./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/list-properties/simple_built_from_end.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_ecfb66f7-d6cb-49d9-b445-c19fda9c132a/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecfb66f7-d6cb-49d9-b445-c19fda9c132a/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_ecfb66f7-d6cb-49d9-b445-c19fda9c132a/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecfb66f7-d6cb-49d9-b445-c19fda9c132a/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/list-properties/simple_built_from_end.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecfb66f7-d6cb-49d9-b445-c19fda9c132a/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_ecfb66f7-d6cb-49d9-b445-c19fda9c132a/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 0eb3d3e07cae1efa9dc9af5091aea6a309746434756c62bcf3ece83b84aec27a --- 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 16:41:16,981 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:41:16,985 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:41:17,043 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:41:17,044 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:41:17,048 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:41:17,051 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:41:17,056 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:41:17,061 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:41:17,068 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:41:17,069 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:41:17,072 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:41:17,073 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:41:17,073 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:41:17,074 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:41:17,076 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:41:17,077 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:41:17,078 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:41:17,081 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:41:17,083 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:41:17,086 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:41:17,090 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:41:17,092 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:41:17,095 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:41:17,103 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:41:17,109 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:41:17,110 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:41:17,111 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:41:17,113 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:41:17,114 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:41:17,114 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:41:17,116 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:41:17,118 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:41:17,120 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:41:17,121 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:41:17,122 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:41:17,123 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:41:17,123 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:41:17,123 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:41:17,131 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:41:17,131 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:41:17,132 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecfb66f7-d6cb-49d9-b445-c19fda9c132a/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:41:17,187 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:41:17,188 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:41:17,189 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:41:17,189 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:41:17,190 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:41:17,190 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:41:17,190 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:41:17,191 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:41:17,191 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:41:17,191 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:41:17,192 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:41:17,193 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:41:17,193 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:41:17,193 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:41:17,193 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:41:17,194 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:41:17,194 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:41:17,194 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:41:17,194 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:41:17,195 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:41:17,195 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:41:17,195 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:41:17,195 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:41:17,196 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:41:17,196 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:41:17,196 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:41:17,198 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:41:17,198 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:41:17,198 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_ecfb66f7-d6cb-49d9-b445-c19fda9c132a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecfb66f7-d6cb-49d9-b445-c19fda9c132a/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0eb3d3e07cae1efa9dc9af5091aea6a309746434756c62bcf3ece83b84aec27a [2022-10-17 16:41:17,481 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:41:17,512 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:41:17,514 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:41:17,516 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:41:17,517 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:41:17,519 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecfb66f7-d6cb-49d9-b445-c19fda9c132a/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/list-properties/simple_built_from_end.i [2022-10-17 16:41:17,598 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecfb66f7-d6cb-49d9-b445-c19fda9c132a/bin/ukojak-92XMlrwhuB/data/fd219b4e0/0ef44ee50ae1485ea52cf1359073daa8/FLAG949313926 [2022-10-17 16:41:18,261 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:41:18,264 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecfb66f7-d6cb-49d9-b445-c19fda9c132a/sv-benchmarks/c/list-properties/simple_built_from_end.i [2022-10-17 16:41:18,279 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecfb66f7-d6cb-49d9-b445-c19fda9c132a/bin/ukojak-92XMlrwhuB/data/fd219b4e0/0ef44ee50ae1485ea52cf1359073daa8/FLAG949313926 [2022-10-17 16:41:18,483 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecfb66f7-d6cb-49d9-b445-c19fda9c132a/bin/ukojak-92XMlrwhuB/data/fd219b4e0/0ef44ee50ae1485ea52cf1359073daa8 [2022-10-17 16:41:18,485 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:41:18,487 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:41:18,488 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:41:18,489 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:41:18,492 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:41:18,493 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:41:18" (1/1) ... [2022-10-17 16:41:18,494 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@722a77f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:41:18, skipping insertion in model container [2022-10-17 16:41:18,494 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:41:18" (1/1) ... [2022-10-17 16:41:18,502 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:41:18,536 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:41:18,837 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_ecfb66f7-d6cb-49d9-b445-c19fda9c132a/sv-benchmarks/c/list-properties/simple_built_from_end.i[23125,23138] [2022-10-17 16:41:18,841 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:41:18,850 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:41:18,909 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_ecfb66f7-d6cb-49d9-b445-c19fda9c132a/sv-benchmarks/c/list-properties/simple_built_from_end.i[23125,23138] [2022-10-17 16:41:18,911 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:41:18,945 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:41:18,946 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:41:18 WrapperNode [2022-10-17 16:41:18,946 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:41:18,947 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:41:18,947 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:41:18,947 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:41:18,954 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:41:18" (1/1) ... [2022-10-17 16:41:18,981 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:41:18" (1/1) ... [2022-10-17 16:41:18,997 INFO L138 Inliner]: procedures = 124, calls = 12, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 43 [2022-10-17 16:41:18,998 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:41:18,999 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:41:18,999 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:41:18,999 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:41:19,008 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:41:18" (1/1) ... [2022-10-17 16:41:19,008 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:41:18" (1/1) ... [2022-10-17 16:41:19,011 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:41:18" (1/1) ... [2022-10-17 16:41:19,011 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:41:18" (1/1) ... [2022-10-17 16:41:19,017 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:41:18" (1/1) ... [2022-10-17 16:41:19,021 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:41:18" (1/1) ... [2022-10-17 16:41:19,022 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:41:18" (1/1) ... [2022-10-17 16:41:19,023 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:41:18" (1/1) ... [2022-10-17 16:41:19,026 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:41:19,027 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:41:19,027 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:41:19,027 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:41:19,028 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:41:18" (1/1) ... [2022-10-17 16:41:19,034 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:41:19,052 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecfb66f7-d6cb-49d9-b445-c19fda9c132a/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:41:19,063 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecfb66f7-d6cb-49d9-b445-c19fda9c132a/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:41:19,068 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecfb66f7-d6cb-49d9-b445-c19fda9c132a/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:41:19,107 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 16:41:19,107 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 16:41:19,107 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 16:41:19,108 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:41:19,108 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-17 16:41:19,108 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-17 16:41:19,108 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:41:19,108 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:41:19,108 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:41:19,210 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:41:19,212 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:41:19,337 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:41:19,370 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:41:19,370 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-10-17 16:41:19,373 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:41:19 BoogieIcfgContainer [2022-10-17 16:41:19,373 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:41:19,374 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:41:19,374 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:41:19,384 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:41:19,385 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:41:19" (1/1) ... [2022-10-17 16:41:19,395 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:41:19,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:41:19,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 11 states and 15 transitions. [2022-10-17 16:41:19,455 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 15 transitions. [2022-10-17 16:41:19,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-10-17 16:41:19,458 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:41:19,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:41:19,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:41:19,648 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 16:41:19,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:41:19,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 11 states and 13 transitions. [2022-10-17 16:41:19,701 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 13 transitions. [2022-10-17 16:41:19,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-17 16:41:19,702 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:41:19,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:41:19,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:41:19,830 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 16:41:19,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:41:19,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 14 states and 17 transitions. [2022-10-17 16:41:19,877 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 17 transitions. [2022-10-17 16:41:19,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-17 16:41:19,878 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:41:19,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:41:19,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:41:20,209 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:41:20,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:41:20,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 16 states and 19 transitions. [2022-10-17 16:41:20,335 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 19 transitions. [2022-10-17 16:41:20,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-17 16:41:20,336 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:41:20,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:41:20,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:41:20,683 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:41:21,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:41:21,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 22 states and 27 transitions. [2022-10-17 16:41:21,102 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 27 transitions. [2022-10-17 16:41:21,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 16:41:21,103 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:41:21,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:41:21,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:41:21,884 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:41:23,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:41:23,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 28 states and 41 transitions. [2022-10-17 16:41:23,273 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 41 transitions. [2022-10-17 16:41:23,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-10-17 16:41:23,276 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:41:23,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:41:23,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:41:24,064 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:41:25,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:41:25,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 34 states and 51 transitions. [2022-10-17 16:41:25,411 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 51 transitions. [2022-10-17 16:41:25,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-10-17 16:41:25,412 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:41:25,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:41:25,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:41:25,902 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:41:26,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:41:26,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 34 states and 50 transitions. [2022-10-17 16:41:26,567 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 50 transitions. [2022-10-17 16:41:26,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-10-17 16:41:26,568 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:41:26,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:41:26,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:41:27,976 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 7 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:41:29,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:41:29,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 40 states and 61 transitions. [2022-10-17 16:41:29,962 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 61 transitions. [2022-10-17 16:41:29,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-10-17 16:41:29,965 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:41:29,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:41:29,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:41:30,438 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 16 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-17 16:41:31,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:41:31,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 34 states and 46 transitions. [2022-10-17 16:41:31,274 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 46 transitions. [2022-10-17 16:41:31,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-10-17 16:41:31,275 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:41:31,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:41:31,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:41:32,811 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 3 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:41:36,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:41:36,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 40 states and 55 transitions. [2022-10-17 16:41:36,533 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 55 transitions. [2022-10-17 16:41:36,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-10-17 16:41:36,534 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:41:36,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:41:36,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:41:38,820 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 10 proven. 31 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:41:43,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:41:43,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 46 states and 67 transitions. [2022-10-17 16:41:43,471 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 67 transitions. [2022-10-17 16:41:43,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-10-17 16:41:43,472 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:41:43,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:41:43,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:41:45,776 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 4 proven. 48 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.