./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/recursified_nla-digbench/recursified_fermat2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb7fc63e-f29b-4d0c-a03d-e80f85dd2174/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb7fc63e-f29b-4d0c-a03d-e80f85dd2174/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb7fc63e-f29b-4d0c-a03d-e80f85dd2174/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb7fc63e-f29b-4d0c-a03d-e80f85dd2174/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/recursified_nla-digbench/recursified_fermat2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb7fc63e-f29b-4d0c-a03d-e80f85dd2174/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb7fc63e-f29b-4d0c-a03d-e80f85dd2174/bin/uautomizer-verify-uCwYo4JHxu --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c6bb229683b6e478f26f29012535cd87eb287b5d79b78ad3ed39bceef2aa5826 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:48:21,935 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:48:22,004 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb7fc63e-f29b-4d0c-a03d-e80f85dd2174/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Overflow-32bit-Automizer_Default.epf [2023-11-19 07:48:22,009 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:48:22,009 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:48:22,036 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:48:22,037 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:48:22,038 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:48:22,039 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 07:48:22,039 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 07:48:22,041 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:48:22,041 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:48:22,042 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:48:22,043 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:48:22,044 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 07:48:22,044 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 07:48:22,045 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 07:48:22,045 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 07:48:22,046 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:48:22,047 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 07:48:22,047 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 07:48:22,048 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 07:48:22,049 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 07:48:22,049 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 07:48:22,050 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 07:48:22,050 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:48:22,051 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:48:22,051 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:48:22,052 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:48:22,052 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 07:48:22,053 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:48:22,054 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:48:22,054 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 07:48:22,054 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 07:48:22,055 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 07:48:22,055 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 07:48:22,055 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 07:48:22,056 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 07:48:22,056 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 07:48:22,056 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 07:48:22,057 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 07:48:22,057 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_eb7fc63e-f29b-4d0c-a03d-e80f85dd2174/bin/uautomizer-verify-uCwYo4JHxu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb7fc63e-f29b-4d0c-a03d-e80f85dd2174/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c6bb229683b6e478f26f29012535cd87eb287b5d79b78ad3ed39bceef2aa5826 [2023-11-19 07:48:22,303 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:48:22,337 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:48:22,340 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:48:22,341 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:48:22,342 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:48:22,343 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb7fc63e-f29b-4d0c-a03d-e80f85dd2174/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/recursified_nla-digbench/recursified_fermat2.c [2023-11-19 07:48:25,548 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:48:25,797 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:48:25,798 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb7fc63e-f29b-4d0c-a03d-e80f85dd2174/sv-benchmarks/c/recursified_nla-digbench/recursified_fermat2.c [2023-11-19 07:48:25,807 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb7fc63e-f29b-4d0c-a03d-e80f85dd2174/bin/uautomizer-verify-uCwYo4JHxu/data/a6c570003/5ad4eb832e1c41fbb5be158eefc0a2b7/FLAG0c3807bee [2023-11-19 07:48:25,824 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb7fc63e-f29b-4d0c-a03d-e80f85dd2174/bin/uautomizer-verify-uCwYo4JHxu/data/a6c570003/5ad4eb832e1c41fbb5be158eefc0a2b7 [2023-11-19 07:48:25,826 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:48:25,828 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:48:25,830 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:48:25,830 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:48:25,836 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:48:25,836 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:48:25" (1/1) ... [2023-11-19 07:48:25,838 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@cf7821f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:25, skipping insertion in model container [2023-11-19 07:48:25,838 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:48:25" (1/1) ... [2023-11-19 07:48:25,868 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:48:26,077 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:48:26,086 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:48:26,109 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:48:26,124 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:48:26,125 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:26 WrapperNode [2023-11-19 07:48:26,125 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:48:26,126 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:48:26,126 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:48:26,126 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:48:26,134 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:26" (1/1) ... [2023-11-19 07:48:26,141 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:26" (1/1) ... [2023-11-19 07:48:26,165 INFO L138 Inliner]: procedures = 16, calls = 60, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 101 [2023-11-19 07:48:26,165 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:48:26,166 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:48:26,166 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:48:26,166 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:48:26,183 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:26" (1/1) ... [2023-11-19 07:48:26,183 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:26" (1/1) ... [2023-11-19 07:48:26,186 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:26" (1/1) ... [2023-11-19 07:48:26,186 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:26" (1/1) ... [2023-11-19 07:48:26,195 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:26" (1/1) ... [2023-11-19 07:48:26,197 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:26" (1/1) ... [2023-11-19 07:48:26,199 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:26" (1/1) ... [2023-11-19 07:48:26,200 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:26" (1/1) ... [2023-11-19 07:48:26,204 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:48:26,205 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:48:26,205 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:48:26,205 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:48:26,206 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:26" (1/1) ... [2023-11-19 07:48:26,211 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:48:26,225 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb7fc63e-f29b-4d0c-a03d-e80f85dd2174/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:48:26,237 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb7fc63e-f29b-4d0c-a03d-e80f85dd2174/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 07:48:26,270 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb7fc63e-f29b-4d0c-a03d-e80f85dd2174/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 07:48:26,282 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:48:26,282 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 07:48:26,282 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 07:48:26,282 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 07:48:26,283 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 07:48:26,283 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_33_to_42_0 [2023-11-19 07:48:26,283 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_33_to_42_0 [2023-11-19 07:48:26,283 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 07:48:26,283 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:48:26,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:48:26,284 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 07:48:26,284 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 07:48:26,284 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 07:48:26,284 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 07:48:26,362 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:48:26,366 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:48:26,836 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:48:26,849 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:48:26,849 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 07:48:26,854 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:48:26 BoogieIcfgContainer [2023-11-19 07:48:26,854 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:48:26,857 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 07:48:26,857 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 07:48:26,869 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 07:48:26,870 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:48:25" (1/3) ... [2023-11-19 07:48:26,871 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36253241 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:48:26, skipping insertion in model container [2023-11-19 07:48:26,871 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:26" (2/3) ... [2023-11-19 07:48:26,871 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36253241 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:48:26, skipping insertion in model container [2023-11-19 07:48:26,871 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:48:26" (3/3) ... [2023-11-19 07:48:26,873 INFO L112 eAbstractionObserver]: Analyzing ICFG recursified_fermat2.c [2023-11-19 07:48:26,895 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 07:48:26,895 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 56 error locations. [2023-11-19 07:48:26,955 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 07:48:26,962 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=PETRI_NET, 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;@86cb015, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 07:48:26,962 INFO L358 AbstractCegarLoop]: Starting to check reachability of 56 error locations. [2023-11-19 07:48:26,967 INFO L276 IsEmpty]: Start isEmpty. Operand has 144 states, 78 states have (on average 1.7820512820512822) internal successors, (139), 135 states have internal predecessors, (139), 6 states have call successors, (6), 3 states have call predecessors, (6), 3 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2023-11-19 07:48:26,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-19 07:48:26,974 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:48:26,975 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1] [2023-11-19 07:48:26,975 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2023-11-19 07:48:26,981 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:48:26,981 INFO L85 PathProgramCache]: Analyzing trace with hash 29856, now seen corresponding path program 1 times [2023-11-19 07:48:26,991 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:48:26,991 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [246900325] [2023-11-19 07:48:26,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:48:26,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:48:27,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:48:27,132 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:48:27,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:48:27,193 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:48:27,195 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-19 07:48:27,196 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (55 of 56 remaining) [2023-11-19 07:48:27,199 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (54 of 56 remaining) [2023-11-19 07:48:27,199 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (53 of 56 remaining) [2023-11-19 07:48:27,200 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (52 of 56 remaining) [2023-11-19 07:48:27,200 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (51 of 56 remaining) [2023-11-19 07:48:27,201 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (50 of 56 remaining) [2023-11-19 07:48:27,201 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (49 of 56 remaining) [2023-11-19 07:48:27,201 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (48 of 56 remaining) [2023-11-19 07:48:27,202 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (47 of 56 remaining) [2023-11-19 07:48:27,202 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (46 of 56 remaining) [2023-11-19 07:48:27,202 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (45 of 56 remaining) [2023-11-19 07:48:27,203 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (44 of 56 remaining) [2023-11-19 07:48:27,203 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (43 of 56 remaining) [2023-11-19 07:48:27,203 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (42 of 56 remaining) [2023-11-19 07:48:27,204 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (41 of 56 remaining) [2023-11-19 07:48:27,204 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (40 of 56 remaining) [2023-11-19 07:48:27,204 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (39 of 56 remaining) [2023-11-19 07:48:27,205 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (38 of 56 remaining) [2023-11-19 07:48:27,205 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (37 of 56 remaining) [2023-11-19 07:48:27,205 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (36 of 56 remaining) [2023-11-19 07:48:27,206 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW (35 of 56 remaining) [2023-11-19 07:48:27,206 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW (34 of 56 remaining) [2023-11-19 07:48:27,206 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW (33 of 56 remaining) [2023-11-19 07:48:27,207 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW (32 of 56 remaining) [2023-11-19 07:48:27,207 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW (31 of 56 remaining) [2023-11-19 07:48:27,207 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW (30 of 56 remaining) [2023-11-19 07:48:27,208 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW (29 of 56 remaining) [2023-11-19 07:48:27,208 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW (28 of 56 remaining) [2023-11-19 07:48:27,208 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW (27 of 56 remaining) [2023-11-19 07:48:27,209 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW (26 of 56 remaining) [2023-11-19 07:48:27,209 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_33_to_42_0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (25 of 56 remaining) [2023-11-19 07:48:27,209 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_33_to_42_0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (24 of 56 remaining) [2023-11-19 07:48:27,210 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_33_to_42_0Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 56 remaining) [2023-11-19 07:48:27,210 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_33_to_42_0Err3ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 56 remaining) [2023-11-19 07:48:27,210 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_33_to_42_0Err4ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 56 remaining) [2023-11-19 07:48:27,211 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_33_to_42_0Err5ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 56 remaining) [2023-11-19 07:48:27,211 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_33_to_42_0Err6ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 56 remaining) [2023-11-19 07:48:27,211 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_33_to_42_0Err7ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 56 remaining) [2023-11-19 07:48:27,212 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_33_to_42_0Err8ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 56 remaining) [2023-11-19 07:48:27,212 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_33_to_42_0Err9ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 56 remaining) [2023-11-19 07:48:27,212 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_33_to_42_0Err10ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 56 remaining) [2023-11-19 07:48:27,213 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_33_to_42_0Err11ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 56 remaining) [2023-11-19 07:48:27,213 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_33_to_42_0Err12ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 56 remaining) [2023-11-19 07:48:27,213 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_33_to_42_0Err13ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 56 remaining) [2023-11-19 07:48:27,214 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_33_to_42_0Err14ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 56 remaining) [2023-11-19 07:48:27,214 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_33_to_42_0Err15ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 56 remaining) [2023-11-19 07:48:27,214 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_33_to_42_0Err16ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 56 remaining) [2023-11-19 07:48:27,215 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_33_to_42_0Err17ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 56 remaining) [2023-11-19 07:48:27,215 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_33_to_42_0Err18ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 56 remaining) [2023-11-19 07:48:27,215 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_33_to_42_0Err19ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 56 remaining) [2023-11-19 07:48:27,216 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_33_to_42_0Err20ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 56 remaining) [2023-11-19 07:48:27,216 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_33_to_42_0Err21ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 56 remaining) [2023-11-19 07:48:27,216 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_33_to_42_0Err22ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 56 remaining) [2023-11-19 07:48:27,217 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_33_to_42_0Err23ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 56 remaining) [2023-11-19 07:48:27,217 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_33_to_42_0Err24ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 56 remaining) [2023-11-19 07:48:27,217 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_33_to_42_0Err25ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 56 remaining) [2023-11-19 07:48:27,218 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 07:48:27,223 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-19 07:48:27,229 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 07:48:27,249 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 07:48:27 BoogieIcfgContainer [2023-11-19 07:48:27,249 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 07:48:27,250 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 07:48:27,250 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 07:48:27,251 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 07:48:27,251 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:48:26" (3/4) ... [2023-11-19 07:48:27,254 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 07:48:27,255 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 07:48:27,257 INFO L158 Benchmark]: Toolchain (without parser) took 1428.21ms. Allocated memory was 140.5MB in the beginning and 195.0MB in the end (delta: 54.5MB). Free memory was 109.7MB in the beginning and 159.8MB in the end (delta: -50.1MB). Peak memory consumption was 7.4MB. Max. memory is 16.1GB. [2023-11-19 07:48:27,257 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 111.1MB. Free memory is still 67.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:48:27,258 INFO L158 Benchmark]: CACSL2BoogieTranslator took 295.51ms. Allocated memory is still 140.5MB. Free memory was 109.5MB in the beginning and 98.1MB in the end (delta: 11.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 07:48:27,258 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.58ms. Allocated memory is still 140.5MB. Free memory was 98.1MB in the beginning and 96.5MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 07:48:27,259 INFO L158 Benchmark]: Boogie Preprocessor took 37.79ms. Allocated memory is still 140.5MB. Free memory was 96.5MB in the beginning and 95.2MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:48:27,259 INFO L158 Benchmark]: RCFGBuilder took 649.95ms. Allocated memory is still 140.5MB. Free memory was 94.8MB in the beginning and 71.7MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2023-11-19 07:48:27,260 INFO L158 Benchmark]: TraceAbstraction took 392.38ms. Allocated memory was 140.5MB in the beginning and 195.0MB in the end (delta: 54.5MB). Free memory was 70.9MB in the beginning and 159.8MB in the end (delta: -88.9MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:48:27,260 INFO L158 Benchmark]: Witness Printer took 5.13ms. Allocated memory is still 195.0MB. Free memory is still 159.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:48:27,263 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 111.1MB. Free memory is still 67.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 295.51ms. Allocated memory is still 140.5MB. Free memory was 109.5MB in the beginning and 98.1MB in the end (delta: 11.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.58ms. Allocated memory is still 140.5MB. Free memory was 98.1MB in the beginning and 96.5MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.79ms. Allocated memory is still 140.5MB. Free memory was 96.5MB in the beginning and 95.2MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 649.95ms. Allocated memory is still 140.5MB. Free memory was 94.8MB in the beginning and 71.7MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * TraceAbstraction took 392.38ms. Allocated memory was 140.5MB in the beginning and 195.0MB in the end (delta: 54.5MB). Free memory was 70.9MB in the beginning and 159.8MB in the end (delta: -88.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.13ms. Allocated memory is still 195.0MB. Free memory is still 159.8MB. There was no memory consumed. Max. memory is 16.1GB. * 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 - UnprovableResult [Line: 88]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of to_int at line 86. Possible FailurePath: [L81] int A; [L82] int R; [L83] int u; [L84] int v; [L85] int r; [L86] A = __VERIFIER_nondet_double() [L87] R = __VERIFIER_nondet_double() [L88] R - 1 VAL [A={7:0}, R=-2147483648, r={5:0}, u={8:0}, v={6:0}] - UnprovableResult [Line: 88]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 88]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 88]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 88]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 88]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 90]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 90]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 90]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 90]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 92]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 92]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 92]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 92]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 94]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 94]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 94]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 94]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 94]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 94]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 94]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 94]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 94]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 94]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 94]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 94]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 94]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 94]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 94]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 94]: 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: 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: 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: 68]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 68]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 69]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 69]: 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 4 procedures, 144 locations, 56 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, 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=144occurred 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 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 could not prove your program: unable to determine feasibility of some traces [2023-11-19 07:48:27,312 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb7fc63e-f29b-4d0c-a03d-e80f85dd2174/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb7fc63e-f29b-4d0c-a03d-e80f85dd2174/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb7fc63e-f29b-4d0c-a03d-e80f85dd2174/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb7fc63e-f29b-4d0c-a03d-e80f85dd2174/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb7fc63e-f29b-4d0c-a03d-e80f85dd2174/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/recursified_nla-digbench/recursified_fermat2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb7fc63e-f29b-4d0c-a03d-e80f85dd2174/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Overflow-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb7fc63e-f29b-4d0c-a03d-e80f85dd2174/bin/uautomizer-verify-uCwYo4JHxu --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c6bb229683b6e478f26f29012535cd87eb287b5d79b78ad3ed39bceef2aa5826 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:48:29,976 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:48:30,109 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb7fc63e-f29b-4d0c-a03d-e80f85dd2174/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Overflow-32bit-Automizer_Bitvector.epf [2023-11-19 07:48:30,119 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:48:30,120 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:48:30,164 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:48:30,165 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:48:30,165 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:48:30,167 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 07:48:30,171 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 07:48:30,172 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:48:30,173 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:48:30,173 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:48:30,175 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:48:30,176 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 07:48:30,176 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 07:48:30,177 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 07:48:30,177 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:48:30,178 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 07:48:30,179 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 07:48:30,179 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 07:48:30,180 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 07:48:30,180 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 07:48:30,181 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 07:48:30,182 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 07:48:30,182 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 07:48:30,182 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 07:48:30,183 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:48:30,183 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:48:30,184 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:48:30,185 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:48:30,185 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 07:48:30,186 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:48:30,186 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:48:30,187 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 07:48:30,187 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 07:48:30,187 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-19 07:48:30,187 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 07:48:30,188 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 07:48:30,189 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 07:48:30,189 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 07:48:30,189 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 07:48:30,189 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-19 07:48:30,190 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 07:48:30,190 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_eb7fc63e-f29b-4d0c-a03d-e80f85dd2174/bin/uautomizer-verify-uCwYo4JHxu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb7fc63e-f29b-4d0c-a03d-e80f85dd2174/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c6bb229683b6e478f26f29012535cd87eb287b5d79b78ad3ed39bceef2aa5826 [2023-11-19 07:48:30,613 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:48:30,644 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:48:30,646 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:48:30,648 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:48:30,648 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:48:30,649 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb7fc63e-f29b-4d0c-a03d-e80f85dd2174/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/recursified_nla-digbench/recursified_fermat2.c [2023-11-19 07:48:33,904 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:48:34,202 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:48:34,203 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb7fc63e-f29b-4d0c-a03d-e80f85dd2174/sv-benchmarks/c/recursified_nla-digbench/recursified_fermat2.c [2023-11-19 07:48:34,211 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb7fc63e-f29b-4d0c-a03d-e80f85dd2174/bin/uautomizer-verify-uCwYo4JHxu/data/1b5aff1ac/f03dc1e5688b4ee1adc85c7500f94f28/FLAG1d409ab7e [2023-11-19 07:48:34,226 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb7fc63e-f29b-4d0c-a03d-e80f85dd2174/bin/uautomizer-verify-uCwYo4JHxu/data/1b5aff1ac/f03dc1e5688b4ee1adc85c7500f94f28 [2023-11-19 07:48:34,229 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:48:34,233 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:48:34,237 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:48:34,237 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:48:34,247 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:48:34,248 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:48:34" (1/1) ... [2023-11-19 07:48:34,250 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4397d953 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:34, skipping insertion in model container [2023-11-19 07:48:34,250 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:48:34" (1/1) ... [2023-11-19 07:48:34,281 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:48:34,569 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:48:34,594 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:48:34,656 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:48:34,679 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:48:34,680 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:34 WrapperNode [2023-11-19 07:48:34,680 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:48:34,682 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:48:34,682 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:48:34,682 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:48:34,692 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:34" (1/1) ... [2023-11-19 07:48:34,723 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:34" (1/1) ... [2023-11-19 07:48:34,769 INFO L138 Inliner]: procedures = 19, calls = 60, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 102 [2023-11-19 07:48:34,770 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:48:34,771 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:48:34,771 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:48:34,771 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:48:34,787 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:34" (1/1) ... [2023-11-19 07:48:34,787 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:34" (1/1) ... [2023-11-19 07:48:34,814 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:34" (1/1) ... [2023-11-19 07:48:34,815 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:34" (1/1) ... [2023-11-19 07:48:34,842 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:34" (1/1) ... [2023-11-19 07:48:34,845 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:34" (1/1) ... [2023-11-19 07:48:34,848 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:34" (1/1) ... [2023-11-19 07:48:34,850 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:34" (1/1) ... [2023-11-19 07:48:34,867 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:48:34,882 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:48:34,883 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:48:34,883 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:48:34,884 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:34" (1/1) ... [2023-11-19 07:48:34,891 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:48:34,905 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb7fc63e-f29b-4d0c-a03d-e80f85dd2174/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:48:34,930 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb7fc63e-f29b-4d0c-a03d-e80f85dd2174/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 07:48:34,956 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb7fc63e-f29b-4d0c-a03d-e80f85dd2174/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 07:48:34,988 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:48:34,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 07:48:34,989 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 07:48:34,989 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 07:48:34,989 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 07:48:34,990 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_33_to_42_0 [2023-11-19 07:48:34,990 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_33_to_42_0 [2023-11-19 07:48:34,990 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-19 07:48:34,990 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:48:34,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:48:34,992 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 07:48:34,992 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 07:48:34,993 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 07:48:34,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-19 07:48:35,158 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:48:35,161 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:48:43,959 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:48:43,968 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:48:43,969 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 07:48:43,973 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:48:43 BoogieIcfgContainer [2023-11-19 07:48:43,973 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:48:43,976 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 07:48:43,976 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 07:48:43,979 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 07:48:43,979 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:48:34" (1/3) ... [2023-11-19 07:48:43,980 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59c60dd8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:48:43, skipping insertion in model container [2023-11-19 07:48:43,980 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:34" (2/3) ... [2023-11-19 07:48:43,981 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59c60dd8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:48:43, skipping insertion in model container [2023-11-19 07:48:43,981 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:48:43" (3/3) ... [2023-11-19 07:48:43,982 INFO L112 eAbstractionObserver]: Analyzing ICFG recursified_fermat2.c [2023-11-19 07:48:44,003 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 07:48:44,004 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 56 error locations. [2023-11-19 07:48:44,059 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 07:48:44,065 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=PETRI_NET, 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;@409d9397, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 07:48:44,066 INFO L358 AbstractCegarLoop]: Starting to check reachability of 56 error locations. [2023-11-19 07:48:44,070 INFO L276 IsEmpty]: Start isEmpty. Operand has 144 states, 78 states have (on average 1.7820512820512822) internal successors, (139), 135 states have internal predecessors, (139), 6 states have call successors, (6), 3 states have call predecessors, (6), 3 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2023-11-19 07:48:44,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-19 07:48:44,075 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:48:44,075 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1] [2023-11-19 07:48:44,076 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2023-11-19 07:48:44,080 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:48:44,080 INFO L85 PathProgramCache]: Analyzing trace with hash 29856, now seen corresponding path program 1 times [2023-11-19 07:48:44,090 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-19 07:48:44,091 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [223571797] [2023-11-19 07:48:44,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:48:44,091 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 07:48:44,092 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb7fc63e-f29b-4d0c-a03d-e80f85dd2174/bin/uautomizer-verify-uCwYo4JHxu/mathsat [2023-11-19 07:48:44,096 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb7fc63e-f29b-4d0c-a03d-e80f85dd2174/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 07:48:44,106 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb7fc63e-f29b-4d0c-a03d-e80f85dd2174/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-19 07:48:44,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:48:44,207 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:48:44,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:48:44,267 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2023-11-19 07:48:44,269 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-19 07:48:44,270 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (55 of 56 remaining) [2023-11-19 07:48:44,272 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (54 of 56 remaining) [2023-11-19 07:48:44,272 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (53 of 56 remaining) [2023-11-19 07:48:44,273 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (52 of 56 remaining) [2023-11-19 07:48:44,273 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (51 of 56 remaining) [2023-11-19 07:48:44,273 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (50 of 56 remaining) [2023-11-19 07:48:44,274 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (49 of 56 remaining) [2023-11-19 07:48:44,274 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (48 of 56 remaining) [2023-11-19 07:48:44,274 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (47 of 56 remaining) [2023-11-19 07:48:44,274 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (46 of 56 remaining) [2023-11-19 07:48:44,275 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (45 of 56 remaining) [2023-11-19 07:48:44,275 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (44 of 56 remaining) [2023-11-19 07:48:44,275 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (43 of 56 remaining) [2023-11-19 07:48:44,276 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (42 of 56 remaining) [2023-11-19 07:48:44,276 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (41 of 56 remaining) [2023-11-19 07:48:44,276 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (40 of 56 remaining) [2023-11-19 07:48:44,276 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (39 of 56 remaining) [2023-11-19 07:48:44,277 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (38 of 56 remaining) [2023-11-19 07:48:44,277 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (37 of 56 remaining) [2023-11-19 07:48:44,277 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (36 of 56 remaining) [2023-11-19 07:48:44,278 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW (35 of 56 remaining) [2023-11-19 07:48:44,278 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW (34 of 56 remaining) [2023-11-19 07:48:44,278 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW (33 of 56 remaining) [2023-11-19 07:48:44,278 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW (32 of 56 remaining) [2023-11-19 07:48:44,279 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW (31 of 56 remaining) [2023-11-19 07:48:44,279 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW (30 of 56 remaining) [2023-11-19 07:48:44,279 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW (29 of 56 remaining) [2023-11-19 07:48:44,279 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW (28 of 56 remaining) [2023-11-19 07:48:44,280 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW (27 of 56 remaining) [2023-11-19 07:48:44,280 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW (26 of 56 remaining) [2023-11-19 07:48:44,280 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_33_to_42_0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (25 of 56 remaining) [2023-11-19 07:48:44,281 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_33_to_42_0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (24 of 56 remaining) [2023-11-19 07:48:44,281 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_33_to_42_0Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 56 remaining) [2023-11-19 07:48:44,281 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_33_to_42_0Err3ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 56 remaining) [2023-11-19 07:48:44,281 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_33_to_42_0Err4ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 56 remaining) [2023-11-19 07:48:44,282 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_33_to_42_0Err5ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 56 remaining) [2023-11-19 07:48:44,282 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_33_to_42_0Err6ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 56 remaining) [2023-11-19 07:48:44,282 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_33_to_42_0Err7ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 56 remaining) [2023-11-19 07:48:44,282 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_33_to_42_0Err8ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 56 remaining) [2023-11-19 07:48:44,283 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_33_to_42_0Err9ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 56 remaining) [2023-11-19 07:48:44,283 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_33_to_42_0Err10ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 56 remaining) [2023-11-19 07:48:44,283 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_33_to_42_0Err11ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 56 remaining) [2023-11-19 07:48:44,283 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_33_to_42_0Err12ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 56 remaining) [2023-11-19 07:48:44,284 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_33_to_42_0Err13ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 56 remaining) [2023-11-19 07:48:44,284 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_33_to_42_0Err14ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 56 remaining) [2023-11-19 07:48:44,284 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_33_to_42_0Err15ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 56 remaining) [2023-11-19 07:48:44,284 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_33_to_42_0Err16ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 56 remaining) [2023-11-19 07:48:44,285 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_33_to_42_0Err17ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 56 remaining) [2023-11-19 07:48:44,285 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_33_to_42_0Err18ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 56 remaining) [2023-11-19 07:48:44,285 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_33_to_42_0Err19ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 56 remaining) [2023-11-19 07:48:44,285 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_33_to_42_0Err20ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 56 remaining) [2023-11-19 07:48:44,286 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_33_to_42_0Err21ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 56 remaining) [2023-11-19 07:48:44,286 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_33_to_42_0Err22ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 56 remaining) [2023-11-19 07:48:44,286 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_33_to_42_0Err23ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 56 remaining) [2023-11-19 07:48:44,287 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_33_to_42_0Err24ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 56 remaining) [2023-11-19 07:48:44,287 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_33_to_42_0Err25ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 56 remaining) [2023-11-19 07:48:44,298 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb7fc63e-f29b-4d0c-a03d-e80f85dd2174/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-19 07:48:44,495 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb7fc63e-f29b-4d0c-a03d-e80f85dd2174/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 07:48:44,500 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-19 07:48:44,515 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 07:48:44,534 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 07:48:44 BoogieIcfgContainer [2023-11-19 07:48:44,534 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 07:48:44,535 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 07:48:44,535 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 07:48:44,535 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 07:48:44,536 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:48:43" (3/4) ... [2023-11-19 07:48:44,537 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-11-19 07:48:44,570 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb7fc63e-f29b-4d0c-a03d-e80f85dd2174/bin/uautomizer-verify-uCwYo4JHxu/witness.graphml [2023-11-19 07:48:44,571 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 07:48:44,572 INFO L158 Benchmark]: Toolchain (without parser) took 10340.43ms. Allocated memory is still 90.2MB. Free memory was 67.0MB in the beginning and 65.5MB in the end (delta: 1.5MB). Peak memory consumption was 3.5MB. Max. memory is 16.1GB. [2023-11-19 07:48:44,572 INFO L158 Benchmark]: CDTParser took 1.20ms. Allocated memory is still 67.1MB. Free memory is still 43.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:48:44,573 INFO L158 Benchmark]: CACSL2BoogieTranslator took 444.01ms. Allocated memory is still 90.2MB. Free memory was 66.8MB in the beginning and 54.6MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 07:48:44,573 INFO L158 Benchmark]: Boogie Procedure Inliner took 88.05ms. Allocated memory is still 90.2MB. Free memory was 54.4MB in the beginning and 52.6MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 07:48:44,574 INFO L158 Benchmark]: Boogie Preprocessor took 96.66ms. Allocated memory is still 90.2MB. Free memory was 52.6MB in the beginning and 50.8MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 07:48:44,574 INFO L158 Benchmark]: RCFGBuilder took 9090.86ms. Allocated memory is still 90.2MB. Free memory was 50.5MB in the beginning and 47.3MB in the end (delta: 3.2MB). Peak memory consumption was 8.7MB. Max. memory is 16.1GB. [2023-11-19 07:48:44,575 INFO L158 Benchmark]: TraceAbstraction took 558.89ms. Allocated memory is still 90.2MB. Free memory was 46.8MB in the beginning and 67.5MB in the end (delta: -20.7MB). Peak memory consumption was 20.0MB. Max. memory is 16.1GB. [2023-11-19 07:48:44,575 INFO L158 Benchmark]: Witness Printer took 35.66ms. Allocated memory is still 90.2MB. Free memory was 67.5MB in the beginning and 65.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 07:48:44,578 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.20ms. Allocated memory is still 67.1MB. Free memory is still 43.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 444.01ms. Allocated memory is still 90.2MB. Free memory was 66.8MB in the beginning and 54.6MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 88.05ms. Allocated memory is still 90.2MB. Free memory was 54.4MB in the beginning and 52.6MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 96.66ms. Allocated memory is still 90.2MB. Free memory was 52.6MB in the beginning and 50.8MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 9090.86ms. Allocated memory is still 90.2MB. Free memory was 50.5MB in the beginning and 47.3MB in the end (delta: 3.2MB). Peak memory consumption was 8.7MB. Max. memory is 16.1GB. * TraceAbstraction took 558.89ms. Allocated memory is still 90.2MB. Free memory was 46.8MB in the beginning and 67.5MB in the end (delta: -20.7MB). Peak memory consumption was 20.0MB. Max. memory is 16.1GB. * Witness Printer took 35.66ms. Allocated memory is still 90.2MB. Free memory was 67.5MB in the beginning and 65.5MB 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.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: 88]: integer overflow possible integer overflow possible We found a FailurePath: [L81] int A; [L82] int R; [L83] int u; [L84] int v; [L85] int r; [L86] A = __VERIFIER_nondet_double() [L87] R = __VERIFIER_nondet_double() [L88] R - 1 VAL [A={14:0}, R=-2147483648, r={7:0}, u={-2147483646:0}, v={15:0}] - UnprovableResult [Line: 88]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 88]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 88]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 88]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 88]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 90]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 90]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 90]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 90]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 92]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 92]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 92]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 92]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 94]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 94]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 94]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 94]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 94]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 94]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 94]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 94]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 94]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 94]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 94]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 94]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 94]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 94]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 94]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 94]: 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: 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: 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: 68]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 68]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 69]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 69]: 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 4 procedures, 144 locations, 56 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, 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=144occurred 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, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 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! [2023-11-19 07:48:44,617 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb7fc63e-f29b-4d0c-a03d-e80f85dd2174/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (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)