./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded/rekh_nxt.3.M1.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_2d86f9b7-5a4c-45f3-9f95-47955d9863e1/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d86f9b7-5a4c-45f3-9f95-47955d9863e1/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_2d86f9b7-5a4c-45f3-9f95-47955d9863e1/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d86f9b7-5a4c-45f3-9f95-47955d9863e1/bin/utaipan-UUZaoUuFF8/config/TaipanReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/rekh_nxt.3.M1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d86f9b7-5a4c-45f3-9f95-47955d9863e1/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_2d86f9b7-5a4c-45f3-9f95-47955d9863e1/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 491770f936b11f9c816b5badf382b4c7289d40b54afe46cb60faa6a0ff48de66 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 02:11:25,035 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 02:11:25,039 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 02:11:25,107 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 02:11:25,108 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 02:11:25,110 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 02:11:25,112 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 02:11:25,116 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 02:11:25,119 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 02:11:25,121 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 02:11:25,123 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 02:11:25,125 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 02:11:25,126 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 02:11:25,128 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 02:11:25,130 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 02:11:25,133 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 02:11:25,134 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 02:11:25,136 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 02:11:25,140 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 02:11:25,143 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 02:11:25,146 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 02:11:25,149 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 02:11:25,151 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 02:11:25,153 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 02:11:25,158 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 02:11:25,159 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 02:11:25,160 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 02:11:25,161 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 02:11:25,162 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 02:11:25,164 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 02:11:25,165 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 02:11:25,166 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 02:11:25,168 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 02:11:25,169 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 02:11:25,171 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 02:11:25,172 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 02:11:25,173 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 02:11:25,174 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 02:11:25,174 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 02:11:25,176 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 02:11:25,177 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 02:11:25,179 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d86f9b7-5a4c-45f3-9f95-47955d9863e1/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-07 02:11:25,212 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 02:11:25,213 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 02:11:25,214 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 02:11:25,215 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 02:11:25,215 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 02:11:25,216 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 02:11:25,216 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-07 02:11:25,216 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 02:11:25,217 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 02:11:25,217 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-07 02:11:25,218 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-07 02:11:25,218 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 02:11:25,218 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-07 02:11:25,219 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-07 02:11:25,219 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-07 02:11:25,220 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 02:11:25,220 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 02:11:25,221 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 02:11:25,221 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 02:11:25,221 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 02:11:25,222 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 02:11:25,223 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 02:11:25,224 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 02:11:25,224 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 02:11:25,225 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 02:11:25,225 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 02:11:25,226 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 02:11:25,226 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 02:11:25,227 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 02:11:25,228 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 02:11:25,228 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 02:11:25,228 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 02:11:25,229 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 02:11:25,229 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 02:11:25,229 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-07 02:11:25,230 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-07 02:11:25,231 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 02:11:25,232 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 02:11:25,232 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 02:11:25,232 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_2d86f9b7-5a4c-45f3-9f95-47955d9863e1/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d86f9b7-5a4c-45f3-9f95-47955d9863e1/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 491770f936b11f9c816b5badf382b4c7289d40b54afe46cb60faa6a0ff48de66 [2021-11-07 02:11:25,604 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 02:11:25,635 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 02:11:25,640 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 02:11:25,641 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 02:11:25,642 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 02:11:25,644 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d86f9b7-5a4c-45f3-9f95-47955d9863e1/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/seq-mthreaded/rekh_nxt.3.M1.c [2021-11-07 02:11:25,759 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d86f9b7-5a4c-45f3-9f95-47955d9863e1/bin/utaipan-UUZaoUuFF8/data/07234a6cc/c61af80dcaab448084a82ed0dbe24c8e/FLAGce9cf17e4 [2021-11-07 02:11:26,564 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 02:11:26,566 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d86f9b7-5a4c-45f3-9f95-47955d9863e1/sv-benchmarks/c/seq-mthreaded/rekh_nxt.3.M1.c [2021-11-07 02:11:26,607 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d86f9b7-5a4c-45f3-9f95-47955d9863e1/bin/utaipan-UUZaoUuFF8/data/07234a6cc/c61af80dcaab448084a82ed0dbe24c8e/FLAGce9cf17e4 [2021-11-07 02:11:26,653 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d86f9b7-5a4c-45f3-9f95-47955d9863e1/bin/utaipan-UUZaoUuFF8/data/07234a6cc/c61af80dcaab448084a82ed0dbe24c8e [2021-11-07 02:11:26,658 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 02:11:26,662 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 02:11:26,664 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 02:11:26,665 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 02:11:26,669 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 02:11:26,671 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 02:11:26" (1/1) ... [2021-11-07 02:11:26,673 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@347b2e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:11:26, skipping insertion in model container [2021-11-07 02:11:26,674 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 02:11:26" (1/1) ... [2021-11-07 02:11:26,684 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 02:11:26,820 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 02:11:27,072 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_2d86f9b7-5a4c-45f3-9f95-47955d9863e1/sv-benchmarks/c/seq-mthreaded/rekh_nxt.3.M1.c[1762,1775] [2021-11-07 02:11:27,557 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 02:11:27,579 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 02:11:27,606 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_2d86f9b7-5a4c-45f3-9f95-47955d9863e1/sv-benchmarks/c/seq-mthreaded/rekh_nxt.3.M1.c[1762,1775] [2021-11-07 02:11:28,043 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 02:11:28,072 INFO L208 MainTranslator]: Completed translation [2021-11-07 02:11:28,073 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:11:28 WrapperNode [2021-11-07 02:11:28,074 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 02:11:28,075 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 02:11:28,076 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 02:11:28,076 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 02:11:28,086 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:11:28" (1/1) ... [2021-11-07 02:11:28,180 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:11:28" (1/1) ... [2021-11-07 02:11:42,240 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 02:11:42,241 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 02:11:42,242 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 02:11:42,242 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 02:11:42,251 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:11:28" (1/1) ... [2021-11-07 02:11:42,251 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:11:28" (1/1) ... [2021-11-07 02:11:43,013 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:11:28" (1/1) ... [2021-11-07 02:11:43,013 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:11:28" (1/1) ... [2021-11-07 02:11:45,136 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:11:28" (1/1) ... [2021-11-07 02:11:46,281 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:11:28" (1/1) ... [2021-11-07 02:11:46,481 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:11:28" (1/1) ... [2021-11-07 02:11:47,076 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 02:11:47,078 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 02:11:47,081 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 02:11:47,081 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 02:11:47,083 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:11:28" (1/1) ... [2021-11-07 02:11:47,092 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 02:11:47,110 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d86f9b7-5a4c-45f3-9f95-47955d9863e1/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 02:11:47,127 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d86f9b7-5a4c-45f3-9f95-47955d9863e1/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-07 02:11:47,147 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d86f9b7-5a4c-45f3-9f95-47955d9863e1/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-07 02:11:47,193 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-07 02:11:47,193 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-07 02:11:47,193 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-07 02:11:47,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-07 02:11:47,194 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-07 02:11:47,194 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 02:11:47,194 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start