./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/combinations/pals_lcr.7_overflow.ufo.UNBOUNDED.pals+Problem12_label01.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 47ea0209 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d92961e-1d85-4a6f-aeb1-774493fe5581/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d92961e-1d85-4a6f-aeb1-774493fe5581/bin/utaipan-UUZaoUuFF8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d92961e-1d85-4a6f-aeb1-774493fe5581/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d92961e-1d85-4a6f-aeb1-774493fe5581/bin/utaipan-UUZaoUuFF8/config/TaipanReach.xml -i ../../sv-benchmarks/c/combinations/pals_lcr.7_overflow.ufo.UNBOUNDED.pals+Problem12_label01.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d92961e-1d85-4a6f-aeb1-774493fe5581/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d92961e-1d85-4a6f-aeb1-774493fe5581/bin/utaipan-UUZaoUuFF8 --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 596f65ba5fc98de39aedf2c9c49963dd6a8ddc81196892688e9bbe3427474102 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 01:21:38,109 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 01:21:38,112 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 01:21:38,175 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 01:21:38,176 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 01:21:38,177 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 01:21:38,179 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 01:21:38,181 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 01:21:38,183 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 01:21:38,185 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 01:21:38,186 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 01:21:38,187 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 01:21:38,188 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 01:21:38,190 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 01:21:38,191 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 01:21:38,193 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 01:21:38,194 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 01:21:38,196 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 01:21:38,198 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 01:21:38,201 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 01:21:38,203 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 01:21:38,213 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 01:21:38,214 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 01:21:38,215 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 01:21:38,219 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 01:21:38,220 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 01:21:38,220 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 01:21:38,221 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 01:21:38,222 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 01:21:38,223 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 01:21:38,224 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 01:21:38,225 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 01:21:38,226 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 01:21:38,227 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 01:21:38,230 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 01:21:38,231 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 01:21:38,232 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 01:21:38,232 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 01:21:38,233 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 01:21:38,234 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 01:21:38,235 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 01:21:38,235 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d92961e-1d85-4a6f-aeb1-774493fe5581/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-07 01:21:38,273 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 01:21:38,274 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 01:21:38,275 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 01:21:38,276 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 01:21:38,276 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 01:21:38,276 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 01:21:38,276 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-07 01:21:38,277 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 01:21:38,283 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 01:21:38,283 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-07 01:21:38,284 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-07 01:21:38,284 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 01:21:38,284 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-07 01:21:38,285 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-07 01:21:38,285 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-07 01:21:38,286 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 01:21:38,286 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 01:21:38,286 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 01:21:38,286 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 01:21:38,286 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 01:21:38,287 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 01:21:38,287 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 01:21:38,287 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 01:21:38,287 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 01:21:38,287 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 01:21:38,288 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 01:21:38,288 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 01:21:38,288 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 01:21:38,288 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 01:21:38,290 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 01:21:38,290 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:21:38,290 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 01:21:38,291 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 01:21:38,291 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 01:21:38,291 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-07 01:21:38,291 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-07 01:21:38,291 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 01:21:38,292 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 01:21:38,292 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 01:21:38,292 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_0d92961e-1d85-4a6f-aeb1-774493fe5581/bin/utaipan-UUZaoUuFF8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d92961e-1d85-4a6f-aeb1-774493fe5581/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 596f65ba5fc98de39aedf2c9c49963dd6a8ddc81196892688e9bbe3427474102 [2021-11-07 01:21:38,589 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 01:21:38,626 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 01:21:38,628 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 01:21:38,630 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 01:21:38,630 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 01:21:38,631 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d92961e-1d85-4a6f-aeb1-774493fe5581/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/combinations/pals_lcr.7_overflow.ufo.UNBOUNDED.pals+Problem12_label01.c [2021-11-07 01:21:38,729 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d92961e-1d85-4a6f-aeb1-774493fe5581/bin/utaipan-UUZaoUuFF8/data/b0851b8bf/944cf7fa85684c088b98f208a85943ed/FLAG14cf672c7 [2021-11-07 01:21:39,552 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 01:21:39,552 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d92961e-1d85-4a6f-aeb1-774493fe5581/sv-benchmarks/c/combinations/pals_lcr.7_overflow.ufo.UNBOUNDED.pals+Problem12_label01.c [2021-11-07 01:21:39,588 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d92961e-1d85-4a6f-aeb1-774493fe5581/bin/utaipan-UUZaoUuFF8/data/b0851b8bf/944cf7fa85684c088b98f208a85943ed/FLAG14cf672c7 [2021-11-07 01:21:40,044 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d92961e-1d85-4a6f-aeb1-774493fe5581/bin/utaipan-UUZaoUuFF8/data/b0851b8bf/944cf7fa85684c088b98f208a85943ed [2021-11-07 01:21:40,046 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 01:21:40,048 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 01:21:40,049 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 01:21:40,049 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 01:21:40,055 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 01:21:40,056 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:21:40" (1/1) ... [2021-11-07 01:21:40,058 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@614eca55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:21:40, skipping insertion in model container [2021-11-07 01:21:40,058 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:21:40" (1/1) ... [2021-11-07 01:21:40,065 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 01:21:40,209 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:21:40,693 WARN L228 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_0d92961e-1d85-4a6f-aeb1-774493fe5581/sv-benchmarks/c/combinations/pals_lcr.7_overflow.ufo.UNBOUNDED.pals+Problem12_label01.c[20646,20659] [2021-11-07 01:21:40,748 WARN L228 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_0d92961e-1d85-4a6f-aeb1-774493fe5581/sv-benchmarks/c/combinations/pals_lcr.7_overflow.ufo.UNBOUNDED.pals+Problem12_label01.c[25958,25971] [2021-11-07 01:21:41,622 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:21:41,635 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 01:21:41,687 WARN L228 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_0d92961e-1d85-4a6f-aeb1-774493fe5581/sv-benchmarks/c/combinations/pals_lcr.7_overflow.ufo.UNBOUNDED.pals+Problem12_label01.c[20646,20659] [2021-11-07 01:21:41,704 WARN L228 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_0d92961e-1d85-4a6f-aeb1-774493fe5581/sv-benchmarks/c/combinations/pals_lcr.7_overflow.ufo.UNBOUNDED.pals+Problem12_label01.c[25958,25971] [2021-11-07 01:21:42,297 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:21:42,330 INFO L208 MainTranslator]: Completed translation [2021-11-07 01:21:42,331 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:21:42 WrapperNode [2021-11-07 01:21:42,331 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 01:21:42,332 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 01:21:42,333 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 01:21:42,333 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 01:21:42,340 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:21:42" (1/1) ... [2021-11-07 01:21:42,402 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:21:42" (1/1) ... [2021-11-07 01:21:42,767 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 01:21:42,767 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 01:21:42,768 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 01:21:42,768 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 01:21:42,776 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:21:42" (1/1) ... [2021-11-07 01:21:42,777 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:21:42" (1/1) ... [2021-11-07 01:21:42,830 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:21:42" (1/1) ... [2021-11-07 01:21:42,830 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:21:42" (1/1) ... [2021-11-07 01:21:43,080 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:21:42" (1/1) ... [2021-11-07 01:21:43,124 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:21:42" (1/1) ... [2021-11-07 01:21:43,144 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:21:42" (1/1) ... [2021-11-07 01:21:43,254 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 01:21:43,263 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 01:21:43,264 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 01:21:43,264 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 01:21:43,265 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:21:42" (1/1) ... [2021-11-07 01:21:43,288 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:21:43,313 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d92961e-1d85-4a6f-aeb1-774493fe5581/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:21:43,354 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d92961e-1d85-4a6f-aeb1-774493fe5581/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-07 01:21:43,431 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d92961e-1d85-4a6f-aeb1-774493fe5581/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-07 01:21:43,488 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-07 01:21:43,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-07 01:21:43,489 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 01:21:43,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start