./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/combinations/pc_sfifo_1.cil-1+token_ring.07.cil-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f5c8bfb-747d-4d59-8712-5c1c0f413550/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f5c8bfb-747d-4d59-8712-5c1c0f413550/bin/ukojak-LBtLqBUTdQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f5c8bfb-747d-4d59-8712-5c1c0f413550/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f5c8bfb-747d-4d59-8712-5c1c0f413550/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/pc_sfifo_1.cil-1+token_ring.07.cil-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f5c8bfb-747d-4d59-8712-5c1c0f413550/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f5c8bfb-747d-4d59-8712-5c1c0f413550/bin/ukojak-LBtLqBUTdQ --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 Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 77868e64e7ba4b54d0333e7dadbcb6bda76f973f09d9a4966fd35e78e5c430a0 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 00:52:01,990 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 00:52:01,991 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 00:52:02,039 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 00:52:02,040 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 00:52:02,041 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 00:52:02,043 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 00:52:02,046 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 00:52:02,049 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 00:52:02,050 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 00:52:02,051 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 00:52:02,053 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 00:52:02,053 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 00:52:02,055 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 00:52:02,056 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 00:52:02,058 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 00:52:02,059 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 00:52:02,061 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 00:52:02,063 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 00:52:02,066 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 00:52:02,068 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 00:52:02,084 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 00:52:02,086 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 00:52:02,093 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 00:52:02,097 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 00:52:02,098 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 00:52:02,098 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 00:52:02,101 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 00:52:02,102 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 00:52:02,104 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 00:52:02,105 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 00:52:02,107 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 00:52:02,108 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 00:52:02,109 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 00:52:02,111 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 00:52:02,112 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 00:52:02,114 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 00:52:02,114 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 00:52:02,114 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 00:52:02,116 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 00:52:02,116 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 00:52:02,117 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f5c8bfb-747d-4d59-8712-5c1c0f413550/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 00:52:02,163 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 00:52:02,163 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 00:52:02,165 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 00:52:02,165 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 00:52:02,166 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 00:52:02,166 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 00:52:02,166 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 00:52:02,167 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 00:52:02,173 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 00:52:02,173 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 00:52:02,174 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 00:52:02,175 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 00:52:02,175 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 00:52:02,175 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 00:52:02,175 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 00:52:02,175 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 00:52:02,176 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 00:52:02,176 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 00:52:02,176 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 00:52:02,176 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 00:52:02,177 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 00:52:02,177 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:52:02,177 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 00:52:02,177 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 00:52:02,178 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 00:52:02,178 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 00:52:02,178 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 00:52:02,179 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 00:52:02,179 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_6f5c8bfb-747d-4d59-8712-5c1c0f413550/bin/ukojak-LBtLqBUTdQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f5c8bfb-747d-4d59-8712-5c1c0f413550/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 77868e64e7ba4b54d0333e7dadbcb6bda76f973f09d9a4966fd35e78e5c430a0 [2021-11-23 00:52:02,462 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 00:52:02,485 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 00:52:02,487 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 00:52:02,489 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 00:52:02,490 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 00:52:02,491 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f5c8bfb-747d-4d59-8712-5c1c0f413550/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/combinations/pc_sfifo_1.cil-1+token_ring.07.cil-1.c [2021-11-23 00:52:02,568 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f5c8bfb-747d-4d59-8712-5c1c0f413550/bin/ukojak-LBtLqBUTdQ/data/981d1d28d/7be3fe0b43db4ca79533d6e0776ce2a6/FLAG97f7abea6 [2021-11-23 00:52:03,105 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 00:52:03,106 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f5c8bfb-747d-4d59-8712-5c1c0f413550/sv-benchmarks/c/combinations/pc_sfifo_1.cil-1+token_ring.07.cil-1.c [2021-11-23 00:52:03,119 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f5c8bfb-747d-4d59-8712-5c1c0f413550/bin/ukojak-LBtLqBUTdQ/data/981d1d28d/7be3fe0b43db4ca79533d6e0776ce2a6/FLAG97f7abea6 [2021-11-23 00:52:03,412 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f5c8bfb-747d-4d59-8712-5c1c0f413550/bin/ukojak-LBtLqBUTdQ/data/981d1d28d/7be3fe0b43db4ca79533d6e0776ce2a6 [2021-11-23 00:52:03,424 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 00:52:03,426 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 00:52:03,427 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 00:52:03,428 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 00:52:03,431 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 00:52:03,445 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:52:03" (1/1) ... [2021-11-23 00:52:03,446 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e10ae27 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:52:03, skipping insertion in model container [2021-11-23 00:52:03,447 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:52:03" (1/1) ... [2021-11-23 00:52:03,456 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 00:52:03,519 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 00:52:03,732 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_6f5c8bfb-747d-4d59-8712-5c1c0f413550/sv-benchmarks/c/combinations/pc_sfifo_1.cil-1+token_ring.07.cil-1.c[913,926] [2021-11-23 00:52:03,781 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_6f5c8bfb-747d-4d59-8712-5c1c0f413550/sv-benchmarks/c/combinations/pc_sfifo_1.cil-1+token_ring.07.cil-1.c[5994,6007] [2021-11-23 00:52:03,863 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:52:03,874 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 00:52:03,886 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_6f5c8bfb-747d-4d59-8712-5c1c0f413550/sv-benchmarks/c/combinations/pc_sfifo_1.cil-1+token_ring.07.cil-1.c[913,926] [2021-11-23 00:52:03,905 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_6f5c8bfb-747d-4d59-8712-5c1c0f413550/sv-benchmarks/c/combinations/pc_sfifo_1.cil-1+token_ring.07.cil-1.c[5994,6007] [2021-11-23 00:52:03,957 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:52:03,981 INFO L208 MainTranslator]: Completed translation [2021-11-23 00:52:03,981 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:52:03 WrapperNode [2021-11-23 00:52:03,981 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 00:52:03,983 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 00:52:03,983 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 00:52:03,983 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 00:52:03,990 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:52:03" (1/1) ... [2021-11-23 00:52:04,004 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:52:03" (1/1) ... [2021-11-23 00:52:04,058 INFO L137 Inliner]: procedures = 62, calls = 70, calls flagged for inlining = 37, calls inlined = 37, statements flattened = 766 [2021-11-23 00:52:04,058 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 00:52:04,063 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 00:52:04,063 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 00:52:04,064 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 00:52:04,073 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:52:03" (1/1) ... [2021-11-23 00:52:04,081 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:52:03" (1/1) ... [2021-11-23 00:52:04,085 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:52:03" (1/1) ... [2021-11-23 00:52:04,086 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:52:03" (1/1) ... [2021-11-23 00:52:04,115 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:52:03" (1/1) ... [2021-11-23 00:52:04,130 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:52:03" (1/1) ... [2021-11-23 00:52:04,150 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:52:03" (1/1) ... [2021-11-23 00:52:04,160 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 00:52:04,163 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 00:52:04,163 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 00:52:04,164 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 00:52:04,165 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:52:03" (1/1) ... [2021-11-23 00:52:04,172 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:52:04,183 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f5c8bfb-747d-4d59-8712-5c1c0f413550/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 00:52:04,195 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f5c8bfb-747d-4d59-8712-5c1c0f413550/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 00:52:04,216 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f5c8bfb-747d-4d59-8712-5c1c0f413550/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 00:52:04,244 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 00:52:04,244 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2021-11-23 00:52:04,244 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2021-11-23 00:52:04,244 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify_threads [2021-11-23 00:52:04,245 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify_threads [2021-11-23 00:52:04,245 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread1 [2021-11-23 00:52:04,245 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread1 [2021-11-23 00:52:04,245 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread2 [2021-11-23 00:52:04,245 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread2 [2021-11-23 00:52:04,246 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events2 [2021-11-23 00:52:04,246 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events2 [2021-11-23 00:52:04,246 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads2 [2021-11-23 00:52:04,246 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads2 [2021-11-23 00:52:04,246 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels2 [2021-11-23 00:52:04,247 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels2 [2021-11-23 00:52:04,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 00:52:04,247 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events2 [2021-11-23 00:52:04,247 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events2 [2021-11-23 00:52:04,247 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 00:52:04,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 00:52:04,248 INFO L130 BoogieDeclarations]: Found specification of procedure error1 [2021-11-23 00:52:04,248 INFO L138 BoogieDeclarations]: Found implementation of procedure error1 [2021-11-23 00:52:04,428 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 00:52:04,430 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 00:52:05,145 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 00:52:05,430 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 00:52:05,430 INFO L301 CfgBuilder]: Removed 14 assume(true) statements. [2021-11-23 00:52:05,433 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:52:05 BoogieIcfgContainer [2021-11-23 00:52:05,433 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 00:52:05,434 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 00:52:05,434 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 00:52:05,444 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 00:52:05,444 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:52:05" (1/1) ... [2021-11-23 00:52:05,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 00:52:05,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:52:05,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 185 states and 281 transitions. [2021-11-23 00:52:05,567 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 281 transitions. [2021-11-23 00:52:05,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:52:05,573 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:52:05,574 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:52:05,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 00:52:05,717 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 00:52:05,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 00:52:05,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 00:52:05,888 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 00:52:05,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 00:52:05,949 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2021-11-23 00:52:06,052 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 12:52:06 ImpRootNode [2021-11-23 00:52:06,053 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-11-23 00:52:06,055 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-23 00:52:06,055 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-23 00:52:06,055 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-23 00:52:06,056 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:52:05" (3/4) ... [2021-11-23 00:52:06,058 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-11-23 00:52:06,188 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f5c8bfb-747d-4d59-8712-5c1c0f413550/bin/ukojak-LBtLqBUTdQ/witness.graphml [2021-11-23 00:52:06,189 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-23 00:52:06,189 INFO L158 Benchmark]: Toolchain (without parser) took 2763.60ms. Allocated memory was 92.3MB in the beginning and 119.5MB in the end (delta: 27.3MB). Free memory was 56.0MB in the beginning and 48.9MB in the end (delta: 7.1MB). Peak memory consumption was 35.4MB. Max. memory is 16.1GB. [2021-11-23 00:52:06,190 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 92.3MB. Free memory was 64.8MB in the beginning and 64.8MB in the end (delta: 28.4kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 00:52:06,192 INFO L158 Benchmark]: CACSL2BoogieTranslator took 554.41ms. Allocated memory was 92.3MB in the beginning and 119.5MB in the end (delta: 27.3MB). Free memory was 55.8MB in the beginning and 85.5MB in the end (delta: -29.7MB). Peak memory consumption was 11.9MB. Max. memory is 16.1GB. [2021-11-23 00:52:06,192 INFO L158 Benchmark]: Boogie Procedure Inliner took 75.86ms. Allocated memory is still 119.5MB. Free memory was 85.5MB in the beginning and 81.6MB in the end (delta: 3.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 00:52:06,193 INFO L158 Benchmark]: Boogie Preprocessor took 99.20ms. Allocated memory is still 119.5MB. Free memory was 81.6MB in the beginning and 78.5MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 00:52:06,194 INFO L158 Benchmark]: RCFGBuilder took 1270.17ms. Allocated memory is still 119.5MB. Free memory was 78.5MB in the beginning and 76.2MB in the end (delta: 2.3MB). Peak memory consumption was 37.9MB. Max. memory is 16.1GB. [2021-11-23 00:52:06,194 INFO L158 Benchmark]: CodeCheck took 618.87ms. Allocated memory is still 119.5MB. Free memory was 76.2MB in the beginning and 54.5MB in the end (delta: 21.7MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2021-11-23 00:52:06,197 INFO L158 Benchmark]: Witness Printer took 133.97ms. Allocated memory is still 119.5MB. Free memory was 54.5MB in the beginning and 48.9MB in the end (delta: 5.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 00:52:06,199 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 10 procedures, 185 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 13 NumberOfCodeBlocks, 13 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - CounterExampleResult [Line: 27]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L32] int q_buf_0 ; [L33] int q_free ; [L34] int q_read_ev ; [L35] int q_write_ev ; [L36] int p_num_write ; [L37] int p_last_write ; [L38] int p_dw_st ; [L39] int p_dw_pc ; [L40] int p_dw_i ; [L41] int c_num_read ; [L42] int c_last_read ; [L43] int c_dr_st ; [L44] int c_dr_pc ; [L45] int c_dr_i ; [L152] static int a_t ; [L394] int m_pc = 0; [L395] int t1_pc = 0; [L396] int t2_pc = 0; [L397] int t3_pc = 0; [L398] int t4_pc = 0; [L399] int t5_pc = 0; [L400] int t6_pc = 0; [L401] int t7_pc = 0; [L402] int m_st ; [L403] int t1_st ; [L404] int t2_st ; [L405] int t3_st ; [L406] int t4_st ; [L407] int t5_st ; [L408] int t6_st ; [L409] int t7_st ; [L410] int m_i ; [L411] int t1_i ; [L412] int t2_i ; [L413] int t3_i ; [L414] int t4_i ; [L415] int t5_i ; [L416] int t6_i ; [L417] int t7_i ; [L418] int M_E = 2; [L419] int T1_E = 2; [L420] int T2_E = 2; [L421] int T3_E = 2; [L422] int T4_E = 2; [L423] int T5_E = 2; [L424] int T6_E = 2; [L425] int T7_E = 2; [L426] int E_M = 2; [L427] int E_1 = 2; [L428] int E_2 = 2; [L429] int E_3 = 2; [L430] int E_4 = 2; [L431] int E_5 = 2; [L432] int E_6 = 2; [L433] int E_7 = 2; [L443] int token ; [L445] int local ; [L1606] COND TRUE __VERIFIER_nondet_int() [L1607] CALL main1() [L368] int __retres1 ; [L372] CALL init_model1() [L354] q_free = 1 [L355] q_write_ev = 2 [L356] q_read_ev = q_write_ev [L357] p_num_write = 0 [L358] p_dw_pc = 0 [L359] p_dw_i = 1 [L360] c_num_read = 0 [L361] c_dr_pc = 0 [L362] c_dr_i = 1 [L372] RET init_model1() [L373] CALL start_simulation1() [L322] int kernel_st ; [L323] int tmp ; [L327] kernel_st = 0 [L328] CALL init_threads1() [L214] COND TRUE (int )p_dw_i == 1 [L215] p_dw_st = 0 [L219] COND TRUE (int )c_dr_i == 1 [L220] c_dr_st = 0 [L328] RET init_threads1() [L331] COND TRUE 1 [L334] kernel_st = 1 [L335] CALL eval1() [L249] int tmp ; [L250] int tmp___0 ; [L251] int tmp___1 ; VAL [a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, E_1=2, E_2=2, E_3=2, E_4=2, E_5=2, E_6=2, E_7=2, E_M=2, local=0, M_E=2, m_i=0, m_pc=0, m_st=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=1, q_read_ev=2, q_write_ev=2, T1_E=2, t1_i=0, t1_pc=0, t1_st=0, T2_E=2, t2_i=0, t2_pc=0, t2_st=0, T3_E=2, t3_i=0, t3_pc=0, t3_st=0, T4_E=2, t4_i=0, t4_pc=0, t4_st=0, T5_E=2, t5_i=0, t5_pc=0, t5_st=0, T6_E=2, t6_i=0, t6_pc=0, t6_st=0, T7_E=2, t7_i=0, t7_pc=0, t7_st=0, token=0] [L255] COND TRUE 1 VAL [a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, E_1=2, E_2=2, E_3=2, E_4=2, E_5=2, E_6=2, E_7=2, E_M=2, local=0, M_E=2, m_i=0, m_pc=0, m_st=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=1, q_read_ev=2, q_write_ev=2, T1_E=2, t1_i=0, t1_pc=0, t1_st=0, T2_E=2, t2_i=0, t2_pc=0, t2_st=0, T3_E=2, t3_i=0, t3_pc=0, t3_st=0, T4_E=2, t4_i=0, t4_pc=0, t4_st=0, T5_E=2, t5_i=0, t5_pc=0, t5_st=0, T6_E=2, t6_i=0, t6_pc=0, t6_st=0, T7_E=2, t7_i=0, t7_pc=0, t7_st=0, token=0] [L258] CALL, EXPR exists_runnable_thread1() VAL [a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, E_1=2, E_2=2, E_3=2, E_4=2, E_5=2, E_6=2, E_7=2, E_M=2, local=0, M_E=2, m_i=0, m_pc=0, m_st=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=1, q_read_ev=2, q_write_ev=2, T1_E=2, t1_i=0, t1_pc=0, t1_st=0, T2_E=2, t2_i=0, t2_pc=0, t2_st=0, T3_E=2, t3_i=0, t3_pc=0, t3_st=0, T4_E=2, t4_i=0, t4_pc=0, t4_st=0, T5_E=2, t5_i=0, t5_pc=0, t5_st=0, T6_E=2, t6_i=0, t6_pc=0, t6_st=0, T7_E=2, t7_i=0, t7_pc=0, t7_st=0, token=0] [L229] int __retres1 ; [L232] COND TRUE (int )p_dw_st == 0 [L233] __retres1 = 1 [L245] return (__retres1); [L258] RET, EXPR exists_runnable_thread1() VAL [a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, E_1=2, E_2=2, E_3=2, E_4=2, E_5=2, E_6=2, E_7=2, E_M=2, exists_runnable_thread1()=1, local=0, M_E=2, m_i=0, m_pc=0, m_st=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=1, q_read_ev=2, q_write_ev=2, T1_E=2, t1_i=0, t1_pc=0, t1_st=0, T2_E=2, t2_i=0, t2_pc=0, t2_st=0, T3_E=2, t3_i=0, t3_pc=0, t3_st=0, T4_E=2, t4_i=0, t4_pc=0, t4_st=0, T5_E=2, t5_i=0, t5_pc=0, t5_st=0, T6_E=2, t6_i=0, t6_pc=0, t6_st=0, T7_E=2, t7_i=0, t7_pc=0, t7_st=0, token=0] [L258] tmp___1 = exists_runnable_thread1() [L260] COND TRUE \read(tmp___1) VAL [a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, E_1=2, E_2=2, E_3=2, E_4=2, E_5=2, E_6=2, E_7=2, E_M=2, local=0, M_E=2, m_i=0, m_pc=0, m_st=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=1, q_read_ev=2, q_write_ev=2, T1_E=2, t1_i=0, t1_pc=0, t1_st=0, T2_E=2, t2_i=0, t2_pc=0, t2_st=0, T3_E=2, t3_i=0, t3_pc=0, t3_st=0, T4_E=2, t4_i=0, t4_pc=0, t4_st=0, T5_E=2, t5_i=0, t5_pc=0, t5_st=0, T6_E=2, t6_i=0, t6_pc=0, t6_st=0, T7_E=2, t7_i=0, t7_pc=0, t7_st=0, tmp___1=1, token=0] [L265] COND TRUE (int )p_dw_st == 0 [L267] tmp = __VERIFIER_nondet_int() [L269] COND FALSE !(\read(tmp)) VAL [a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, E_1=2, E_2=2, E_3=2, E_4=2, E_5=2, E_6=2, E_7=2, E_M=2, local=0, M_E=2, m_i=0, m_pc=0, m_st=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=1, q_read_ev=2, q_write_ev=2, T1_E=2, t1_i=0, t1_pc=0, t1_st=0, T2_E=2, t2_i=0, t2_pc=0, t2_st=0, T3_E=2, t3_i=0, t3_pc=0, t3_st=0, T4_E=2, t4_i=0, t4_pc=0, t4_st=0, T5_E=2, t5_i=0, t5_pc=0, t5_st=0, T6_E=2, t6_i=0, t6_pc=0, t6_st=0, T7_E=2, t7_i=0, t7_pc=0, t7_st=0, tmp=0, tmp___1=1, token=0] [L275] CALL error1() VAL [a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, E_1=2, E_2=2, E_3=2, E_4=2, E_5=2, E_6=2, E_7=2, E_M=2, local=0, M_E=2, m_i=0, m_pc=0, m_st=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=1, q_read_ev=2, q_write_ev=2, T1_E=2, t1_i=0, t1_pc=0, t1_st=0, T2_E=2, t2_i=0, t2_pc=0, t2_st=0, T3_E=2, t3_i=0, t3_pc=0, t3_st=0, T4_E=2, t4_i=0, t4_pc=0, t4_st=0, T5_E=2, t5_i=0, t5_pc=0, t5_st=0, T6_E=2, t6_i=0, t6_pc=0, t6_st=0, T7_E=2, t7_i=0, t7_pc=0, t7_st=0, token=0] [L27] reach_error() VAL [a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, E_1=2, E_2=2, E_3=2, E_4=2, E_5=2, E_6=2, E_7=2, E_M=2, local=0, M_E=2, m_i=0, m_pc=0, m_st=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=1, q_read_ev=2, q_write_ev=2, T1_E=2, t1_i=0, t1_pc=0, t1_st=0, T2_E=2, t2_i=0, t2_pc=0, t2_st=0, T3_E=2, t3_i=0, t3_pc=0, t3_st=0, T4_E=2, t4_i=0, t4_pc=0, t4_st=0, T5_E=2, t5_i=0, t5_pc=0, t5_st=0, T6_E=2, t6_i=0, t6_pc=0, t6_st=0, T7_E=2, t7_i=0, t7_pc=0, t7_st=0, token=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 92.3MB. Free memory was 64.8MB in the beginning and 64.8MB in the end (delta: 28.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 554.41ms. Allocated memory was 92.3MB in the beginning and 119.5MB in the end (delta: 27.3MB). Free memory was 55.8MB in the beginning and 85.5MB in the end (delta: -29.7MB). Peak memory consumption was 11.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 75.86ms. Allocated memory is still 119.5MB. Free memory was 85.5MB in the beginning and 81.6MB in the end (delta: 3.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 99.20ms. Allocated memory is still 119.5MB. Free memory was 81.6MB in the beginning and 78.5MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1270.17ms. Allocated memory is still 119.5MB. Free memory was 78.5MB in the beginning and 76.2MB in the end (delta: 2.3MB). Peak memory consumption was 37.9MB. Max. memory is 16.1GB. * CodeCheck took 618.87ms. Allocated memory is still 119.5MB. Free memory was 76.2MB in the beginning and 54.5MB in the end (delta: 21.7MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Witness Printer took 133.97ms. Allocated memory is still 119.5MB. Free memory was 54.5MB in the beginning and 48.9MB in the end (delta: 5.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2021-11-23 00:52:06,240 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f5c8bfb-747d-4d59-8712-5c1c0f413550/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE