:26,292 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:02:26" (1/1) ... [2023-11-19 03:02:26,410 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:02:26,748 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_24ace561-88f9-461d-a7f2-d6cf271b1bd3/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp.5.prop1-func-interl.c[1170,1183] [2023-11-19 03:02:27,614 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:02:27,627 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:02:27,641 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_24ace561-88f9-461d-a7f2-d6cf271b1bd3/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp.5.prop1-func-interl.c[1170,1183] [2023-11-19 03:02:27,999 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:02:28,018 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:02:28,018 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:02:28 WrapperNode [2023-11-19 03:02:28,019 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:02:28,020 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:02:28,021 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:02:28,021 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:02:28,031 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:02:28" (1/1) ... [2023-11-19 03:02:28,327 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:02:28" (1/1) ... [2023-11-19 03:02:29,951 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 12108 [2023-11-19 03:02:29,952 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:02:29,953 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:02:29,953 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:02:29,954 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:02:29,966 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:02:28" (1/1) ... [2023-11-19 03:02:29,967 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:02:28" (1/1) ... [2023-11-19 03:02:30,541 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:02:28" (1/1) ... [2023-11-19 03:02:30,542 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:02:28" (1/1) ... [2023-11-19 03:02:31,071 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:02:28" (1/1) ... [2023-11-19 03:02:31,173 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:02:28" (1/1) ... [2023-11-19 03:02:31,253 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:02:28" (1/1) ... [2023-11-19 03:02:31,302 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:02:28" (1/1) ... [2023-11-19 03:02:31,661 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:02:31,663 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:02:31,663 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:02:31,663 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:02:31,664 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:02:28" (1/1) ... [2023-11-19 03:02:31,689 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:02:31,731 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24ace561-88f9-461d-a7f2-d6cf271b1bd3/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:02:31,754 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24ace561-88f9-461d-a7f2-d6cf271b1bd3/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:02:31,779 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24ace561-88f9-461d-a7f2-d6cf271b1bd3/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:02:31,856 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:02:31,857 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:02:31,857 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:02:31,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:02:32,891 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:02:32,894 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:02:42,621 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:03:05,388 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:03:05,389 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 03:03:05,396 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:03:05 BoogieIcfgContainer [2023-11-19 03:03:05,397 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:03:05,399 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:03:05,399 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:03:05,411 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:03:05,412 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:03:05" (1/1) ... [2023-11-19 03:03:05,423 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:03:05,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:03:05,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-11-19 03:03:05,509 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-11-19 03:03:05,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 03:03:05,511 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:03:05,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:03:06,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat