./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.5.1.ufo.UNBOUNDED.pals.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_b424d79b-59fe-42f6-b170-07d97c6f5a75/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b424d79b-59fe-42f6-b170-07d97c6f5a75/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_b424d79b-59fe-42f6-b170-07d97c6f5a75/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b424d79b-59fe-42f6-b170-07d97c6f5a75/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.5.1.ufo.UNBOUNDED.pals.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b424d79b-59fe-42f6-b170-07d97c6f5a75/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_b424d79b-59fe-42f6-b170-07d97c6f5a75/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 c10298174dc8a10464920798633331c54bfb52691f05a28be9f9c0183eefe1d6 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 01:30:15,139 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 01:30:15,141 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 01:30:15,191 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 01:30:15,191 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 01:30:15,196 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 01:30:15,198 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 01:30:15,202 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 01:30:15,205 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 01:30:15,212 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 01:30:15,213 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 01:30:15,215 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 01:30:15,215 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 01:30:15,218 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 01:30:15,221 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 01:30:15,226 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 01:30:15,228 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 01:30:15,229 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 01:30:15,231 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 01:30:15,241 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 01:30:15,243 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 01:30:15,248 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 01:30:15,252 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 01:30:15,253 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 01:30:15,257 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 01:30:15,257 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 01:30:15,258 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 01:30:15,260 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 01:30:15,261 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 01:30:15,262 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 01:30:15,263 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 01:30:15,264 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 01:30:15,266 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 01:30:15,267 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 01:30:15,269 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 01:30:15,269 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 01:30:15,270 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 01:30:15,270 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 01:30:15,270 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 01:30:15,271 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 01:30:15,272 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 01:30:15,273 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b424d79b-59fe-42f6-b170-07d97c6f5a75/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 01:30:15,322 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 01:30:15,322 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 01:30:15,323 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 01:30:15,323 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 01:30:15,324 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 01:30:15,324 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 01:30:15,325 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 01:30:15,325 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 01:30:15,325 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 01:30:15,325 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 01:30:15,326 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 01:30:15,327 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 01:30:15,327 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 01:30:15,327 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 01:30:15,327 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 01:30:15,327 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 01:30:15,328 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 01:30:15,328 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 01:30:15,328 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 01:30:15,328 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 01:30:15,328 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 01:30:15,329 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:30:15,329 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 01:30:15,329 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 01:30:15,329 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 01:30:15,330 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 01:30:15,330 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 01:30:15,330 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 01:30:15,330 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_b424d79b-59fe-42f6-b170-07d97c6f5a75/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b424d79b-59fe-42f6-b170-07d97c6f5a75/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c10298174dc8a10464920798633331c54bfb52691f05a28be9f9c0183eefe1d6 [2021-11-23 01:30:15,608 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 01:30:15,631 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 01:30:15,633 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 01:30:15,634 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 01:30:15,635 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 01:30:15,636 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b424d79b-59fe-42f6-b170-07d97c6f5a75/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.5.1.ufo.UNBOUNDED.pals.c [2021-11-23 01:30:15,702 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b424d79b-59fe-42f6-b170-07d97c6f5a75/bin/ukojak-LBtLqBUTdQ/data/dfa3818a3/1cad9998f7d44088841169fa411bb008/FLAGbbde5e458 [2021-11-23 01:30:16,322 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 01:30:16,324 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b424d79b-59fe-42f6-b170-07d97c6f5a75/sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.5.1.ufo.UNBOUNDED.pals.c [2021-11-23 01:30:16,345 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b424d79b-59fe-42f6-b170-07d97c6f5a75/bin/ukojak-LBtLqBUTdQ/data/dfa3818a3/1cad9998f7d44088841169fa411bb008/FLAGbbde5e458 [2021-11-23 01:30:16,523 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b424d79b-59fe-42f6-b170-07d97c6f5a75/bin/ukojak-LBtLqBUTdQ/data/dfa3818a3/1cad9998f7d44088841169fa411bb008 [2021-11-23 01:30:16,525 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 01:30:16,526 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 01:30:16,527 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 01:30:16,528 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 01:30:16,531 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 01:30:16,532 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:30:16" (1/1) ... [2021-11-23 01:30:16,533 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f3e4d5c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:30:16, skipping insertion in model container [2021-11-23 01:30:16,533 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:30:16" (1/1) ... [2021-11-23 01:30:16,539 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 01:30:16,608 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:30:17,132 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_b424d79b-59fe-42f6-b170-07d97c6f5a75/sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.5.1.ufo.UNBOUNDED.pals.c[55979,55992] [2021-11-23 01:30:17,135 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:30:17,146 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 01:30:17,311 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_b424d79b-59fe-42f6-b170-07d97c6f5a75/sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.5.1.ufo.UNBOUNDED.pals.c[55979,55992] [2021-11-23 01:30:17,312 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:30:17,329 INFO L208 MainTranslator]: Completed translation [2021-11-23 01:30:17,330 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:30:17 WrapperNode [2021-11-23 01:30:17,330 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 01:30:17,331 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 01:30:17,331 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 01:30:17,332 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 01:30:17,339 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:30:17" (1/1) ... [2021-11-23 01:30:17,362 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:30:17" (1/1) ... [2021-11-23 01:30:17,472 INFO L137 Inliner]: procedures = 25, calls = 16, calls flagged for inlining = 11, calls inlined = 11, statements flattened = 2093 [2021-11-23 01:30:17,473 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 01:30:17,474 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 01:30:17,474 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 01:30:17,474 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 01:30:17,482 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:30:17" (1/1) ... [2021-11-23 01:30:17,483 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:30:17" (1/1) ... [2021-11-23 01:30:17,491 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:30:17" (1/1) ... [2021-11-23 01:30:17,497 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:30:17" (1/1) ... [2021-11-23 01:30:17,546 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:30:17" (1/1) ... [2021-11-23 01:30:17,573 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:30:17" (1/1) ... [2021-11-23 01:30:17,579 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:30:17" (1/1) ... [2021-11-23 01:30:17,592 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 01:30:17,605 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 01:30:17,607 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 01:30:17,607 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 01:30:17,608 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:30:17" (1/1) ... [2021-11-23 01:30:17,615 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:30:17,627 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b424d79b-59fe-42f6-b170-07d97c6f5a75/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 01:30:17,645 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b424d79b-59fe-42f6-b170-07d97c6f5a75/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 01:30:17,671 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b424d79b-59fe-42f6-b170-07d97c6f5a75/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 01:30:17,696 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 01:30:17,697 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 01:30:17,697 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 01:30:17,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 01:30:17,961 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 01:30:17,962 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 01:30:19,593 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 01:30:21,192 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 01:30:21,193 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-23 01:30:21,198 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:30:21 BoogieIcfgContainer [2021-11-23 01:30:21,198 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 01:30:21,200 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 01:30:21,200 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 01:30:21,209 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 01:30:21,210 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:30:21" (1/1) ... [2021-11-23 01:30:21,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:30:21,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:21,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 754 states to 441 states and 754 transitions. [2021-11-23 01:30:21,324 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 754 transitions. [2021-11-23 01:30:21,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-11-23 01:30:21,335 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:21,336 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:22,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:22,439 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:30:22,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:22,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 756 states to 442 states and 756 transitions. [2021-11-23 01:30:22,843 INFO L276 IsEmpty]: Start isEmpty. Operand 442 states and 756 transitions. [2021-11-23 01:30:22,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2021-11-23 01:30:22,852 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:22,854 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:23,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:23,362 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:30:23,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:23,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 762 states to 445 states and 762 transitions. [2021-11-23 01:30:23,765 INFO L276 IsEmpty]: Start isEmpty. Operand 445 states and 762 transitions. [2021-11-23 01:30:23,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2021-11-23 01:30:23,767 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:23,768 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:23,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:24,202 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:30:24,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:24,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 770 states to 449 states and 770 transitions. [2021-11-23 01:30:24,774 INFO L276 IsEmpty]: Start isEmpty. Operand 449 states and 770 transitions. [2021-11-23 01:30:24,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2021-11-23 01:30:24,777 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:24,778 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:24,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:25,147 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:30:25,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:25,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 780 states to 454 states and 780 transitions. [2021-11-23 01:30:25,968 INFO L276 IsEmpty]: Start isEmpty. Operand 454 states and 780 transitions. [2021-11-23 01:30:25,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2021-11-23 01:30:25,970 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:25,970 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:26,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:26,316 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:30:27,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:27,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 792 states to 460 states and 792 transitions. [2021-11-23 01:30:27,411 INFO L276 IsEmpty]: Start isEmpty. Operand 460 states and 792 transitions. [2021-11-23 01:30:27,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2021-11-23 01:30:27,413 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:27,413 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:27,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:27,793 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:30:29,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:29,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 806 states to 467 states and 806 transitions. [2021-11-23 01:30:29,282 INFO L276 IsEmpty]: Start isEmpty. Operand 467 states and 806 transitions. [2021-11-23 01:30:29,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2021-11-23 01:30:29,286 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:29,287 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:29,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:29,876 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:30:31,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:31,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 822 states to 476 states and 822 transitions. [2021-11-23 01:30:31,660 INFO L276 IsEmpty]: Start isEmpty. Operand 476 states and 822 transitions. [2021-11-23 01:30:31,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2021-11-23 01:30:31,662 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:31,662 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:32,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:33,267 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:30:35,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:35,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 837 states to 484 states and 837 transitions. [2021-11-23 01:30:35,354 INFO L276 IsEmpty]: Start isEmpty. Operand 484 states and 837 transitions. [2021-11-23 01:30:35,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2021-11-23 01:30:35,356 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:35,356 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:35,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:35,549 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:30:35,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:35,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 837 states to 485 states and 837 transitions. [2021-11-23 01:30:35,867 INFO L276 IsEmpty]: Start isEmpty. Operand 485 states and 837 transitions. [2021-11-23 01:30:35,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2021-11-23 01:30:35,869 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:35,870 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:35,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:36,045 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:30:36,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:36,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 838 states to 486 states and 838 transitions. [2021-11-23 01:30:36,073 INFO L276 IsEmpty]: Start isEmpty. Operand 486 states and 838 transitions. [2021-11-23 01:30:36,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2021-11-23 01:30:36,075 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:36,076 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:36,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:37,246 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:30:40,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:40,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 858 states to 498 states and 858 transitions. [2021-11-23 01:30:40,303 INFO L276 IsEmpty]: Start isEmpty. Operand 498 states and 858 transitions. [2021-11-23 01:30:40,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2021-11-23 01:30:40,305 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:40,305 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:40,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:40,667 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:30:40,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:40,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 863 states to 501 states and 863 transitions. [2021-11-23 01:30:40,946 INFO L276 IsEmpty]: Start isEmpty. Operand 501 states and 863 transitions. [2021-11-23 01:30:40,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2021-11-23 01:30:40,948 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:40,949 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:44,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:31:00,175 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:32:02,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:02,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1269 states to 638 states and 1269 transitions. [2021-11-23 01:32:02,855 INFO L276 IsEmpty]: Start isEmpty. Operand 638 states and 1269 transitions. [2021-11-23 01:32:02,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2021-11-23 01:32:02,858 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:02,858 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:03,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:04,066 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:33:03,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:03,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1307 states to 657 states and 1307 transitions. [2021-11-23 01:33:03,751 INFO L276 IsEmpty]: Start isEmpty. Operand 657 states and 1307 transitions. [2021-11-23 01:33:03,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2021-11-23 01:33:03,754 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:03,755 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:04,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:04,179 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:33:05,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:05,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1310 states to 658 states and 1310 transitions. [2021-11-23 01:33:05,456 INFO L276 IsEmpty]: Start isEmpty. Operand 658 states and 1310 transitions. [2021-11-23 01:33:05,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2021-11-23 01:33:05,462 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:05,463 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:07,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:12,975 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:35:11,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:11,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1724 states to 796 states and 1724 transitions. [2021-11-23 01:35:11,030 INFO L276 IsEmpty]: Start isEmpty. Operand 796 states and 1724 transitions. [2021-11-23 01:35:11,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2021-11-23 01:35:11,034 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:11,034 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:13,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:24,732 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:38:17,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:38:17,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2140 states to 934 states and 2140 transitions. [2021-11-23 01:38:17,786 INFO L276 IsEmpty]: Start isEmpty. Operand 934 states and 2140 transitions. [2021-11-23 01:38:17,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2021-11-23 01:38:17,791 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:38:17,791 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:38:19,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:38:31,345 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:42:24,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:42:24,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2562 states to 1072 states and 2562 transitions. [2021-11-23 01:42:24,741 INFO L276 IsEmpty]: Start isEmpty. Operand 1072 states and 2562 transitions. [2021-11-23 01:42:24,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2021-11-23 01:42:24,744 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:42:24,744 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:42:24,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:42:26,466 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:43:08,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:08,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2691 states to 1112 states and 2691 transitions. [2021-11-23 01:43:08,473 INFO L276 IsEmpty]: Start isEmpty. Operand 1112 states and 2691 transitions. [2021-11-23 01:43:08,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2021-11-23 01:43:08,476 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:08,476 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:08,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat