./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/geo3-ll_valuebound5.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41f964c8-2d86-4e85-978c-0323414935b1/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41f964c8-2d86-4e85-978c-0323414935b1/bin/ukojak-LBtLqBUTdQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41f964c8-2d86-4e85-978c-0323414935b1/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41f964c8-2d86-4e85-978c-0323414935b1/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/geo3-ll_valuebound5.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41f964c8-2d86-4e85-978c-0323414935b1/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41f964c8-2d86-4e85-978c-0323414935b1/bin/ukojak-LBtLqBUTdQ --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e93016ff57c45c3cae283be4b49e01d237dbbda4f83cf7a9bfcfac37d4c97276 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 00:35:05,110 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 00:35:05,112 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 00:35:05,170 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 00:35:05,171 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 00:35:05,175 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 00:35:05,177 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 00:35:05,180 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 00:35:05,183 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 00:35:05,189 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 00:35:05,190 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 00:35:05,192 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 00:35:05,193 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 00:35:05,195 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 00:35:05,198 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 00:35:05,204 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 00:35:05,206 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 00:35:05,207 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 00:35:05,213 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 00:35:05,223 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 00:35:05,225 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 00:35:05,228 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 00:35:05,231 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 00:35:05,233 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 00:35:05,242 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 00:35:05,242 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 00:35:05,243 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 00:35:05,245 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 00:35:05,246 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 00:35:05,247 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 00:35:05,248 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 00:35:05,249 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 00:35:05,251 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 00:35:05,252 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 00:35:05,254 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 00:35:05,254 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 00:35:05,255 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 00:35:05,256 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 00:35:05,256 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 00:35:05,257 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 00:35:05,258 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 00:35:05,259 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41f964c8-2d86-4e85-978c-0323414935b1/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 00:35:05,311 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 00:35:05,311 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 00:35:05,313 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 00:35:05,313 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 00:35:05,314 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 00:35:05,314 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 00:35:05,315 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 00:35:05,321 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 00:35:05,321 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 00:35:05,321 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 00:35:05,323 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 00:35:05,323 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 00:35:05,323 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 00:35:05,323 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 00:35:05,324 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 00:35:05,324 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 00:35:05,324 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 00:35:05,324 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 00:35:05,324 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 00:35:05,325 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 00:35:05,325 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 00:35:05,325 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:35:05,325 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 00:35:05,325 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 00:35:05,326 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 00:35:05,326 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 00:35:05,326 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 00:35:05,326 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 00:35:05,326 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41f964c8-2d86-4e85-978c-0323414935b1/bin/ukojak-LBtLqBUTdQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41f964c8-2d86-4e85-978c-0323414935b1/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e93016ff57c45c3cae283be4b49e01d237dbbda4f83cf7a9bfcfac37d4c97276 [2021-11-23 00:35:05,632 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 00:35:05,666 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 00:35:05,668 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 00:35:05,670 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 00:35:05,671 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 00:35:05,673 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41f964c8-2d86-4e85-978c-0323414935b1/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/nla-digbench-scaling/geo3-ll_valuebound5.c [2021-11-23 00:35:05,753 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41f964c8-2d86-4e85-978c-0323414935b1/bin/ukojak-LBtLqBUTdQ/data/81b91a4bf/5a9466658372433a83b45e8ec52920c1/FLAG78b25aabe [2021-11-23 00:35:06,204 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 00:35:06,204 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41f964c8-2d86-4e85-978c-0323414935b1/sv-benchmarks/c/nla-digbench-scaling/geo3-ll_valuebound5.c [2021-11-23 00:35:06,213 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41f964c8-2d86-4e85-978c-0323414935b1/bin/ukojak-LBtLqBUTdQ/data/81b91a4bf/5a9466658372433a83b45e8ec52920c1/FLAG78b25aabe [2021-11-23 00:35:06,577 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41f964c8-2d86-4e85-978c-0323414935b1/bin/ukojak-LBtLqBUTdQ/data/81b91a4bf/5a9466658372433a83b45e8ec52920c1 [2021-11-23 00:35:06,588 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 00:35:06,590 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 00:35:06,596 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 00:35:06,597 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 00:35:06,600 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 00:35:06,601 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:35:06" (1/1) ... [2021-11-23 00:35:06,602 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50246855 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:35:06, skipping insertion in model container [2021-11-23 00:35:06,602 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:35:06" (1/1) ... [2021-11-23 00:35:06,611 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 00:35:06,629 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 00:35:06,809 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41f964c8-2d86-4e85-978c-0323414935b1/sv-benchmarks/c/nla-digbench-scaling/geo3-ll_valuebound5.c[525,538] [2021-11-23 00:35:06,824 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:35:06,832 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 00:35:06,845 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41f964c8-2d86-4e85-978c-0323414935b1/sv-benchmarks/c/nla-digbench-scaling/geo3-ll_valuebound5.c[525,538] [2021-11-23 00:35:06,852 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:35:06,865 INFO L208 MainTranslator]: Completed translation [2021-11-23 00:35:06,866 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:35:06 WrapperNode [2021-11-23 00:35:06,866 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 00:35:06,868 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 00:35:06,868 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 00:35:06,868 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 00:35:06,876 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:35:06" (1/1) ... [2021-11-23 00:35:06,882 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:35:06" (1/1) ... [2021-11-23 00:35:06,901 INFO L137 Inliner]: procedures = 14, calls = 12, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 46 [2021-11-23 00:35:06,902 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 00:35:06,903 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 00:35:06,903 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 00:35:06,903 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 00:35:06,912 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:35:06" (1/1) ... [2021-11-23 00:35:06,912 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:35:06" (1/1) ... [2021-11-23 00:35:06,913 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:35:06" (1/1) ... [2021-11-23 00:35:06,914 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:35:06" (1/1) ... [2021-11-23 00:35:06,917 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:35:06" (1/1) ... [2021-11-23 00:35:06,921 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:35:06" (1/1) ... [2021-11-23 00:35:06,922 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:35:06" (1/1) ... [2021-11-23 00:35:06,924 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 00:35:06,925 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 00:35:06,925 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 00:35:06,926 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 00:35:06,927 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:35:06" (1/1) ... [2021-11-23 00:35:06,934 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:35:06,947 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41f964c8-2d86-4e85-978c-0323414935b1/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 00:35:06,963 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41f964c8-2d86-4e85-978c-0323414935b1/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 00:35:06,973 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41f964c8-2d86-4e85-978c-0323414935b1/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 00:35:07,007 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 00:35:07,007 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 00:35:07,007 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 00:35:07,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 00:35:07,007 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 00:35:07,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 00:35:07,008 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-23 00:35:07,008 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-23 00:35:07,072 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 00:35:07,074 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 00:35:07,185 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 00:35:07,206 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 00:35:07,206 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-23 00:35:07,209 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:35:07 BoogieIcfgContainer [2021-11-23 00:35:07,209 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 00:35:07,210 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 00:35:07,210 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 00:35:07,220 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 00:35:07,220 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:35:07" (1/1) ... [2021-11-23 00:35:07,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 00:35:07,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:07,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 21 states and 26 transitions. [2021-11-23 00:35:07,298 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 26 transitions. [2021-11-23 00:35:07,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 00:35:07,306 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:07,307 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:07,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:07,426 INFO L263 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:35:07,432 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:35:07,741 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-23 00:35:07,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:07,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 25 states and 32 transitions. [2021-11-23 00:35:07,858 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 32 transitions. [2021-11-23 00:35:07,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 00:35:07,861 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:07,861 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:07,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:07,908 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:35:07,910 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:35:08,081 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-23 00:35:08,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:08,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 29 states and 38 transitions. [2021-11-23 00:35:08,319 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 38 transitions. [2021-11-23 00:35:08,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 00:35:08,320 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:08,321 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:08,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:08,450 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-23 00:35:08,452 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:35:09,111 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 00:35:10,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:10,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 34 states and 50 transitions. [2021-11-23 00:35:10,088 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 50 transitions. [2021-11-23 00:35:10,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 00:35:10,090 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:10,090 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:10,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:10,134 INFO L263 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-23 00:35:10,136 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:35:10,501 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-23 00:35:11,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:11,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 37 states and 56 transitions. [2021-11-23 00:35:11,575 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 56 transitions. [2021-11-23 00:35:11,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 00:35:11,576 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:11,576 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:11,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:11,634 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-23 00:35:11,637 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:35:12,088 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 6 proven. 17 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-23 00:35:13,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:13,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 40 states and 61 transitions. [2021-11-23 00:35:13,840 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 61 transitions. [2021-11-23 00:35:13,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-23 00:35:13,842 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:13,842 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:13,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:13,895 INFO L263 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-23 00:35:13,898 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:35:14,507 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 28 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-11-23 00:35:17,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:17,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 43 states and 66 transitions. [2021-11-23 00:35:17,895 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 66 transitions. [2021-11-23 00:35:17,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-23 00:35:17,897 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:17,897 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:17,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:17,934 INFO L263 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:35:17,936 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:35:18,441 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2021-11-23 00:35:27,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:27,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 31 states and 43 transitions. [2021-11-23 00:35:27,548 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 43 transitions. [2021-11-23 00:35:27,550 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-23 00:35:27,552 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 8 iterations. [2021-11-23 00:35:27,566 INFO L754 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2021-11-23 00:35:27,896 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:35:27,899 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:35:27,899 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 12:35:27 ImpRootNode [2021-11-23 00:35:27,900 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-11-23 00:35:27,900 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-23 00:35:27,900 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-23 00:35:27,901 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-23 00:35:27,901 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:35:07" (3/4) ... [2021-11-23 00:35:27,904 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-23 00:35:27,909 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2021-11-23 00:35:27,909 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2021-11-23 00:35:27,912 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2021-11-23 00:35:27,913 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2021-11-23 00:35:27,913 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2021-11-23 00:35:27,913 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-23 00:35:27,967 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41f964c8-2d86-4e85-978c-0323414935b1/bin/ukojak-LBtLqBUTdQ/witness.graphml [2021-11-23 00:35:27,971 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-23 00:35:27,972 INFO L158 Benchmark]: Toolchain (without parser) took 21381.75ms. Allocated memory was 88.1MB in the beginning and 132.1MB in the end (delta: 44.0MB). Free memory was 52.4MB in the beginning and 49.8MB in the end (delta: 2.6MB). Peak memory consumption was 45.3MB. Max. memory is 16.1GB. [2021-11-23 00:35:27,972 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 88.1MB. Free memory is still 68.5MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 00:35:27,974 INFO L158 Benchmark]: CACSL2BoogieTranslator took 270.25ms. Allocated memory was 88.1MB in the beginning and 107.0MB in the end (delta: 18.9MB). Free memory was 52.2MB in the beginning and 83.4MB in the end (delta: -31.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 00:35:27,977 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.59ms. Allocated memory is still 107.0MB. Free memory was 83.4MB in the beginning and 82.2MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 00:35:27,978 INFO L158 Benchmark]: Boogie Preprocessor took 21.69ms. Allocated memory is still 107.0MB. Free memory was 82.2MB in the beginning and 81.1MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 00:35:27,978 INFO L158 Benchmark]: RCFGBuilder took 284.11ms. Allocated memory is still 107.0MB. Free memory was 81.1MB in the beginning and 70.8MB in the end (delta: 10.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 00:35:27,979 INFO L158 Benchmark]: CodeCheck took 20689.97ms. Allocated memory was 107.0MB in the beginning and 132.1MB in the end (delta: 25.2MB). Free memory was 70.8MB in the beginning and 52.9MB in the end (delta: 18.0MB). Peak memory consumption was 46.0MB. Max. memory is 16.1GB. [2021-11-23 00:35:27,979 INFO L158 Benchmark]: Witness Printer took 70.67ms. Allocated memory is still 132.1MB. Free memory was 51.9MB in the beginning and 49.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 00:35:27,982 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 3 procedures, 21 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 20.3s, OverallIterations: 8, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 426 SdHoareTripleChecker+Valid, 4.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 123 mSDsluCounter, 358 SdHoareTripleChecker+Invalid, 4.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 182 mSDsCounter, 303 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 772 IncrementalHoareTripleChecker+Invalid, 1075 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 303 mSolverCounterUnsat, 176 mSDtfsCounter, 772 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1884 GetRequests, 1730 SyntacticMatches, 52 SemanticMatches, 102 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3649 ImplicationChecksByTransitivity, 15.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 3.1s InterpolantComputationTime, 237 NumberOfCodeBlocks, 237 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 230 ConstructedInterpolants, 0 QuantifiedInterpolants, 1796 SizeOfPredicates, 17 NumberOfNonLiveVariables, 804 ConjunctsInSsa, 154 ConjunctsInUnsatCore, 7 InterpolantComputations, 2 PerfectInterpolantSequences, 184/244 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 17]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 36]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 46]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 88.1MB. Free memory is still 68.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 270.25ms. Allocated memory was 88.1MB in the beginning and 107.0MB in the end (delta: 18.9MB). Free memory was 52.2MB in the beginning and 83.4MB in the end (delta: -31.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.59ms. Allocated memory is still 107.0MB. Free memory was 83.4MB in the beginning and 82.2MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 21.69ms. Allocated memory is still 107.0MB. Free memory was 82.2MB in the beginning and 81.1MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 284.11ms. Allocated memory is still 107.0MB. Free memory was 81.1MB in the beginning and 70.8MB in the end (delta: 10.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 20689.97ms. Allocated memory was 107.0MB in the beginning and 132.1MB in the end (delta: 25.2MB). Free memory was 70.8MB in the beginning and 52.9MB in the end (delta: 18.0MB). Peak memory consumption was 46.0MB. Max. memory is 16.1GB. * Witness Printer took 70.67ms. Allocated memory is still 132.1MB. Free memory was 51.9MB in the beginning and 49.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2021-11-23 00:35:28,017 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41f964c8-2d86-4e85-978c-0323414935b1/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE