./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench/geo1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 30e01a73 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_cffe9440-d15b-47b4-a2dc-189d86194f9f/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cffe9440-d15b-47b4-a2dc-189d86194f9f/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cffe9440-d15b-47b4-a2dc-189d86194f9f/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cffe9440-d15b-47b4-a2dc-189d86194f9f/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench/geo1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cffe9440-d15b-47b4-a2dc-189d86194f9f/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cffe9440-d15b-47b4-a2dc-189d86194f9f/bin/ukojak-verify-1t5iHCbJaC --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 389595d9d0555c48291ffb178035898d9d6e5907e140ab3bbb21475071e40bef --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:23:24,005 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:23:24,105 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cffe9440-d15b-47b4-a2dc-189d86194f9f/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-23 20:23:24,109 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:23:24,110 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:23:24,135 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:23:24,136 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:23:24,137 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:23:24,138 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:23:24,138 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:23:24,139 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:23:24,139 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:23:24,140 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:23:24,140 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:23:24,141 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:23:24,141 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:23:24,142 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:23:24,143 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:23:24,143 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:23:24,144 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:23:24,144 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:23:24,145 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:23:24,146 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:23:24,146 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:23:24,147 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:23:24,147 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:23:24,148 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:23:24,148 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:23:24,149 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:23:24,149 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:23:24,150 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:23:24,151 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:23:24,151 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:23:24,152 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:23:24,152 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:23:24,153 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_cffe9440-d15b-47b4-a2dc-189d86194f9f/bin/ukojak-verify-1t5iHCbJaC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cffe9440-d15b-47b4-a2dc-189d86194f9f/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 389595d9d0555c48291ffb178035898d9d6e5907e140ab3bbb21475071e40bef [2023-11-23 20:23:24,443 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:23:24,474 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:23:24,476 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:23:24,478 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:23:24,479 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:23:24,480 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cffe9440-d15b-47b4-a2dc-189d86194f9f/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/nla-digbench/geo1.c [2023-11-23 20:23:27,618 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:23:27,855 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:23:27,856 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cffe9440-d15b-47b4-a2dc-189d86194f9f/sv-benchmarks/c/nla-digbench/geo1.c [2023-11-23 20:23:27,866 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cffe9440-d15b-47b4-a2dc-189d86194f9f/bin/ukojak-verify-1t5iHCbJaC/data/1e8b61beb/2671aae33375472199699903f579e70d/FLAG733079c28 [2023-11-23 20:23:27,888 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cffe9440-d15b-47b4-a2dc-189d86194f9f/bin/ukojak-verify-1t5iHCbJaC/data/1e8b61beb/2671aae33375472199699903f579e70d [2023-11-23 20:23:27,894 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:23:27,897 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:23:27,903 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:23:27,903 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:23:27,910 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:23:27,911 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:23:27" (1/1) ... [2023-11-23 20:23:27,914 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a1be1f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:23:27, skipping insertion in model container [2023-11-23 20:23:27,915 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:23:27" (1/1) ... [2023-11-23 20:23:27,945 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:23:28,172 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:23:28,191 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:23:28,217 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:23:28,234 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:23:28,234 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:23:28 WrapperNode [2023-11-23 20:23:28,234 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:23:28,236 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:23:28,236 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:23:28,236 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:23:28,245 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:23:28" (1/1) ... [2023-11-23 20:23:28,264 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:23:28" (1/1) ... [2023-11-23 20:23:28,289 INFO L138 Inliner]: procedures = 14, calls = 17, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 76 [2023-11-23 20:23:28,290 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:23:28,291 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:23:28,291 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:23:28,291 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:23:28,301 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:23:28" (1/1) ... [2023-11-23 20:23:28,302 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:23:28" (1/1) ... [2023-11-23 20:23:28,303 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:23:28" (1/1) ... [2023-11-23 20:23:28,304 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:23:28" (1/1) ... [2023-11-23 20:23:28,307 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:23:28" (1/1) ... [2023-11-23 20:23:28,311 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:23:28" (1/1) ... [2023-11-23 20:23:28,312 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:23:28" (1/1) ... [2023-11-23 20:23:28,313 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:23:28" (1/1) ... [2023-11-23 20:23:28,318 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:23:28,319 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:23:28,320 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:23:28,320 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:23:28,321 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:23:28" (1/1) ... [2023-11-23 20:23:28,327 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:23:28,339 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cffe9440-d15b-47b4-a2dc-189d86194f9f/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:23:28,352 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cffe9440-d15b-47b4-a2dc-189d86194f9f/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:23:28,370 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cffe9440-d15b-47b4-a2dc-189d86194f9f/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:23:28,394 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:23:28,394 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:23:28,395 