./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.gear.2.prop1-back-serstep.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5e519f3a 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_fd971da1-0b5a-4116-bbab-43133486fbc8/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd971da1-0b5a-4116-bbab-43133486fbc8/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_fd971da1-0b5a-4116-bbab-43133486fbc8/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd971da1-0b5a-4116-bbab-43133486fbc8/bin/uautomizer-Dbtcem3rbc/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.gear.2.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd971da1-0b5a-4116-bbab-43133486fbc8/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_fd971da1-0b5a-4116-bbab-43133486fbc8/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 2fb5bad9cf356a9e7c73b56a0f4b4227139d064f08cd56daa466b904fad01dc5 --- 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 20:27:20,806 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-02 20:27:20,808 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-02 20:27:20,842 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-02 20:27:20,843 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-02 20:27:20,844 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-02 20:27:20,846 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-02 20:27:20,848 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-02 20:27:20,850 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-02 20:27:20,851 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-02 20:27:20,853 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-02 20:27:20,854 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-02 20:27:20,855 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-02 20:27:20,856 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-02 20:27:20,858 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-02 20:27:20,859 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-02 20:27:20,860 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-02 20:27:20,862 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-02 20:27:20,864 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-02 20:27:20,866 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-02 20:27:20,874 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-02 20:27:20,876 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-02 20:27:20,877 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-02 20:27:20,883 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-02 20:27:20,893 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-02 20:27:20,894 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-02 20:27:20,894 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-02 20:27:20,896 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-02 20:27:20,896 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-02 20:27:20,897 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-02 20:27:20,898 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-02 20:27:20,905 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-02 20:27:20,906 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-02 20:27:20,907 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-02 20:27:20,908 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-02 20:27:20,909 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-02 20:27:20,910 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-02 20:27:20,910 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-02 20:27:20,910 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-02 20:27:20,911 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-02 20:27:20,914 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-02 20:27:20,916 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd971da1-0b5a-4116-bbab-43133486fbc8/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-02 20:27:20,962 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-02 20:27:20,966 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-02 20:27:20,967 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-02 20:27:20,967 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-02 20:27:20,968 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-02 20:27:20,968 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-02 20:27:20,969 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-02 20:27:20,969 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-02 20:27:20,970 INFO L138 SettingsManager]: * Use SBE=true [2022-11-02 20:27:20,970 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-02 20:27:20,971 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-02 20:27:20,972 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-02 20:27:20,972 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-02 20:27:20,972 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-02 20:27:20,972 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-02 20:27:20,973 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-02 20:27:20,973 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-02 20:27:20,973 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-02 20:27:20,973 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-02 20:27:20,974 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-02 20:27:20,974 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-02 20:27:20,974 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:27:20,975 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-02 20:27:20,975 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-02 20:27:20,975 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-02 20:27:20,975 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-02 20:27:20,976 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-02 20:27:20,976 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-02 20:27:20,976 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-02 20:27:20,976 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-02 20:27:20,977 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_fd971da1-0b5a-4116-bbab-43133486fbc8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd971da1-0b5a-4116-bbab-43133486fbc8/bin/uautomizer-Dbtcem3rbc Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2fb5bad9cf356a9e7c73b56a0f4b4227139d064f08cd56daa466b904fad01dc5 [2022-11-02 20:27:21,411 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-02 20:27:21,448 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-02 20:27:21,451 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-02 20:27:21,453 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-02 20:27:21,457 INFO L275 PluginConnector]: CDTParser initialized [2022-11-02 20:27:21,458 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd971da1-0b5a-4116-bbab-43133486fbc8/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.gear.2.prop1-back-serstep.c [2022-11-02 20:27:21,549 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd971da1-0b5a-4116-bbab-43133486fbc8/bin/uautomizer-Dbtcem3rbc/data/de8f19479/bc59759964a049df99052577b9252853/FLAG6b4a50241 [2022-11-02 20:27:22,398 INFO L306 CDTParser]: Found 1 translation units. [2022-11-02 20:27:22,399 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd971da1-0b5a-4116-bbab-43133486fbc8/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.gear.2.prop1-back-serstep.c [2022-11-02 20:27:22,444 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd971da1-0b5a-4116-bbab-43133486fbc8/bin/uautomizer-Dbtcem3rbc/data/de8f19479/bc59759964a049df99052577b9252853/FLAG6b4a50241 [2022-11-02 20:27:22,474 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd971da1-0b5a-4116-bbab-43133486fbc8/bin/uautomizer-Dbtcem3rbc/data/de8f19479/bc59759964a049df99052577b9252853 [2022-11-02 20:27:22,478 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-02 20:27:22,482 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-02 20:27:22,502 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-02 20:27:22,502 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-02 20:27:22,507 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-02 20:27:22,508 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:27:22" (1/1) ... [2022-11-02 20:27:22,509 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f171f28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:27:22, skipping insertion in model container [2022-11-02 20:27:22,509 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:27:22" (1/1) ... [2022-11-02 20:27:22,518 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-02 20:27:22,656 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-02 20:27:22,944 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_fd971da1-0b5a-4116-bbab-43133486fbc8/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.gear.2.prop1-back-serstep.c[1014,1027] [2022-11-02 20:27:23,619 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:27:23,623 INFO L203 MainTranslator]: Completed pre-run [2022-11-02 20:27:23,637 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_fd971da1-0b5a-4116-bbab-43133486fbc8/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.gear.2.prop1-back-serstep.c[1014,1027] [2022-11-02 20:27:24,088 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:27:24,117 INFO L208 MainTranslator]: Completed translation [2022-11-02 20:27:24,117 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:27:24 WrapperNode [2022-11-02 20:27:24,119 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-02 20:27:24,121 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-02 20:27:24,122 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-02 20:27:24,122 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-02 20:27:24,131 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:27:24" (1/1) ... [2022-11-02 20:27:24,251 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:27:24" (1/1) ... [2022-11-02 20:27:25,274 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 4528 [2022-11-02 20:27:25,275 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-02 20:27:25,276 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-02 20:27:25,276 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-02 20:27:25,276 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-02 20:27:25,287 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:27:24" (1/1) ... [2022-11-02 20:27:25,288 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:27:24" (1/1) ... [2022-11-02 20:27:25,370 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:27:24" (1/1) ... [2022-11-02 20:27:25,370 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:27:24" (1/1) ... [2022-11-02 20:27:25,671 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:27:24" (1/1) ... [2022-11-02 20:27:25,685 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:27:24" (1/1) ... [2022-11-02 20:27:25,717 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:27:24" (1/1) ... [2022-11-02 20:27:25,736 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:27:24" (1/1) ... [2022-11-02 20:27:25,819 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-02 20:27:25,820 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-02 20:27:25,821 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-02 20:27:25,821 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-02 20:27:25,822 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:27:24" (1/1) ... [2022-11-02 20:27:25,830 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:27:25,843 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd971da1-0b5a-4116-bbab-43133486fbc8/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:27:25,859 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd971da1-0b5a-4116-bbab-43133486fbc8/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-02 20:27:25,871 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd971da1-0b5a-4116-bbab-43133486fbc8/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-02 20:27:25,905 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-02 20:27:25,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-02 20:27:26,937 INFO L235 CfgBuilder]: Building ICFG [2022-11-02 20:27:26,940 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation