./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.firewire_tree.5.prop1-back-serstep.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 38b53e6a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a42b19c6-ef5e-43e6-8dae-1e138ef1511a/bin/uautomizer-ZsLfNo2U6R/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a42b19c6-ef5e-43e6-8dae-1e138ef1511a/bin/uautomizer-ZsLfNo2U6R/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a42b19c6-ef5e-43e6-8dae-1e138ef1511a/bin/uautomizer-ZsLfNo2U6R/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a42b19c6-ef5e-43e6-8dae-1e138ef1511a/bin/uautomizer-ZsLfNo2U6R/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.firewire_tree.5.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a42b19c6-ef5e-43e6-8dae-1e138ef1511a/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a42b19c6-ef5e-43e6-8dae-1e138ef1511a/bin/uautomizer-ZsLfNo2U6R --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 94719d6c547414010d31a9eabf0e1a977e372517399e707239fc3541d01c2ea1 --- 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-38b53e6 [2022-11-25 17:01:27,965 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 17:01:27,968 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 17:01:28,005 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 17:01:28,006 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 17:01:28,012 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 17:01:28,016 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 17:01:28,020 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 17:01:28,023 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 17:01:28,029 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 17:01:28,031 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 17:01:28,034 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 17:01:28,034 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 17:01:28,039 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 17:01:28,041 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 17:01:28,044 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 17:01:28,046 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 17:01:28,047 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 17:01:28,048 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 17:01:28,055 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 17:01:28,057 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 17:01:28,059 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 17:01:28,060 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 17:01:28,061 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 17:01:28,073 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 17:01:28,073 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 17:01:28,073 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 17:01:28,075 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 17:01:28,076 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 17:01:28,077 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 17:01:28,077 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 17:01:28,078 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 17:01:28,080 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 17:01:28,081 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 17:01:28,083 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 17:01:28,083 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 17:01:28,084 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 17:01:28,084 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 17:01:28,085 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 17:01:28,086 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 17:01:28,087 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 17:01:28,088 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a42b19c6-ef5e-43e6-8dae-1e138ef1511a/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-25 17:01:28,114 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 17:01:28,115 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 17:01:28,115 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 17:01:28,115 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 17:01:28,116 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 17:01:28,117 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 17:01:28,117 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 17:01:28,118 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 17:01:28,118 INFO L138 SettingsManager]: * Use SBE=true [2022-11-25 17:01:28,118 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 17:01:28,119 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 17:01:28,119 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 17:01:28,119 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 17:01:28,119 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 17:01:28,120 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 17:01:28,120 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 17:01:28,120 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 17:01:28,120 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 17:01:28,121 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 17:01:28,121 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 17:01:28,121 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 17:01:28,122 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 17:01:28,122 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 17:01:28,122 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 17:01:28,122 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 17:01:28,123 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-25 17:01:28,123 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 17:01:28,123 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-25 17:01:28,123 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 17:01:28,124 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-25 17:01:28,124 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-25 17:01:28,124 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_a42b19c6-ef5e-43e6-8dae-1e138ef1511a/bin/uautomizer-ZsLfNo2U6R/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a42b19c6-ef5e-43e6-8dae-1e138ef1511a/bin/uautomizer-ZsLfNo2U6R Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 94719d6c547414010d31a9eabf0e1a977e372517399e707239fc3541d01c2ea1 [2022-11-25 17:01:28,406 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 17:01:28,434 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 17:01:28,438 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 17:01:28,440 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 17:01:28,440 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 17:01:28,442 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a42b19c6-ef5e-43e6-8dae-1e138ef1511a/bin/uautomizer-ZsLfNo2U6R/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.firewire_tree.5.prop1-back-serstep.c [2022-11-25 17:01:31,623 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 17:01:33,768 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 17:01:33,768 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a42b19c6-ef5e-43e6-8dae-1e138ef1511a/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.firewire_tree.5.prop1-back-serstep.c [2022-11-25 17:01:34,152 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a42b19c6-ef5e-43e6-8dae-1e138ef1511a/bin/uautomizer-ZsLfNo2U6R/data/0f5adcc39/f163bd9c5bef400bac15f296f66bde53/FLAG2bd10c11a [2022-11-25 17:01:34,174 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a42b19c6-ef5e-43e6-8dae-1e138ef1511a/bin/uautomizer-ZsLfNo2U6R/data/0f5adcc39/f163bd9c5bef400bac15f296f66bde53 [2022-11-25 17:01:34,177 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 17:01:34,179 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 17:01:34,184 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 17:01:34,185 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 17:01:34,189 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 17:01:34,190 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:01:34" (1/1) ... [2022-11-25 17:01:34,192 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@333e8bd9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:01:34, skipping insertion in model container [2022-11-25 17:01:34,192 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:01:34" (1/1) ... [2022-11-25 17:01:34,202 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 17:01:35,182 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 17:01:36,309 WARN L237 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_a42b19c6-ef5e-43e6-8dae-1e138ef1511a/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.firewire_tree.5.prop1-back-serstep.c[1014,1027] [2022-11-25 17:01:42,308 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 17:01:42,315 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 17:01:42,329 WARN L237 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_a42b19c6-ef5e-43e6-8dae-1e138ef1511a/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.firewire_tree.5.prop1-back-serstep.c[1014,1027] [2022-11-25 17:01:45,947 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 17:01:45,962 INFO L208 MainTranslator]: Completed translation [2022-11-25 17:01:45,962 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:01:45 WrapperNode [2022-11-25 17:01:45,962 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 17:01:45,964 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 17:01:45,964 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 17:01:45,964 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 17:01:45,972 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:01:45" (1/1) ... [2022-11-25 17:01:46,860 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:01:45" (1/1) ... [2022-11-25 17:01:50,838 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 89802 [2022-11-25 17:01:50,838 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 17:01:50,839 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 17:01:50,839 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 17:01:50,839 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 17:01:50,851 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:01:45" (1/1) ... [2022-11-25 17:01:50,851 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:01:45" (1/1) ... [2022-11-25 17:01:52,740 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:01:45" (1/1) ... [2022-11-25 17:01:52,741 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:01:45" (1/1) ... [2022-11-25 17:01:54,230 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:01:45" (1/1) ... [2022-11-25 17:01:54,325 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:01:45" (1/1) ... [2022-11-25 17:01:54,660 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:01:45" (1/1) ... [2022-11-25 17:01:54,848 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:01:45" (1/1) ... [2022-11-25 17:01:55,731 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 17:01:55,735 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 17:01:55,736 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 17:01:55,736 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 17:01:55,738 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:01:45" (1/1) ... [2022-11-25 17:01:55,745 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 17:01:55,759 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a42b19c6-ef5e-43e6-8dae-1e138ef1511a/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:01:55,776 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a42b19c6-ef5e-43e6-8dae-1e138ef1511a/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 17:01:55,797 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a42b19c6-ef5e-43e6-8dae-1e138ef1511a/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 17:01:55,825 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 17:01:55,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 17:02:06,192 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 17:02:06,195 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation