./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.2.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_b8b12fd0-9a2a-43d5-bfe1-25736ad364df/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8b12fd0-9a2a-43d5-bfe1-25736ad364df/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_b8b12fd0-9a2a-43d5-bfe1-25736ad364df/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8b12fd0-9a2a-43d5-bfe1-25736ad364df/bin/uautomizer-Dbtcem3rbc/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.2.prop4-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8b12fd0-9a2a-43d5-bfe1-25736ad364df/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_b8b12fd0-9a2a-43d5-bfe1-25736ad364df/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 dfcaa6be05ed265e75b92757765421ab661e23cbc7ac8810ec13dbe5659d6557 --- 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 20:56:11,040 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-02 20:56:11,045 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-02 20:56:11,076 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-02 20:56:11,077 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-02 20:56:11,078 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-02 20:56:11,080 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-02 20:56:11,082 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-02 20:56:11,083 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-02 20:56:11,084 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-02 20:56:11,085 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-02 20:56:11,087 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-02 20:56:11,087 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-02 20:56:11,088 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-02 20:56:11,090 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-02 20:56:11,091 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-02 20:56:11,092 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-02 20:56:11,093 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-02 20:56:11,094 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-02 20:56:11,096 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-02 20:56:11,098 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-02 20:56:11,099 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-02 20:56:11,100 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-02 20:56:11,101 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-02 20:56:11,105 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-02 20:56:11,105 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-02 20:56:11,106 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-02 20:56:11,107 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-02 20:56:11,107 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-02 20:56:11,108 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-02 20:56:11,108 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-02 20:56:11,109 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-02 20:56:11,110 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-02 20:56:11,111 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-02 20:56:11,112 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-02 20:56:11,112 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-02 20:56:11,113 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-02 20:56:11,113 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-02 20:56:11,114 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-02 20:56:11,115 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-02 20:56:11,115 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-02 20:56:11,116 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8b12fd0-9a2a-43d5-bfe1-25736ad364df/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-02 20:56:11,139 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-02 20:56:11,139 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-02 20:56:11,140 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-02 20:56:11,140 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-02 20:56:11,141 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-02 20:56:11,141 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-02 20:56:11,142 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-02 20:56:11,142 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-02 20:56:11,142 INFO L138 SettingsManager]: * Use SBE=true [2022-11-02 20:56:11,143 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-02 20:56:11,143 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-02 20:56:11,143 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-02 20:56:11,144 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-02 20:56:11,144 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-02 20:56:11,144 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-02 20:56:11,144 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-02 20:56:11,145 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-02 20:56:11,145 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-02 20:56:11,145 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-02 20:56:11,145 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-02 20:56:11,146 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-02 20:56:11,146 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:56:11,146 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-02 20:56:11,146 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-02 20:56:11,147 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-02 20:56:11,147 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-02 20:56:11,147 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-02 20:56:11,147 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-02 20:56:11,148 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-02 20:56:11,148 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-02 20:56:11,148 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_b8b12fd0-9a2a-43d5-bfe1-25736ad364df/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8b12fd0-9a2a-43d5-bfe1-25736ad364df/bin/uautomizer-Dbtcem3rbc Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dfcaa6be05ed265e75b92757765421ab661e23cbc7ac8810ec13dbe5659d6557 [2022-11-02 20:56:11,469 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-02 20:56:11,493 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-02 20:56:11,496 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-02 20:56:11,498 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-02 20:56:11,499 INFO L275 PluginConnector]: CDTParser initialized [2022-11-02 20:56:11,500 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8b12fd0-9a2a-43d5-bfe1-25736ad364df/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.2.prop4-back-serstep.c [2022-11-02 20:56:11,587 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8b12fd0-9a2a-43d5-bfe1-25736ad364df/bin/uautomizer-Dbtcem3rbc/data/8c517022d/b4ac82deb35343cf9a70b6271e9101bd/FLAG1a3072867 [2022-11-02 20:56:12,415 INFO L306 CDTParser]: Found 1 translation units. [2022-11-02 20:56:12,416 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8b12fd0-9a2a-43d5-bfe1-25736ad364df/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.2.prop4-back-serstep.c [2022-11-02 20:56:12,454 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8b12fd0-9a2a-43d5-bfe1-25736ad364df/bin/uautomizer-Dbtcem3rbc/data/8c517022d/b4ac82deb35343cf9a70b6271e9101bd/FLAG1a3072867 [2022-11-02 20:56:12,510 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8b12fd0-9a2a-43d5-bfe1-25736ad364df/bin/uautomizer-Dbtcem3rbc/data/8c517022d/b4ac82deb35343cf9a70b6271e9101bd [2022-11-02 20:56:12,516 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-02 20:56:12,518 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-02 20:56:12,523 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-02 20:56:12,524 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-02 20:56:12,528 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-02 20:56:12,529 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:56:12" (1/1) ... [2022-11-02 20:56:12,532 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f2135a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:56:12, skipping insertion in model container [2022-11-02 20:56:12,532 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:56:12" (1/1) ... [2022-11-02 20:56:12,540 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-02 20:56:12,663 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-02 20:56:13,003 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_b8b12fd0-9a2a-43d5-bfe1-25736ad364df/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.2.prop4-back-serstep.c[1014,1027] [2022-11-02 20:56:13,890 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:56:13,911 INFO L203 MainTranslator]: Completed pre-run [2022-11-02 20:56:13,923 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_b8b12fd0-9a2a-43d5-bfe1-25736ad364df/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.2.prop4-back-serstep.c[1014,1027] [2022-11-02 20:56:14,421 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:56:14,436 INFO L208 MainTranslator]: Completed translation [2022-11-02 20:56:14,437 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:56:14 WrapperNode [2022-11-02 20:56:14,439 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-02 20:56:14,441 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-02 20:56:14,442 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-02 20:56:14,442 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-02 20:56:14,451 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:56:14" (1/1) ... [2022-11-02 20:56:14,573 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:56:14" (1/1) ... [2022-11-02 20:56:15,404 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 5571 [2022-11-02 20:56:15,405 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-02 20:56:15,406 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-02 20:56:15,406 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-02 20:56:15,406 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-02 20:56:15,418 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:56:14" (1/1) ... [2022-11-02 20:56:15,419 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:56:14" (1/1) ... [2022-11-02 20:56:15,532 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:56:14" (1/1) ... [2022-11-02 20:56:15,533 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:56:14" (1/1) ... [2022-11-02 20:56:15,996 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:56:14" (1/1) ... [2022-11-02 20:56:16,027 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:56:14" (1/1) ... [2022-11-02 20:56:16,059 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:56:14" (1/1) ... [2022-11-02 20:56:16,166 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:56:14" (1/1) ... [2022-11-02 20:56:16,289 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-02 20:56:16,290 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-02 20:56:16,290 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-02 20:56:16,290 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-02 20:56:16,291 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:56:14" (1/1) ... [2022-11-02 20:56:16,299 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:56:16,311 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8b12fd0-9a2a-43d5-bfe1-25736ad364df/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:56:16,323 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8b12fd0-9a2a-43d5-bfe1-25736ad364df/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-02 20:56:16,337 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8b12fd0-9a2a-43d5-bfe1-25736ad364df/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-02 20:56:16,381 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-02 20:56:16,381 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-02 20:56:17,459 INFO L235 CfgBuilder]: Building ICFG [2022-11-02 20:56:17,462 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation