./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.4.prop4-back-serstep.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9682c8d-a767-4218-820e-3bdc0996fe56/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9682c8d-a767-4218-820e-3bdc0996fe56/bin/uautomizer-Dbtcem3rbc/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9682c8d-a767-4218-820e-3bdc0996fe56/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9682c8d-a767-4218-820e-3bdc0996fe56/bin/uautomizer-Dbtcem3rbc/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.4.prop4-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9682c8d-a767-4218-820e-3bdc0996fe56/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9682c8d-a767-4218-820e-3bdc0996fe56/bin/uautomizer-Dbtcem3rbc --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 Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 8a1ecdda9f5d6a357750bf0a391b213a595affe80541bfda3793ce0992da8b09 --- 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-5e519f3 [2022-11-02 20:44:48,438 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-02 20:44:48,442 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-02 20:44:48,477 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-02 20:44:48,478 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-02 20:44:48,479 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-02 20:44:48,481 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-02 20:44:48,483 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-02 20:44:48,485 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-02 20:44:48,486 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-02 20:44:48,487 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-02 20:44:48,488 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-02 20:44:48,489 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-02 20:44:48,490 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-02 20:44:48,492 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-02 20:44:48,493 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-02 20:44:48,494 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-02 20:44:48,495 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-02 20:44:48,497 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-02 20:44:48,499 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-02 20:44:48,501 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-02 20:44:48,504 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-02 20:44:48,506 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-02 20:44:48,507 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-02 20:44:48,511 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-02 20:44:48,511 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-02 20:44:48,511 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-02 20:44:48,513 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-02 20:44:48,513 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-02 20:44:48,514 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-02 20:44:48,515 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-02 20:44:48,516 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-02 20:44:48,527 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-02 20:44:48,528 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-02 20:44:48,529 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-02 20:44:48,530 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-02 20:44:48,532 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-02 20:44:48,533 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-02 20:44:48,533 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-02 20:44:48,534 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-02 20:44:48,535 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-02 20:44:48,536 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9682c8d-a767-4218-820e-3bdc0996fe56/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-02 20:44:48,582 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-02 20:44:48,583 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-02 20:44:48,583 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-02 20:44:48,583 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-02 20:44:48,584 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-02 20:44:48,584 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-02 20:44:48,585 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-02 20:44:48,585 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-02 20:44:48,585 INFO L138 SettingsManager]: * Use SBE=true [2022-11-02 20:44:48,585 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-02 20:44:48,586 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-02 20:44:48,586 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-02 20:44:48,586 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-02 20:44:48,586 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-02 20:44:48,586 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-02 20:44:48,587 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-02 20:44:48,587 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-02 20:44:48,587 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-02 20:44:48,587 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-02 20:44:48,588 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-02 20:44:48,588 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-02 20:44:48,588 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:44:48,593 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-02 20:44:48,594 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-02 20:44:48,594 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-02 20:44:48,594 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-02 20:44:48,594 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-02 20:44:48,595 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-02 20:44:48,595 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-02 20:44:48,596 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-02 20:44:48,596 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_b9682c8d-a767-4218-820e-3bdc0996fe56/bin/uautomizer-Dbtcem3rbc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9682c8d-a767-4218-820e-3bdc0996fe56/bin/uautomizer-Dbtcem3rbc Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8a1ecdda9f5d6a357750bf0a391b213a595affe80541bfda3793ce0992da8b09 [2022-11-02 20:44:48,952 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-02 20:44:48,989 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-02 20:44:48,992 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-02 20:44:48,995 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-02 20:44:48,997 INFO L275 PluginConnector]: CDTParser initialized [2022-11-02 20:44:48,999 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9682c8d-a767-4218-820e-3bdc0996fe56/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.4.prop4-back-serstep.c [2022-11-02 20:44:49,085 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9682c8d-a767-4218-820e-3bdc0996fe56/bin/uautomizer-Dbtcem3rbc/data/ca73370c5/52e97f5a7dee43c281174089d5df12ef/FLAG42c6d3f91 [2022-11-02 20:44:49,894 INFO L306 CDTParser]: Found 1 translation units. [2022-11-02 20:44:49,895 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9682c8d-a767-4218-820e-3bdc0996fe56/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.4.prop4-back-serstep.c [2022-11-02 20:44:49,924 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9682c8d-a767-4218-820e-3bdc0996fe56/bin/uautomizer-Dbtcem3rbc/data/ca73370c5/52e97f5a7dee43c281174089d5df12ef/FLAG42c6d3f91 [2022-11-02 20:44:50,444 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9682c8d-a767-4218-820e-3bdc0996fe56/bin/uautomizer-Dbtcem3rbc/data/ca73370c5/52e97f5a7dee43c281174089d5df12ef [2022-11-02 20:44:50,447 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-02 20:44:50,449 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-02 20:44:50,452 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-02 20:44:50,452 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-02 20:44:50,456 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-02 20:44:50,457 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:44:50" (1/1) ... [2022-11-02 20:44:50,459 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44ca56c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:44:50, skipping insertion in model container [2022-11-02 20:44:50,459 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:44:50" (1/1) ... [2022-11-02 20:44:50,467 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-02 20:44:50,621 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-02 20:44:51,032 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_b9682c8d-a767-4218-820e-3bdc0996fe56/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.4.prop4-back-serstep.c[1014,1027] [2022-11-02 20:44:52,035 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:44:52,039 INFO L203 MainTranslator]: Completed pre-run [2022-11-02 20:44:52,059 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_b9682c8d-a767-4218-820e-3bdc0996fe56/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.4.prop4-back-serstep.c[1014,1027] [2022-11-02 20:44:52,622 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:44:52,651 INFO L208 MainTranslator]: Completed translation [2022-11-02 20:44:52,651 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:44:52 WrapperNode [2022-11-02 20:44:52,653 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-02 20:44:52,655 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-02 20:44:52,656 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-02 20:44:52,656 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-02 20:44:52,666 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:44:52" (1/1) ... [2022-11-02 20:44:52,909 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:44:52" (1/1) ... [2022-11-02 20:44:53,956 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 8121 [2022-11-02 20:44:53,956 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-02 20:44:53,957 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-02 20:44:53,957 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-02 20:44:53,957 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-02 20:44:53,978 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:44:52" (1/1) ... [2022-11-02 20:44:53,978 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:44:52" (1/1) ... [2022-11-02 20:44:54,303 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:44:52" (1/1) ... [2022-11-02 20:44:54,320 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:44:52" (1/1) ... [2022-11-02 20:44:54,870 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:44:52" (1/1) ... [2022-11-02 20:44:54,910 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:44:52" (1/1) ... [2022-11-02 20:44:55,027 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:44:52" (1/1) ... [2022-11-02 20:44:55,055 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:44:52" (1/1) ... [2022-11-02 20:44:55,397 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-02 20:44:55,398 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-02 20:44:55,398 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-02 20:44:55,398 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-02 20:44:55,399 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:44:52" (1/1) ... [2022-11-02 20:44:55,419 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:44:55,454 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9682c8d-a767-4218-820e-3bdc0996fe56/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:44:55,490 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9682c8d-a767-4218-820e-3bdc0996fe56/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-02 20:44:55,554 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9682c8d-a767-4218-820e-3bdc0996fe56/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-02 20:44:55,626 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-02 20:44:55,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-02 20:44:57,018 INFO L235 CfgBuilder]: Building ICFG [2022-11-02 20:44:57,021 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation