./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/list-simple/dll2c_insert_equal.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_2a71d42b-cfec-48bd-8030-6c05cd8ff0d0/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a71d42b-cfec-48bd-8030-6c05cd8ff0d0/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_2a71d42b-cfec-48bd-8030-6c05cd8ff0d0/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a71d42b-cfec-48bd-8030-6c05cd8ff0d0/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/list-simple/dll2c_insert_equal.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a71d42b-cfec-48bd-8030-6c05cd8ff0d0/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_2a71d42b-cfec-48bd-8030-6c05cd8ff0d0/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 535caea86e22f289c2fcb0364594f5e7b1dfaabfa814e56099346e6a240c0067 --- 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 16:40:54,271 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:40:54,273 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:40:54,328 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:40:54,329 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:40:54,333 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:40:54,336 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:40:54,342 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:40:54,345 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:40:54,353 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:40:54,354 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:40:54,357 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:40:54,358 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:40:54,361 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:40:54,363 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:40:54,366 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:40:54,368 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:40:54,369 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:40:54,371 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:40:54,379 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:40:54,381 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:40:54,383 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:40:54,384 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:40:54,385 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:40:54,390 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:40:54,391 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:40:54,391 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:40:54,392 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:40:54,393 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:40:54,394 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:40:54,395 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:40:54,396 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:40:54,397 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:40:54,398 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:40:54,399 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:40:54,400 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:40:54,401 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:40:54,401 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:40:54,401 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:40:54,402 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:40:54,403 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:40:54,403 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a71d42b-cfec-48bd-8030-6c05cd8ff0d0/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:40:54,429 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:40:54,429 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:40:54,430 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:40:54,430 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:40:54,431 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:40:54,431 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:40:54,431 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:40:54,431 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:40:54,432 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:40:54,432 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:40:54,432 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:40:54,432 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:40:54,432 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:40:54,433 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:40:54,433 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:40:54,433 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:40:54,433 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:40:54,433 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:40:54,434 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:40:54,434 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:40:54,434 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:40:54,434 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:40:54,435 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:40:54,435 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:40:54,435 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:40:54,435 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:40:54,435 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:40:54,436 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:40:54,436 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_2a71d42b-cfec-48bd-8030-6c05cd8ff0d0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a71d42b-cfec-48bd-8030-6c05cd8ff0d0/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 535caea86e22f289c2fcb0364594f5e7b1dfaabfa814e56099346e6a240c0067 [2022-10-17 16:40:54,703 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:40:54,724 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:40:54,727 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:40:54,729 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:40:54,729 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:40:54,731 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a71d42b-cfec-48bd-8030-6c05cd8ff0d0/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/list-simple/dll2c_insert_equal.i [2022-10-17 16:40:54,811 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a71d42b-cfec-48bd-8030-6c05cd8ff0d0/bin/ukojak-92XMlrwhuB/data/6a18471a2/da9d0ed3c40c4653a3b26b1c8236cccd/FLAG3350feb59 [2022-10-17 16:40:55,276 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:40:55,277 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a71d42b-cfec-48bd-8030-6c05cd8ff0d0/sv-benchmarks/c/list-simple/dll2c_insert_equal.i [2022-10-17 16:40:55,292 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a71d42b-cfec-48bd-8030-6c05cd8ff0d0/bin/ukojak-92XMlrwhuB/data/6a18471a2/da9d0ed3c40c4653a3b26b1c8236cccd/FLAG3350feb59 [2022-10-17 16:40:55,621 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a71d42b-cfec-48bd-8030-6c05cd8ff0d0/bin/ukojak-92XMlrwhuB/data/6a18471a2/da9d0ed3c40c4653a3b26b1c8236cccd [2022-10-17 16:40:55,624 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:40:55,626 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:40:55,629 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:40:55,629 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:40:55,632 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:40:55,633 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:40:55" (1/1) ... [2022-10-17 16:40:55,634 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c65ab41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:40:55, skipping insertion in model container [2022-10-17 16:40:55,634 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:40:55" (1/1) ... [2022-10-17 16:40:55,642 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:40:55,705 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:40:56,066 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_2a71d42b-cfec-48bd-8030-6c05cd8ff0d0/sv-benchmarks/c/list-simple/dll2c_insert_equal.i[24877,24890] [2022-10-17 16:40:56,074 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:40:56,083 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:40:56,144 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_2a71d42b-cfec-48bd-8030-6c05cd8ff0d0/sv-benchmarks/c/list-simple/dll2c_insert_equal.i[24877,24890] [2022-10-17 16:40:56,145 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:40:56,180 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:40:56,180 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:40:56 WrapperNode [2022-10-17 16:40:56,181 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:40:56,182 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:40:56,182 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:40:56,182 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:40:56,192 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:40:56" (1/1) ... [2022-10-17 16:40:56,208 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:40:56" (1/1) ... [2022-10-17 16:40:56,238 INFO L138 Inliner]: procedures = 127, calls = 53, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 154 [2022-10-17 16:40:56,239 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:40:56,240 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:40:56,240 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:40:56,240 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:40:56,253 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:40:56" (1/1) ... [2022-10-17 16:40:56,256 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:40:56" (1/1) ... [2022-10-17 16:40:56,261 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:40:56" (1/1) ... [2022-10-17 16:40:56,264 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:40:56" (1/1) ... [2022-10-17 16:40:56,286 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:40:56" (1/1) ... [2022-10-17 16:40:56,302 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:40:56" (1/1) ... [2022-10-17 16:40:56,307 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:40:56" (1/1) ... [2022-10-17 16:40:56,316 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:40:56" (1/1) ... [2022-10-17 16:40:56,320 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:40:56,327 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:40:56,327 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:40:56,327 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:40:56,328 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:40:56" (1/1) ... [2022-10-17 16:40:56,337 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:40:56,348 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a71d42b-cfec-48bd-8030-6c05cd8ff0d0/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:40:56,370 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a71d42b-cfec-48bd-8030-6c05cd8ff0d0/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:40:56,392 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a71d42b-cfec-48bd-8030-6c05cd8ff0d0/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:40:56,419 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 16:40:56,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 16:40:56,420 INFO L130 BoogieDeclarations]: Found specification of procedure node_create [2022-10-17 16:40:56,420 INFO L138 BoogieDeclarations]: Found implementation of procedure node_create [2022-10-17 16:40:56,420 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 16:40:56,420 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:40:56,421 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 16:40:56,421 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-17 16:40:56,421 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-17 16:40:56,421 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 16:40:56,421 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-17 16:40:56,421 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:40:56,421 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:40:56,422 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:40:56,579 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:40:56,582 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:40:57,006 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:40:57,216 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:40:57,216 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-10-17 16:40:57,219 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:40:57 BoogieIcfgContainer [2022-10-17 16:40:57,219 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:40:57,221 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:40:57,221 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:40:57,247 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:40:57,264 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:40:57" (1/1) ... [2022-10-17 16:40:57,274 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:40:57,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:57,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 24 states and 34 transitions. [2022-10-17 16:40:57,337 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 34 transitions. [2022-10-17 16:40:57,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-17 16:40:57,342 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:57,343 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:57,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:57,951 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-10-17 16:40:59,211 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-17 16:40:59,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:59,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 24 states and 32 transitions. [2022-10-17 16:40:59,232 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 32 transitions. [2022-10-17 16:40:59,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-17 16:40:59,233 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:59,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:59,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:59,808 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-10-17 16:40:59,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:59,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 25 states and 33 transitions. [2022-10-17 16:40:59,862 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 33 transitions. [2022-10-17 16:40:59,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-10-17 16:40:59,864 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:59,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:41:00,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:41:00,601 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-10-17 16:41:01,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:41:01,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 26 states and 34 transitions. [2022-10-17 16:41:01,348 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 34 transitions. [2022-10-17 16:41:01,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-17 16:41:01,349 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:41:01,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:41:02,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:41:21,301 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.