./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.3.prop3-func-interl.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc 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_533fc3da-9778-437d-8b46-4816a41dbc80/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_533fc3da-9778-437d-8b46-4816a41dbc80/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_533fc3da-9778-437d-8b46-4816a41dbc80/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_533fc3da-9778-437d-8b46-4816a41dbc80/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.3.prop3-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_533fc3da-9778-437d-8b46-4816a41dbc80/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_533fc3da-9778-437d-8b46-4816a41dbc80/bin/ukojak-verify-Qdu7aM0XO9 --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 35ce0f26eb7d39b301b56213df03e324c38efa88e7ac4e3225823723246a9561 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 02:03:41,579 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 02:03:41,646 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_533fc3da-9778-437d-8b46-4816a41dbc80/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Default.epf [2023-12-03 02:03:41,651 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 02:03:41,652 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 02:03:41,676 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 02:03:41,677 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 02:03:41,677 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 02:03:41,678 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 02:03:41,678 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 02:03:41,679 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 02:03:41,680 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 02:03:41,680 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 02:03:41,681 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 02:03:41,681 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 02:03:41,682 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 02:03:41,682 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 02:03:41,682 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 02:03:41,683 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 02:03:41,683 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 02:03:41,684 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 02:03:41,688 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 02:03:41,689 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 02:03:41,689 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:03:41,690 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 02:03:41,690 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 02:03:41,690 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 02:03:41,691 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 02:03:41,691 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 02:03:41,692 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 02:03:41,692 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_533fc3da-9778-437d-8b46-4816a41dbc80/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_533fc3da-9778-437d-8b46-4816a41dbc80/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 35ce0f26eb7d39b301b56213df03e324c38efa88e7ac4e3225823723246a9561 [2023-12-03 02:03:41,902 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 02:03:41,923 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 02:03:41,926 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 02:03:41,927 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 02:03:41,928 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 02:03:41,929 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_533fc3da-9778-437d-8b46-4816a41dbc80/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.3.prop3-func-interl.c [2023-12-03 02:03:44,688 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 02:03:45,021 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 02:03:45,022 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_533fc3da-9778-437d-8b46-4816a41dbc80/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.3.prop3-func-interl.c [2023-12-03 02:03:45,041 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_533fc3da-9778-437d-8b46-4816a41dbc80/bin/ukojak-verify-Qdu7aM0XO9/data/e94e52f4b/26856598163b4abc8a20c2da111d985d/FLAG1b4b18d59 [2023-12-03 02:03:45,057 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_533fc3da-9778-437d-8b46-4816a41dbc80/bin/ukojak-verify-Qdu7aM0XO9/data/e94e52f4b/26856598163b4abc8a20c2da111d985d [2023-12-03 02:03:45,060 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 02:03:45,061 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 02:03:45,063 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 02:03:45,063 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 02:03:45,068 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 02:03:45,069 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:03:45" (1/1) ... [2023-12-03 02:03:45,070 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72b5dc59 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:03:45, skipping insertion in model container [2023-12-03 02:03:45,070 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:03:45" (1/1) ... [2023-12-03 02:03:45,183 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 02:03:45,448 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_533fc3da-9778-437d-8b46-4816a41dbc80/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.3.prop3-func-interl.c[1174,1187] [2023-12-03 02:03:46,132 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:03:46,143 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 02:03:46,154 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_533fc3da-9778-437d-8b46-4816a41dbc80/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.3.prop3-func-interl.c[1174,1187] [2023-12-03 02:03:46,641 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:03:46,655 INFO L206 MainTranslator]: Completed translation [2023-12-03 02:03:46,656 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:03:46 WrapperNode [2023-12-03 02:03:46,656 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 02:03:46,657 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 02:03:46,657 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 02:03:46,657 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 02:03:46,665 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:03:46" (1/1) ... [2023-12-03 02:03:46,784 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:03:46" (1/1) ... [2023-12-03 02:03:48,464 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 24229 [2023-12-03 02:03:48,465 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 02:03:48,465 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 02:03:48,465 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 02:03:48,466 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 02:03:48,474 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:03:46" (1/1) ... [2023-12-03 02:03:48,474 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:03:46" (1/1) ... [2023-12-03 02:03:48,821 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:03:46" (1/1) ... [2023-12-03 02:03:48,821 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:03:46" (1/1) ... [2023-12-03 02:03:49,292 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:03:46" (1/1) ... [2023-12-03 02:03:49,527 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:03:46" (1/1) ... [2023-12-03 02:03:49,660 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:03:46" (1/1) ... [2023-12-03 02:03:49,745 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:03:46" (1/1) ... [2023-12-03 02:03:50,061 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 02:03:50,062 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 02:03:50,062 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 02:03:50,062 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 02:03:50,063 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:03:46" (1/1) ... [2023-12-03 02:03:50,069 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:03:50,080 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_533fc3da-9778-437d-8b46-4816a41dbc80/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 02:03:50,092 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_533fc3da-9778-437d-8b46-4816a41dbc80/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 02:03:50,094 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_533fc3da-9778-437d-8b46-4816a41dbc80/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 02:03:50,123 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 02:03:50,123 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 02:03:50,123 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 02:03:50,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 02:03:51,109 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 02:03:51,111 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 02:04:03,828 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 02:04:48,308 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 02:04:48,308 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-03 02:04:48,310 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:04:48 BoogieIcfgContainer [2023-12-03 02:04:48,310 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 02:04:48,311 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 02:04:48,311 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 02:04:48,318 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 02:04:48,318 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:04:48" (1/1) ... [2023-12-03 02:04:48,326 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 02:04:48,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:04:48,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-12-03 02:04:48,366 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-12-03 02:04:48,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-03 02:04:48,368 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:04:48,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:04:49,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:04:52,839 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:05:04,119 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 11.24s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-12-03 02:05:14,222 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-12-03 02:05:17,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:05:17,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2023-12-03 02:05:17,115 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2023-12-03 02:05:17,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 02:05:17,115 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:05:17,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:05:30,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-12-03 02:05:31,018 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:488) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-12-03 02:05:31,022 INFO L158 Benchmark]: Toolchain (without parser) took 105959.93ms. Allocated memory was 142.6MB in the beginning and 8.5GB in the end (delta: 8.4GB). Free memory was 83.5MB in the beginning and 7.1GB in the end (delta: -7.0GB). Peak memory consumption was 1.6GB. Max. memory is 16.1GB. [2023-12-03 02:05:31,022 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 113.2MB. Free memory is still 66.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 02:05:31,023 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1593.53ms. Allocated memory was 142.6MB in the beginning and 230.7MB in the end (delta: 88.1MB). Free memory was 83.5MB in the beginning and 99.9MB in the end (delta: -16.4MB). Peak memory consumption was 106.8MB. Max. memory is 16.1GB. [2023-12-03 02:05:31,024 INFO L158 Benchmark]: Boogie Procedure Inliner took 1807.82ms. Allocated memory was 230.7MB in the beginning and 757.1MB in the end (delta: 526.4MB). Free memory was 99.9MB in the beginning and 369.5MB in the end (delta: -269.6MB). Peak memory consumption was 376.3MB. Max. memory is 16.1GB. [2023-12-03 02:05:31,025 INFO L158 Benchmark]: Boogie Preprocessor took 1595.62ms. Allocated memory was 757.1MB in the beginning and 2.1GB in the end (delta: 1.3GB). Free memory was 369.5MB in the beginning and 1.6GB in the end (delta: -1.2GB). Peak memory consumption was 171.0MB. Max. memory is 16.1GB. [2023-12-03 02:05:31,026 INFO L158 Benchmark]: RCFGBuilder took 58248.02ms. Allocated memory was 2.1GB in the beginning and 7.7GB in the end (delta: 5.6GB). Free memory was 1.6GB in the beginning and 6.0GB in the end (delta: -4.4GB). Peak memory consumption was 3.5GB. Max. memory is 16.1GB. [2023-12-03 02:05:31,027 INFO L158 Benchmark]: CodeCheck took 42710.04ms. Allocated memory was 7.7GB in the beginning and 8.5GB in the end (delta: 782.2MB). Free memory was 6.0GB in the beginning and 7.1GB in the end (delta: -1.1GB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 02:05:31,032 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:488) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 113.2MB. Free memory is still 66.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1593.53ms. Allocated memory was 142.6MB in the beginning and 230.7MB in the end (delta: 88.1MB). Free memory was 83.5MB in the beginning and 99.9MB in the end (delta: -16.4MB). Peak memory consumption was 106.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 1807.82ms. Allocated memory was 230.7MB in the beginning and 757.1MB in the end (delta: 526.4MB). Free memory was 99.9MB in the beginning and 369.5MB in the end (delta: -269.6MB). Peak memory consumption was 376.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 1595.62ms. Allocated memory was 757.1MB in the beginning and 2.1GB in the end (delta: 1.3GB). Free memory was 369.5MB in the beginning and 1.6GB in the end (delta: -1.2GB). Peak memory consumption was 171.0MB. Max. memory is 16.1GB. * RCFGBuilder took 58248.02ms. Allocated memory was 2.1GB in the beginning and 7.7GB in the end (delta: 5.6GB). Free memory was 1.6GB in the beginning and 6.0GB in the end (delta: -4.4GB). Peak memory consumption was 3.5GB. Max. memory is 16.1GB. * CodeCheck took 42710.04ms. Allocated memory was 7.7GB in the beginning and 8.5GB in the end (delta: 782.2MB). Free memory was 6.0GB in the beginning and 7.1GB in the end (delta: -1.1GB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-03 02:05:31,248 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_533fc3da-9778-437d-8b46-4816a41dbc80/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process [2023-12-03 02:05:31,280 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_533fc3da-9778-437d-8b46-4816a41dbc80/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 137 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### 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_533fc3da-9778-437d-8b46-4816a41dbc80/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_533fc3da-9778-437d-8b46-4816a41dbc80/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_533fc3da-9778-437d-8b46-4816a41dbc80/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_533fc3da-9778-437d-8b46-4816a41dbc80/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.3.prop3-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_533fc3da-9778-437d-8b46-4816a41dbc80/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_533fc3da-9778-437d-8b46-4816a41dbc80/bin/ukojak-verify-Qdu7aM0XO9 --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 35ce0f26eb7d39b301b56213df03e324c38efa88e7ac4e3225823723246a9561 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 02:05:33,370 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 02:05:33,453 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_533fc3da-9778-437d-8b46-4816a41dbc80/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2023-12-03 02:05:33,485 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 02:05:33,486 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 02:05:33,486 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 02:05:33,487 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 02:05:33,487 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 02:05:33,488 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 02:05:33,488 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 02:05:33,489 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 02:05:33,490 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 02:05:33,490 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 02:05:33,491 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 02:05:33,491 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 02:05:33,492 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 02:05:33,492 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 02:05:33,493 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 02:05:33,493 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 02:05:33,494 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 02:05:33,494 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 02:05:33,496 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 02:05:33,497 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 02:05:33,497 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 02:05:33,498 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 02:05:33,499 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:05:33,499 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 02:05:33,500 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 02:05:33,500 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 02:05:33,501 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 02:05:33,501 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 02:05:33,502 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 02:05:33,502 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 02:05:33,503 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 02:05:33,503 INFO L153 SettingsManager]: * Logic for external solver=AUFBV 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_533fc3da-9778-437d-8b46-4816a41dbc80/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_533fc3da-9778-437d-8b46-4816a41dbc80/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 35ce0f26eb7d39b301b56213df03e324c38efa88e7ac4e3225823723246a9561 [2023-12-03 02:05:33,803 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 02:05:33,824 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 02:05:33,827 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 02:05:33,828 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 02:05:33,828 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 02:05:33,829 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_533fc3da-9778-437d-8b46-4816a41dbc80/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.3.prop3-func-interl.c [2023-12-03 02:05:36,641 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 02:05:37,006 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 02:05:37,007 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_533fc3da-9778-437d-8b46-4816a41dbc80/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.3.prop3-func-interl.c [2023-12-03 02:05:37,033 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_533fc3da-9778-437d-8b46-4816a41dbc80/bin/ukojak-verify-Qdu7aM0XO9/data/b8ef05612/af8da45e425642f8a7546073272164c3/FLAG7579ecba6 [2023-12-03 02:05:37,047 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_533fc3da-9778-437d-8b46-4816a41dbc80/bin/ukojak-verify-Qdu7aM0XO9/data/b8ef05612/af8da45e425642f8a7546073272164c3 [2023-12-03 02:05:37,049 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 02:05:37,051 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 02:05:37,052 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 02:05:37,052 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 02:05:37,056 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 02:05:37,056 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:05:37" (1/1) ... [2023-12-03 02:05:37,058 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8afe504 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:05:37, skipping insertion in model container [2023-12-03 02:05:37,058 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:05:37" (1/1) ... [2023-12-03 02:05:37,191 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 02:05:37,446 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_533fc3da-9778-437d-8b46-4816a41dbc80/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.3.prop3-func-interl.c[1174,1187] [2023-12-03 02:05:37,957 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:05:37,970 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 02:05:37,982 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_533fc3da-9778-437d-8b46-4816a41dbc80/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.3.prop3-func-interl.c[1174,1187] [2023-12-03 02:05:38,306 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:05:38,321 INFO L206 MainTranslator]: Completed translation [2023-12-03 02:05:38,321 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:05:38 WrapperNode [2023-12-03 02:05:38,321 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 02:05:38,322 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 02:05:38,322 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 02:05:38,323 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 02:05:38,330 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:05:38" (1/1) ... [2023-12-03 02:05:38,412 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:05:38" (1/1) ... [2023-12-03 02:05:38,597 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 5573 [2023-12-03 02:05:38,597 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 02:05:38,598 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 02:05:38,598 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 02:05:38,598 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 02:05:38,608 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:05:38" (1/1) ... [2023-12-03 02:05:38,608 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:05:38" (1/1) ... [2023-12-03 02:05:38,640 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:05:38" (1/1) ... [2023-12-03 02:05:38,640 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:05:38" (1/1) ... [2023-12-03 02:05:38,721 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:05:38" (1/1) ... [2023-12-03 02:05:38,734 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:05:38" (1/1) ... [2023-12-03 02:05:38,751 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:05:38" (1/1) ... [2023-12-03 02:05:38,794 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:05:38" (1/1) ... [2023-12-03 02:05:38,820 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 02:05:38,821 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 02:05:38,821 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 02:05:38,821 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 02:05:38,822 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:05:38" (1/1) ... [2023-12-03 02:05:38,826 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:05:38,837 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_533fc3da-9778-437d-8b46-4816a41dbc80/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 02:05:38,848 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_533fc3da-9778-437d-8b46-4816a41dbc80/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 02:05:38,853 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_533fc3da-9778-437d-8b46-4816a41dbc80/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 02:05:38,890 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 02:05:38,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 02:05:38,891 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 02:05:38,891 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 02:05:39,699 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 02:05:39,701 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 02:06:01,885 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 02:06:02,273 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 02:06:02,273 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-03 02:06:02,275 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:06:02 BoogieIcfgContainer [2023-12-03 02:06:02,275 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 02:06:02,276 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 02:06:02,276 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 02:06:02,287 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 02:06:02,287 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:06:02" (1/1) ... [2023-12-03 02:06:02,297 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 02:06:02,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:06:02,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-12-03 02:06:02,359 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-12-03 02:06:02,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-03 02:06:02,361 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:06:02,362 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:06:02,362 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_533fc3da-9778-437d-8b46-4816a41dbc80/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:06:02,364 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_533fc3da-9778-437d-8b46-4816a41dbc80/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:06:02,366 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_533fc3da-9778-437d-8b46-4816a41dbc80/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-03 02:06:03,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:06:03,861 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:06:04,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:06:04,296 INFO L262 TraceCheckSpWp]: Trace formula consists of 294 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 02:06:04,321 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:06:04,574 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:06:04,601 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_533fc3da-9778-437d-8b46-4816a41dbc80/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-03 02:06:15,390 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.69s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 02:06:24,777 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 9.38s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 02:06:25,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:06:25,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2023-12-03 02:06:25,177 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2023-12-03 02:06:25,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 02:06:25,178 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:06:25,178 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:06:25,178 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_533fc3da-9778-437d-8b46-4816a41dbc80/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:06:25,180 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_533fc3da-9778-437d-8b46-4816a41dbc80/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:06:25,201 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_533fc3da-9778-437d-8b46-4816a41dbc80/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-03 02:06:31,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:06:31,376 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:06:33,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:06:33,412 INFO L262 TraceCheckSpWp]: Trace formula consists of 4604 conjuncts, 246 conjunts are in the unsatisfiable core [2023-12-03 02:06:33,458 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:07:11,849 WARN L293 SmtUtils]: Spent 18.29s on a formula simplification. DAG size of input: 1424 DAG size of output: 835 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 02:07:12,265 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:07:12,324 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_533fc3da-9778-437d-8b46-4816a41dbc80/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-03 02:07:22,432 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 7.84s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 02:07:31,508 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 7.56s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 02:07:50,322 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.66s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 02:07:52,024 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.70s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 02:08:04,575 WARN L293 SmtUtils]: Spent 7.15s on a formula simplification. DAG size of input: 837 DAG size of output: 530 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 02:08:25,808 WARN L293 SmtUtils]: Spent 6.25s on a formula simplification that was a NOOP. DAG size: 836 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 02:08:40,313 WARN L293 SmtUtils]: Spent 9.72s on a formula simplification. DAG size of input: 839 DAG size of output: 533 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 02:08:59,643 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 9.16s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 02:09:23,715 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 02:09:26,405 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.76s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 02:09:27,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:09:27,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 12 states and 19 transitions. [2023-12-03 02:09:27,822 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 19 transitions. [2023-12-03 02:09:27,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 02:09:27,823 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:09:27,824 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:09:27,824 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_533fc3da-9778-437d-8b46-4816a41dbc80/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:09:27,825 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_533fc3da-9778-437d-8b46-4816a41dbc80/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:09:27,826 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_533fc3da-9778-437d-8b46-4816a41dbc80/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-03 02:09:37,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:09:37,775 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:09:40,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:09:41,301 INFO L262 TraceCheckSpWp]: Trace formula consists of 8914 conjuncts, 510 conjunts are in the unsatisfiable core [2023-12-03 02:09:41,347 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:14:04,577 WARN L293 SmtUtils]: Spent 3.36m on a formula simplification. DAG size of input: 1491 DAG size of output: 1215 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 02:16:16,128 WARN L293 SmtUtils]: Spent 1.57m on a formula simplification that was a NOOP. DAG size: 1229 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)