./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-nla/geo2-both-nt.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5fa5d24-946f-4db3-bda7-dc4a9f364a87/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5fa5d24-946f-4db3-bda7-dc4a9f364a87/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5fa5d24-946f-4db3-bda7-dc4a9f364a87/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5fa5d24-946f-4db3-bda7-dc4a9f364a87/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-nla/geo2-both-nt.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5fa5d24-946f-4db3-bda7-dc4a9f364a87/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5fa5d24-946f-4db3-bda7-dc4a9f364a87/bin/ukojak-verify-ImItNfHLgk --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 4c346fb221a00d06e6ee0c1e3f36ca32d6948aaf4526d1ed75b2c23fdf71aba5 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:35:01,163 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:35:01,250 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5fa5d24-946f-4db3-bda7-dc4a9f364a87/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-32bit-Kojak_Default.epf [2024-11-08 23:35:01,256 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 23:35:01,259 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 23:35:01,292 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:35:01,294 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:35:01,295 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:35:01,296 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:35:01,297 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:35:01,298 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:35:01,298 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:35:01,299 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 23:35:01,301 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 23:35:01,302 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 23:35:01,302 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:35:01,303 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:35:01,303 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:35:01,304 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:35:01,304 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:35:01,305 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 23:35:01,309 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 23:35:01,310 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 23:35:01,310 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:35:01,310 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:35:01,311 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:35:01,311 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:35:01,312 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:35:01,312 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:35:01,312 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:35:01,313 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:35:01,313 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:35:01,313 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:35:01,314 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 23:35:01,314 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 23:35:01,314 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_a5fa5d24-946f-4db3-bda7-dc4a9f364a87/bin/ukojak-verify-ImItNfHLgk/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5fa5d24-946f-4db3-bda7-dc4a9f364a87/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4c346fb221a00d06e6ee0c1e3f36ca32d6948aaf4526d1ed75b2c23fdf71aba5 [2024-11-08 23:35:01,597 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:35:01,649 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:35:01,651 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:35:01,652 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:35:01,653 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:35:01,654 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5fa5d24-946f-4db3-bda7-dc4a9f364a87/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/termination-nla/geo2-both-nt.c Unable to find full path for "g++" [2024-11-08 23:35:03,738 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:35:03,920 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:35:03,920 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5fa5d24-946f-4db3-bda7-dc4a9f364a87/sv-benchmarks/c/termination-nla/geo2-both-nt.c [2024-11-08 23:35:03,928 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5fa5d24-946f-4db3-bda7-dc4a9f364a87/bin/ukojak-verify-ImItNfHLgk/data/bf01577a4/9612d860920643749fc0737d45c747a4/FLAG0fbf19bae [2024-11-08 23:35:03,944 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5fa5d24-946f-4db3-bda7-dc4a9f364a87/bin/ukojak-verify-ImItNfHLgk/data/bf01577a4/9612d860920643749fc0737d45c747a4 [2024-11-08 23:35:03,947 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:35:03,948 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:35:03,950 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:35:03,950 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:35:03,956 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:35:03,957 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:35:03" (1/1) ... [2024-11-08 23:35:03,959 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a7be84f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:35:03, skipping insertion in model container [2024-11-08 23:35:03,959 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:35:03" (1/1) ... [2024-11-08 23:35:03,980 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:35:04,164 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:35:04,169 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:35:04,181 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:35:04,195 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:35:04,195 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:35:04 WrapperNode [2024-11-08 23:35:04,196 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:35:04,197 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:35:04,197 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:35:04,197 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:35:04,203 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:35:04" (1/1) ... [2024-11-08 23:35:04,208 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:35:04" (1/1) ... [2024-11-08 23:35:04,227 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 46 [2024-11-08 23:35:04,228 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:35:04,228 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:35:04,229 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:35:04,229 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:35:04,239 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:35:04" (1/1) ... [2024-11-08 23:35:04,239 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:35:04" (1/1) ... [2024-11-08 23:35:04,240 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:35:04" (1/1) ... [2024-11-08 23:35:04,241 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:35:04" (1/1) ... [2024-11-08 23:35:04,244 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:35:04" (1/1) ... [2024-11-08 23:35:04,250 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:35:04" (1/1) ... [2024-11-08 23:35:04,252 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:35:04" (1/1) ... [2024-11-08 23:35:04,257 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:35:04" (1/1) ... [2024-11-08 23:35:04,258 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:35:04,263 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:35:04,263 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:35:04,264 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:35:04,265 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:35:04" (1/1) ... [2024-11-08 23:35:04,271 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:35:04,285 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5fa5d24-946f-4db3-bda7-dc4a9f364a87/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:35:04,300 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5fa5d24-946f-4db3-bda7-dc4a9f364a87/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:35:04,305 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5fa5d24-946f-4db3-bda7-dc4a9f364a87/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:35:04,340 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:35:04,341 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:35:04,407 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:35:04,410 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:35:04,763 INFO L? ?]: Removed 42 outVars from TransFormulas that were not future-live. [2024-11-08 23:35:04,763 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:35:04,808 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:35:04,809 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 23:35:04,809 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:35:04 BoogieIcfgContainer [2024-11-08 23:35:04,809 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:35:04,813 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:35:04,813 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:35:04,829 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:35:04,829 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:35:04" (1/1) ... [2024-11-08 23:35:04,841 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:35:04,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:35:04,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 41 states and 42 transitions. [2024-11-08 23:35:04,934 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 42 transitions. [2024-11-08 23:35:04,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-08 23:35:04,937 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:35:04,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:35:05,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:35:05,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:35:05,063 INFO L255 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:35:05,070 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:35:05,135 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:35:05,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:35:05,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 43 states and 44 transitions. [2024-11-08 23:35:05,185 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 44 transitions. [2024-11-08 23:35:05,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-08 23:35:05,185 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:35:05,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:35:05,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:35:05,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:35:05,201 INFO L255 TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:35:05,202 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:35:05,240 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:35:05,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:35:05,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 46 states and 48 transitions. [2024-11-08 23:35:05,377 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 48 transitions. [2024-11-08 23:35:05,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-08 23:35:05,378 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:35:05,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:35:05,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:35:05,477 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:35:05,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:35:05,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 47 states and 50 transitions. [2024-11-08 23:35:05,683 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 50 transitions. [2024-11-08 23:35:05,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-08 23:35:05,684 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:35:05,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:35:05,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:35:05,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:35:05,705 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:35:05,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:35:05,719 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 4 iterations. [2024-11-08 23:35:05,744 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 11:35:05 ImpRootNode [2024-11-08 23:35:05,744 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 23:35:05,745 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 23:35:05,745 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 23:35:05,745 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 23:35:05,746 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:35:04" (3/4) ... [2024-11-08 23:35:05,747 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-08 23:35:05,786 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5fa5d24-946f-4db3-bda7-dc4a9f364a87/bin/ukojak-verify-ImItNfHLgk/witness.graphml [2024-11-08 23:35:05,786 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 23:35:05,787 INFO L158 Benchmark]: Toolchain (without parser) took 1838.50ms. Allocated memory is still 155.2MB. Free memory was 116.1MB in the beginning and 97.8MB in the end (delta: 18.3MB). Peak memory consumption was 17.3MB. Max. memory is 16.1GB. [2024-11-08 23:35:05,787 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 107.0MB. Free memory is still 84.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:35:05,788 INFO L158 Benchmark]: CACSL2BoogieTranslator took 246.29ms. Allocated memory is still 155.2MB. Free memory was 116.1MB in the beginning and 104.6MB in the end (delta: 11.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-08 23:35:05,788 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.37ms. Allocated memory is still 155.2MB. Free memory was 104.6MB in the beginning and 103.2MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:35:05,789 INFO L158 Benchmark]: Boogie Preprocessor took 29.92ms. Allocated memory is still 155.2MB. Free memory was 103.2MB in the beginning and 102.1MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:35:05,789 INFO L158 Benchmark]: RCFGBuilder took 546.46ms. Allocated memory is still 155.2MB. Free memory was 102.1MB in the beginning and 89.2MB in the end (delta: 12.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-08 23:35:05,790 INFO L158 Benchmark]: CodeCheck took 931.27ms. Allocated memory is still 155.2MB. Free memory was 89.2MB in the beginning and 99.2MB in the end (delta: -10.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:35:05,791 INFO L158 Benchmark]: Witness Printer took 41.04ms. Allocated memory is still 155.2MB. Free memory was 99.2MB in the beginning and 97.8MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:35:05,794 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, 41 locations, 18 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 18 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 17 mSDsluCounter, 20 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 14 mSDsCounter, 19 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 50 IncrementalHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 19 mSolverCounterUnsat, 6 mSDtfsCounter, 50 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 84 GetRequests, 71 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 18 NumberOfCodeBlocks, 18 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 55 SizeOfPredicates, 0 NumberOfNonLiveVariables, 29 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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: 34]: integer overflow possible integer overflow possible We found a FailurePath: [L22] int z, k; [L23] int x, y, c; [L24] z = __VERIFIER_nondet_int() [L25] k = __VERIFIER_nondet_int() [L27] x = 1 [L28] y = 1 [L29] c = 1 VAL [c=1, x=1, y=1, z=2147483647] [L31] COND TRUE 1 VAL [c=1, x=1, y=1, z=2147483647] [L34] EXPR x*z VAL [c=1, x=1, y=1, z=2147483647] [L34] 1 + x*z VAL [c=1, y=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 107.0MB. Free memory is still 84.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 246.29ms. Allocated memory is still 155.2MB. Free memory was 116.1MB in the beginning and 104.6MB in the end (delta: 11.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 31.37ms. Allocated memory is still 155.2MB. Free memory was 104.6MB in the beginning and 103.2MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.92ms. Allocated memory is still 155.2MB. Free memory was 103.2MB in the beginning and 102.1MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 546.46ms. Allocated memory is still 155.2MB. Free memory was 102.1MB in the beginning and 89.2MB in the end (delta: 12.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 931.27ms. Allocated memory is still 155.2MB. Free memory was 89.2MB in the beginning and 99.2MB in the end (delta: -10.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 41.04ms. Allocated memory is still 155.2MB. Free memory was 99.2MB in the beginning and 97.8MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-11-08 23:35:05,819 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5fa5d24-946f-4db3-bda7-dc4a9f364a87/bin/ukojak-verify-ImItNfHLgk/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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)