./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound5.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a983e59-c841-42ef-b816-ab6385c73481/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a983e59-c841-42ef-b816-ab6385c73481/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a983e59-c841-42ef-b816-ab6385c73481/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a983e59-c841-42ef-b816-ab6385c73481/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound5.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a983e59-c841-42ef-b816-ab6385c73481/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a983e59-c841-42ef-b816-ab6385c73481/bin/ukojak-verify-CZk0znPC7b --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 78ef731083faa503d4cf5e0ad0f2613cb9f5144cc63c5bca18c10075cc31f97f --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 01:09:40,657 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 01:09:40,716 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a983e59-c841-42ef-b816-ab6385c73481/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 01:09:40,721 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 01:09:40,722 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 01:09:40,741 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 01:09:40,742 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 01:09:40,742 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 01:09:40,742 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 01:09:40,742 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 01:09:40,743 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 01:09:40,743 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 01:09:40,743 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 01:09:40,743 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 01:09:40,743 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 01:09:40,743 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 01:09:40,743 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 01:09:40,743 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 01:09:40,743 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 01:09:40,743 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 01:09:40,743 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 01:09:40,743 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 01:09:40,744 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 01:09:40,744 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 01:09:40,744 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 01:09:40,744 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 01:09:40,744 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 01:09:40,744 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:09:40,744 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 01:09:40,744 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 01:09:40,744 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 01:09:40,744 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 01:09:40,744 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 01:09:40,744 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_7a983e59-c841-42ef-b816-ab6385c73481/bin/ukojak-verify-CZk0znPC7b 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 -> 78ef731083faa503d4cf5e0ad0f2613cb9f5144cc63c5bca18c10075cc31f97f [2024-12-06 01:09:40,989 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 01:09:40,998 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 01:09:41,000 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 01:09:41,001 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 01:09:41,001 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 01:09:41,003 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a983e59-c841-42ef-b816-ab6385c73481/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound5.c [2024-12-06 01:09:43,661 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a983e59-c841-42ef-b816-ab6385c73481/bin/ukojak-verify-CZk0znPC7b/data/eb1427ef7/c8f1a81aedcb49749c91ab3a83802ce1/FLAG3f24523f9 [2024-12-06 01:09:43,857 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 01:09:43,858 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a983e59-c841-42ef-b816-ab6385c73481/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound5.c [2024-12-06 01:09:43,864 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a983e59-c841-42ef-b816-ab6385c73481/bin/ukojak-verify-CZk0znPC7b/data/eb1427ef7/c8f1a81aedcb49749c91ab3a83802ce1/FLAG3f24523f9 [2024-12-06 01:09:43,879 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a983e59-c841-42ef-b816-ab6385c73481/bin/ukojak-verify-CZk0znPC7b/data/eb1427ef7/c8f1a81aedcb49749c91ab3a83802ce1 [2024-12-06 01:09:43,881 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 01:09:43,883 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 01:09:43,884 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 01:09:43,885 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 01:09:43,889 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 01:09:43,890 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:09:43" (1/1) ... [2024-12-06 01:09:43,891 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53d4ee81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:09:43, skipping insertion in model container [2024-12-06 01:09:43,891 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:09:43" (1/1) ... [2024-12-06 01:09:43,905 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 01:09:44,055 WARN L250 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_7a983e59-c841-42ef-b816-ab6385c73481/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound5.c[537,550] [2024-12-06 01:09:44,074 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:09:44,084 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 01:09:44,097 WARN L250 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_7a983e59-c841-42ef-b816-ab6385c73481/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound5.c[537,550] [2024-12-06 01:09:44,103 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:09:44,121 INFO L204 MainTranslator]: Completed translation [2024-12-06 01:09:44,121 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:09:44 WrapperNode [2024-12-06 01:09:44,122 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 01:09:44,123 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 01:09:44,123 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 01:09:44,123 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 01:09:44,131 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:09:44" (1/1) ... [2024-12-06 01:09:44,138 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:09:44" (1/1) ... [2024-12-06 01:09:44,156 INFO L138 Inliner]: procedures = 14, calls = 22, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 52 [2024-12-06 01:09:44,156 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 01:09:44,157 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 01:09:44,157 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 01:09:44,157 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 01:09:44,166 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:09:44" (1/1) ... [2024-12-06 01:09:44,166 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:09:44" (1/1) ... [2024-12-06 01:09:44,167 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:09:44" (1/1) ... [2024-12-06 01:09:44,167 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:09:44" (1/1) ... [2024-12-06 01:09:44,171 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:09:44" (1/1) ... [2024-12-06 01:09:44,171 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:09:44" (1/1) ... [2024-12-06 01:09:44,175 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:09:44" (1/1) ... [2024-12-06 01:09:44,176 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:09:44" (1/1) ... [2024-12-06 01:09:44,177 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:09:44" (1/1) ... [2024-12-06 01:09:44,179 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 01:09:44,180 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 01:09:44,180 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 01:09:44,180 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 01:09:44,181 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:09:44" (1/1) ... [2024-12-06 01:09:44,187 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:09:44,200 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a983e59-c841-42ef-b816-ab6385c73481/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 01:09:44,214 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a983e59-c841-42ef-b816-ab6385c73481/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 01:09:44,217 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a983e59-c841-42ef-b816-ab6385c73481/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 01:09:44,248 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 01:09:44,248 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-06 01:09:44,248 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-06 01:09:44,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 01:09:44,248 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 01:09:44,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 01:09:44,249 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-06 01:09:44,249 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-06 01:09:44,310 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 01:09:44,312 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 01:09:44,442 INFO L? ?]: Removed 5 outVars from TransFormulas that were not future-live. [2024-12-06 01:09:44,442 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 01:09:44,486 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 01:09:44,486 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-06 01:09:44,486 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:09:44 BoogieIcfgContainer [2024-12-06 01:09:44,486 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 01:09:44,487 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 01:09:44,487 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 01:09:44,499 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 01:09:44,499 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:09:44" (1/1) ... [2024-12-06 01:09:44,508 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 01:09:44,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:09:44,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 22 states and 30 transitions. [2024-12-06 01:09:44,564 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 30 transitions. [2024-12-06 01:09:44,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-06 01:09:44,569 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:09:44,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:09:44,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 01:09:44,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:09:44,796 INFO L256 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-12-06 01:09:44,802 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:09:44,940 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-12-06 01:09:45,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:09:45,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 25 states and 36 transitions. [2024-12-06 01:09:45,053 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 36 transitions. [2024-12-06 01:09:45,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-12-06 01:09:45,055 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:09:45,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:09:45,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:09:45,454 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-12-06 01:09:46,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:09:46,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 25 states and 33 transitions. [2024-12-06 01:09:46,938 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 33 transitions. [2024-12-06 01:09:46,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-12-06 01:09:46,939 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:09:46,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:09:46,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 01:09:48,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:09:48,452 INFO L256 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-12-06 01:09:48,455 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:09:49,046 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-12-06 01:09:53,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:09:53,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-12-06 01:09:53,028 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-12-06 01:09:53,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-12-06 01:09:53,029 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:09:53,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:09:53,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 01:09:59,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:09:59,302 INFO L256 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-12-06 01:09:59,304 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:10:02,293 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-12-06 01:10:40,764 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.68s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-06 01:10:41,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:10:41,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 29 states and 44 transitions. [2024-12-06 01:10:41,785 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 44 transitions. [2024-12-06 01:10:41,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 01:10:41,786 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:10:41,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:10:41,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 01:10:51,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 01:10:51,998 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:485) 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) [2024-12-06 01:10:52,002 INFO L158 Benchmark]: Toolchain (without parser) took 68118.87ms. Allocated memory is still 117.4MB. Free memory was 93.3MB in the beginning and 76.9MB in the end (delta: 16.4MB). Peak memory consumption was 14.2MB. Max. memory is 16.1GB. [2024-12-06 01:10:52,002 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 117.4MB. Free memory is still 72.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:10:52,002 INFO L158 Benchmark]: CACSL2BoogieTranslator took 237.77ms. Allocated memory is still 117.4MB. Free memory was 93.1MB in the beginning and 81.7MB in the end (delta: 11.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 01:10:52,003 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.78ms. Allocated memory is still 117.4MB. Free memory was 81.7MB in the beginning and 80.6MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:10:52,003 INFO L158 Benchmark]: Boogie Preprocessor took 21.73ms. Allocated memory is still 117.4MB. Free memory was 80.6MB in the beginning and 79.8MB in the end (delta: 812.1kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 01:10:52,004 INFO L158 Benchmark]: RCFGBuilder took 306.97ms. Allocated memory is still 117.4MB. Free memory was 79.8MB in the beginning and 67.3MB in the end (delta: 12.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 01:10:52,004 INFO L158 Benchmark]: CodeCheck took 67513.67ms. Allocated memory is still 117.4MB. Free memory was 67.3MB in the beginning and 76.9MB in the end (delta: -9.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:10:52,006 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:485) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 117.4MB. Free memory is still 72.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 237.77ms. Allocated memory is still 117.4MB. Free memory was 93.1MB in the beginning and 81.7MB in the end (delta: 11.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 33.78ms. Allocated memory is still 117.4MB. Free memory was 81.7MB in the beginning and 80.6MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 21.73ms. Allocated memory is still 117.4MB. Free memory was 80.6MB in the beginning and 79.8MB in the end (delta: 812.1kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 306.97ms. Allocated memory is still 117.4MB. Free memory was 79.8MB in the beginning and 67.3MB in the end (delta: 12.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 67513.67ms. Allocated memory is still 117.4MB. Free memory was 67.3MB in the beginning and 76.9MB in the end (delta: -9.6MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-06 01:10:52,072 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a983e59-c841-42ef-b816-ab6385c73481/bin/ukojak-verify-CZk0znPC7b/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/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a983e59-c841-42ef-b816-ab6385c73481/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a983e59-c841-42ef-b816-ab6385c73481/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a983e59-c841-42ef-b816-ab6385c73481/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a983e59-c841-42ef-b816-ab6385c73481/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound5.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a983e59-c841-42ef-b816-ab6385c73481/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a983e59-c841-42ef-b816-ab6385c73481/bin/ukojak-verify-CZk0znPC7b --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 78ef731083faa503d4cf5e0ad0f2613cb9f5144cc63c5bca18c10075cc31f97f --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 01:10:53,967 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 01:10:54,054 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a983e59-c841-42ef-b816-ab6385c73481/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-12-06 01:10:54,080 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 01:10:54,081 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 01:10:54,081 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 01:10:54,082 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 01:10:54,082 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 01:10:54,082 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 01:10:54,082 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 01:10:54,082 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 01:10:54,082 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 01:10:54,082 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 01:10:54,082 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 01:10:54,082 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 01:10:54,083 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 01:10:54,083 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 01:10:54,083 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 01:10:54,083 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 01:10:54,083 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 01:10:54,083 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 01:10:54,083 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 01:10:54,083 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 01:10:54,084 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 01:10:54,084 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 01:10:54,084 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 01:10:54,084 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 01:10:54,084 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 01:10:54,084 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 01:10:54,084 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:10:54,084 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 01:10:54,085 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 01:10:54,085 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 01:10:54,085 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 01:10:54,085 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 01:10:54,085 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 01:10:54,085 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_7a983e59-c841-42ef-b816-ab6385c73481/bin/ukojak-verify-CZk0znPC7b 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 -> 78ef731083faa503d4cf5e0ad0f2613cb9f5144cc63c5bca18c10075cc31f97f [2024-12-06 01:10:54,334 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 01:10:54,341 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 01:10:54,343 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 01:10:54,344 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 01:10:54,345 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 01:10:54,346 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a983e59-c841-42ef-b816-ab6385c73481/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound5.c [2024-12-06 01:10:56,987 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a983e59-c841-42ef-b816-ab6385c73481/bin/ukojak-verify-CZk0znPC7b/data/43ac8b57f/38aa2a69e7ec4206ad2f5c898cfdadb2/FLAG410848c42 [2024-12-06 01:10:57,250 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 01:10:57,250 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a983e59-c841-42ef-b816-ab6385c73481/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound5.c [2024-12-06 01:10:57,261 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a983e59-c841-42ef-b816-ab6385c73481/bin/ukojak-verify-CZk0znPC7b/data/43ac8b57f/38aa2a69e7ec4206ad2f5c898cfdadb2/FLAG410848c42 [2024-12-06 01:10:57,572 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a983e59-c841-42ef-b816-ab6385c73481/bin/ukojak-verify-CZk0znPC7b/data/43ac8b57f/38aa2a69e7ec4206ad2f5c898cfdadb2 [2024-12-06 01:10:57,575 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 01:10:57,577 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 01:10:57,578 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 01:10:57,578 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 01:10:57,582 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 01:10:57,583 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:10:57" (1/1) ... [2024-12-06 01:10:57,584 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e729525 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:10:57, skipping insertion in model container [2024-12-06 01:10:57,584 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:10:57" (1/1) ... [2024-12-06 01:10:57,598 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 01:10:57,741 WARN L250 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_7a983e59-c841-42ef-b816-ab6385c73481/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound5.c[537,550] [2024-12-06 01:10:57,757 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:10:57,766 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 01:10:57,776 WARN L250 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_7a983e59-c841-42ef-b816-ab6385c73481/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound5.c[537,550] [2024-12-06 01:10:57,782 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:10:57,796 INFO L204 MainTranslator]: Completed translation [2024-12-06 01:10:57,797 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:10:57 WrapperNode [2024-12-06 01:10:57,797 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 01:10:57,798 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 01:10:57,798 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 01:10:57,798 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 01:10:57,804 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:10:57" (1/1) ... [2024-12-06 01:10:57,811 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:10:57" (1/1) ... [2024-12-06 01:10:57,824 INFO L138 Inliner]: procedures = 14, calls = 22, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 52 [2024-12-06 01:10:57,825 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 01:10:57,825 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 01:10:57,825 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 01:10:57,825 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 01:10:57,830 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:10:57" (1/1) ... [2024-12-06 01:10:57,830 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:10:57" (1/1) ... [2024-12-06 01:10:57,832 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:10:57" (1/1) ... [2024-12-06 01:10:57,832 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:10:57" (1/1) ... [2024-12-06 01:10:57,837 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:10:57" (1/1) ... [2024-12-06 01:10:57,837 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:10:57" (1/1) ... [2024-12-06 01:10:57,840 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:10:57" (1/1) ... [2024-12-06 01:10:57,841 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:10:57" (1/1) ... [2024-12-06 01:10:57,842 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:10:57" (1/1) ... [2024-12-06 01:10:57,844 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 01:10:57,845 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 01:10:57,845 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 01:10:57,845 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 01:10:57,846 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:10:57" (1/1) ... [2024-12-06 01:10:57,851 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:10:57,862 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a983e59-c841-42ef-b816-ab6385c73481/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 01:10:57,872 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a983e59-c841-42ef-b816-ab6385c73481/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 01:10:57,875 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a983e59-c841-42ef-b816-ab6385c73481/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 01:10:57,898 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 01:10:57,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 01:10:57,898 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-06 01:10:57,898 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-06 01:10:57,898 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 01:10:57,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 01:10:57,899 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-06 01:10:57,899 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-06 01:10:57,952 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 01:10:57,954 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 01:10:58,106 INFO L? ?]: Removed 5 outVars from TransFormulas that were not future-live. [2024-12-06 01:10:58,106 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 01:10:58,158 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 01:10:58,158 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-06 01:10:58,159 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:10:58 BoogieIcfgContainer [2024-12-06 01:10:58,159 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 01:10:58,160 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 01:10:58,160 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 01:10:58,169 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 01:10:58,169 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:10:58" (1/1) ... [2024-12-06 01:10:58,176 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 01:10:58,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:10:58,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 22 states and 30 transitions. [2024-12-06 01:10:58,238 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 30 transitions. [2024-12-06 01:10:58,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-06 01:10:58,243 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:10:58,243 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:10:58,244 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a983e59-c841-42ef-b816-ab6385c73481/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:10:58,246 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a983e59-c841-42ef-b816-ab6385c73481/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:10:58,248 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a983e59-c841-42ef-b816-ab6385c73481/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 01:10:58,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:10:58,393 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:10:58,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:10:58,450 INFO L256 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-12-06 01:10:58,456 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:10:58,818 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 01:10:58,822 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a983e59-c841-42ef-b816-ab6385c73481/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 01:10:59,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:10:59,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 25 states and 35 transitions. [2024-12-06 01:10:59,434 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 35 transitions. [2024-12-06 01:10:59,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-12-06 01:10:59,435 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:10:59,435 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:10:59,435 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a983e59-c841-42ef-b816-ab6385c73481/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:10:59,438 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a983e59-c841-42ef-b816-ab6385c73481/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:10:59,440 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a983e59-c841-42ef-b816-ab6385c73481/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-06 01:10:59,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:10:59,492 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:10:59,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:10:59,543 INFO L256 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-06 01:10:59,547 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:11:00,904 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 01:11:00,909 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a983e59-c841-42ef-b816-ab6385c73481/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-12-06 01:11:02,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:11:02,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 44 transitions. [2024-12-06 01:11:02,739 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 44 transitions. [2024-12-06 01:11:02,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-12-06 01:11:02,740 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:11:02,740 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:11:02,741 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a983e59-c841-42ef-b816-ab6385c73481/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:11:02,742 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a983e59-c841-42ef-b816-ab6385c73481/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:11:02,743 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a983e59-c841-42ef-b816-ab6385c73481/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-12-06 01:11:02,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:11:02,898 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:11:02,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:11:02,996 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-12-06 01:11:02,999 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:11:03,985 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-12-06 01:11:03,989 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a983e59-c841-42ef-b816-ab6385c73481/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-12-06 01:11:09,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:11:09,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 32 states and 52 transitions. [2024-12-06 01:11:09,034 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 52 transitions. [2024-12-06 01:11:09,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-12-06 01:11:09,035 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:11:09,035 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:11:09,036 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a983e59-c841-42ef-b816-ab6385c73481/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:11:09,037 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a983e59-c841-42ef-b816-ab6385c73481/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:11:09,038 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a983e59-c841-42ef-b816-ab6385c73481/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-12-06 01:11:09,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:11:09,354 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:11:09,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:11:09,523 INFO L256 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-12-06 01:11:09,526 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:11:12,114 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-12-06 01:11:12,118 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a983e59-c841-42ef-b816-ab6385c73481/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2024-12-06 01:11:20,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:11:20,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 34 states and 57 transitions. [2024-12-06 01:11:20,979 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 57 transitions. [2024-12-06 01:11:20,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 01:11:20,980 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:11:20,980 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:11:20,980 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a983e59-c841-42ef-b816-ab6385c73481/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:11:20,982 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a983e59-c841-42ef-b816-ab6385c73481/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:11:20,983 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a983e59-c841-42ef-b816-ab6385c73481/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-12-06 01:11:21,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:11:21,446 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:11:21,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:11:21,623 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-12-06 01:11:21,629 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:11:32,328 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 3 proven. 12 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2024-12-06 01:11:32,333 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a983e59-c841-42ef-b816-ab6385c73481/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-12-06 01:11:53,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:11:53,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 36 states and 62 transitions. [2024-12-06 01:11:53,258 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 62 transitions. [2024-12-06 01:11:53,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-12-06 01:11:53,259 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:11:53,259 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:11:53,259 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a983e59-c841-42ef-b816-ab6385c73481/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:11:53,261 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a983e59-c841-42ef-b816-ab6385c73481/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:11:53,262 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a983e59-c841-42ef-b816-ab6385c73481/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-12-06 01:11:53,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:11:53,824 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:11:54,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:11:54,099 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 36 conjuncts are in the unsatisfiable core [2024-12-06 01:11:54,103 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:12:12,845 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 5 proven. 28 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-12-06 01:12:12,852 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a983e59-c841-42ef-b816-ab6385c73481/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-12-06 01:12:27,174 WARN L286 SmtUtils]: Spent 12.84s on a formula simplification. DAG size of input: 163 DAG size of output: 155 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 01:12:37,737 WARN L286 SmtUtils]: Spent 7.74s on a formula simplification that was a NOOP. DAG size: 156 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 01:12:51,058 WARN L286 SmtUtils]: Spent 6.66s on a formula simplification. DAG size of input: 206 DAG size of output: 205 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 01:12:58,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:12:58,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 38 states and 67 transitions. [2024-12-06 01:12:58,212 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 67 transitions. [2024-12-06 01:12:58,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-12-06 01:12:58,213 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:12:58,213 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:12:58,213 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a983e59-c841-42ef-b816-ab6385c73481/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:12:58,215 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a983e59-c841-42ef-b816-ab6385c73481/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:12:58,216 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a983e59-c841-42ef-b816-ab6385c73481/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-12-06 01:12:58,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:12:58,929 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:12:59,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:12:59,164 INFO L256 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-12-06 01:12:59,167 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:13:22,357 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 15 proven. 38 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-12-06 01:13:22,365 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a983e59-c841-42ef-b816-ab6385c73481/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Forceful destruction successful, exit code 0 [2024-12-06 01:13:39,269 WARN L286 SmtUtils]: Spent 5.12s on a formula simplification. DAG size of input: 172 DAG size of output: 111 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 01:13:57,138 WARN L286 SmtUtils]: Spent 16.36s on a formula simplification. DAG size of input: 174 DAG size of output: 142 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 01:14:12,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:14:12,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 28 states and 41 transitions. [2024-12-06 01:14:12,397 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 41 transitions. [2024-12-06 01:14:12,398 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-12-06 01:14:12,398 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 8 iterations. [2024-12-06 01:14:12,404 INFO L726 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-12-06 01:14:21,012 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-12-06 01:14:21,012 INFO L77 FloydHoareUtils]: At program point L29(line 29) the Hoare annotation is: true [2024-12-06 01:14:21,012 INFO L77 FloydHoareUtils]: At program point L27(line 27) the Hoare annotation is: (not (and (not (bvuge |ULTIMATE.start_main_~b~0#1| (_ bv1 32))) (bvuge |ULTIMATE.start_main_~a~0#1| (_ bv1 32)) (bvule |ULTIMATE.start_main_~a~0#1| (_ bv5 32)))) [2024-12-06 01:14:21,012 INFO L77 FloydHoareUtils]: At program point L25(line 25) the Hoare annotation is: (bvule |ULTIMATE.start_main_~a~0#1| (_ bv5 32)) [2024-12-06 01:14:21,012 INFO L77 FloydHoareUtils]: At program point L25-1(line 25) the Hoare annotation is: true [2024-12-06 01:14:21,013 INFO L77 FloydHoareUtils]: At program point L23(line 23) the Hoare annotation is: true [2024-12-06 01:14:21,013 INFO L77 FloydHoareUtils]: At program point L23-1(line 23) the Hoare annotation is: (bvule |ULTIMATE.start_main_~a~0#1| (_ bv5 32)) [2024-12-06 01:14:21,013 INFO L77 FloydHoareUtils]: At program point L52(line 52) the Hoare annotation is: true [2024-12-06 01:14:21,013 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-12-06 01:14:21,013 INFO L77 FloydHoareUtils]: At program point L38(lines 37 50) the Hoare annotation is: true [2024-12-06 01:14:21,013 INFO L77 FloydHoareUtils]: At program point L30(line 30) the Hoare annotation is: true [2024-12-06 01:14:21,013 INFO L77 FloydHoareUtils]: At program point L26(line 26) the Hoare annotation is: true [2024-12-06 01:14:21,013 INFO L77 FloydHoareUtils]: At program point L43-2(lines 37 50) the Hoare annotation is: true [2024-12-06 01:14:21,013 INFO L77 FloydHoareUtils]: At program point L37-2(lines 37 50) the Hoare annotation is: true [2024-12-06 01:14:21,013 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(lines 8 10) the Hoare annotation is: true [2024-12-06 01:14:21,013 INFO L77 FloydHoareUtils]: At program point assume_abort_if_notEXIT(lines 8 10) the Hoare annotation is: (not (= (_ bv0 32) |assume_abort_if_not_#in~cond|)) [2024-12-06 01:14:21,014 INFO L77 FloydHoareUtils]: At program point L13(lines 13 14) the Hoare annotation is: true [2024-12-06 01:14:21,014 INFO L77 FloydHoareUtils]: At program point L12(lines 12 15) the Hoare annotation is: (not (and (= (_ bv1 32) __VERIFIER_assert_~cond) (not (= __VERIFIER_assert_~cond |__VERIFIER_assert_#in~cond|)))) [2024-12-06 01:14:21,014 INFO L77 FloydHoareUtils]: At program point L12-2(lines 11 17) the Hoare annotation is: true [2024-12-06 01:14:21,014 INFO L77 FloydHoareUtils]: At program point __VERIFIER_assertEXIT(lines 11 17) the Hoare annotation is: true [2024-12-06 01:14:21,014 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(lines 11 17) the Hoare annotation is: true [2024-12-06 01:14:21,014 INFO L77 FloydHoareUtils]: At program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 14) the Hoare annotation is: true [2024-12-06 01:14:21,024 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 01:14:21 ImpRootNode [2024-12-06 01:14:21,024 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 01:14:21,025 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 01:14:21,025 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 01:14:21,025 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 01:14:21,026 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:10:58" (3/4) ... [2024-12-06 01:14:21,027 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-12-06 01:14:21,029 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2024-12-06 01:14:21,030 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2024-12-06 01:14:21,032 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2024-12-06 01:14:21,032 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2024-12-06 01:14:21,032 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-12-06 01:14:21,032 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-12-06 01:14:21,032 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-12-06 01:14:21,095 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a983e59-c841-42ef-b816-ab6385c73481/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-06 01:14:21,096 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a983e59-c841-42ef-b816-ab6385c73481/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-06 01:14:21,096 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 01:14:21,097 INFO L158 Benchmark]: Toolchain (without parser) took 203520.01ms. Allocated memory was 92.3MB in the beginning and 184.5MB in the end (delta: 92.3MB). Free memory was 70.0MB in the beginning and 95.2MB in the end (delta: -25.2MB). Peak memory consumption was 65.8MB. Max. memory is 16.1GB. [2024-12-06 01:14:21,097 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 83.9MB. Free memory is still 48.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:14:21,097 INFO L158 Benchmark]: CACSL2BoogieTranslator took 219.28ms. Allocated memory is still 92.3MB. Free memory was 69.8MB in the beginning and 58.2MB in the end (delta: 11.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 01:14:21,097 INFO L158 Benchmark]: Boogie Procedure Inliner took 26.84ms. Allocated memory is still 92.3MB. Free memory was 58.1MB in the beginning and 56.9MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:14:21,097 INFO L158 Benchmark]: Boogie Preprocessor took 18.61ms. Allocated memory is still 92.3MB. Free memory was 56.9MB in the beginning and 56.0MB in the end (delta: 889.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:14:21,098 INFO L158 Benchmark]: RCFGBuilder took 314.54ms. Allocated memory is still 92.3MB. Free memory was 56.0MB in the beginning and 42.3MB in the end (delta: 13.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 01:14:21,098 INFO L158 Benchmark]: CodeCheck took 202864.79ms. Allocated memory was 92.3MB in the beginning and 184.5MB in the end (delta: 92.3MB). Free memory was 42.3MB in the beginning and 99.4MB in the end (delta: -57.1MB). Peak memory consumption was 32.2MB. Max. memory is 16.1GB. [2024-12-06 01:14:21,098 INFO L158 Benchmark]: Witness Printer took 70.85ms. Allocated memory is still 184.5MB. Free memory was 99.4MB in the beginning and 95.2MB in the end (delta: 4.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 01:14:21,100 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 3 procedures, 22 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 194.2s, OverallIterations: 8, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 383 SdHoareTripleChecker+Valid, 24.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 81 mSDsluCounter, 226 SdHoareTripleChecker+Invalid, 22.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 26 mSDsCounter, 371 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1100 IncrementalHoareTripleChecker+Invalid, 1471 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 371 mSolverCounterUnsat, 200 mSDtfsCounter, 1100 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2230 GetRequests, 2113 SyntacticMatches, 49 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1742 ImplicationChecksByTransitivity, 150.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 58.0s InterpolantComputationTime, 271 NumberOfCodeBlocks, 271 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 264 ConstructedInterpolants, 0 QuantifiedInterpolants, 6301 SizeOfPredicates, 10 NumberOfNonLiveVariables, 563 ConjunctsInSsa, 179 ConjunctsInUnsatCore, 7 InterpolantComputations, 0 PerfectInterpolantSequences, 282/377 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - PositiveResult [Line: 14]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - ProcedureContractResult [Line: 8]: Procedure Contract for assume_abort_if_not Derived contract for procedure assume_abort_if_not. Ensures: (0 != cond) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 83.9MB. Free memory is still 48.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 219.28ms. Allocated memory is still 92.3MB. Free memory was 69.8MB in the beginning and 58.2MB in the end (delta: 11.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 26.84ms. Allocated memory is still 92.3MB. Free memory was 58.1MB in the beginning and 56.9MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 18.61ms. Allocated memory is still 92.3MB. Free memory was 56.9MB in the beginning and 56.0MB in the end (delta: 889.4kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 314.54ms. Allocated memory is still 92.3MB. Free memory was 56.0MB in the beginning and 42.3MB in the end (delta: 13.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 202864.79ms. Allocated memory was 92.3MB in the beginning and 184.5MB in the end (delta: 92.3MB). Free memory was 42.3MB in the beginning and 99.4MB in the end (delta: -57.1MB). Peak memory consumption was 32.2MB. Max. memory is 16.1GB. * Witness Printer took 70.85ms. Allocated memory is still 184.5MB. Free memory was 99.4MB in the beginning and 95.2MB in the end (delta: 4.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-12-06 01:14:21,141 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a983e59-c841-42ef-b816-ab6385c73481/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE