./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/recursified_nla-digbench/recursified_prod4br.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_9f7cc6f5-fc49-46da-945e-b10701b4d5ec/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f7cc6f5-fc49-46da-945e-b10701b4d5ec/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f7cc6f5-fc49-46da-945e-b10701b4d5ec/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f7cc6f5-fc49-46da-945e-b10701b4d5ec/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/recursified_nla-digbench/recursified_prod4br.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f7cc6f5-fc49-46da-945e-b10701b4d5ec/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f7cc6f5-fc49-46da-945e-b10701b4d5ec/bin/utaipan-verify-mE87zJ7Ire --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3804d0a192f5a2112e31895b0bddee4dad38b32b4eea44b6f412da08ad9146bc --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:33:09,077 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:33:09,150 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f7cc6f5-fc49-46da-945e-b10701b4d5ec/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Overflow-32bit-Taipan_Default.epf [2023-11-23 20:33:09,157 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:33:09,158 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 20:33:09,186 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:33:09,187 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 20:33:09,188 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 20:33:09,189 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:33:09,189 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 20:33:09,190 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 20:33:09,191 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 20:33:09,191 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 20:33:09,192 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 20:33:09,193 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 20:33:09,193 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 20:33:09,194 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 20:33:09,194 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 20:33:09,195 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 20:33:09,196 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 20:33:09,196 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 20:33:09,197 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 20:33:09,198 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:33:09,198 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:33:09,199 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:33:09,199 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:33:09,200 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:33:09,200 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:33:09,201 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:33:09,201 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:33:09,202 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:33:09,202 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:33:09,203 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:33:09,203 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:33:09,204 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:33:09,204 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:33:09,204 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:33:09,205 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 20:33:09,205 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 20:33:09,206 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 20:33:09,206 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:33:09,206 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:33:09,207 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:33:09,207 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 20:33:09,207 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:33:09,208 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 20:33:09,208 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:33:09,208 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 20:33:09,209 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 20:33:09,209 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_9f7cc6f5-fc49-46da-945e-b10701b4d5ec/bin/utaipan-verify-mE87zJ7Ire/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f7cc6f5-fc49-46da-945e-b10701b4d5ec/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3804d0a192f5a2112e31895b0bddee4dad38b32b4eea44b6f412da08ad9146bc [2023-11-23 20:33:09,493 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:33:09,527 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:33:09,530 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:33:09,532 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:33:09,533 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:33:09,535 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f7cc6f5-fc49-46da-945e-b10701b4d5ec/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/recursified_nla-digbench/recursified_prod4br.c [2023-11-23 20:33:12,780 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:33:13,019 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:33:13,019 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f7cc6f5-fc49-46da-945e-b10701b4d5ec/sv-benchmarks/c/recursified_nla-digbench/recursified_prod4br.c [2023-11-23 20:33:13,028 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f7cc6f5-fc49-46da-945e-b10701b4d5ec/bin/utaipan-verify-mE87zJ7Ire/data/0f9e23967/75583c16719b449aab3cb5f55bc03119/FLAGa3e415c36 [2023-11-23 20:33:13,043 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f7cc6f5-fc49-46da-945e-b10701b4d5ec/bin/utaipan-verify-mE87zJ7Ire/data/0f9e23967/75583c16719b449aab3cb5f55bc03119 [2023-11-23 20:33:13,046 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:33:13,048 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:33:13,050 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:33:13,050 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:33:13,056 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:33:13,057 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:33:13" (1/1) ... [2023-11-23 20:33:13,058 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c75010f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:33:13, skipping insertion in model container [2023-11-23 20:33:13,058 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:33:13" (1/1) ... [2023-11-23 20:33:13,085 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:33:13,262 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:33:13,273 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:33:13,301 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:33:13,314 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:33:13,315 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:33:13 WrapperNode [2023-11-23 20:33:13,315 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:33:13,316 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:33:13,316 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:33:13,317 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:33:13,323 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:33:13" (1/1) ... [2023-11-23 20:33:13,332 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:33:13" (1/1) ... [2023-11-23 20:33:13,354 INFO L138 Inliner]: procedures = 16, calls = 87, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 86 [2023-11-23 20:33:13,354 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:33:13,355 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:33:13,355 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:33:13,355 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:33:13,365 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:33:13" (1/1) ... [2023-11-23 20:33:13,365 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:33:13" (1/1) ... [2023-11-23 20:33:13,369 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:33:13" (1/1) ... [2023-11-23 20:33:13,370 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:33:13" (1/1) ... [2023-11-23 20:33:13,381 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:33:13" (1/1) ... [2023-11-23 20:33:13,384 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:33:13" (1/1) ... [2023-11-23 20:33:13,386 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:33:13" (1/1) ... [2023-11-23 20:33:13,388 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:33:13" (1/1) ... [2023-11-23 20:33:13,392 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:33:13,393 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:33:13,393 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:33:13,393 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:33:13,394 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:33:13" (1/1) ... [2023-11-23 20:33:13,416 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 20:33:13,432 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f7cc6f5-fc49-46da-945e-b10701b4d5ec/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 20:33:13,444 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f7cc6f5-fc49-46da-945e-b10701b4d5ec/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 20:33:13,476 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f7cc6f5-fc49-46da-945e-b10701b4d5ec/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 20:33:13,489 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:33:13,490 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_32_to_51_0 [2023-11-23 20:33:13,490 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_32_to_51_0 [2023-11-23 20:33:13,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:33:13,491 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 20:33:13,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 20:33:13,491 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:33:13,492 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:33:13,492 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 20:33:13,492 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-23 20:33:13,492 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-23 20:33:13,493 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 20:33:13,574 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:33:13,576 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:33:14,112 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:33:14,217 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:33:14,217 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 20:33:14,219 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:33:14 BoogieIcfgContainer [2023-11-23 20:33:14,219 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:33:14,222 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 20:33:14,222 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 20:33:14,226 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 20:33:14,226 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 08:33:13" (1/3) ... [2023-11-23 20:33:14,227 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@fb49dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:33:14, skipping insertion in model container [2023-11-23 20:33:14,228 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:33:13" (2/3) ... [2023-11-23 20:33:14,228 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@fb49dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:33:14, skipping insertion in model container [2023-11-23 20:33:14,228 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:33:14" (3/3) ... [2023-11-23 20:33:14,230 INFO L112 eAbstractionObserver]: Analyzing ICFG recursified_prod4br.c [2023-11-23 20:33:14,252 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 20:33:14,253 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 42 error locations. [2023-11-23 20:33:14,332 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 20:33:14,340 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@3968c71b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 20:33:14,341 INFO L358 AbstractCegarLoop]: Starting to check reachability of 42 error locations. [2023-11-23 20:33:14,350 INFO L276 IsEmpty]: Start isEmpty. Operand has 105 states, 55 states have (on average 1.8545454545454545) internal successors, (102), 98 states have internal predecessors, (102), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2023-11-23 20:33:14,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-23 20:33:14,360 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:33:14,362 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2023-11-23 20:33:14,362 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting func_to_recursive_line_32_to_51_0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [func_to_recursive_line_32_to_51_0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, func_to_recursive_line_32_to_51_0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 40 more)] === [2023-11-23 20:33:14,371 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:33:14,372 INFO L85 PathProgramCache]: Analyzing trace with hash 216670040, now seen corresponding path program 1 times [2023-11-23 20:33:14,384 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 20:33:14,385 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [324764343] [2023-11-23 20:33:14,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:33:14,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:33:14,592 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-23 20:33:14,592 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1559199085] [2023-11-23 20:33:14,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:33:14,593 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 20:33:14,593 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f7cc6f5-fc49-46da-945e-b10701b4d5ec/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 20:33:14,596 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f7cc6f5-fc49-46da-945e-b10701b4d5ec/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 20:33:14,608 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f7cc6f5-fc49-46da-945e-b10701b4d5ec/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-23 20:33:14,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:33:14,802 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 20:33:14,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:33:14,871 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-23 20:33:14,874 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-23 20:33:14,878 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location func_to_recursive_line_32_to_51_0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (41 of 42 remaining) [2023-11-23 20:33:14,882 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_32_to_51_0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (40 of 42 remaining) [2023-11-23 20:33:14,883 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_32_to_51_0Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (39 of 42 remaining) [2023-11-23 20:33:14,883 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_32_to_51_0Err3ASSERT_VIOLATIONINTEGER_OVERFLOW (38 of 42 remaining) [2023-11-23 20:33:14,883 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_32_to_51_0Err4ASSERT_VIOLATIONINTEGER_OVERFLOW (37 of 42 remaining) [2023-11-23 20:33:14,884 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_32_to_51_0Err5ASSERT_VIOLATIONINTEGER_OVERFLOW (36 of 42 remaining) [2023-11-23 20:33:14,884 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_32_to_51_0Err6ASSERT_VIOLATIONINTEGER_OVERFLOW (35 of 42 remaining) [2023-11-23 20:33:14,884 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_32_to_51_0Err7ASSERT_VIOLATIONINTEGER_OVERFLOW (34 of 42 remaining) [2023-11-23 20:33:14,885 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_32_to_51_0Err8ASSERT_VIOLATIONINTEGER_OVERFLOW (33 of 42 remaining) [2023-11-23 20:33:14,885 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_32_to_51_0Err9ASSERT_VIOLATIONINTEGER_OVERFLOW (32 of 42 remaining) [2023-11-23 20:33:14,885 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_32_to_51_0Err10ASSERT_VIOLATIONINTEGER_OVERFLOW (31 of 42 remaining) [2023-11-23 20:33:14,886 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_32_to_51_0Err11ASSERT_VIOLATIONINTEGER_OVERFLOW (30 of 42 remaining) [2023-11-23 20:33:14,886 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_32_to_51_0Err12ASSERT_VIOLATIONINTEGER_OVERFLOW (29 of 42 remaining) [2023-11-23 20:33:14,886 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_32_to_51_0Err13ASSERT_VIOLATIONINTEGER_OVERFLOW (28 of 42 remaining) [2023-11-23 20:33:14,886 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_32_to_51_0Err14ASSERT_VIOLATIONINTEGER_OVERFLOW (27 of 42 remaining) [2023-11-23 20:33:14,887 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_32_to_51_0Err15ASSERT_VIOLATIONINTEGER_OVERFLOW (26 of 42 remaining) [2023-11-23 20:33:14,887 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_32_to_51_0Err16ASSERT_VIOLATIONINTEGER_OVERFLOW (25 of 42 remaining) [2023-11-23 20:33:14,887 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_32_to_51_0Err17ASSERT_VIOLATIONINTEGER_OVERFLOW (24 of 42 remaining) [2023-11-23 20:33:14,888 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_32_to_51_0Err18ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 42 remaining) [2023-11-23 20:33:14,888 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_32_to_51_0Err19ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 42 remaining) [2023-11-23 20:33:14,889 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_32_to_51_0Err20ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 42 remaining) [2023-11-23 20:33:14,890 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_32_to_51_0Err21ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 42 remaining) [2023-11-23 20:33:14,891 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_32_to_51_0Err22ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 42 remaining) [2023-11-23 20:33:14,892 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_32_to_51_0Err23ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 42 remaining) [2023-11-23 20:33:14,892 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_32_to_51_0Err24ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 42 remaining) [2023-11-23 20:33:14,892 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_32_to_51_0Err25ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 42 remaining) [2023-11-23 20:33:14,893 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_32_to_51_0Err26ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 42 remaining) [2023-11-23 20:33:14,894 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_32_to_51_0Err27ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 42 remaining) [2023-11-23 20:33:14,894 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_32_to_51_0Err28ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 42 remaining) [2023-11-23 20:33:14,894 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_32_to_51_0Err29ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 42 remaining) [2023-11-23 20:33:14,895 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_32_to_51_0Err30ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 42 remaining) [2023-11-23 20:33:14,896 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_32_to_51_0Err31ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 42 remaining) [2023-11-23 20:33:14,897 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_32_to_51_0Err32ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 42 remaining) [2023-11-23 20:33:14,897 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_32_to_51_0Err33ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 42 remaining) [2023-11-23 20:33:14,902 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_32_to_51_0Err34ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 42 remaining) [2023-11-23 20:33:14,902 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_32_to_51_0Err35ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 42 remaining) [2023-11-23 20:33:14,903 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_32_to_51_0Err36ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 42 remaining) [2023-11-23 20:33:14,904 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_32_to_51_0Err37ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 42 remaining) [2023-11-23 20:33:14,904 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 42 remaining) [2023-11-23 20:33:14,904 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 42 remaining) [2023-11-23 20:33:14,906 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 42 remaining) [2023-11-23 20:33:14,906 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 42 remaining) [2023-11-23 20:33:14,934 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f7cc6f5-fc49-46da-945e-b10701b4d5ec/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-23 20:33:15,128 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f7cc6f5-fc49-46da-945e-b10701b4d5ec/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-23 20:33:15,134 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-23 20:33:15,140 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-23 20:33:15,159 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem4 could not be translated [2023-11-23 20:33:15,160 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem7 could not be translated [2023-11-23 20:33:15,161 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem5 could not be translated [2023-11-23 20:33:15,161 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem4 could not be translated [2023-11-23 20:33:15,162 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem7 could not be translated [2023-11-23 20:33:15,162 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem5 could not be translated [2023-11-23 20:33:15,173 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 08:33:15 BoogieIcfgContainer [2023-11-23 20:33:15,173 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-23 20:33:15,174 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 20:33:15,174 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 20:33:15,175 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 20:33:15,175 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:33:14" (3/4) ... [2023-11-23 20:33:15,176 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-11-23 20:33:15,183 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem4 could not be translated [2023-11-23 20:33:15,183 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem7 could not be translated [2023-11-23 20:33:15,183 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem5 could not be translated [2023-11-23 20:33:15,184 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem4 could not be translated [2023-11-23 20:33:15,184 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem7 could not be translated [2023-11-23 20:33:15,185 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem5 could not be translated [2023-11-23 20:33:15,227 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f7cc6f5-fc49-46da-945e-b10701b4d5ec/bin/utaipan-verify-mE87zJ7Ire/witness.graphml [2023-11-23 20:33:15,227 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 20:33:15,228 INFO L158 Benchmark]: Toolchain (without parser) took 2180.00ms. Allocated memory is still 159.4MB. Free memory was 115.6MB in the beginning and 77.0MB in the end (delta: 38.6MB). Peak memory consumption was 38.7MB. Max. memory is 16.1GB. [2023-11-23 20:33:15,229 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 109.1MB. Free memory is still 55.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:33:15,229 INFO L158 Benchmark]: CACSL2BoogieTranslator took 265.56ms. Allocated memory is still 159.4MB. Free memory was 115.6MB in the beginning and 103.6MB in the end (delta: 12.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-23 20:33:15,230 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.05ms. Allocated memory is still 159.4MB. Free memory was 103.6MB in the beginning and 102.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:33:15,230 INFO L158 Benchmark]: Boogie Preprocessor took 37.30ms. Allocated memory is still 159.4MB. Free memory was 102.0MB in the beginning and 100.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:33:15,231 INFO L158 Benchmark]: RCFGBuilder took 826.26ms. Allocated memory is still 159.4MB. Free memory was 100.4MB in the beginning and 111.5MB in the end (delta: -11.1MB). Peak memory consumption was 17.8MB. Max. memory is 16.1GB. [2023-11-23 20:33:15,231 INFO L158 Benchmark]: TraceAbstraction took 951.74ms. Allocated memory is still 159.4MB. Free memory was 111.5MB in the beginning and 79.1MB in the end (delta: 32.4MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2023-11-23 20:33:15,232 INFO L158 Benchmark]: Witness Printer took 52.92ms. Allocated memory is still 159.4MB. Free memory was 79.1MB in the beginning and 77.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:33:15,234 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 109.1MB. Free memory is still 55.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 265.56ms. Allocated memory is still 159.4MB. Free memory was 115.6MB in the beginning and 103.6MB in the end (delta: 12.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.05ms. Allocated memory is still 159.4MB. Free memory was 103.6MB in the beginning and 102.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.30ms. Allocated memory is still 159.4MB. Free memory was 102.0MB in the beginning and 100.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 826.26ms. Allocated memory is still 159.4MB. Free memory was 100.4MB in the beginning and 111.5MB in the end (delta: -11.1MB). Peak memory consumption was 17.8MB. Max. memory is 16.1GB. * TraceAbstraction took 951.74ms. Allocated memory is still 159.4MB. Free memory was 111.5MB in the beginning and 79.1MB in the end (delta: 32.4MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * Witness Printer took 52.92ms. Allocated memory is still 159.4MB. Free memory was 79.1MB in the beginning and 77.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem4 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem7 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem5 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem4 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem7 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem5 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem4 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem7 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem5 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem4 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem7 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem5 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 53]: integer overflow possible integer overflow possible We found a FailurePath: [L99] int x; [L100] int y; [L101] int a; [L102] int b; [L103] int p; [L104] int q; [L105] x = __VERIFIER_nondet_int() [L106] y = __VERIFIER_nondet_int() [L107] EXPR \read(y) [L107] CALL assume_abort_if_not(y >= 1) [L23] COND FALSE !(!cond) [L107] RET assume_abort_if_not(y >= 1) [L108] EXPR \read(x) [L108] a = x [L109] EXPR \read(y) [L109] b = y [L110] p = 1 [L111] q = 0 VAL [a={5:0}, b={4:0}, p={9:0}, q={10:0}, x={8:0}, y={11:0}] [L112] CALL func_to_recursive_line_32_to_51_0(&a, &b, &y, &x, &q, &p) VAL [a={5:0}, b={4:0}, p={9:0}, q={10:0}, x={8:0}, y={11:0}] [L53] \read(*q) [L53] EXPR \read(*a) [L53] EXPR \read(*b) VAL [a={5:0}, a={5:0}, b={4:0}, b={4:0}, p={9:0}, p={9:0}, q={10:0}, q={10:0}, x={8:0}, x={8:0}, y={11:0}, y={11:0}] [L53] (*a) * (*b) VAL [a={5:0}, a={5:0}, b={4:0}, b={4:0}, p={9:0}, p={9:0}, q={10:0}, q={10:0}, x={8:0}, x={8:0}, y={11:0}, y={11:0}] - UnprovableResult [Line: 53]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 53]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 53]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 53]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 53]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 53]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 53]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 63]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 63]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 64]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 64]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 65]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 65]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 71]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 71]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 72]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 72]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 72]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 72]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 78]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 78]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 79]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 79]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 79]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 79]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 83]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 83]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 84]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 84]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 85]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 85]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 85]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 85]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 85]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 85]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 85]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 85]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 113]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 113]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 114]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 114]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 105 locations, 42 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=105occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, 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: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 5 NumberOfCodeBlocks, 5 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2023-11-23 20:33:15,273 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f7cc6f5-fc49-46da-945e-b10701b4d5ec/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (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)