./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/ps3-ll_valuebound1.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_8c6ac4b2-c1ab-4747-9e1d-c10fad4eb3ae/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c6ac4b2-c1ab-4747-9e1d-c10fad4eb3ae/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_8c6ac4b2-c1ab-4747-9e1d-c10fad4eb3ae/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c6ac4b2-c1ab-4747-9e1d-c10fad4eb3ae/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps3-ll_valuebound1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c6ac4b2-c1ab-4747-9e1d-c10fad4eb3ae/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_8c6ac4b2-c1ab-4747-9e1d-c10fad4eb3ae/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 72f1855a37efd37cce37062be898d726c14815dc11ea2d177e7b762da78d5470 --- 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 16:33:21,177 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:33:21,180 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:33:21,232 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:33:21,232 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:33:21,234 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:33:21,236 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:33:21,238 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:33:21,241 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:33:21,242 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:33:21,244 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:33:21,245 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:33:21,246 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:33:21,247 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:33:21,249 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:33:21,251 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:33:21,252 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:33:21,254 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:33:21,256 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:33:21,259 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:33:21,262 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:33:21,263 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:33:21,265 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:33:21,266 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:33:21,272 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:33:21,272 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:33:21,273 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:33:21,274 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:33:21,275 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:33:21,276 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:33:21,277 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:33:21,284 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:33:21,285 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:33:21,287 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:33:21,288 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:33:21,289 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:33:21,290 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:33:21,291 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:33:21,291 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:33:21,293 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:33:21,294 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:33:21,295 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c6ac4b2-c1ab-4747-9e1d-c10fad4eb3ae/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:33:21,326 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:33:21,326 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:33:21,327 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:33:21,327 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:33:21,328 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:33:21,328 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:33:21,328 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:33:21,329 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:33:21,329 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:33:21,329 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:33:21,329 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:33:21,330 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:33:21,330 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:33:21,330 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:33:21,330 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:33:21,330 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:33:21,331 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:33:21,331 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:33:21,331 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:33:21,331 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:33:21,332 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:33:21,332 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:33:21,332 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:33:21,332 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:33:21,333 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:33:21,333 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:33:21,333 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:33:21,333 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:33:21,334 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_8c6ac4b2-c1ab-4747-9e1d-c10fad4eb3ae/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c6ac4b2-c1ab-4747-9e1d-c10fad4eb3ae/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 72f1855a37efd37cce37062be898d726c14815dc11ea2d177e7b762da78d5470 [2022-10-17 16:33:21,594 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:33:21,621 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:33:21,624 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:33:21,626 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:33:21,627 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:33:21,630 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c6ac4b2-c1ab-4747-9e1d-c10fad4eb3ae/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/nla-digbench-scaling/ps3-ll_valuebound1.c [2022-10-17 16:33:21,713 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c6ac4b2-c1ab-4747-9e1d-c10fad4eb3ae/bin/ukojak-92XMlrwhuB/data/ba790fed9/fa9f3579e61546d39b296fe7a6e6a5fc/FLAG3ce8f0726 [2022-10-17 16:33:22,206 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:33:22,208 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c6ac4b2-c1ab-4747-9e1d-c10fad4eb3ae/sv-benchmarks/c/nla-digbench-scaling/ps3-ll_valuebound1.c [2022-10-17 16:33:22,220 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c6ac4b2-c1ab-4747-9e1d-c10fad4eb3ae/bin/ukojak-92XMlrwhuB/data/ba790fed9/fa9f3579e61546d39b296fe7a6e6a5fc/FLAG3ce8f0726 [2022-10-17 16:33:22,548 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c6ac4b2-c1ab-4747-9e1d-c10fad4eb3ae/bin/ukojak-92XMlrwhuB/data/ba790fed9/fa9f3579e61546d39b296fe7a6e6a5fc [2022-10-17 16:33:22,550 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:33:22,552 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:33:22,554 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:33:22,554 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:33:22,557 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:33:22,558 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:33:22" (1/1) ... [2022-10-17 16:33:22,559 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59ca2649 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:33:22, skipping insertion in model container [2022-10-17 16:33:22,560 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:33:22" (1/1) ... [2022-10-17 16:33:22,567 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:33:22,581 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:33:22,754 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_8c6ac4b2-c1ab-4747-9e1d-c10fad4eb3ae/sv-benchmarks/c/nla-digbench-scaling/ps3-ll_valuebound1.c[458,471] [2022-10-17 16:33:22,770 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:33:22,778 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:33:22,791 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_8c6ac4b2-c1ab-4747-9e1d-c10fad4eb3ae/sv-benchmarks/c/nla-digbench-scaling/ps3-ll_valuebound1.c[458,471] [2022-10-17 16:33:22,797 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:33:22,810 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:33:22,811 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:33:22 WrapperNode [2022-10-17 16:33:22,811 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:33:22,813 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:33:22,813 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:33:22,813 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:33:22,821 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:33:22" (1/1) ... [2022-10-17 16:33:22,828 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:33:22" (1/1) ... [2022-10-17 16:33:22,847 INFO L138 Inliner]: procedures = 14, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 37 [2022-10-17 16:33:22,848 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:33:22,849 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:33:22,849 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:33:22,849 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:33:22,859 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:33:22" (1/1) ... [2022-10-17 16:33:22,859 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:33:22" (1/1) ... [2022-10-17 16:33:22,861 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:33:22" (1/1) ... [2022-10-17 16:33:22,861 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:33:22" (1/1) ... [2022-10-17 16:33:22,864 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:33:22" (1/1) ... [2022-10-17 16:33:22,868 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:33:22" (1/1) ... [2022-10-17 16:33:22,869 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:33:22" (1/1) ... [2022-10-17 16:33:22,870 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:33:22" (1/1) ... [2022-10-17 16:33:22,872 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:33:22,873 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:33:22,873 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:33:22,873 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:33:22,877 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:33:22" (1/1) ... [2022-10-17 16:33:22,888 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:33:22,902 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c6ac4b2-c1ab-4747-9e1d-c10fad4eb3ae/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:33:22,918 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c6ac4b2-c1ab-4747-9e1d-c10fad4eb3ae/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:33:22,940 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c6ac4b2-c1ab-4747-9e1d-c10fad4eb3ae/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:33:22,969 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:33:22,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:33:22,971 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:33:22,972 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:33:22,972 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-10-17 16:33:22,972 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-10-17 16:33:23,049 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:33:23,052 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:33:23,243 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:33:23,294 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:33:23,298 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-17 16:33:23,302 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:33:23 BoogieIcfgContainer [2022-10-17 16:33:23,304 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:33:23,305 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:33:23,305 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:33:23,313 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:33:23,313 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:33:23" (1/1) ... [2022-10-17 16:33:23,337 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:33:23,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:33:23,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 13 states and 16 transitions. [2022-10-17 16:33:23,393 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 16 transitions. [2022-10-17 16:33:23,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-17 16:33:23,395 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:33:23,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:33:23,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:33:23,545 INFO L263 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-17 16:33:23,550 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:33:23,693 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 16:33:23,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:33:23,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 17 states and 22 transitions. [2022-10-17 16:33:23,824 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 22 transitions. [2022-10-17 16:33:23,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-17 16:33:23,829 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:33:23,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:33:23,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:33:23,892 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 16:33:23,913 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:33:24,082 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:33:24,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:33:24,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 21 states and 28 transitions. [2022-10-17 16:33:24,423 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 28 transitions. [2022-10-17 16:33:24,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 16:33:24,425 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:33:24,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:33:24,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:33:24,485 INFO L263 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 16:33:24,489 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:33:24,599 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:33:24,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:33:24,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2022-10-17 16:33:24,891 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2022-10-17 16:33:24,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-10-17 16:33:24,892 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:33:24,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:33:24,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:33:24,959 INFO L263 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 8 conjunts are in the unsatisfiable core [2022-10-17 16:33:24,965 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:33:25,145 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 16:33:25,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:33:25,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 14 states and 16 transitions. [2022-10-17 16:33:25,734 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2022-10-17 16:33:25,736 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-10-17 16:33:25,737 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 5 iterations. [2022-10-17 16:33:25,749 INFO L754 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2022-10-17 16:33:25,813 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 16:33:25,817 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 16:33:25,817 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 17.10 04:33:25 ImpRootNode [2022-10-17 16:33:25,818 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-10-17 16:33:25,818 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-10-17 16:33:25,818 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-10-17 16:33:25,819 INFO L275 PluginConnector]: Witness Printer initialized [2022-10-17 16:33:25,819 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:33:23" (3/4) ... [2022-10-17 16:33:25,823 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-10-17 16:33:25,829 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2022-10-17 16:33:25,838 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2022-10-17 16:33:25,838 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2022-10-17 16:33:25,839 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-10-17 16:33:25,839 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-10-17 16:33:25,882 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c6ac4b2-c1ab-4747-9e1d-c10fad4eb3ae/bin/ukojak-92XMlrwhuB/witness.graphml [2022-10-17 16:33:25,882 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-10-17 16:33:25,883 INFO L158 Benchmark]: Toolchain (without parser) took 3330.77ms. Allocated memory was 81.8MB in the beginning and 100.7MB in the end (delta: 18.9MB). Free memory was 57.9MB in the beginning and 70.1MB in the end (delta: -12.2MB). Peak memory consumption was 7.0MB. Max. memory is 16.1GB. [2022-10-17 16:33:25,884 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 81.8MB. Free memory is still 52.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:33:25,884 INFO L158 Benchmark]: CACSL2BoogieTranslator took 258.08ms. Allocated memory is still 81.8MB. Free memory was 57.6MB in the beginning and 57.3MB in the end (delta: 327.9kB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-10-17 16:33:25,885 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.54ms. Allocated memory is still 81.8MB. Free memory was 57.3MB in the beginning and 55.8MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:33:25,886 INFO L158 Benchmark]: Boogie Preprocessor took 23.34ms. Allocated memory is still 81.8MB. Free memory was 55.8MB in the beginning and 54.6MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:33:25,886 INFO L158 Benchmark]: RCFGBuilder took 430.81ms. Allocated memory is still 81.8MB. Free memory was 54.6MB in the beginning and 43.7MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-10-17 16:33:25,887 INFO L158 Benchmark]: CodeCheck took 2513.18ms. Allocated memory was 81.8MB in the beginning and 100.7MB in the end (delta: 18.9MB). Free memory was 43.4MB in the beginning and 73.1MB in the end (delta: -29.6MB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:33:25,888 INFO L158 Benchmark]: Witness Printer took 63.86ms. Allocated memory is still 100.7MB. Free memory was 73.1MB in the beginning and 70.1MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:33:25,891 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, 13 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.4s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 75 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 31 mSDsluCounter, 80 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 40 mSDsCounter, 82 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 185 IncrementalHoareTripleChecker+Invalid, 267 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 82 mSolverCounterUnsat, 40 mSDtfsCounter, 185 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 449 GetRequests, 403 SyntacticMatches, 4 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 474 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 51 NumberOfCodeBlocks, 51 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 47 ConstructedInterpolants, 0 QuantifiedInterpolants, 199 SizeOfPredicates, 6 NumberOfNonLiveVariables, 253 ConjunctsInSsa, 37 ConjunctsInUnsatCore, 4 InterpolantComputations, 2 PerfectInterpolantSequences, 18/21 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: 12]: 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: 27]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 37]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 81.8MB. Free memory is still 52.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 258.08ms. Allocated memory is still 81.8MB. Free memory was 57.6MB in the beginning and 57.3MB in the end (delta: 327.9kB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.54ms. Allocated memory is still 81.8MB. Free memory was 57.3MB in the beginning and 55.8MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 23.34ms. Allocated memory is still 81.8MB. Free memory was 55.8MB in the beginning and 54.6MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 430.81ms. Allocated memory is still 81.8MB. Free memory was 54.6MB in the beginning and 43.7MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 2513.18ms. Allocated memory was 81.8MB in the beginning and 100.7MB in the end (delta: 18.9MB). Free memory was 43.4MB in the beginning and 73.1MB in the end (delta: -29.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 63.86ms. Allocated memory is still 100.7MB. Free memory was 73.1MB in the beginning and 70.1MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-10-17 16:33:25,925 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c6ac4b2-c1ab-4747-9e1d-c10fad4eb3ae/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE