./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/recursive/Addition01-2.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_69264c69-384f-45df-9c03-18d3c6977361/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69264c69-384f-45df-9c03-18d3c6977361/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_69264c69-384f-45df-9c03-18d3c6977361/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69264c69-384f-45df-9c03-18d3c6977361/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/recursive/Addition01-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69264c69-384f-45df-9c03-18d3c6977361/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_69264c69-384f-45df-9c03-18d3c6977361/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 4af9e26294eb81d37b6ccb692d0b40e4bed5b0d6d3dd72d6af1a80634692c297 --- 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 17:01:06,429 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 17:01:06,431 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 17:01:06,478 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 17:01:06,479 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 17:01:06,483 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 17:01:06,486 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 17:01:06,493 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 17:01:06,496 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 17:01:06,503 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 17:01:06,505 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 17:01:06,506 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 17:01:06,506 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 17:01:06,507 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 17:01:06,509 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 17:01:06,510 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 17:01:06,511 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 17:01:06,512 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 17:01:06,515 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 17:01:06,522 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 17:01:06,525 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 17:01:06,527 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 17:01:06,531 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 17:01:06,533 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 17:01:06,542 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 17:01:06,542 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 17:01:06,542 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 17:01:06,545 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 17:01:06,545 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 17:01:06,546 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 17:01:06,547 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 17:01:06,549 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 17:01:06,551 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 17:01:06,552 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 17:01:06,555 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 17:01:06,555 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 17:01:06,557 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 17:01:06,558 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 17:01:06,558 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 17:01:06,559 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 17:01:06,560 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 17:01:06,561 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69264c69-384f-45df-9c03-18d3c6977361/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 17:01:06,612 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 17:01:06,612 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 17:01:06,613 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 17:01:06,614 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 17:01:06,614 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 17:01:06,615 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 17:01:06,615 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 17:01:06,615 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 17:01:06,615 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 17:01:06,616 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 17:01:06,617 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 17:01:06,617 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 17:01:06,617 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 17:01:06,618 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 17:01:06,618 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 17:01:06,618 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 17:01:06,618 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 17:01:06,619 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 17:01:06,619 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 17:01:06,619 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 17:01:06,619 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 17:01:06,619 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 17:01:06,620 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 17:01:06,620 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 17:01:06,620 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 17:01:06,620 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 17:01:06,620 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 17:01:06,621 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 17:01:06,621 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_69264c69-384f-45df-9c03-18d3c6977361/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69264c69-384f-45df-9c03-18d3c6977361/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4af9e26294eb81d37b6ccb692d0b40e4bed5b0d6d3dd72d6af1a80634692c297 [2022-10-17 17:01:06,938 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 17:01:06,977 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 17:01:06,980 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 17:01:06,981 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 17:01:06,983 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 17:01:06,984 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69264c69-384f-45df-9c03-18d3c6977361/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/recursive/Addition01-2.c [2022-10-17 17:01:07,070 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69264c69-384f-45df-9c03-18d3c6977361/bin/ukojak-92XMlrwhuB/data/03b5e3c7f/37627e4a62ac4ff39cd98d90afaca190/FLAG7df97e882 [2022-10-17 17:01:07,503 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 17:01:07,503 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69264c69-384f-45df-9c03-18d3c6977361/sv-benchmarks/c/recursive/Addition01-2.c [2022-10-17 17:01:07,517 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69264c69-384f-45df-9c03-18d3c6977361/bin/ukojak-92XMlrwhuB/data/03b5e3c7f/37627e4a62ac4ff39cd98d90afaca190/FLAG7df97e882 [2022-10-17 17:01:07,899 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69264c69-384f-45df-9c03-18d3c6977361/bin/ukojak-92XMlrwhuB/data/03b5e3c7f/37627e4a62ac4ff39cd98d90afaca190 [2022-10-17 17:01:07,902 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 17:01:07,903 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 17:01:07,905 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 17:01:07,905 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 17:01:07,909 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 17:01:07,910 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:01:07" (1/1) ... [2022-10-17 17:01:07,911 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3715db67 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:01:07, skipping insertion in model container [2022-10-17 17:01:07,911 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:01:07" (1/1) ... [2022-10-17 17:01:07,918 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 17:01:07,932 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 17:01:08,081 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_69264c69-384f-45df-9c03-18d3c6977361/sv-benchmarks/c/recursive/Addition01-2.c[1126,1139] [2022-10-17 17:01:08,084 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:01:08,092 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 17:01:08,120 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_69264c69-384f-45df-9c03-18d3c6977361/sv-benchmarks/c/recursive/Addition01-2.c[1126,1139] [2022-10-17 17:01:08,121 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:01:08,134 INFO L208 MainTranslator]: Completed translation [2022-10-17 17:01:08,135 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:01:08 WrapperNode [2022-10-17 17:01:08,135 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 17:01:08,136 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 17:01:08,137 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 17:01:08,137 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 17:01:08,150 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:01:08" (1/1) ... [2022-10-17 17:01:08,158 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:01:08" (1/1) ... [2022-10-17 17:01:08,176 INFO L138 Inliner]: procedures = 13, calls = 10, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 32 [2022-10-17 17:01:08,176 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 17:01:08,177 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 17:01:08,177 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 17:01:08,178 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 17:01:08,184 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:01:08" (1/1) ... [2022-10-17 17:01:08,184 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:01:08" (1/1) ... [2022-10-17 17:01:08,185 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:01:08" (1/1) ... [2022-10-17 17:01:08,185 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:01:08" (1/1) ... [2022-10-17 17:01:08,188 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:01:08" (1/1) ... [2022-10-17 17:01:08,190 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:01:08" (1/1) ... [2022-10-17 17:01:08,191 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:01:08" (1/1) ... [2022-10-17 17:01:08,192 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:01:08" (1/1) ... [2022-10-17 17:01:08,193 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 17:01:08,194 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 17:01:08,194 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 17:01:08,194 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 17:01:08,195 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:01:08" (1/1) ... [2022-10-17 17:01:08,202 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 17:01:08,214 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69264c69-384f-45df-9c03-18d3c6977361/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 17:01:08,233 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69264c69-384f-45df-9c03-18d3c6977361/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 17:01:08,266 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69264c69-384f-45df-9c03-18d3c6977361/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 17:01:08,286 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 17:01:08,286 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 17:01:08,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 17:01:08,288 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 17:01:08,288 INFO L130 BoogieDeclarations]: Found specification of procedure addition [2022-10-17 17:01:08,288 INFO L138 BoogieDeclarations]: Found implementation of procedure addition [2022-10-17 17:01:08,351 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 17:01:08,353 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 17:01:08,477 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 17:01:08,493 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 17:01:08,493 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-17 17:01:08,496 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:01:08 BoogieIcfgContainer [2022-10-17 17:01:08,496 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 17:01:08,497 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 17:01:08,498 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 17:01:08,507 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 17:01:08,507 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:01:08" (1/1) ... [2022-10-17 17:01:08,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 17:01:08,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:08,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 20 states and 27 transitions. [2022-10-17 17:01:08,584 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 27 transitions. [2022-10-17 17:01:08,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-17 17:01:08,591 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:08,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:08,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:09,182 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 17:01:09,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:09,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 24 states and 35 transitions. [2022-10-17 17:01:09,381 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 35 transitions. [2022-10-17 17:01:09,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 17:01:09,383 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:09,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:09,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:09,743 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 17:01:10,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:10,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 26 states and 38 transitions. [2022-10-17 17:01:10,020 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2022-10-17 17:01:10,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-10-17 17:01:10,021 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:10,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:10,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:10,402 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 17:01:11,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:11,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 29 states and 45 transitions. [2022-10-17 17:01:11,019 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 45 transitions. [2022-10-17 17:01:11,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-10-17 17:01:11,022 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:11,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:11,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:11,122 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 17:01:11,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:11,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 29 states and 41 transitions. [2022-10-17 17:01:11,180 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 41 transitions. [2022-10-17 17:01:11,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-10-17 17:01:11,182 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:11,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:11,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:11,497 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-17 17:01:11,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:11,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 22 states and 30 transitions. [2022-10-17 17:01:11,826 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 30 transitions. [2022-10-17 17:01:11,831 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-10-17 17:01:11,832 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 6 iterations. [2022-10-17 17:01:11,846 INFO L754 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2022-10-17 17:01:11,914 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 17:01:11,919 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 17.10 05:01:11 ImpRootNode [2022-10-17 17:01:11,919 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-10-17 17:01:11,920 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-10-17 17:01:11,920 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-10-17 17:01:11,920 INFO L275 PluginConnector]: Witness Printer initialized [2022-10-17 17:01:11,921 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:01:08" (3/4) ... [2022-10-17 17:01:11,925 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-10-17 17:01:11,932 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure addition [2022-10-17 17:01:11,939 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2022-10-17 17:01:11,940 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2022-10-17 17:01:11,940 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-10-17 17:01:11,940 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-10-17 17:01:12,001 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69264c69-384f-45df-9c03-18d3c6977361/bin/ukojak-92XMlrwhuB/witness.graphml [2022-10-17 17:01:12,002 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-10-17 17:01:12,003 INFO L158 Benchmark]: Toolchain (without parser) took 4099.31ms. Allocated memory was 104.9MB in the beginning and 125.8MB in the end (delta: 21.0MB). Free memory was 68.4MB in the beginning and 78.9MB in the end (delta: -10.5MB). Peak memory consumption was 10.1MB. Max. memory is 16.1GB. [2022-10-17 17:01:12,003 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 104.9MB. Free memory was 84.7MB in the beginning and 84.5MB in the end (delta: 139.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 17:01:12,006 INFO L158 Benchmark]: CACSL2BoogieTranslator took 230.70ms. Allocated memory is still 104.9MB. Free memory was 68.2MB in the beginning and 81.5MB in the end (delta: -13.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-10-17 17:01:12,007 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.15ms. Allocated memory is still 104.9MB. Free memory was 81.5MB in the beginning and 79.9MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 17:01:12,007 INFO L158 Benchmark]: Boogie Preprocessor took 16.25ms. Allocated memory is still 104.9MB. Free memory was 79.9MB in the beginning and 78.7MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 17:01:12,008 INFO L158 Benchmark]: RCFGBuilder took 302.37ms. Allocated memory is still 104.9MB. Free memory was 78.7MB in the beginning and 68.2MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-10-17 17:01:12,008 INFO L158 Benchmark]: CodeCheck took 3422.10ms. Allocated memory was 104.9MB in the beginning and 125.8MB in the end (delta: 21.0MB). Free memory was 68.2MB in the beginning and 81.0MB in the end (delta: -12.8MB). Peak memory consumption was 8.7MB. Max. memory is 16.1GB. [2022-10-17 17:01:12,009 INFO L158 Benchmark]: Witness Printer took 81.88ms. Allocated memory is still 125.8MB. Free memory was 81.0MB in the beginning and 78.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 17:01:12,011 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, 20 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 3.3s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 179 SdHoareTripleChecker+Valid, 1.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 55 mSDsluCounter, 138 SdHoareTripleChecker+Invalid, 1.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 58 mSDsCounter, 112 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 468 IncrementalHoareTripleChecker+Invalid, 580 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 112 mSolverCounterUnsat, 80 mSDtfsCounter, 468 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 830 GetRequests, 757 SyntacticMatches, 27 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 621 ImplicationChecksByTransitivity, 1.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 86 NumberOfCodeBlocks, 86 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 81 ConstructedInterpolants, 0 QuantifiedInterpolants, 497 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 2 PerfectInterpolantSequences, 10/23 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: 45]: 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: 28]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 104.9MB. Free memory was 84.7MB in the beginning and 84.5MB in the end (delta: 139.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 230.70ms. Allocated memory is still 104.9MB. Free memory was 68.2MB in the beginning and 81.5MB in the end (delta: -13.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.15ms. Allocated memory is still 104.9MB. Free memory was 81.5MB in the beginning and 79.9MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 16.25ms. Allocated memory is still 104.9MB. Free memory was 79.9MB in the beginning and 78.7MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 302.37ms. Allocated memory is still 104.9MB. Free memory was 78.7MB in the beginning and 68.2MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 3422.10ms. Allocated memory was 104.9MB in the beginning and 125.8MB in the end (delta: 21.0MB). Free memory was 68.2MB in the beginning and 81.0MB in the end (delta: -12.8MB). Peak memory consumption was 8.7MB. Max. memory is 16.1GB. * Witness Printer took 81.88ms. Allocated memory is still 125.8MB. Free memory was 81.0MB in the beginning and 78.9MB 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 17:01:12,059 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69264c69-384f-45df-9c03-18d3c6977361/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