./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-nla/hard-both-t.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ee91245-7212-4edc-8d0c-a79fe1b822e5/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ee91245-7212-4edc-8d0c-a79fe1b822e5/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ee91245-7212-4edc-8d0c-a79fe1b822e5/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ee91245-7212-4edc-8d0c-a79fe1b822e5/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-nla/hard-both-t.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ee91245-7212-4edc-8d0c-a79fe1b822e5/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ee91245-7212-4edc-8d0c-a79fe1b822e5/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c7cfcefaaac3e5ad4485a41db0ef9afcc8017185918390376965bc3ffc33f2ce --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:02:19,463 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:02:19,624 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ee91245-7212-4edc-8d0c-a79fe1b822e5/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-19 04:02:19,635 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:02:19,636 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 04:02:19,681 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:02:19,684 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:02:19,685 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 04:02:19,686 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 04:02:19,692 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 04:02:19,694 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:02:19,694 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:02:19,695 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:02:19,697 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:02:19,697 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:02:19,698 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:02:19,698 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:02:19,699 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:02:19,700 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:02:19,700 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 04:02:19,701 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 04:02:19,701 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:02:19,702 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:02:19,702 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:02:19,703 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 04:02:19,703 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 04:02:19,704 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 04:02:19,705 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:02:19,706 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:02:19,706 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:02:19,708 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:02:19,708 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:02:19,709 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 04:02:19,709 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:02:19,710 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:02:19,710 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_1ee91245-7212-4edc-8d0c-a79fe1b822e5/bin/ukojak-verify-G8NBE6pJGL/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ee91245-7212-4edc-8d0c-a79fe1b822e5/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c7cfcefaaac3e5ad4485a41db0ef9afcc8017185918390376965bc3ffc33f2ce [2023-11-19 04:02:20,016 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:02:20,073 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:02:20,077 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:02:20,078 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:02:20,079 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:02:20,081 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ee91245-7212-4edc-8d0c-a79fe1b822e5/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/termination-nla/hard-both-t.c [2023-11-19 04:02:23,493 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:02:23,736 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:02:23,736 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ee91245-7212-4edc-8d0c-a79fe1b822e5/sv-benchmarks/c/termination-nla/hard-both-t.c [2023-11-19 04:02:23,744 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ee91245-7212-4edc-8d0c-a79fe1b822e5/bin/ukojak-verify-G8NBE6pJGL/data/04eda1726/3d3d1b3b218e4804ae973c0b359360dc/FLAG38d1ec361 [2023-11-19 04:02:23,756 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ee91245-7212-4edc-8d0c-a79fe1b822e5/bin/ukojak-verify-G8NBE6pJGL/data/04eda1726/3d3d1b3b218e4804ae973c0b359360dc [2023-11-19 04:02:23,759 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:02:23,761 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:02:23,764 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:02:23,764 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:02:23,768 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:02:23,769 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:02:23" (1/1) ... [2023-11-19 04:02:23,770 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d74b1ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:02:23, skipping insertion in model container [2023-11-19 04:02:23,770 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:02:23" (1/1) ... [2023-11-19 04:02:23,792 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:02:23,952 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:02:23,958 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:02:23,974 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:02:23,990 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:02:23,990 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:02:23 WrapperNode [2023-11-19 04:02:23,990 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:02:23,992 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:02:23,992 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:02:23,992 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:02:24,001 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:02:23" (1/1) ... [2023-11-19 04:02:24,006 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:02:23" (1/1) ... [2023-11-19 04:02:24,027 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 66 [2023-11-19 04:02:24,028 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:02:24,029 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:02:24,029 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:02:24,029 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:02:24,040 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:02:23" (1/1) ... [2023-11-19 04:02:24,041 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:02:23" (1/1) ... [2023-11-19 04:02:24,042 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:02:23" (1/1) ... [2023-11-19 04:02:24,042 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:02:23" (1/1) ... [2023-11-19 04:02:24,046 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:02:23" (1/1) ... [2023-11-19 04:02:24,050 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:02:23" (1/1) ... [2023-11-19 04:02:24,052 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:02:23" (1/1) ... [2023-11-19 04:02:24,053 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:02:23" (1/1) ... [2023-11-19 04:02:24,055 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:02:24,056 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:02:24,056 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:02:24,056 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:02:24,057 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:02:23" (1/1) ... [2023-11-19 04:02:24,064 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:02:24,082 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ee91245-7212-4edc-8d0c-a79fe1b822e5/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 04:02:24,094 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ee91245-7212-4edc-8d0c-a79fe1b822e5/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 04:02:24,117 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ee91245-7212-4edc-8d0c-a79fe1b822e5/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 04:02:24,152 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:02:24,152 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:02:24,232 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:02:24,238 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:02:24,651 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:02:24,672 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:02:24,672 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 04:02:24,677 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:02:24 BoogieIcfgContainer [2023-11-19 04:02:24,678 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:02:24,679 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 04:02:24,679 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 04:02:24,695 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 04:02:24,695 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:02:24" (1/1) ... [2023-11-19 04:02:24,707 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:02:24,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:02:24,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 54 states and 59 transitions. [2023-11-19 04:02:24,781 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 59 transitions. [2023-11-19 04:02:24,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 04:02:24,783 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:02:24,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:02:24,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:02:24,894 INFO L262 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 04:02:24,899 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:02:25,003 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:02:25,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:02:25,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 56 states and 60 transitions. [2023-11-19 04:02:25,064 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 60 transitions. [2023-11-19 04:02:25,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-19 04:02:25,064 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:02:25,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:02:25,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:02:25,084 INFO L262 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 04:02:25,086 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:02:25,132 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:02:25,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:02:25,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 57 states and 62 transitions. [2023-11-19 04:02:25,260 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 62 transitions. [2023-11-19 04:02:25,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 04:02:25,261 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:02:25,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:02:25,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:02:25,291 INFO L262 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 04:02:25,292 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:02:25,346 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:02:25,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:02:25,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 60 states and 68 transitions. [2023-11-19 04:02:25,629 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 68 transitions. [2023-11-19 04:02:25,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 04:02:25,630 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:02:25,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:02:25,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:02:25,666 INFO L262 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 04:02:25,668 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:02:25,703 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:02:26,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:02:26,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 64 states and 77 transitions. [2023-11-19 04:02:26,092 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 77 transitions. [2023-11-19 04:02:26,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 04:02:26,092 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:02:26,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:02:26,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 04:02:26,120 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 04:02:26,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 04:02:26,165 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 5 iterations. [2023-11-19 04:02:26,193 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 04:02:26 ImpRootNode [2023-11-19 04:02:26,193 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 04:02:26,194 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 04:02:26,194 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 04:02:26,194 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 04:02:26,195 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:02:24" (3/4) ... [2023-11-19 04:02:26,196 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-11-19 04:02:26,240 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ee91245-7212-4edc-8d0c-a79fe1b822e5/bin/ukojak-verify-G8NBE6pJGL/witness.graphml [2023-11-19 04:02:26,241 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 04:02:26,242 INFO L158 Benchmark]: Toolchain (without parser) took 2480.90ms. Allocated memory is still 174.1MB. Free memory was 127.8MB in the beginning and 108.7MB in the end (delta: 19.2MB). Peak memory consumption was 17.8MB. Max. memory is 16.1GB. [2023-11-19 04:02:26,242 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 125.8MB. Free memory was 94.4MB in the beginning and 94.4MB in the end (delta: 27.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:02:26,243 INFO L158 Benchmark]: CACSL2BoogieTranslator took 227.18ms. Allocated memory is still 174.1MB. Free memory was 127.8MB in the beginning and 118.1MB in the end (delta: 9.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-19 04:02:26,244 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.39ms. Allocated memory is still 174.1MB. Free memory was 118.1MB in the beginning and 116.6MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 04:02:26,245 INFO L158 Benchmark]: Boogie Preprocessor took 26.23ms. Allocated memory is still 174.1MB. Free memory was 116.6MB in the beginning and 115.3MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 04:02:26,246 INFO L158 Benchmark]: RCFGBuilder took 621.85ms. Allocated memory is still 174.1MB. Free memory was 115.3MB in the beginning and 102.0MB in the end (delta: 13.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 04:02:26,246 INFO L158 Benchmark]: CodeCheck took 1514.52ms. Allocated memory is still 174.1MB. Free memory was 102.0MB in the beginning and 110.8MB in the end (delta: -8.8MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:02:26,247 INFO L158 Benchmark]: Witness Printer took 47.05ms. Allocated memory is still 174.1MB. Free memory was 110.8MB in the beginning and 108.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 04:02:26,251 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 1 procedures, 54 locations, 22 error locations. Started 1 CEGAR loops. OverallTime: 1.4s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 64 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 52 mSDsluCounter, 74 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 46 mSDsCounter, 37 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 119 IncrementalHoareTripleChecker+Invalid, 156 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 37 mSolverCounterUnsat, 28 mSDtfsCounter, 119 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 206 GetRequests, 172 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 349 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 32 NumberOfCodeBlocks, 32 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 20 ConstructedInterpolants, 0 QuantifiedInterpolants, 74 SizeOfPredicates, 1 NumberOfNonLiveVariables, 76 ConjunctsInSsa, 14 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 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 - CounterExampleResult [Line: 41]: integer overflow possible integer overflow possible We found a FailurePath: [L23] int A, B; [L24] int r, d, p, q; [L25] A = __VERIFIER_nondet_int() [L26] B = __VERIFIER_nondet_int() [L28] COND FALSE !(B < 1) [L30] r = A [L31] d = B [L32] p = 1 [L33] q = 0 VAL [A=1073741824, B=1073741824, d=1073741824, p=1, q=0, r=1073741824] [L35] COND TRUE 1 VAL [A=1073741824, B=1073741824, d=1073741824, p=1, q=0, r=1073741824] [L39] EXPR B * p VAL [A=1073741824, B=1073741824, d=1073741824, p=1, q=0, r=1073741824] [L39] COND FALSE !(!(r >= B * p)) VAL [A=1073741824, B=1073741824, d=1073741824, p=1, q=0, r=1073741824] [L41] 2 * d VAL [A=1073741824, B=1073741824, d=1073741824, p=1, q=0, r=1073741824] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 125.8MB. Free memory was 94.4MB in the beginning and 94.4MB in the end (delta: 27.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 227.18ms. Allocated memory is still 174.1MB. Free memory was 127.8MB in the beginning and 118.1MB in the end (delta: 9.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.39ms. Allocated memory is still 174.1MB. Free memory was 118.1MB in the beginning and 116.6MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.23ms. Allocated memory is still 174.1MB. Free memory was 116.6MB in the beginning and 115.3MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 621.85ms. Allocated memory is still 174.1MB. Free memory was 115.3MB in the beginning and 102.0MB in the end (delta: 13.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 1514.52ms. Allocated memory is still 174.1MB. Free memory was 102.0MB in the beginning and 110.8MB in the end (delta: -8.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 47.05ms. Allocated memory is still 174.1MB. Free memory was 110.8MB in the beginning and 108.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2023-11-19 04:02:26,298 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ee91245-7212-4edc-8d0c-a79fe1b822e5/bin/ukojak-verify-G8NBE6pJGL/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 Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)