./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/combinations/gcd_3+newton_3_7.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e0299ea-9c28-4d0c-ad1c-5f35320facf2/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e0299ea-9c28-4d0c-ad1c-5f35320facf2/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_1e0299ea-9c28-4d0c-ad1c-5f35320facf2/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e0299ea-9c28-4d0c-ad1c-5f35320facf2/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/gcd_3+newton_3_7.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e0299ea-9c28-4d0c-ad1c-5f35320facf2/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_1e0299ea-9c28-4d0c-ad1c-5f35320facf2/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 f5a5fcfdef398824c80e5dd00ccb13245b1aba31a53b04be2e0e92d8a739e53d --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:59:10,852 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:59:10,977 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e0299ea-9c28-4d0c-ad1c-5f35320facf2/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 02:59:10,986 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 02:59:10,987 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 02:59:11,028 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:59:11,029 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:59:11,030 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:59:11,031 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:59:11,038 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:59:11,039 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:59:11,039 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:59:11,040 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:59:11,042 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 02:59:11,042 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:59:11,043 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:59:11,043 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:59:11,044 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:59:11,044 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:59:11,044 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:59:11,045 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:59:11,046 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:59:11,046 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:59:11,047 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:59:11,047 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:59:11,048 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:59:11,049 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:59:11,049 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:59:11,050 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:59:11,050 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:59:11,051 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 02:59:11,052 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 02:59:11,052 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:59:11,052 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_1e0299ea-9c28-4d0c-ad1c-5f35320facf2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e0299ea-9c28-4d0c-ad1c-5f35320facf2/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f5a5fcfdef398824c80e5dd00ccb13245b1aba31a53b04be2e0e92d8a739e53d [2023-11-19 02:59:11,371 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:59:11,392 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:59:11,395 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:59:11,396 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:59:11,397 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:59:11,399 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e0299ea-9c28-4d0c-ad1c-5f35320facf2/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/combinations/gcd_3+newton_3_7.i [2023-11-19 02:59:14,475 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:59:14,703 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:59:14,704 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e0299ea-9c28-4d0c-ad1c-5f35320facf2/sv-benchmarks/c/combinations/gcd_3+newton_3_7.i [2023-11-19 02:59:14,717 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e0299ea-9c28-4d0c-ad1c-5f35320facf2/bin/ukojak-verify-G8NBE6pJGL/data/e702ac2ff/0b642d1192a84054b1da1e0647abbb5a/FLAG3e53df9a9 [2023-11-19 02:59:14,743 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e0299ea-9c28-4d0c-ad1c-5f35320facf2/bin/ukojak-verify-G8NBE6pJGL/data/e702ac2ff/0b642d1192a84054b1da1e0647abbb5a [2023-11-19 02:59:14,749 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:59:14,752 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:59:14,753 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:59:14,754 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:59:14,759 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:59:14,759 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:59:14" (1/1) ... [2023-11-19 02:59:14,762 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c84da43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:59:14, skipping insertion in model container [2023-11-19 02:59:14,762 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:59:14" (1/1) ... [2023-11-19 02:59:14,795 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:59:15,047 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_1e0299ea-9c28-4d0c-ad1c-5f35320facf2/sv-benchmarks/c/combinations/gcd_3+newton_3_7.i[1226,1239] [2023-11-19 02:59:15,074 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_1e0299ea-9c28-4d0c-ad1c-5f35320facf2/sv-benchmarks/c/combinations/gcd_3+newton_3_7.i[2862,2875] [2023-11-19 02:59:15,076 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:59:15,088 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:59:15,108 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_1e0299ea-9c28-4d0c-ad1c-5f35320facf2/sv-benchmarks/c/combinations/gcd_3+newton_3_7.i[1226,1239] [2023-11-19 02:59:15,124 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_1e0299ea-9c28-4d0c-ad1c-5f35320facf2/sv-benchmarks/c/combinations/gcd_3+newton_3_7.i[2862,2875] [2023-11-19 02:59:15,126 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:59:15,138 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:59:15,139 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:59:15 WrapperNode [2023-11-19 02:59:15,139 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:59:15,140 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:59:15,141 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:59:15,141 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:59:15,153 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:59:15" (1/1) ... [2023-11-19 02:59:15,169 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:59:15" (1/1) ... [2023-11-19 02:59:15,197 INFO L138 Inliner]: procedures = 27, calls = 26, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 93 [2023-11-19 02:59:15,197 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:59:15,198 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:59:15,198 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:59:15,198 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:59:15,206 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:59:15" (1/1) ... [2023-11-19 02:59:15,207 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:59:15" (1/1) ... [2023-11-19 02:59:15,209 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:59:15" (1/1) ... [2023-11-19 02:59:15,209 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:59:15" (1/1) ... [2023-11-19 02:59:15,216 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:59:15" (1/1) ... [2023-11-19 02:59:15,220 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:59:15" (1/1) ... [2023-11-19 02:59:15,222 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:59:15" (1/1) ... [2023-11-19 02:59:15,223 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:59:15" (1/1) ... [2023-11-19 02:59:15,226 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:59:15,227 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:59:15,227 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:59:15,227 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:59:15,228 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:59:15" (1/1) ... [2023-11-19 02:59:15,234 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:59:15,250 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e0299ea-9c28-4d0c-ad1c-5f35320facf2/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:59:15,262 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e0299ea-9c28-4d0c-ad1c-5f35320facf2/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:59:15,288 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e0299ea-9c28-4d0c-ad1c-5f35320facf2/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:59:15,315 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:59:15,315 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2023-11-19 02:59:15,316 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2023-11-19 02:59:15,317 INFO L130 BoogieDeclarations]: Found specification of procedure f [2023-11-19 02:59:15,317 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2023-11-19 02:59:15,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 02:59:15,318 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:59:15,318 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:59:15,412 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:59:15,415 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:59:15,644 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:59:15,716 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:59:15,717 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 02:59:15,721 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:59:15 BoogieIcfgContainer [2023-11-19 02:59:15,722 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:59:15,723 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:59:15,723 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:59:15,733 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:59:15,734 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:59:15" (1/1) ... [2023-11-19 02:59:15,744 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 02:59:15,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:59:15,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 28 states and 36 transitions. [2023-11-19 02:59:15,805 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 36 transitions. [2023-11-19 02:59:15,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 02:59:15,810 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:59:15,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:59:15,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:59:16,381 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 02:59:16,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:59:16,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 31 states and 41 transitions. [2023-11-19 02:59:16,494 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 41 transitions. [2023-11-19 02:59:16,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 02:59:16,495 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:59:16,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:59:16,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:59:16,544 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 22 conjunts are in the unsatisfiable core [2023-11-19 02:59:16,550 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:59:40,324 WARN L249 Executor]: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e0299ea-9c28-4d0c-ad1c-5f35320facf2/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 02:59:40,327 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 02:59:40,325 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e0299ea-9c28-4d0c-ad1c-5f35320facf2/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 101 [2023-11-19 02:59:40,332 INFO L158 Benchmark]: Toolchain (without parser) took 25579.32ms. Allocated memory was 121.6MB in the beginning and 192.9MB in the end (delta: 71.3MB). Free memory was 65.3MB in the beginning and 85.6MB in the end (delta: -20.3MB). Peak memory consumption was 55.5MB. Max. memory is 16.1GB. [2023-11-19 02:59:40,333 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 121.6MB. Free memory is still 95.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:59:40,333 INFO L158 Benchmark]: CACSL2BoogieTranslator took 386.25ms. Allocated memory was 121.6MB in the beginning and 159.4MB in the end (delta: 37.7MB). Free memory was 65.1MB in the beginning and 123.8MB in the end (delta: -58.7MB). Peak memory consumption was 10.7MB. Max. memory is 16.1GB. [2023-11-19 02:59:40,334 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.95ms. Allocated memory is still 159.4MB. Free memory was 123.8MB in the beginning and 122.1MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 02:59:40,335 INFO L158 Benchmark]: Boogie Preprocessor took 27.88ms. Allocated memory is still 159.4MB. Free memory was 122.1MB in the beginning and 120.9MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:59:40,335 INFO L158 Benchmark]: RCFGBuilder took 495.16ms. Allocated memory is still 159.4MB. Free memory was 120.9MB in the beginning and 104.5MB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-19 02:59:40,336 INFO L158 Benchmark]: CodeCheck took 24607.86ms. Allocated memory was 159.4MB in the beginning and 192.9MB in the end (delta: 33.6MB). Free memory was 104.5MB in the beginning and 85.6MB in the end (delta: 18.9MB). Peak memory consumption was 55.3MB. Max. memory is 16.1GB. [2023-11-19 02:59:40,339 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 0.32ms. Allocated memory is still 121.6MB. Free memory is still 95.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 386.25ms. Allocated memory was 121.6MB in the beginning and 159.4MB in the end (delta: 37.7MB). Free memory was 65.1MB in the beginning and 123.8MB in the end (delta: -58.7MB). Peak memory consumption was 10.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.95ms. Allocated memory is still 159.4MB. Free memory was 123.8MB in the beginning and 122.1MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.88ms. Allocated memory is still 159.4MB. Free memory was 122.1MB in the beginning and 120.9MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 495.16ms. Allocated memory is still 159.4MB. Free memory was 120.9MB in the beginning and 104.5MB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 24607.86ms. Allocated memory was 159.4MB in the beginning and 192.9MB in the end (delta: 33.6MB). Free memory was 104.5MB in the beginning and 85.6MB in the end (delta: 18.9MB). Peak memory consumption was 55.3MB. 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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e0299ea-9c28-4d0c-ad1c-5f35320facf2/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e0299ea-9c28-4d0c-ad1c-5f35320facf2/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_1e0299ea-9c28-4d0c-ad1c-5f35320facf2/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e0299ea-9c28-4d0c-ad1c-5f35320facf2/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/gcd_3+newton_3_7.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e0299ea-9c28-4d0c-ad1c-5f35320facf2/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_1e0299ea-9c28-4d0c-ad1c-5f35320facf2/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 f5a5fcfdef398824c80e5dd00ccb13245b1aba31a53b04be2e0e92d8a739e53d --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:59:42,576 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:59:42,652 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e0299ea-9c28-4d0c-ad1c-5f35320facf2/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-11-19 02:59:42,683 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:59:42,684 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:59:42,685 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:59:42,686 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:59:42,686 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:59:42,687 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:59:42,688 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:59:42,688 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:59:42,689 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:59:42,690 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:59:42,690 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:59:42,691 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:59:42,692 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:59:42,692 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 02:59:42,696 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 02:59:42,696 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 02:59:42,697 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:59:42,701 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:59:42,703 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:59:42,704 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:59:42,704 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:59:42,704 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:59:42,705 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 02:59:42,705 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 02:59:42,706 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:59:42,706 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:59:42,707 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:59:42,708 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:59:42,709 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:59:42,709 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 02:59:42,710 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 02:59:42,710 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:59:42,710 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 02:59:42,711 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 02:59:42,711 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_1e0299ea-9c28-4d0c-ad1c-5f35320facf2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e0299ea-9c28-4d0c-ad1c-5f35320facf2/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f5a5fcfdef398824c80e5dd00ccb13245b1aba31a53b04be2e0e92d8a739e53d [2023-11-19 02:59:43,105 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:59:43,143 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:59:43,146 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:59:43,147 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:59:43,148 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:59:43,149 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e0299ea-9c28-4d0c-ad1c-5f35320facf2/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/combinations/gcd_3+newton_3_7.i [2023-11-19 02:59:46,493 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:59:46,684 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:59:46,685 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e0299ea-9c28-4d0c-ad1c-5f35320facf2/sv-benchmarks/c/combinations/gcd_3+newton_3_7.i [2023-11-19 02:59:46,698 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e0299ea-9c28-4d0c-ad1c-5f35320facf2/bin/ukojak-verify-G8NBE6pJGL/data/b9f1573bd/1789cc59e0d9469ab293af6b2a24cc93/FLAGca918cd56 [2023-11-19 02:59:46,713 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e0299ea-9c28-4d0c-ad1c-5f35320facf2/bin/ukojak-verify-G8NBE6pJGL/data/b9f1573bd/1789cc59e0d9469ab293af6b2a24cc93 [2023-11-19 02:59:46,716 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:59:46,717 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:59:46,719 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:59:46,719 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:59:46,724 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:59:46,724 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:59:46" (1/1) ... [2023-11-19 02:59:46,726 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f262b9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:59:46, skipping insertion in model container [2023-11-19 02:59:46,726 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:59:46" (1/1) ... [2023-11-19 02:59:46,749 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:59:46,938 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_1e0299ea-9c28-4d0c-ad1c-5f35320facf2/sv-benchmarks/c/combinations/gcd_3+newton_3_7.i[1226,1239] [2023-11-19 02:59:46,966 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_1e0299ea-9c28-4d0c-ad1c-5f35320facf2/sv-benchmarks/c/combinations/gcd_3+newton_3_7.i[2862,2875] [2023-11-19 02:59:46,967 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:59:46,984 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:59:46,999 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_1e0299ea-9c28-4d0c-ad1c-5f35320facf2/sv-benchmarks/c/combinations/gcd_3+newton_3_7.i[1226,1239] [2023-11-19 02:59:47,012 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_1e0299ea-9c28-4d0c-ad1c-5f35320facf2/sv-benchmarks/c/combinations/gcd_3+newton_3_7.i[2862,2875] [2023-11-19 02:59:47,014 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:59:47,031 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:59:47,032 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:59:47 WrapperNode [2023-11-19 02:59:47,032 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:59:47,033 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:59:47,033 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:59:47,033 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:59:47,041 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:59:47" (1/1) ... [2023-11-19 02:59:47,052 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:59:47" (1/1) ... [2023-11-19 02:59:47,076 INFO L138 Inliner]: procedures = 28, calls = 26, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 88 [2023-11-19 02:59:47,076 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:59:47,077 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:59:47,077 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:59:47,077 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:59:47,086 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:59:47" (1/1) ... [2023-11-19 02:59:47,086 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:59:47" (1/1) ... [2023-11-19 02:59:47,091 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:59:47" (1/1) ... [2023-11-19 02:59:47,092 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:59:47" (1/1) ... [2023-11-19 02:59:47,103 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:59:47" (1/1) ... [2023-11-19 02:59:47,107 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:59:47" (1/1) ... [2023-11-19 02:59:47,109 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:59:47" (1/1) ... [2023-11-19 02:59:47,111 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:59:47" (1/1) ... [2023-11-19 02:59:47,115 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:59:47,116 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:59:47,117 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:59:47,117 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:59:47,118 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:59:47" (1/1) ... [2023-11-19 02:59:47,123 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:59:47,157 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e0299ea-9c28-4d0c-ad1c-5f35320facf2/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:59:47,169 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e0299ea-9c28-4d0c-ad1c-5f35320facf2/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:59:47,193 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e0299ea-9c28-4d0c-ad1c-5f35320facf2/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:59:47,217 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:59:47,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 02:59:47,218 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2023-11-19 02:59:47,219 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2023-11-19 02:59:47,219 INFO L130 BoogieDeclarations]: Found specification of procedure f [2023-11-19 02:59:47,219 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2023-11-19 02:59:47,219 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:59:47,219 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:59:47,355 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:59:47,357 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:00:13,489 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:00:13,559 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:00:13,560 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 03:00:13,565 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:00:13 BoogieIcfgContainer [2023-11-19 03:00:13,565 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:00:13,572 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:00:13,572 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:00:13,583 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:00:13,583 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:00:13" (1/1) ... [2023-11-19 03:00:13,593 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:00:13,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:00:13,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 28 states and 36 transitions. [2023-11-19 03:00:13,653 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 36 transitions. [2023-11-19 03:00:13,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 03:00:13,658 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:00:13,659 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 03:00:13,659 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e0299ea-9c28-4d0c-ad1c-5f35320facf2/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 03:00:13,665 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e0299ea-9c28-4d0c-ad1c-5f35320facf2/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 03:00:13,674 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e0299ea-9c28-4d0c-ad1c-5f35320facf2/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-19 03:00:13,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:00:13,802 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 03:00:13,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:00:13,846 INFO L262 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 03:00:13,853 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:00:14,671 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 03:00:14,680 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e0299ea-9c28-4d0c-ad1c-5f35320facf2/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-11-19 03:00:15,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:00:15,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 31 states and 43 transitions. [2023-11-19 03:00:15,500 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 43 transitions. [2023-11-19 03:00:15,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 03:00:15,501 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:00:15,501 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 03:00:15,502 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e0299ea-9c28-4d0c-ad1c-5f35320facf2/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 03:00:15,503 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e0299ea-9c28-4d0c-ad1c-5f35320facf2/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 03:00:15,518 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e0299ea-9c28-4d0c-ad1c-5f35320facf2/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-11-19 03:00:15,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:00:15,758 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 03:00:15,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:00:15,825 INFO L262 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-19 03:00:15,826 INFO L285 TraceCheckSpWp]: Computing forward predicates...