./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-nla/geo1-both-t.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version cf1a7837 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_2bdd68ab-0382-4724-94b2-14ce5ee8099e/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bdd68ab-0382-4724-94b2-14ce5ee8099e/bin/ukojak-verify-0OAaufAVZV/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bdd68ab-0382-4724-94b2-14ce5ee8099e/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bdd68ab-0382-4724-94b2-14ce5ee8099e/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-nla/geo1-both-t.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bdd68ab-0382-4724-94b2-14ce5ee8099e/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bdd68ab-0382-4724-94b2-14ce5ee8099e/bin/ukojak-verify-0OAaufAVZV --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 02059a7c4b7b922395986679dcda00ae0f1aedf3f381a067de494c2934fbed7c --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:03:04,019 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:03:04,147 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bdd68ab-0382-4724-94b2-14ce5ee8099e/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-12 00:03:04,155 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:03:04,157 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-12 00:03:04,194 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:03:04,196 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:03:04,197 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-12 00:03:04,198 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 00:03:04,203 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 00:03:04,205 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:03:04,205 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:03:04,206 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 00:03:04,208 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 00:03:04,208 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 00:03:04,209 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:03:04,209 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:03:04,210 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:03:04,210 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:03:04,211 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-12 00:03:04,211 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-12 00:03:04,212 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 00:03:04,214 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:03:04,214 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:03:04,215 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-12 00:03:04,215 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-12 00:03:04,216 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:03:04,217 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-12 00:03:04,217 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:03:04,218 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:03:04,219 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:03:04,220 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-12 00:03:04,220 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 00:03:04,221 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:03:04,221 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_2bdd68ab-0382-4724-94b2-14ce5ee8099e/bin/ukojak-verify-0OAaufAVZV/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bdd68ab-0382-4724-94b2-14ce5ee8099e/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 02059a7c4b7b922395986679dcda00ae0f1aedf3f381a067de494c2934fbed7c [2023-11-12 00:03:04,584 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:03:04,618 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:03:04,621 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:03:04,622 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:03:04,623 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:03:04,625 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bdd68ab-0382-4724-94b2-14ce5ee8099e/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/termination-nla/geo1-both-t.c [2023-11-12 00:03:07,665 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:03:07,883 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:03:07,885 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bdd68ab-0382-4724-94b2-14ce5ee8099e/sv-benchmarks/c/termination-nla/geo1-both-t.c [2023-11-12 00:03:07,894 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bdd68ab-0382-4724-94b2-14ce5ee8099e/bin/ukojak-verify-0OAaufAVZV/data/5391aa8b3/a44b202bc065414f9f1764f563e28512/FLAG911fc06eb [2023-11-12 00:03:07,913 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bdd68ab-0382-4724-94b2-14ce5ee8099e/bin/ukojak-verify-0OAaufAVZV/data/5391aa8b3/a44b202bc065414f9f1764f563e28512 [2023-11-12 00:03:07,920 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:03:07,921 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:03:07,925 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:03:07,925 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:03:07,931 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:03:07,932 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:03:07" (1/1) ... [2023-11-12 00:03:07,934 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7cc154c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:03:07, skipping insertion in model container [2023-11-12 00:03:07,934 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:03:07" (1/1) ... [2023-11-12 00:03:07,956 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:03:08,155 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:03:08,161 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:03:08,178 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:03:08,193 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:03:08,194 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:03:08 WrapperNode [2023-11-12 00:03:08,194 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:03:08,195 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:03:08,196 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:03:08,196 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:03:08,204 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:03:08" (1/1) ... [2023-11-12 00:03:08,209 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:03:08" (1/1) ... [2023-11-12 00:03:08,230 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 52 [2023-11-12 00:03:08,231 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:03:08,231 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:03:08,232 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:03:08,232 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:03:08,242 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:03:08" (1/1) ... [2023-11-12 00:03:08,243 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:03:08" (1/1) ... [2023-11-12 00:03:08,254 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:03:08" (1/1) ... [2023-11-12 00:03:08,255 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:03:08" (1/1) ... [2023-11-12 00:03:08,257 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:03:08" (1/1) ... [2023-11-12 00:03:08,261 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:03:08" (1/1) ... [2023-11-12 00:03:08,262 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:03:08" (1/1) ... [2023-11-12 00:03:08,263 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:03:08" (1/1) ... [2023-11-12 00:03:08,264 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:03:08,267 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:03:08,267 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:03:08,267 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:03:08,268 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:03:08" (1/1) ... [2023-11-12 00:03:08,275 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-12 00:03:08,287 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bdd68ab-0382-4724-94b2-14ce5ee8099e/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-12 00:03:08,300 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bdd68ab-0382-4724-94b2-14ce5ee8099e/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-12 00:03:08,312 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bdd68ab-0382-4724-94b2-14ce5ee8099e/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-12 00:03:08,340 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:03:08,340 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:03:08,394 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:03:08,396 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:03:08,653 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:03:08,683 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:03:08,688 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 00:03:08,691 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:03:08 BoogieIcfgContainer [2023-11-12 00:03:08,691 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:03:08,692 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-12 00:03:08,692 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-12 00:03:08,705 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-12 00:03:08,705 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:03:08" (1/1) ... [2023-11-12 00:03:08,715 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:03:08,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:03:08,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 48 states and 49 transitions. [2023-11-12 00:03:08,773 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 49 transitions. [2023-11-12 00:03:08,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-12 00:03:08,776 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:03:08,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:03:08,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:03:08,879 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:03:08,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:03:08,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 48 transitions. [2023-11-12 00:03:08,900 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 48 transitions. [2023-11-12 00:03:08,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-12 00:03:08,901 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:03:08,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:03:08,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:03:08,923 INFO L262 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-12 00:03:08,928 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:03:08,982 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:03:09,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:03:09,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 50 states and 51 transitions. [2023-11-12 00:03:09,029 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 51 transitions. [2023-11-12 00:03:09,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-12 00:03:09,030 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:03:09,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:03:09,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:03:09,047 INFO L262 TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-12 00:03:09,048 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:03:09,090 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:03:09,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:03:09,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 53 states and 55 transitions. [2023-11-12 00:03:09,201 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 55 transitions. [2023-11-12 00:03:09,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-12 00:03:09,201 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:03:09,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:03:09,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 00:03:09,216 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 00:03:09,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 00:03:09,230 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 4 iterations. [2023-11-12 00:03:09,254 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 12.11 12:03:09 ImpRootNode [2023-11-12 00:03:09,254 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-12 00:03:09,255 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-12 00:03:09,255 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-12 00:03:09,255 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-12 00:03:09,256 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:03:08" (3/4) ... [2023-11-12 00:03:09,257 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-11-12 00:03:09,293 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bdd68ab-0382-4724-94b2-14ce5ee8099e/bin/ukojak-verify-0OAaufAVZV/witness.graphml [2023-11-12 00:03:09,294 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-12 00:03:09,294 INFO L158 Benchmark]: Toolchain (without parser) took 1373.01ms. Allocated memory is still 113.2MB. Free memory was 72.0MB in the beginning and 58.3MB in the end (delta: 13.6MB). Peak memory consumption was 15.0MB. Max. memory is 16.1GB. [2023-11-12 00:03:09,295 INFO L158 Benchmark]: CDTParser took 1.04ms. Allocated memory is still 113.2MB. Free memory was 86.4MB in the beginning and 86.2MB in the end (delta: 146.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:03:09,296 INFO L158 Benchmark]: CACSL2BoogieTranslator took 269.65ms. Allocated memory is still 113.2MB. Free memory was 72.0MB in the beginning and 62.2MB in the end (delta: 9.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-12 00:03:09,296 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.63ms. Allocated memory is still 113.2MB. Free memory was 62.2MB in the beginning and 60.8MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:03:09,297 INFO L158 Benchmark]: Boogie Preprocessor took 32.99ms. Allocated memory is still 113.2MB. Free memory was 60.8MB in the beginning and 59.8MB in the end (delta: 1.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-12 00:03:09,297 INFO L158 Benchmark]: RCFGBuilder took 424.52ms. Allocated memory is still 113.2MB. Free memory was 59.8MB in the beginning and 83.8MB in the end (delta: -24.1MB). Peak memory consumption was 15.0MB. Max. memory is 16.1GB. [2023-11-12 00:03:09,298 INFO L158 Benchmark]: CodeCheck took 561.82ms. Allocated memory is still 113.2MB. Free memory was 83.8MB in the beginning and 60.0MB in the end (delta: 23.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2023-11-12 00:03:09,298 INFO L158 Benchmark]: Witness Printer took 38.89ms. Allocated memory is still 113.2MB. Free memory was 60.0MB in the beginning and 58.3MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:03:09,301 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, 48 locations, 22 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 26 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 8 mSDsluCounter, 27 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 8 mSDsCounter, 10 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 26 IncrementalHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 10 mSolverCounterUnsat, 19 mSDtfsCounter, 26 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 68 GetRequests, 60 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, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 15 NumberOfCodeBlocks, 15 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 41 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: 35]: 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] [L35] EXPR x*z VAL [c=1, k=0, x=1, y=-2147483648, z=-2147483648] [L35] 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 1.04ms. Allocated memory is still 113.2MB. Free memory was 86.4MB in the beginning and 86.2MB in the end (delta: 146.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 269.65ms. Allocated memory is still 113.2MB. Free memory was 72.0MB in the beginning and 62.2MB in the end (delta: 9.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.63ms. Allocated memory is still 113.2MB. Free memory was 62.2MB in the beginning and 60.8MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 32.99ms. Allocated memory is still 113.2MB. Free memory was 60.8MB in the beginning and 59.8MB in the end (delta: 1.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 424.52ms. Allocated memory is still 113.2MB. Free memory was 59.8MB in the beginning and 83.8MB in the end (delta: -24.1MB). Peak memory consumption was 15.0MB. Max. memory is 16.1GB. * CodeCheck took 561.82ms. Allocated memory is still 113.2MB. Free memory was 83.8MB in the beginning and 60.0MB in the end (delta: 23.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Witness Printer took 38.89ms. Allocated memory is still 113.2MB. Free memory was 60.0MB in the beginning and 58.3MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2023-11-12 00:03:09,324 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bdd68ab-0382-4724-94b2-14ce5ee8099e/bin/ukojak-verify-0OAaufAVZV/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)