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:23:28,395 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:23:28,395 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-23 20:23:28,395 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-23 20:23:28,459 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:23:28,462 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:23:28,847 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:23:28,890 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:23:28,890 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 20:23:28,904 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:23:28 BoogieIcfgContainer [2023-11-23 20:23:28,904 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:23:28,905 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:23:28,905 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:23:28,916 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:23:28,917 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:23:28" (1/1) ... [2023-11-23 20:23:28,926 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:23:28,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:23:28,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 57 states and 59 transitions. [2023-11-23 20:23:28,986 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 59 transitions. [2023-11-23 20:23:28,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-23 20:23:28,991 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:23:28,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:23:29,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:23:29,185 INFO L262 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:23:29,190 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:23:29,288 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:23:29,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:23:29,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 59 states and 61 transitions. [2023-11-23 20:23:29,347 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 61 transitions. [2023-11-23 20:23:29,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-23 20:23:29,348 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:23:29,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:23:29,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:23:29,385 INFO L262 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:23:29,386 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:23:29,416 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:23:29,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:23:29,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 62 states and 65 transitions. [2023-11-23 20:23:29,526 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 65 transitions. [2023-11-23 20:23:29,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-23 20:23:29,527 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:23:29,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:23:29,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:23:29,551 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 20:23:29,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:23:29,566 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 3 iterations. [2023-11-23 20:23:29,591 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 08:23:29 ImpRootNode [2023-11-23 20:23:29,591 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-23 20:23:29,592 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 20:23:29,592 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 20:23:29,592 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 20:23:29,593 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:23:28" (3/4) ... [2023-11-23 20:23:29,594 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-11-23 20:23:29,632 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cffe9440-d15b-47b4-a2dc-189d86194f9f/bin/ukojak-verify-1t5iHCbJaC/witness.graphml [2023-11-23 20:23:29,632 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 20:23:29,633 INFO L158 Benchmark]: Toolchain (without parser) took 1736.27ms. Allocated memory is still 127.9MB. Free memory was 85.8MB in the beginning and 64.3MB in the end (delta: 21.5MB). Peak memory consumption was 21.3MB. Max. memory is 16.1GB. [2023-11-23 20:23:29,634 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 98.6MB. Free memory was 67.5MB in the beginning and 67.5MB in the end (delta: 27.8kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:23:29,635 INFO L158 Benchmark]: CACSL2BoogieTranslator took 332.00ms. Allocated memory is still 127.9MB. Free memory was 85.4MB in the beginning and 74.9MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-23 20:23:29,635 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.30ms. Allocated memory is still 127.9MB. Free memory was 74.9MB in the beginning and 73.2MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:23:29,636 INFO L158 Benchmark]: Boogie Preprocessor took 27.43ms. Allocated memory is still 127.9MB. Free memory was 73.2MB in the beginning and 72.2MB in the end (delta: 967.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:23:29,636 INFO L158 Benchmark]: RCFGBuilder took 584.92ms. Allocated memory is still 127.9MB. Free memory was 72.2MB in the beginning and 92.2MB in the end (delta: -20.0MB). Peak memory consumption was 10.8MB. Max. memory is 16.1GB. [2023-11-23 20:23:29,637 INFO L158 Benchmark]: CodeCheck took 686.49ms. Allocated memory is still 127.9MB. Free memory was 92.2MB in the beginning and 65.9MB in the end (delta: 26.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2023-11-23 20:23:29,638 INFO L158 Benchmark]: Witness Printer took 40.54ms. Allocated memory is still 127.9MB. Free memory was 65.9MB in the beginning and 64.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:23:29,641 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 2 procedures, 57 locations, 24 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 8 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 8 mSDsluCounter, 12 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 8 mSDsCounter, 11 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 23 IncrementalHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 11 mSolverCounterUnsat, 4 mSDtfsCounter, 23 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 52 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 12 NumberOfCodeBlocks, 12 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 5 ConstructedInterpolants, 0 QuantifiedInterpolants, 39 SizeOfPredicates, 0 NumberOfNonLiveVariables, 95 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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: 33]: integer overflow possible integer overflow possible We found a FailurePath: [L23] int z, k; [L24] int x, y, c; [L25] z = __VERIFIER_nondet_int() [L26] k = __VERIFIER_nondet_int() [L28] x = 1 [L29] y = z [L30] c = 1 VAL [c=1, k=0, x=1, y=-2147483648, z=-2147483648] [L32] COND TRUE 1 VAL [c=1, k=0, x=1, y=-2147483648, z=-2147483648] [L33] EXPR x*z VAL [c=1, k=0, x=1, y=-2147483648, z=-2147483648] [L33] x*z - x VAL [c=1, k=0, x=1, y=-2147483648, z=-2147483648] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 98.6MB. Free memory was 67.5MB in the beginning and 67.5MB in the end (delta: 27.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 332.00ms. Allocated memory is still 127.9MB. Free memory was 85.4MB in the beginning and 74.9MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 54.30ms. Allocated memory is still 127.9MB. Free memory was 74.9MB in the beginning and 73.2MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.43ms. Allocated memory is still 127.9MB. Free memory was 73.2MB in the beginning and 72.2MB in the end (delta: 967.9kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 584.92ms. Allocated memory is still 127.9MB. Free memory was 72.2MB in the beginning and 92.2MB in the end (delta: -20.0MB). Peak memory consumption was 10.8MB. Max. memory is 16.1GB. * CodeCheck took 686.49ms. Allocated memory is still 127.9MB. Free memory was 92.2MB in the beginning and 65.9MB in the end (delta: 26.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Witness Printer took 40.54ms. Allocated memory is still 127.9MB. Free memory was 65.9MB in the beginning and 64.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2023-11-23 20:23:29,688 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cffe9440-d15b-47b4-a2dc-189d86194f9f/bin/ukojak-verify-1t5iHCbJaC/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)