./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/combinations/gcd_1+newton_2_5.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc 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_55ee0ba1-b49f-4377-9640-74579a4bb7ae/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55ee0ba1-b49f-4377-9640-74579a4bb7ae/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55ee0ba1-b49f-4377-9640-74579a4bb7ae/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55ee0ba1-b49f-4377-9640-74579a4bb7ae/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/gcd_1+newton_2_5.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55ee0ba1-b49f-4377-9640-74579a4bb7ae/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55ee0ba1-b49f-4377-9640-74579a4bb7ae/bin/ukojak-verify-Qdu7aM0XO9 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash bef70c39331e78595b45dbc9116e80e68130a83e4d55fdf4189b866d036d57fe --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 00:12:36,716 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 00:12:36,797 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55ee0ba1-b49f-4377-9640-74579a4bb7ae/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-03 00:12:36,803 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 00:12:36,804 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 00:12:36,831 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 00:12:36,832 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 00:12:36,833 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 00:12:36,834 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 00:12:36,834 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 00:12:36,835 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 00:12:36,836 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 00:12:36,836 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 00:12:36,837 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 00:12:36,838 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 00:12:36,838 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 00:12:36,839 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 00:12:36,840 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 00:12:36,840 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 00:12:36,841 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 00:12:36,841 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 00:12:36,842 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 00:12:36,843 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 00:12:36,844 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 00:12:36,844 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 00:12:36,845 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 00:12:36,845 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:12:36,846 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 00:12:36,847 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 00:12:36,847 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 00:12:36,848 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 00:12:36,848 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 00:12:36,848 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 00:12:36,849 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_55ee0ba1-b49f-4377-9640-74579a4bb7ae/bin/ukojak-verify-Qdu7aM0XO9/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55ee0ba1-b49f-4377-9640-74579a4bb7ae/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bef70c39331e78595b45dbc9116e80e68130a83e4d55fdf4189b866d036d57fe [2023-12-03 00:12:37,118 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 00:12:37,144 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 00:12:37,147 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 00:12:37,148 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 00:12:37,149 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 00:12:37,150 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55ee0ba1-b49f-4377-9640-74579a4bb7ae/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/combinations/gcd_1+newton_2_5.i [2023-12-03 00:12:43,084 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 00:12:43,299 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 00:12:43,300 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55ee0ba1-b49f-4377-9640-74579a4bb7ae/sv-benchmarks/c/combinations/gcd_1+newton_2_5.i [2023-12-03 00:12:43,310 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55ee0ba1-b49f-4377-9640-74579a4bb7ae/bin/ukojak-verify-Qdu7aM0XO9/data/c11d80549/b4aaab3748b4475ca07a3eb9d9cc0fb6/FLAG254beeebb [2023-12-03 00:12:43,325 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55ee0ba1-b49f-4377-9640-74579a4bb7ae/bin/ukojak-verify-Qdu7aM0XO9/data/c11d80549/b4aaab3748b4475ca07a3eb9d9cc0fb6 [2023-12-03 00:12:43,328 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 00:12:43,329 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 00:12:43,330 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 00:12:43,331 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 00:12:43,335 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 00:12:43,336 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:12:43" (1/1) ... [2023-12-03 00:12:43,337 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23822cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:12:43, skipping insertion in model container [2023-12-03 00:12:43,337 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:12:43" (1/1) ... [2023-12-03 00:12:43,366 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 00:12:43,531 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_55ee0ba1-b49f-4377-9640-74579a4bb7ae/sv-benchmarks/c/combinations/gcd_1+newton_2_5.i[1226,1239] [2023-12-03 00:12:43,563 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_55ee0ba1-b49f-4377-9640-74579a4bb7ae/sv-benchmarks/c/combinations/gcd_1+newton_2_5.i[2807,2820] [2023-12-03 00:12:43,565 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:12:43,579 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 00:12:43,594 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_55ee0ba1-b49f-4377-9640-74579a4bb7ae/sv-benchmarks/c/combinations/gcd_1+newton_2_5.i[1226,1239] [2023-12-03 00:12:43,606 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_55ee0ba1-b49f-4377-9640-74579a4bb7ae/sv-benchmarks/c/combinations/gcd_1+newton_2_5.i[2807,2820] [2023-12-03 00:12:43,608 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:12:43,625 INFO L206 MainTranslator]: Completed translation [2023-12-03 00:12:43,626 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:12:43 WrapperNode [2023-12-03 00:12:43,626 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 00:12:43,628 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 00:12:43,628 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 00:12:43,628 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 00:12:43,638 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:12:43" (1/1) ... [2023-12-03 00:12:43,649 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:12:43" (1/1) ... [2023-12-03 00:12:43,679 INFO L138 Inliner]: procedures = 27, calls = 24, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 88 [2023-12-03 00:12:43,680 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 00:12:43,681 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 00:12:43,681 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 00:12:43,681 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 00:12:43,692 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:12:43" (1/1) ... [2023-12-03 00:12:43,692 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:12:43" (1/1) ... [2023-12-03 00:12:43,695 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:12:43" (1/1) ... [2023-12-03 00:12:43,695 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:12:43" (1/1) ... [2023-12-03 00:12:43,701 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:12:43" (1/1) ... [2023-12-03 00:12:43,705 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:12:43" (1/1) ... [2023-12-03 00:12:43,707 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:12:43" (1/1) ... [2023-12-03 00:12:43,709 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:12:43" (1/1) ... [2023-12-03 00:12:43,711 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 00:12:43,712 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 00:12:43,712 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 00:12:43,712 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 00:12:43,714 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:12:43" (1/1) ... [2023-12-03 00:12:43,721 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:12:43,736 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55ee0ba1-b49f-4377-9640-74579a4bb7ae/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 00:12:43,753 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55ee0ba1-b49f-4377-9640-74579a4bb7ae/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 00:12:43,756 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55ee0ba1-b49f-4377-9640-74579a4bb7ae/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 00:12:43,797 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 00:12:43,797 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2023-12-03 00:12:43,797 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2023-12-03 00:12:43,797 INFO L130 BoogieDeclarations]: Found specification of procedure f [2023-12-03 00:12:43,798 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2023-12-03 00:12:43,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 00:12:43,798 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 00:12:43,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 00:12:43,886 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 00:12:43,889 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 00:12:44,068 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 00:12:44,140 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 00:12:44,141 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-03 00:12:44,143 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:12:44 BoogieIcfgContainer [2023-12-03 00:12:44,143 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 00:12:44,144 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 00:12:44,144 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 00:12:44,158 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 00:12:44,158 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:12:44" (1/1) ... [2023-12-03 00:12:44,170 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 00:12:44,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:12:44,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 25 states and 31 transitions. [2023-12-03 00:12:44,227 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 31 transitions. [2023-12-03 00:12:44,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-12-03 00:12:44,232 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:12:44,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:12:44,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:12:44,375 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-03 00:12:44,380 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:12:44,504 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:12:44,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:12:44,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 26 states and 33 transitions. [2023-12-03 00:12:44,559 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 33 transitions. [2023-12-03 00:12:44,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 00:12:44,560 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:12:44,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:12:44,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:12:44,613 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-03 00:12:44,615 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:12:44,714 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:12:44,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:12:44,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 29 states and 43 transitions. [2023-12-03 00:12:44,955 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 43 transitions. [2023-12-03 00:12:44,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-03 00:12:44,956 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:12:44,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:12:55,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-12-03 00:12:55,026 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:488) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-12-03 00:12:55,030 INFO L158 Benchmark]: Toolchain (without parser) took 11699.58ms. Allocated memory is still 132.1MB. Free memory was 95.1MB in the beginning and 71.3MB in the end (delta: 23.8MB). Peak memory consumption was 26.4MB. Max. memory is 16.1GB. [2023-12-03 00:12:55,030 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 132.1MB. Free memory is still 105.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 00:12:55,031 INFO L158 Benchmark]: CACSL2BoogieTranslator took 296.23ms. Allocated memory is still 132.1MB. Free memory was 94.9MB in the beginning and 83.2MB in the end (delta: 11.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-12-03 00:12:55,032 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.32ms. Allocated memory is still 132.1MB. Free memory was 83.2MB in the beginning and 81.4MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 00:12:55,032 INFO L158 Benchmark]: Boogie Preprocessor took 30.66ms. Allocated memory is still 132.1MB. Free memory was 81.4MB in the beginning and 79.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 00:12:55,033 INFO L158 Benchmark]: RCFGBuilder took 431.17ms. Allocated memory is still 132.1MB. Free memory was 79.8MB in the beginning and 64.0MB in the end (delta: 15.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-12-03 00:12:55,034 INFO L158 Benchmark]: CodeCheck took 10883.96ms. Allocated memory is still 132.1MB. Free memory was 64.0MB in the beginning and 71.3MB in the end (delta: -7.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 00:12:55,038 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:488) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 132.1MB. Free memory is still 105.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 296.23ms. Allocated memory is still 132.1MB. Free memory was 94.9MB in the beginning and 83.2MB in the end (delta: 11.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 52.32ms. Allocated memory is still 132.1MB. Free memory was 83.2MB in the beginning and 81.4MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.66ms. Allocated memory is still 132.1MB. Free memory was 81.4MB in the beginning and 79.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 431.17ms. Allocated memory is still 132.1MB. Free memory was 79.8MB in the beginning and 64.0MB in the end (delta: 15.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 10883.96ms. Allocated memory is still 132.1MB. Free memory was 64.0MB in the beginning and 71.3MB in the end (delta: -7.3MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-03 00:12:55,062 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55ee0ba1-b49f-4377-9640-74579a4bb7ae/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 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_55ee0ba1-b49f-4377-9640-74579a4bb7ae/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55ee0ba1-b49f-4377-9640-74579a4bb7ae/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55ee0ba1-b49f-4377-9640-74579a4bb7ae/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55ee0ba1-b49f-4377-9640-74579a4bb7ae/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/gcd_1+newton_2_5.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55ee0ba1-b49f-4377-9640-74579a4bb7ae/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55ee0ba1-b49f-4377-9640-74579a4bb7ae/bin/ukojak-verify-Qdu7aM0XO9 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash bef70c39331e78595b45dbc9116e80e68130a83e4d55fdf4189b866d036d57fe --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 00:12:57,399 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 00:12:57,507 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55ee0ba1-b49f-4377-9640-74579a4bb7ae/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-12-03 00:12:57,545 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 00:12:57,546 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 00:12:57,547 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 00:12:57,548 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 00:12:57,549 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 00:12:57,550 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 00:12:57,551 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 00:12:57,552 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 00:12:57,553 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 00:12:57,554 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 00:12:57,555 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 00:12:57,555 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 00:12:57,556 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 00:12:57,557 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 00:12:57,558 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 00:12:57,558 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 00:12:57,559 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 00:12:57,560 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 00:12:57,561 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 00:12:57,561 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 00:12:57,562 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 00:12:57,562 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 00:12:57,563 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 00:12:57,564 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 00:12:57,564 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 00:12:57,565 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:12:57,565 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 00:12:57,566 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 00:12:57,566 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 00:12:57,566 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 00:12:57,567 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 00:12:57,567 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 00:12:57,568 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 00:12:57,568 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 00:12:57,568 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_55ee0ba1-b49f-4377-9640-74579a4bb7ae/bin/ukojak-verify-Qdu7aM0XO9/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55ee0ba1-b49f-4377-9640-74579a4bb7ae/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bef70c39331e78595b45dbc9116e80e68130a83e4d55fdf4189b866d036d57fe [2023-12-03 00:12:57,933 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 00:12:57,959 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 00:12:57,963 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 00:12:57,964 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 00:12:57,965 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 00:12:57,967 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55ee0ba1-b49f-4377-9640-74579a4bb7ae/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/combinations/gcd_1+newton_2_5.i [2023-12-03 00:13:01,436 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 00:13:01,683 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 00:13:01,684 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55ee0ba1-b49f-4377-9640-74579a4bb7ae/sv-benchmarks/c/combinations/gcd_1+newton_2_5.i [2023-12-03 00:13:01,695 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55ee0ba1-b49f-4377-9640-74579a4bb7ae/bin/ukojak-verify-Qdu7aM0XO9/data/63e8dd928/fba564fc1e294db281c575ebcf3a9363/FLAGb9916d54f [2023-12-03 00:13:01,712 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55ee0ba1-b49f-4377-9640-74579a4bb7ae/bin/ukojak-verify-Qdu7aM0XO9/data/63e8dd928/fba564fc1e294db281c575ebcf3a9363 [2023-12-03 00:13:01,715 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 00:13:01,716 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 00:13:01,718 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 00:13:01,719 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 00:13:01,724 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 00:13:01,725 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:13:01" (1/1) ... [2023-12-03 00:13:01,726 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4687235c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:13:01, skipping insertion in model container [2023-12-03 00:13:01,726 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:13:01" (1/1) ... [2023-12-03 00:13:01,754 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 00:13:01,919 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_55ee0ba1-b49f-4377-9640-74579a4bb7ae/sv-benchmarks/c/combinations/gcd_1+newton_2_5.i[1226,1239] [2023-12-03 00:13:01,952 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_55ee0ba1-b49f-4377-9640-74579a4bb7ae/sv-benchmarks/c/combinations/gcd_1+newton_2_5.i[2807,2820] [2023-12-03 00:13:01,954 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:13:01,972 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 00:13:01,989 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_55ee0ba1-b49f-4377-9640-74579a4bb7ae/sv-benchmarks/c/combinations/gcd_1+newton_2_5.i[1226,1239] [2023-12-03 00:13:02,006 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_55ee0ba1-b49f-4377-9640-74579a4bb7ae/sv-benchmarks/c/combinations/gcd_1+newton_2_5.i[2807,2820] [2023-12-03 00:13:02,007 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:13:02,032 INFO L206 MainTranslator]: Completed translation [2023-12-03 00:13:02,032 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:13:02 WrapperNode [2023-12-03 00:13:02,033 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 00:13:02,034 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 00:13:02,034 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 00:13:02,034 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 00:13:02,041 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:13:02" (1/1) ... [2023-12-03 00:13:02,055 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:13:02" (1/1) ... [2023-12-03 00:13:02,084 INFO L138 Inliner]: procedures = 28, calls = 24, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 83 [2023-12-03 00:13:02,085 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 00:13:02,086 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 00:13:02,086 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 00:13:02,086 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 00:13:02,095 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:13:02" (1/1) ... [2023-12-03 00:13:02,096 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:13:02" (1/1) ... [2023-12-03 00:13:02,101 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:13:02" (1/1) ... [2023-12-03 00:13:02,102 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:13:02" (1/1) ... [2023-12-03 00:13:02,112 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:13:02" (1/1) ... [2023-12-03 00:13:02,117 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:13:02" (1/1) ... [2023-12-03 00:13:02,120 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:13:02" (1/1) ... [2023-12-03 00:13:02,123 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:13:02" (1/1) ... [2023-12-03 00:13:02,128 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 00:13:02,129 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 00:13:02,139 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 00:13:02,139 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 00:13:02,140 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:13:02" (1/1) ... [2023-12-03 00:13:02,147 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:13:02,159 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55ee0ba1-b49f-4377-9640-74579a4bb7ae/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 00:13:02,172 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55ee0ba1-b49f-4377-9640-74579a4bb7ae/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 00:13:02,175 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55ee0ba1-b49f-4377-9640-74579a4bb7ae/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 00:13:02,220 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 00:13:02,220 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 00:13:02,221 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2023-12-03 00:13:02,221 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2023-12-03 00:13:02,221 INFO L130 BoogieDeclarations]: Found specification of procedure f [2023-12-03 00:13:02,221 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2023-12-03 00:13:02,222 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 00:13:02,222 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 00:13:02,330 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 00:13:02,333 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 00:13:29,645 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 00:13:29,721 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 00:13:29,722 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-03 00:13:29,724 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:13:29 BoogieIcfgContainer [2023-12-03 00:13:29,725 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 00:13:29,726 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 00:13:29,726 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 00:13:29,736 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 00:13:29,736 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:13:29" (1/1) ... [2023-12-03 00:13:29,745 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 00:13:29,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:13:29,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 25 states and 31 transitions. [2023-12-03 00:13:29,805 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 31 transitions. [2023-12-03 00:13:29,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-12-03 00:13:29,809 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:13:29,810 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:13:29,811 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55ee0ba1-b49f-4377-9640-74579a4bb7ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:13:29,844 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55ee0ba1-b49f-4377-9640-74579a4bb7ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:13:29,846 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55ee0ba1-b49f-4377-9640-74579a4bb7ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-03 00:13:30,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:13:30,039 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:13:30,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:13:30,089 INFO L262 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 00:13:30,094 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:13:30,254 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:13:30,259 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55ee0ba1-b49f-4377-9640-74579a4bb7ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-03 00:13:30,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:13:30,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 26 states and 33 transitions. [2023-12-03 00:13:30,595 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 33 transitions. [2023-12-03 00:13:30,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 00:13:30,595 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:13:30,596 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:13:30,596 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55ee0ba1-b49f-4377-9640-74579a4bb7ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:13:30,597 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55ee0ba1-b49f-4377-9640-74579a4bb7ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:13:30,598 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55ee0ba1-b49f-4377-9640-74579a4bb7ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-03 00:13:30,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:13:30,960 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:13:31,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:13:31,019 INFO L262 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-03 00:13:31,021 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:13:31,391 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:13:31,397 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55ee0ba1-b49f-4377-9640-74579a4bb7ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2023-12-03 00:13:33,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:13:33,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 29 states and 43 transitions. [2023-12-03 00:13:33,261 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 43 transitions. [2023-12-03 00:13:33,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-03 00:13:33,263 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:13:33,263 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:13:33,263 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55ee0ba1-b49f-4377-9640-74579a4bb7ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:13:33,265 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55ee0ba1-b49f-4377-9640-74579a4bb7ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:13:33,266 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55ee0ba1-b49f-4377-9640-74579a4bb7ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-03 00:13:34,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:13:34,559 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:13:37,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:13:37,143 INFO L262 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 20 conjunts are in the unsatisfiable core [2023-12-03 00:13:37,145 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:13:47,465 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:13:47,472 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55ee0ba1-b49f-4377-9640-74579a4bb7ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-12-03 00:14:02,299 WARN L293 SmtUtils]: Spent 5.49s on a formula simplification that was a NOOP. DAG size: 27 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 00:14:09,015 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.71s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 00:14:13,864 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.85s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 00:14:15,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:14:15,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 30 states and 46 transitions. [2023-12-03 00:14:15,783 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 46 transitions. [2023-12-03 00:14:15,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-03 00:14:15,784 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:14:15,784 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:14:15,784 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55ee0ba1-b49f-4377-9640-74579a4bb7ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:14:15,786 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55ee0ba1-b49f-4377-9640-74579a4bb7ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:14:15,788 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55ee0ba1-b49f-4377-9640-74579a4bb7ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-12-03 00:14:17,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:14:17,081 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:14:21,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:14:21,355 INFO L262 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 20 conjunts are in the unsatisfiable core [2023-12-03 00:14:21,356 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:14:29,819 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:14:29,826 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55ee0ba1-b49f-4377-9640-74579a4bb7ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2023-12-03 00:14:37,411 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.81s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 00:14:42,052 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 00:14:44,919 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.70s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 00:14:47,524 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.29s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 00:14:50,062 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.34s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 00:14:50,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:14:50,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 24 states and 28 transitions. [2023-12-03 00:14:50,356 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 28 transitions. [2023-12-03 00:14:50,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-03 00:14:50,357 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:14:50,357 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:14:50,357 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55ee0ba1-b49f-4377-9640-74579a4bb7ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:14:50,359 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55ee0ba1-b49f-4377-9640-74579a4bb7ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:14:50,360 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55ee0ba1-b49f-4377-9640-74579a4bb7ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process