./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/heap-data/packet_filter.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2372b2c0-6cec-4c9d-8cd1-aa6e5b589125/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2372b2c0-6cec-4c9d-8cd1-aa6e5b589125/bin/ukojak-92XMlrwhuB/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2372b2c0-6cec-4c9d-8cd1-aa6e5b589125/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2372b2c0-6cec-4c9d-8cd1-aa6e5b589125/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/heap-data/packet_filter.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2372b2c0-6cec-4c9d-8cd1-aa6e5b589125/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2372b2c0-6cec-4c9d-8cd1-aa6e5b589125/bin/ukojak-92XMlrwhuB --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 d604fdd8f7c4d34db0106d8a0ff422218ae80e9ee6eb03f691b84d2fcc8ad49f --- 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-dbf71c6-m [2022-10-17 16:57:19,777 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:57:19,779 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:57:19,814 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:57:19,814 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:57:19,816 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:57:19,818 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:57:19,820 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:57:19,822 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:57:19,824 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:57:19,825 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:57:19,826 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:57:19,827 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:57:19,828 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:57:19,830 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:57:19,832 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:57:19,833 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:57:19,839 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:57:19,842 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:57:19,844 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:57:19,846 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:57:19,851 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:57:19,855 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:57:19,856 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:57:19,868 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:57:19,869 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:57:19,869 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:57:19,870 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:57:19,871 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:57:19,872 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:57:19,873 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:57:19,874 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:57:19,875 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:57:19,876 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:57:19,877 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:57:19,877 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:57:19,878 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:57:19,878 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:57:19,879 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:57:19,880 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:57:19,881 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:57:19,881 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2372b2c0-6cec-4c9d-8cd1-aa6e5b589125/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:57:19,916 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:57:19,916 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:57:19,917 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:57:19,917 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:57:19,918 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:57:19,918 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:57:19,918 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:57:19,919 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:57:19,919 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:57:19,919 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:57:19,919 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:57:19,919 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:57:19,920 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:57:19,920 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:57:19,920 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:57:19,920 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:57:19,920 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:57:19,921 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:57:19,921 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:57:19,921 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:57:19,921 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:57:19,922 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:57:19,922 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:57:19,922 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:57:19,922 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:57:19,922 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:57:19,923 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:57:19,923 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:57:19,923 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_2372b2c0-6cec-4c9d-8cd1-aa6e5b589125/bin/ukojak-92XMlrwhuB/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2372b2c0-6cec-4c9d-8cd1-aa6e5b589125/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d604fdd8f7c4d34db0106d8a0ff422218ae80e9ee6eb03f691b84d2fcc8ad49f [2022-10-17 16:57:20,225 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:57:20,262 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:57:20,265 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:57:20,266 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:57:20,267 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:57:20,269 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2372b2c0-6cec-4c9d-8cd1-aa6e5b589125/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/heap-data/packet_filter.i [2022-10-17 16:57:20,350 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2372b2c0-6cec-4c9d-8cd1-aa6e5b589125/bin/ukojak-92XMlrwhuB/data/f8f35ed6d/ac9ea3c662324cf6a3c6a38d0612132b/FLAG306f0420f [2022-10-17 16:57:20,925 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:57:20,925 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2372b2c0-6cec-4c9d-8cd1-aa6e5b589125/sv-benchmarks/c/heap-data/packet_filter.i [2022-10-17 16:57:20,947 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2372b2c0-6cec-4c9d-8cd1-aa6e5b589125/bin/ukojak-92XMlrwhuB/data/f8f35ed6d/ac9ea3c662324cf6a3c6a38d0612132b/FLAG306f0420f [2022-10-17 16:57:21,235 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2372b2c0-6cec-4c9d-8cd1-aa6e5b589125/bin/ukojak-92XMlrwhuB/data/f8f35ed6d/ac9ea3c662324cf6a3c6a38d0612132b [2022-10-17 16:57:21,237 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:57:21,239 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:57:21,240 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:57:21,240 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:57:21,244 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:57:21,244 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:57:21" (1/1) ... [2022-10-17 16:57:21,246 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@494a6bcd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:57:21, skipping insertion in model container [2022-10-17 16:57:21,246 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:57:21" (1/1) ... [2022-10-17 16:57:21,253 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:57:21,291 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:57:21,716 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_2372b2c0-6cec-4c9d-8cd1-aa6e5b589125/sv-benchmarks/c/heap-data/packet_filter.i[23925,23938] [2022-10-17 16:57:21,722 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_2372b2c0-6cec-4c9d-8cd1-aa6e5b589125/sv-benchmarks/c/heap-data/packet_filter.i[24159,24172] [2022-10-17 16:57:21,728 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:57:21,738 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:57:21,794 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_2372b2c0-6cec-4c9d-8cd1-aa6e5b589125/sv-benchmarks/c/heap-data/packet_filter.i[23925,23938] [2022-10-17 16:57:21,797 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_2372b2c0-6cec-4c9d-8cd1-aa6e5b589125/sv-benchmarks/c/heap-data/packet_filter.i[24159,24172] [2022-10-17 16:57:21,807 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:57:21,837 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:57:21,837 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:57:21 WrapperNode [2022-10-17 16:57:21,838 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:57:21,839 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:57:21,839 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:57:21,839 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:57:21,848 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:57:21" (1/1) ... [2022-10-17 16:57:21,877 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:57:21" (1/1) ... [2022-10-17 16:57:21,929 INFO L138 Inliner]: procedures = 130, calls = 86, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 160 [2022-10-17 16:57:21,929 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:57:21,930 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:57:21,930 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:57:21,930 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:57:21,942 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:57:21" (1/1) ... [2022-10-17 16:57:21,943 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:57:21" (1/1) ... [2022-10-17 16:57:21,969 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:57:21" (1/1) ... [2022-10-17 16:57:21,970 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:57:21" (1/1) ... [2022-10-17 16:57:21,997 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:57:21" (1/1) ... [2022-10-17 16:57:22,001 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:57:21" (1/1) ... [2022-10-17 16:57:22,004 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:57:21" (1/1) ... [2022-10-17 16:57:22,006 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:57:21" (1/1) ... [2022-10-17 16:57:22,010 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:57:22,011 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:57:22,011 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:57:22,012 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:57:22,013 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:57:21" (1/1) ... [2022-10-17 16:57:22,027 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:57:22,042 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2372b2c0-6cec-4c9d-8cd1-aa6e5b589125/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:57:22,054 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2372b2c0-6cec-4c9d-8cd1-aa6e5b589125/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:57:22,073 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2372b2c0-6cec-4c9d-8cd1-aa6e5b589125/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:57:22,101 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 16:57:22,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 16:57:22,102 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 16:57:22,102 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:57:22,102 INFO L130 BoogieDeclarations]: Found specification of procedure append_to_queue [2022-10-17 16:57:22,103 INFO L138 BoogieDeclarations]: Found implementation of procedure append_to_queue [2022-10-17 16:57:22,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-17 16:57:22,103 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 16:57:22,103 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-17 16:57:22,103 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_charp [2022-10-17 16:57:22,104 INFO L130 BoogieDeclarations]: Found specification of procedure send [2022-10-17 16:57:22,104 INFO L138 BoogieDeclarations]: Found implementation of procedure send [2022-10-17 16:57:22,104 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 16:57:22,104 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-17 16:57:22,105 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:57:22,105 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:57:22,105 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:57:22,231 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:57:22,233 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:57:22,770 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:57:22,899 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:57:22,900 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-10-17 16:57:22,903 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:57:22 BoogieIcfgContainer [2022-10-17 16:57:22,903 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:57:22,904 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:57:22,904 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:57:22,917 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:57:22,917 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:57:22" (1/1) ... [2022-10-17 16:57:22,931 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:57:23,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:57:23,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 33 states and 44 transitions. [2022-10-17 16:57:23,026 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 44 transitions. [2022-10-17 16:57:23,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-17 16:57:23,029 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:57:23,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:57:23,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:57:23,236 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:57:23,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:57:23,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 33 states and 42 transitions. [2022-10-17 16:57:23,280 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 42 transitions. [2022-10-17 16:57:23,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 16:57:23,284 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:57:23,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:57:23,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:57:23,653 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:57:23,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:57:23,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 37 states and 48 transitions. [2022-10-17 16:57:23,714 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 48 transitions. [2022-10-17 16:57:23,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-17 16:57:23,715 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:57:23,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:57:23,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:57:23,885 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:57:24,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:57:24,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 42 states and 55 transitions. [2022-10-17 16:57:24,183 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 55 transitions. [2022-10-17 16:57:24,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-17 16:57:24,198 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:57:24,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:57:24,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:57:24,729 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:57:24,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:57:24,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 46 states and 67 transitions. [2022-10-17 16:57:24,966 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 67 transitions. [2022-10-17 16:57:24,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-17 16:57:24,967 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:57:24,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:57:24,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:57:25,249 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:57:25,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:57:25,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 50 states and 80 transitions. [2022-10-17 16:57:25,520 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 80 transitions. [2022-10-17 16:57:25,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-17 16:57:25,521 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:57:25,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:57:25,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:57:27,087 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:57:28,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:57:28,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 62 states and 113 transitions. [2022-10-17 16:57:28,616 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 113 transitions. [2022-10-17 16:57:28,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 16:57:28,617 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:57:28,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:57:28,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:57:29,532 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:57:30,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:57:30,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 66 states and 127 transitions. [2022-10-17 16:57:30,756 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 127 transitions. [2022-10-17 16:57:30,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-17 16:57:30,757 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:57:30,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:57:30,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:57:32,265 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:57:35,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:57:35,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 76 states and 162 transitions. [2022-10-17 16:57:35,198 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 162 transitions. [2022-10-17 16:57:35,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-17 16:57:35,200 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:57:35,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:57:35,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat