./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-zilu/benchmark10_conjunctive.i --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_5feccfe8-6e99-4b47-9653-a16ef7ef36ca/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5feccfe8-6e99-4b47-9653-a16ef7ef36ca/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_5feccfe8-6e99-4b47-9653-a16ef7ef36ca/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5feccfe8-6e99-4b47-9653-a16ef7ef36ca/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-zilu/benchmark10_conjunctive.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5feccfe8-6e99-4b47-9653-a16ef7ef36ca/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_5feccfe8-6e99-4b47-9653-a16ef7ef36ca/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 5a9444e5380fed44b00432b26b7edd9414dfa93ba2d2f76306ea753732eae2b3 --- 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 16:49:40,184 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:49:40,187 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:49:40,249 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:49:40,249 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:49:40,254 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:49:40,257 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:49:40,260 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:49:40,266 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:49:40,271 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:49:40,272 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:49:40,275 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:49:40,278 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:49:40,280 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:49:40,281 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:49:40,282 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:49:40,283 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:49:40,284 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:49:40,286 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:49:40,293 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:49:40,295 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:49:40,297 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:49:40,302 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:49:40,303 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:49:40,311 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:49:40,312 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:49:40,312 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:49:40,314 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:49:40,314 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:49:40,316 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:49:40,316 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:49:40,317 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:49:40,319 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:49:40,321 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:49:40,322 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:49:40,322 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:49:40,323 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:49:40,323 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:49:40,323 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:49:40,324 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:49:40,325 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:49:40,325 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5feccfe8-6e99-4b47-9653-a16ef7ef36ca/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:49:40,369 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:49:40,370 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:49:40,371 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:49:40,372 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:49:40,372 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:49:40,373 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:49:40,373 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:49:40,373 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:49:40,373 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:49:40,374 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:49:40,375 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:49:40,375 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:49:40,375 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:49:40,376 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:49:40,376 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:49:40,376 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:49:40,376 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:49:40,376 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:49:40,377 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:49:40,377 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:49:40,377 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:49:40,377 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:49:40,378 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:49:40,378 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:49:40,378 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:49:40,378 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:49:40,379 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:49:40,379 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:49:40,379 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_5feccfe8-6e99-4b47-9653-a16ef7ef36ca/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5feccfe8-6e99-4b47-9653-a16ef7ef36ca/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5a9444e5380fed44b00432b26b7edd9414dfa93ba2d2f76306ea753732eae2b3 [2022-10-17 16:49:40,675 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:49:40,697 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:49:40,700 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:49:40,702 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:49:40,703 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:49:40,704 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5feccfe8-6e99-4b47-9653-a16ef7ef36ca/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/loop-zilu/benchmark10_conjunctive.i [2022-10-17 16:49:40,782 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5feccfe8-6e99-4b47-9653-a16ef7ef36ca/bin/ukojak-92XMlrwhuB/data/dbc96995a/7ae8c335700746f8a2a9e6e65929dc96/FLAG5321cf6d1 [2022-10-17 16:49:41,322 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:49:41,323 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5feccfe8-6e99-4b47-9653-a16ef7ef36ca/sv-benchmarks/c/loop-zilu/benchmark10_conjunctive.i [2022-10-17 16:49:41,330 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5feccfe8-6e99-4b47-9653-a16ef7ef36ca/bin/ukojak-92XMlrwhuB/data/dbc96995a/7ae8c335700746f8a2a9e6e65929dc96/FLAG5321cf6d1 [2022-10-17 16:49:41,665 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5feccfe8-6e99-4b47-9653-a16ef7ef36ca/bin/ukojak-92XMlrwhuB/data/dbc96995a/7ae8c335700746f8a2a9e6e65929dc96 [2022-10-17 16:49:41,668 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:49:41,670 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:49:41,676 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:49:41,676 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:49:41,680 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:49:41,681 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:49:41" (1/1) ... [2022-10-17 16:49:41,684 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4122ddf1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:41, skipping insertion in model container [2022-10-17 16:49:41,684 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:49:41" (1/1) ... [2022-10-17 16:49:41,692 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:49:41,710 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:49:41,968 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_5feccfe8-6e99-4b47-9653-a16ef7ef36ca/sv-benchmarks/c/loop-zilu/benchmark10_conjunctive.i[873,886] [2022-10-17 16:49:41,984 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:49:41,993 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:49:42,008 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_5feccfe8-6e99-4b47-9653-a16ef7ef36ca/sv-benchmarks/c/loop-zilu/benchmark10_conjunctive.i[873,886] [2022-10-17 16:49:42,013 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:49:42,030 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:49:42,031 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:42 WrapperNode [2022-10-17 16:49:42,031 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:49:42,033 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:49:42,033 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:49:42,035 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:49:42,042 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:42" (1/1) ... [2022-10-17 16:49:42,050 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:42" (1/1) ... [2022-10-17 16:49:42,069 INFO L138 Inliner]: procedures = 15, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 32 [2022-10-17 16:49:42,070 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:49:42,071 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:49:42,071 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:49:42,071 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:49:42,081 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:42" (1/1) ... [2022-10-17 16:49:42,081 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:42" (1/1) ... [2022-10-17 16:49:42,083 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:42" (1/1) ... [2022-10-17 16:49:42,083 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:42" (1/1) ... [2022-10-17 16:49:42,088 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:42" (1/1) ... [2022-10-17 16:49:42,092 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:42" (1/1) ... [2022-10-17 16:49:42,098 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:42" (1/1) ... [2022-10-17 16:49:42,099 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:42" (1/1) ... [2022-10-17 16:49:42,107 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:49:42,108 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:49:42,109 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:49:42,109 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:49:42,110 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:42" (1/1) ... [2022-10-17 16:49:42,117 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:49:42,130 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5feccfe8-6e99-4b47-9653-a16ef7ef36ca/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:49:42,151 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5feccfe8-6e99-4b47-9653-a16ef7ef36ca/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:49:42,171 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5feccfe8-6e99-4b47-9653-a16ef7ef36ca/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:49:42,213 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:49:42,214 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:49:42,215 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:49:42,215 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:49:42,283 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:49:42,286 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:49:42,458 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:49:42,489 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:49:42,492 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-17 16:49:42,495 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:49:42 BoogieIcfgContainer [2022-10-17 16:49:42,495 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:49:42,497 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:49:42,497 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:49:42,508 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:49:42,508 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:49:42" (1/1) ... [2022-10-17 16:49:42,519 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:49:42,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:42,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 11 states and 14 transitions. [2022-10-17 16:49:42,602 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 14 transitions. [2022-10-17 16:49:42,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-17 16:49:42,605 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:42,606 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:42,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:42,779 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 16:49:42,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:42,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2022-10-17 16:49:42,814 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2022-10-17 16:49:42,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 16:49:42,815 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:42,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:42,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:42,892 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 16:49:42,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:42,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 12 states and 13 transitions. [2022-10-17 16:49:42,962 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 13 transitions. [2022-10-17 16:49:42,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-17 16:49:42,963 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:42,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:42,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:43,065 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:49:43,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:43,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2022-10-17 16:49:43,156 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2022-10-17 16:49:43,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-17 16:49:43,157 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:43,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:43,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:43,388 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 16:49:43,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:43,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 12 states and 13 transitions. [2022-10-17 16:49:43,918 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 13 transitions. [2022-10-17 16:49:43,918 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-10-17 16:49:43,919 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 5 iterations. [2022-10-17 16:49:43,928 INFO L754 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2022-10-17 16:49:43,967 INFO L560 CodeCheckObserver]: Invariant with dag size 17 [2022-10-17 16:49:43,983 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 16:49:43,984 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 17.10 04:49:43 ImpRootNode [2022-10-17 16:49:43,984 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-10-17 16:49:43,985 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-10-17 16:49:43,986 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-10-17 16:49:43,986 INFO L275 PluginConnector]: Witness Printer initialized [2022-10-17 16:49:43,987 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:49:42" (3/4) ... [2022-10-17 16:49:43,991 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-10-17 16:49:44,002 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2022-10-17 16:49:44,003 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-10-17 16:49:44,003 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-10-17 16:49:44,003 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-10-17 16:49:44,055 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5feccfe8-6e99-4b47-9653-a16ef7ef36ca/bin/ukojak-92XMlrwhuB/witness.graphml [2022-10-17 16:49:44,061 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-10-17 16:49:44,062 INFO L158 Benchmark]: Toolchain (without parser) took 2392.28ms. Allocated memory is still 119.5MB. Free memory was 82.6MB in the beginning and 81.3MB in the end (delta: 1.3MB). Peak memory consumption was 1.6MB. Max. memory is 16.1GB. [2022-10-17 16:49:44,063 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 119.5MB. Free memory is still 98.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:49:44,064 INFO L158 Benchmark]: CACSL2BoogieTranslator took 355.98ms. Allocated memory is still 119.5MB. Free memory was 82.5MB in the beginning and 96.1MB in the end (delta: -13.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-10-17 16:49:44,064 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.17ms. Allocated memory is still 119.5MB. Free memory was 96.1MB in the beginning and 94.6MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:49:44,065 INFO L158 Benchmark]: Boogie Preprocessor took 36.19ms. Allocated memory is still 119.5MB. Free memory was 94.6MB in the beginning and 93.5MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:49:44,065 INFO L158 Benchmark]: RCFGBuilder took 386.98ms. Allocated memory is still 119.5MB. Free memory was 93.5MB in the beginning and 83.6MB in the end (delta: 9.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-10-17 16:49:44,066 INFO L158 Benchmark]: CodeCheck took 1488.05ms. Allocated memory is still 119.5MB. Free memory was 83.6MB in the beginning and 84.2MB in the end (delta: -599.3kB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:49:44,067 INFO L158 Benchmark]: Witness Printer took 76.01ms. Allocated memory is still 119.5MB. Free memory was 84.2MB in the beginning and 81.3MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-10-17 16:49:44,072 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 1 procedures, 11 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.4s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 65 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 13 mSDsluCounter, 28 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 42 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 101 IncrementalHoareTripleChecker+Invalid, 143 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 42 mSolverCounterUnsat, 28 mSDtfsCounter, 101 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 227 GetRequests, 192 SyntacticMatches, 3 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 346 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 31 NumberOfCodeBlocks, 31 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 27 ConstructedInterpolants, 0 QuantifiedInterpolants, 59 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 2 PerfectInterpolantSequences, 2/5 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: 16]: 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: 23]: Loop Invariant Derived loop invariant: (((0 <= c + i && i <= 0) && 0 <= i) || (1 <= c && !(i <= 1))) || ((!(i <= 0) && 0 <= c) && i <= 1) - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 119.5MB. Free memory is still 98.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 355.98ms. Allocated memory is still 119.5MB. Free memory was 82.5MB in the beginning and 96.1MB in the end (delta: -13.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.17ms. Allocated memory is still 119.5MB. Free memory was 96.1MB in the beginning and 94.6MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 36.19ms. Allocated memory is still 119.5MB. Free memory was 94.6MB in the beginning and 93.5MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 386.98ms. Allocated memory is still 119.5MB. Free memory was 93.5MB in the beginning and 83.6MB in the end (delta: 9.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 1488.05ms. Allocated memory is still 119.5MB. Free memory was 83.6MB in the beginning and 84.2MB in the end (delta: -599.3kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 76.01ms. Allocated memory is still 119.5MB. Free memory was 84.2MB in the beginning and 81.3MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-10-17 16:49:44,123 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5feccfe8-6e99-4b47-9653-a16ef7ef36ca/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