./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/recursive-simple/id_b2_o3.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7ecda5b-3763-48f0-abe3-73d2fbd1b0c8/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7ecda5b-3763-48f0-abe3-73d2fbd1b0c8/bin/ukojak-92XMlrwhuB/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7ecda5b-3763-48f0-abe3-73d2fbd1b0c8/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7ecda5b-3763-48f0-abe3-73d2fbd1b0c8/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/recursive-simple/id_b2_o3.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7ecda5b-3763-48f0-abe3-73d2fbd1b0c8/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7ecda5b-3763-48f0-abe3-73d2fbd1b0c8/bin/ukojak-92XMlrwhuB --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 2bbfc52b9a0467d32481e7413235257f8cdbdcb51c829bb358c94a1739554a21 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-dbf71c6-m [2022-10-17 16:33:43,094 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:33:43,097 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:33:43,158 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:33:43,159 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:33:43,165 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:33:43,168 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:33:43,171 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:33:43,174 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:33:43,182 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:33:43,187 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:33:43,188 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:33:43,190 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:33:43,193 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:33:43,195 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:33:43,198 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:33:43,200 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:33:43,201 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:33:43,203 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:33:43,214 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:33:43,216 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:33:43,218 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:33:43,221 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:33:43,223 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:33:43,227 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:33:43,228 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:33:43,228 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:33:43,230 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:33:43,231 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:33:43,232 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:33:43,232 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:33:43,233 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:33:43,235 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:33:43,237 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:33:43,238 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:33:43,238 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:33:43,239 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:33:43,239 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:33:43,240 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:33:43,241 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:33:43,241 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:33:43,242 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7ecda5b-3763-48f0-abe3-73d2fbd1b0c8/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:33:43,282 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:33:43,283 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:33:43,284 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:33:43,285 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:33:43,285 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:33:43,286 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:33:43,286 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:33:43,286 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:33:43,286 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:33:43,287 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:33:43,288 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:33:43,288 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:33:43,288 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:33:43,288 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:33:43,289 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:33:43,289 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:33:43,289 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:33:43,289 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:33:43,290 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:33:43,290 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:33:43,290 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:33:43,290 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:33:43,291 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:33:43,291 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:33:43,291 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:33:43,291 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:33:43,291 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:33:43,292 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:33:43,292 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_a7ecda5b-3763-48f0-abe3-73d2fbd1b0c8/bin/ukojak-92XMlrwhuB/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7ecda5b-3763-48f0-abe3-73d2fbd1b0c8/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2bbfc52b9a0467d32481e7413235257f8cdbdcb51c829bb358c94a1739554a21 [2022-10-17 16:33:43,572 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:33:43,597 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:33:43,599 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:33:43,600 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:33:43,602 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:33:43,603 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7ecda5b-3763-48f0-abe3-73d2fbd1b0c8/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/recursive-simple/id_b2_o3.c [2022-10-17 16:33:43,685 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7ecda5b-3763-48f0-abe3-73d2fbd1b0c8/bin/ukojak-92XMlrwhuB/data/426f0b4da/bc6c94b09cc447cdb90409bbc6c962aa/FLAGc33215e97 [2022-10-17 16:33:44,108 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:33:44,110 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7ecda5b-3763-48f0-abe3-73d2fbd1b0c8/sv-benchmarks/c/recursive-simple/id_b2_o3.c [2022-10-17 16:33:44,117 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7ecda5b-3763-48f0-abe3-73d2fbd1b0c8/bin/ukojak-92XMlrwhuB/data/426f0b4da/bc6c94b09cc447cdb90409bbc6c962aa/FLAGc33215e97 [2022-10-17 16:33:44,489 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7ecda5b-3763-48f0-abe3-73d2fbd1b0c8/bin/ukojak-92XMlrwhuB/data/426f0b4da/bc6c94b09cc447cdb90409bbc6c962aa [2022-10-17 16:33:44,491 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:33:44,493 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:33:44,495 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:33:44,495 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:33:44,499 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:33:44,499 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:33:44" (1/1) ... [2022-10-17 16:33:44,501 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ca2c978 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:33:44, skipping insertion in model container [2022-10-17 16:33:44,501 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:33:44" (1/1) ... [2022-10-17 16:33:44,509 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:33:44,522 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:33:44,713 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_a7ecda5b-3763-48f0-abe3-73d2fbd1b0c8/sv-benchmarks/c/recursive-simple/id_b2_o3.c[568,581] [2022-10-17 16:33:44,718 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:33:44,731 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:33:44,745 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_a7ecda5b-3763-48f0-abe3-73d2fbd1b0c8/sv-benchmarks/c/recursive-simple/id_b2_o3.c[568,581] [2022-10-17 16:33:44,746 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:33:44,760 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:33:44,760 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:33:44 WrapperNode [2022-10-17 16:33:44,761 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:33:44,764 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:33:44,764 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:33:44,766 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:33:44,775 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:33:44" (1/1) ... [2022-10-17 16:33:44,783 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:33:44" (1/1) ... [2022-10-17 16:33:44,802 INFO L138 Inliner]: procedures = 13, calls = 9, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 19 [2022-10-17 16:33:44,803 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:33:44,804 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:33:44,804 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:33:44,804 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:33:44,813 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:33:44" (1/1) ... [2022-10-17 16:33:44,814 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:33:44" (1/1) ... [2022-10-17 16:33:44,815 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:33:44" (1/1) ... [2022-10-17 16:33:44,816 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:33:44" (1/1) ... [2022-10-17 16:33:44,819 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:33:44" (1/1) ... [2022-10-17 16:33:44,821 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:33:44" (1/1) ... [2022-10-17 16:33:44,829 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:33:44" (1/1) ... [2022-10-17 16:33:44,830 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:33:44" (1/1) ... [2022-10-17 16:33:44,832 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:33:44,833 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:33:44,833 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:33:44,834 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:33:44,835 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:33:44" (1/1) ... [2022-10-17 16:33:44,842 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:33:44,854 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7ecda5b-3763-48f0-abe3-73d2fbd1b0c8/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:33:44,879 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7ecda5b-3763-48f0-abe3-73d2fbd1b0c8/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:33:44,910 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7ecda5b-3763-48f0-abe3-73d2fbd1b0c8/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:33:44,929 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:33:44,929 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:33:44,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:33:44,930 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:33:44,930 INFO L130 BoogieDeclarations]: Found specification of procedure id [2022-10-17 16:33:44,930 INFO L138 BoogieDeclarations]: Found implementation of procedure id [2022-10-17 16:33:44,999 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:33:45,001 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:33:45,151 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:33:45,177 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:33:45,177 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-17 16:33:45,179 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:33:45 BoogieIcfgContainer [2022-10-17 16:33:45,179 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:33:45,180 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:33:45,180 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:33:45,193 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:33:45,194 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:33:45" (1/1) ... [2022-10-17 16:33:45,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:33:45,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:33:45,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2022-10-17 16:33:45,267 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2022-10-17 16:33:45,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-17 16:33:45,272 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:33:45,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:33:45,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:33:45,532 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:33:45,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:33:45,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 18 states and 21 transitions. [2022-10-17 16:33:45,685 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 21 transitions. [2022-10-17 16:33:45,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 16:33:45,686 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:33:45,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:33:45,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:33:46,148 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:33:46,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:33:46,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 23 states and 27 transitions. [2022-10-17 16:33:46,554 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 27 transitions. [2022-10-17 16:33:46,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-10-17 16:33:46,556 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:33:46,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:33:46,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:33:46,988 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-10-17 16:33:47,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:33:47,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 28 states and 34 transitions. [2022-10-17 16:33:47,420 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 34 transitions. [2022-10-17 16:33:47,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-10-17 16:33:47,422 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:33:47,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:33:47,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:33:47,739 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-10-17 16:33:48,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:33:48,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 26 states and 32 transitions. [2022-10-17 16:33:48,266 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 32 transitions. [2022-10-17 16:33:48,267 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-10-17 16:33:48,268 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 5 iterations. [2022-10-17 16:33:48,277 INFO L754 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2022-10-17 16:33:48,402 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 17.10 04:33:48 ImpRootNode [2022-10-17 16:33:48,402 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-10-17 16:33:48,402 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-10-17 16:33:48,403 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-10-17 16:33:48,403 INFO L275 PluginConnector]: Witness Printer initialized [2022-10-17 16:33:48,403 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:33:45" (3/4) ... [2022-10-17 16:33:48,406 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-10-17 16:33:48,412 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure id [2022-10-17 16:33:48,420 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2022-10-17 16:33:48,420 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-10-17 16:33:48,421 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-10-17 16:33:48,421 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-10-17 16:33:48,473 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7ecda5b-3763-48f0-abe3-73d2fbd1b0c8/bin/ukojak-92XMlrwhuB/witness.graphml [2022-10-17 16:33:48,476 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-10-17 16:33:48,477 INFO L158 Benchmark]: Toolchain (without parser) took 3983.92ms. Allocated memory was 127.9MB in the beginning and 155.2MB in the end (delta: 27.3MB). Free memory was 96.2MB in the beginning and 98.9MB in the end (delta: -2.7MB). Peak memory consumption was 22.8MB. Max. memory is 16.1GB. [2022-10-17 16:33:48,478 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 104.9MB. Free memory was 58.9MB in the beginning and 58.8MB in the end (delta: 47.6kB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:33:48,478 INFO L158 Benchmark]: CACSL2BoogieTranslator took 266.25ms. Allocated memory is still 127.9MB. Free memory was 95.9MB in the beginning and 103.7MB in the end (delta: -7.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-10-17 16:33:48,479 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.40ms. Allocated memory is still 127.9MB. Free memory was 103.7MB in the beginning and 102.4MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:33:48,479 INFO L158 Benchmark]: Boogie Preprocessor took 28.03ms. Allocated memory is still 127.9MB. Free memory was 102.4MB in the beginning and 101.5MB in the end (delta: 926.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:33:48,480 INFO L158 Benchmark]: RCFGBuilder took 346.63ms. Allocated memory is still 127.9MB. Free memory was 101.5MB in the beginning and 91.6MB in the end (delta: 9.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-10-17 16:33:48,481 INFO L158 Benchmark]: CodeCheck took 3221.52ms. Allocated memory was 127.9MB in the beginning and 155.2MB in the end (delta: 27.3MB). Free memory was 91.6MB in the beginning and 100.9MB in the end (delta: -9.4MB). Peak memory consumption was 19.3MB. Max. memory is 16.1GB. [2022-10-17 16:33:48,481 INFO L158 Benchmark]: Witness Printer took 73.69ms. Allocated memory is still 155.2MB. Free memory was 100.9MB in the beginning and 98.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:33:48,488 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 2 procedures, 14 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 3.1s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 90 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 20 mSDsluCounter, 84 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 32 mSDsCounter, 78 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 168 IncrementalHoareTripleChecker+Invalid, 246 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 78 mSolverCounterUnsat, 52 mSDtfsCounter, 168 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 462 GetRequests, 412 SyntacticMatches, 2 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 609 ImplicationChecksByTransitivity, 1.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 72 NumberOfCodeBlocks, 72 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 68 ConstructedInterpolants, 0 QuantifiedInterpolants, 188 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 2 PerfectInterpolantSequences, 39/48 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 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 104.9MB. Free memory was 58.9MB in the beginning and 58.8MB in the end (delta: 47.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 266.25ms. Allocated memory is still 127.9MB. Free memory was 95.9MB in the beginning and 103.7MB in the end (delta: -7.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.40ms. Allocated memory is still 127.9MB. Free memory was 103.7MB in the beginning and 102.4MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.03ms. Allocated memory is still 127.9MB. Free memory was 102.4MB in the beginning and 101.5MB in the end (delta: 926.9kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 346.63ms. Allocated memory is still 127.9MB. Free memory was 101.5MB in the beginning and 91.6MB in the end (delta: 9.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 3221.52ms. Allocated memory was 127.9MB in the beginning and 155.2MB in the end (delta: 27.3MB). Free memory was 91.6MB in the beginning and 100.9MB in the end (delta: -9.4MB). Peak memory consumption was 19.3MB. Max. memory is 16.1GB. * Witness Printer took 73.69ms. Allocated memory is still 155.2MB. Free memory was 100.9MB in the beginning and 98.9MB 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! [2022-10-17 16:33:48,537 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7ecda5b-3763-48f0-abe3-73d2fbd1b0c8/bin/ukojak-92XMlrwhuB/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