./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/combinations/gcd_2+newton_3_8.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff 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_151d174d-88a8-4610-ba8c-f07cb1cc7d43/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_151d174d-88a8-4610-ba8c-f07cb1cc7d43/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_151d174d-88a8-4610-ba8c-f07cb1cc7d43/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_151d174d-88a8-4610-ba8c-f07cb1cc7d43/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/gcd_2+newton_3_8.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_151d174d-88a8-4610-ba8c-f07cb1cc7d43/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_151d174d-88a8-4610-ba8c-f07cb1cc7d43/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 32bit --witnessprinter.graph.data.programhash 8f745b16f6c25c5a9ff69a5e07a8fa4db5c31a6fdae6ec4e6a2aab4d04fe5214 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:05:04,333 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:05:04,408 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_151d174d-88a8-4610-ba8c-f07cb1cc7d43/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 03:05:04,414 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:05:04,414 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:05:04,439 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:05:04,440 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:05:04,441 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:05:04,442 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:05:04,442 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:05:04,443 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:05:04,443 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:05:04,444 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:05:04,444 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:05:04,445 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:05:04,445 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:05:04,446 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:05:04,446 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:05:04,447 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:05:04,447 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:05:04,447 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:05:04,448 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:05:04,449 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:05:04,449 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:05:04,450 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:05:04,450 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:05:04,451 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:05:04,451 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:05:04,451 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:05:04,452 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:05:04,452 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:05:04,453 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:05:04,453 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:05:04,454 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_151d174d-88a8-4610-ba8c-f07cb1cc7d43/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_151d174d-88a8-4610-ba8c-f07cb1cc7d43/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8f745b16f6c25c5a9ff69a5e07a8fa4db5c31a6fdae6ec4e6a2aab4d04fe5214 [2023-11-19 03:05:04,696 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:05:04,721 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:05:04,724 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:05:04,726 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:05:04,726 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:05:04,728 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_151d174d-88a8-4610-ba8c-f07cb1cc7d43/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/combinations/gcd_2+newton_3_8.i [2023-11-19 03:05:07,861 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:05:08,091 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:05:08,093 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_151d174d-88a8-4610-ba8c-f07cb1cc7d43/sv-benchmarks/c/combinations/gcd_2+newton_3_8.i [2023-11-19 03:05:08,104 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_151d174d-88a8-4610-ba8c-f07cb1cc7d43/bin/ukojak-verify-G8NBE6pJGL/data/9cb7ce7c4/0ec6f06dd85d4cdcb80d1096b71f59a7/FLAG89089a11c [2023-11-19 03:05:08,125 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_151d174d-88a8-4610-ba8c-f07cb1cc7d43/bin/ukojak-verify-G8NBE6pJGL/data/9cb7ce7c4/0ec6f06dd85d4cdcb80d1096b71f59a7 [2023-11-19 03:05:08,132 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:05:08,136 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:05:08,137 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:05:08,137 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:05:08,142 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:05:08,145 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:05:08" (1/1) ... [2023-11-19 03:05:08,147 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c176b60 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:05:08, skipping insertion in model container [2023-11-19 03:05:08,148 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:05:08" (1/1) ... [2023-11-19 03:05:08,184 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:05:08,351 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_151d174d-88a8-4610-ba8c-f07cb1cc7d43/sv-benchmarks/c/combinations/gcd_2+newton_3_8.i[1226,1239] [2023-11-19 03:05:08,379 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_151d174d-88a8-4610-ba8c-f07cb1cc7d43/sv-benchmarks/c/combinations/gcd_2+newton_3_8.i[2862,2875] [2023-11-19 03:05:08,380 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:05:08,405 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:05:08,429 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_151d174d-88a8-4610-ba8c-f07cb1cc7d43/sv-benchmarks/c/combinations/gcd_2+newton_3_8.i[1226,1239] [2023-11-19 03:05:08,445 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_151d174d-88a8-4610-ba8c-f07cb1cc7d43/sv-benchmarks/c/combinations/gcd_2+newton_3_8.i[2862,2875] [2023-11-19 03:05:08,456 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:05:08,474 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:05:08,475 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:05:08 WrapperNode [2023-11-19 03:05:08,475 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:05:08,476 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:05:08,477 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:05:08,477 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:05:08,485 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:05:08" (1/1) ... [2023-11-19 03:05:08,505 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:05:08" (1/1) ... [2023-11-19 03:05:08,538 INFO L138 Inliner]: procedures = 27, calls = 26, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 93 [2023-11-19 03:05:08,538 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:05:08,539 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:05:08,540 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:05:08,540 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:05:08,548 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:05:08" (1/1) ... [2023-11-19 03:05:08,549 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:05:08" (1/1) ... [2023-11-19 03:05:08,551 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:05:08" (1/1) ... [2023-11-19 03:05:08,551 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:05:08" (1/1) ... [2023-11-19 03:05:08,563 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:05:08" (1/1) ... [2023-11-19 03:05:08,566 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:05:08" (1/1) ... [2023-11-19 03:05:08,568 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:05:08" (1/1) ... [2023-11-19 03:05:08,570 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:05:08" (1/1) ... [2023-11-19 03:05:08,572 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:05:08,573 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:05:08,573 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:05:08,573 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:05:08,574 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:05:08" (1/1) ... [2023-11-19 03:05:08,588 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:05:08,605 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_151d174d-88a8-4610-ba8c-f07cb1cc7d43/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:05:08,617 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_151d174d-88a8-4610-ba8c-f07cb1cc7d43/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:05:08,629 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_151d174d-88a8-4610-ba8c-f07cb1cc7d43/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:05:08,654 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:05:08,655 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2023-11-19 03:05:08,655 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2023-11-19 03:05:08,656 INFO L130 BoogieDeclarations]: Found specification of procedure f [2023-11-19 03:05:08,656 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2023-11-19 03:05:08,656 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:05:08,657 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:05:08,657 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:05:08,729 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:05:08,732 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:05:08,937 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:05:09,016 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:05:09,016 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 03:05:09,021 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:05:09 BoogieIcfgContainer [2023-11-19 03:05:09,021 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:05:09,022 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:05:09,022 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:05:09,033 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:05:09,033 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:05:09" (1/1) ... [2023-11-19 03:05:09,042 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:05:09,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:05:09,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 28 states and 36 transitions. [2023-11-19 03:05:09,103 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 36 transitions. [2023-11-19 03:05:09,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 03:05:09,107 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:05:09,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:05:09,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:05:09,537 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:05:09,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:05:09,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 30 states and 37 transitions. [2023-11-19 03:05:09,600 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 37 transitions. [2023-11-19 03:05:09,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 03:05:09,601 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:05:09,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:05:09,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:05:09,684 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 03:05:09,689 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:05:10,144 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:05:10,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:05:10,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 34 states and 45 transitions. [2023-11-19 03:05:10,758 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 45 transitions. [2023-11-19 03:05:10,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 03:05:10,759 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:05:10,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:05:10,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:05:10,807 INFO L262 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 26 conjunts are in the unsatisfiable core [2023-11-19 03:05:10,809 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:05:23,901 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_151d174d-88a8-4610-ba8c-f07cb1cc7d43/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 101 [2023-11-19 03:05:23,901 WARN L249 Executor]: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_151d174d-88a8-4610-ba8c-f07cb1cc7d43/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1) with exit command (exit)) stderr output: (error "out of memory") [2023-11-19 03:05:23,903 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.AssertionError: No Interpolants at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheck.getInterpolants(InterpolatingTraceCheck.java:150) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:470) 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) [2023-11-19 03:05:23,907 INFO L158 Benchmark]: Toolchain (without parser) took 15770.64ms. Allocated memory was 186.6MB in the beginning and 224.4MB in the end (delta: 37.7MB). Free memory was 143.6MB in the beginning and 92.1MB in the end (delta: 51.5MB). Peak memory consumption was 92.2MB. Max. memory is 16.1GB. [2023-11-19 03:05:23,908 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 121.6MB. Free memory is still 65.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:05:23,908 INFO L158 Benchmark]: CACSL2BoogieTranslator took 338.49ms. Allocated memory is still 186.6MB. Free memory was 143.0MB in the beginning and 131.6MB in the end (delta: 11.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 03:05:23,909 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.23ms. Allocated memory is still 186.6MB. Free memory was 131.6MB in the beginning and 129.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:05:23,910 INFO L158 Benchmark]: Boogie Preprocessor took 32.79ms. Allocated memory is still 186.6MB. Free memory was 129.6MB in the beginning and 128.3MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:05:23,911 INFO L158 Benchmark]: RCFGBuilder took 448.11ms. Allocated memory is still 186.6MB. Free memory was 128.3MB in the beginning and 111.6MB in the end (delta: 16.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-19 03:05:23,911 INFO L158 Benchmark]: CodeCheck took 14883.81ms. Allocated memory was 186.6MB in the beginning and 224.4MB in the end (delta: 37.7MB). Free memory was 111.6MB in the beginning and 92.1MB in the end (delta: 19.5MB). Peak memory consumption was 60.7MB. Max. memory is 16.1GB. [2023-11-19 03:05:23,918 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: AssertionError: No Interpolants de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: AssertionError: No Interpolants: de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheck.getInterpolants(InterpolatingTraceCheck.java:150) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 121.6MB. Free memory is still 65.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 338.49ms. Allocated memory is still 186.6MB. Free memory was 143.0MB in the beginning and 131.6MB in the end (delta: 11.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 62.23ms. Allocated memory is still 186.6MB. Free memory was 131.6MB in the beginning and 129.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.79ms. Allocated memory is still 186.6MB. Free memory was 129.6MB in the beginning and 128.3MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 448.11ms. Allocated memory is still 186.6MB. Free memory was 128.3MB in the beginning and 111.6MB in the end (delta: 16.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 14883.81ms. Allocated memory was 186.6MB in the beginning and 224.4MB in the end (delta: 37.7MB). Free memory was 111.6MB in the beginning and 92.1MB in the end (delta: 19.5MB). Peak memory consumption was 60.7MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. 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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_151d174d-88a8-4610-ba8c-f07cb1cc7d43/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_151d174d-88a8-4610-ba8c-f07cb1cc7d43/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_151d174d-88a8-4610-ba8c-f07cb1cc7d43/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_151d174d-88a8-4610-ba8c-f07cb1cc7d43/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/gcd_2+newton_3_8.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_151d174d-88a8-4610-ba8c-f07cb1cc7d43/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_151d174d-88a8-4610-ba8c-f07cb1cc7d43/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 32bit --witnessprinter.graph.data.programhash 8f745b16f6c25c5a9ff69a5e07a8fa4db5c31a6fdae6ec4e6a2aab4d04fe5214 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:05:26,739 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:05:26,879 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_151d174d-88a8-4610-ba8c-f07cb1cc7d43/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-11-19 03:05:26,932 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:05:26,933 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:05:26,934 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:05:26,935 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:05:26,935 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:05:26,937 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:05:26,941 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:05:26,942 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:05:26,943 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:05:26,943 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:05:26,945 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:05:26,945 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:05:26,946 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:05:26,946 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 03:05:26,946 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 03:05:26,947 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 03:05:26,948 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:05:26,948 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:05:26,949 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:05:26,950 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:05:26,950 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:05:26,950 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:05:26,951 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:05:26,951 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 03:05:26,952 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:05:26,952 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:05:26,952 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:05:26,954 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:05:26,954 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:05:26,954 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 03:05:26,955 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:05:26,955 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:05:26,955 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 03:05:26,955 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 03:05:26,956 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_151d174d-88a8-4610-ba8c-f07cb1cc7d43/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_151d174d-88a8-4610-ba8c-f07cb1cc7d43/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8f745b16f6c25c5a9ff69a5e07a8fa4db5c31a6fdae6ec4e6a2aab4d04fe5214 [2023-11-19 03:05:27,408 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:05:27,434 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:05:27,438 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:05:27,439 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:05:27,440 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:05:27,442 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_151d174d-88a8-4610-ba8c-f07cb1cc7d43/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/combinations/gcd_2+newton_3_8.i [2023-11-19 03:05:30,802 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:05:31,187 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:05:31,192 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_151d174d-88a8-4610-ba8c-f07cb1cc7d43/sv-benchmarks/c/combinations/gcd_2+newton_3_8.i [2023-11-19 03:05:31,208 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_151d174d-88a8-4610-ba8c-f07cb1cc7d43/bin/ukojak-verify-G8NBE6pJGL/data/18fbd4cc1/a81b642a4ff84142b9648d62a5eddd69/FLAGf8f7ed606 [2023-11-19 03:05:31,227 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_151d174d-88a8-4610-ba8c-f07cb1cc7d43/bin/ukojak-verify-G8NBE6pJGL/data/18fbd4cc1/a81b642a4ff84142b9648d62a5eddd69 [2023-11-19 03:05:31,230 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:05:31,232 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:05:31,234 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:05:31,234 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:05:31,240 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:05:31,241 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:05:31" (1/1) ... [2023-11-19 03:05:31,242 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a2aa8c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:05:31, skipping insertion in model container [2023-11-19 03:05:31,243 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:05:31" (1/1) ... [2023-11-19 03:05:31,274 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:05:31,498 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_151d174d-88a8-4610-ba8c-f07cb1cc7d43/sv-benchmarks/c/combinations/gcd_2+newton_3_8.i[1226,1239] [2023-11-19 03:05:31,533 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_151d174d-88a8-4610-ba8c-f07cb1cc7d43/sv-benchmarks/c/combinations/gcd_2+newton_3_8.i[2862,2875] [2023-11-19 03:05:31,535 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:05:31,553 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:05:31,572 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_151d174d-88a8-4610-ba8c-f07cb1cc7d43/sv-benchmarks/c/combinations/gcd_2+newton_3_8.i[1226,1239] [2023-11-19 03:05:31,589 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_151d174d-88a8-4610-ba8c-f07cb1cc7d43/sv-benchmarks/c/combinations/gcd_2+newton_3_8.i[2862,2875] [2023-11-19 03:05:31,591 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:05:31,614 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:05:31,614 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:05:31 WrapperNode [2023-11-19 03:05:31,615 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:05:31,616 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:05:31,617 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:05:31,617 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:05:31,626 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:05:31" (1/1) ... [2023-11-19 03:05:31,642 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:05:31" (1/1) ... [2023-11-19 03:05:31,675 INFO L138 Inliner]: procedures = 28, calls = 26, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 88 [2023-11-19 03:05:31,675 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:05:31,676 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:05:31,676 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:05:31,677 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:05:31,689 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:05:31" (1/1) ... [2023-11-19 03:05:31,689 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:05:31" (1/1) ... [2023-11-19 03:05:31,695 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:05:31" (1/1) ... [2023-11-19 03:05:31,696 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:05:31" (1/1) ... [2023-11-19 03:05:31,709 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:05:31" (1/1) ... [2023-11-19 03:05:31,714 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:05:31" (1/1) ... [2023-11-19 03:05:31,717 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:05:31" (1/1) ... [2023-11-19 03:05:31,719 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:05:31" (1/1) ... [2023-11-19 03:05:31,724 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:05:31,725 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:05:31,726 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:05:31,726 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:05:31,727 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:05:31" (1/1) ... [2023-11-19 03:05:31,734 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:05:31,754 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_151d174d-88a8-4610-ba8c-f07cb1cc7d43/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:05:31,768 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_151d174d-88a8-4610-ba8c-f07cb1cc7d43/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:05:31,793 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_151d174d-88a8-4610-ba8c-f07cb1cc7d43/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:05:31,830 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:05:31,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 03:05:31,832 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2023-11-19 03:05:31,832 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2023-11-19 03:05:31,832 INFO L130 BoogieDeclarations]: Found specification of procedure f [2023-11-19 03:05:31,832 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2023-11-19 03:05:31,833 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:05:31,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:05:31,978 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:05:31,981 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:05:59,245 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:05:59,309 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:05:59,309 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 03:05:59,314 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:05:59 BoogieIcfgContainer [2023-11-19 03:05:59,314 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:05:59,315 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:05:59,315 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:05:59,325 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:05:59,326 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:05:59" (1/1) ... [2023-11-19 03:05:59,335 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:05:59,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:05:59,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 28 states and 36 transitions. [2023-11-19 03:05:59,390 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 36 transitions. [2023-11-19 03:05:59,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 03:05:59,395 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:05:59,396 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 03:05:59,396 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_151d174d-88a8-4610-ba8c-f07cb1cc7d43/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 03:05:59,429 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_151d174d-88a8-4610-ba8c-f07cb1cc7d43/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 03:05:59,432 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_151d174d-88a8-4610-ba8c-f07cb1cc7d43/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-19 03:05:59,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:05:59,533 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 03:05:59,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:05:59,564 INFO L262 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:05:59,569 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:06:00,012 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:06:00,022 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_151d174d-88a8-4610-ba8c-f07cb1cc7d43/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-11-19 03:06:00,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:06:00,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 30 states and 39 transitions. [2023-11-19 03:06:00,821 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 39 transitions. [2023-11-19 03:06:00,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 03:06:00,822 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:06:00,822 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 03:06:00,822 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_151d174d-88a8-4610-ba8c-f07cb1cc7d43/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 03:06:00,823 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_151d174d-88a8-4610-ba8c-f07cb1cc7d43/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 03:06:00,833 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_151d174d-88a8-4610-ba8c-f07cb1cc7d43/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-11-19 03:06:01,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:06:01,051 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 03:06:01,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:06:01,092 INFO L262 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-19 03:06:01,094 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:06:02,059 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:06:02,069 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_151d174d-88a8-4610-ba8c-f07cb1cc7d43/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2023-11-19 03:06:05,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:06:05,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 33 states and 46 transitions. [2023-11-19 03:06:05,602 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 46 transitions. [2023-11-19 03:06:05,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 03:06:05,603 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:06:05,603 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 03:06:05,603 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_151d174d-88a8-4610-ba8c-f07cb1cc7d43/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 03:06:05,605 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_151d174d-88a8-4610-ba8c-f07cb1cc7d43/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 03:06:05,606 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_151d174d-88a8-4610-ba8c-f07cb1cc7d43/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-11-19 03:06:06,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:06:06,009 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 03:06:06,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:06:06,094 INFO L262 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-19 03:06:06,095 INFO L285 TraceCheckSpWp]: Computing forward predicates...