./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-fpi/s3lif.c --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_e22ea52e-da28-41e6-8c52-24a14fab9300/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e22ea52e-da28-41e6-8c52-24a14fab9300/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_e22ea52e-da28-41e6-8c52-24a14fab9300/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e22ea52e-da28-41e6-8c52-24a14fab9300/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/array-fpi/s3lif.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e22ea52e-da28-41e6-8c52-24a14fab9300/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_e22ea52e-da28-41e6-8c52-24a14fab9300/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 3aac75742402b60de8e734a48b2dd5180b95add96e084901e84c53f880aa300a --- 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 16:40:59,179 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:40:59,182 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:40:59,241 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:40:59,242 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:40:59,247 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:40:59,250 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:40:59,258 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:40:59,262 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:40:59,270 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:40:59,272 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:40:59,275 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:40:59,279 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:40:59,282 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:40:59,284 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:40:59,286 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:40:59,288 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:40:59,290 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:40:59,292 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:40:59,303 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:40:59,305 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:40:59,306 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:40:59,311 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:40:59,313 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:40:59,324 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:40:59,324 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:40:59,325 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:40:59,327 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:40:59,328 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:40:59,329 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:40:59,330 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:40:59,331 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:40:59,334 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:40:59,335 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:40:59,337 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:40:59,337 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:40:59,338 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:40:59,338 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:40:59,338 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:40:59,340 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:40:59,340 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:40:59,342 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e22ea52e-da28-41e6-8c52-24a14fab9300/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:40:59,388 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:40:59,388 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:40:59,390 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:40:59,390 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:40:59,391 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:40:59,391 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:40:59,392 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:40:59,392 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:40:59,392 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:40:59,392 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:40:59,393 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:40:59,394 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:40:59,394 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:40:59,394 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:40:59,394 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:40:59,395 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:40:59,395 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:40:59,395 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:40:59,395 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:40:59,396 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:40:59,396 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:40:59,396 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:40:59,397 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:40:59,397 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:40:59,397 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:40:59,397 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:40:59,398 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:40:59,398 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:40:59,398 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_e22ea52e-da28-41e6-8c52-24a14fab9300/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e22ea52e-da28-41e6-8c52-24a14fab9300/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3aac75742402b60de8e734a48b2dd5180b95add96e084901e84c53f880aa300a [2022-10-17 16:40:59,694 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:40:59,730 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:40:59,733 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:40:59,734 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:40:59,736 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:40:59,737 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e22ea52e-da28-41e6-8c52-24a14fab9300/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/array-fpi/s3lif.c [2022-10-17 16:40:59,813 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e22ea52e-da28-41e6-8c52-24a14fab9300/bin/ukojak-92XMlrwhuB/data/fc3a8c1e0/0df5695d32a94affba063fd82cd1590d/FLAG3dd32b89d [2022-10-17 16:41:00,370 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:41:00,371 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e22ea52e-da28-41e6-8c52-24a14fab9300/sv-benchmarks/c/array-fpi/s3lif.c [2022-10-17 16:41:00,381 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e22ea52e-da28-41e6-8c52-24a14fab9300/bin/ukojak-92XMlrwhuB/data/fc3a8c1e0/0df5695d32a94affba063fd82cd1590d/FLAG3dd32b89d [2022-10-17 16:41:00,743 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e22ea52e-da28-41e6-8c52-24a14fab9300/bin/ukojak-92XMlrwhuB/data/fc3a8c1e0/0df5695d32a94affba063fd82cd1590d [2022-10-17 16:41:00,746 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:41:00,750 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:41:00,753 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:41:00,754 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:41:00,757 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:41:00,760 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:41:00" (1/1) ... [2022-10-17 16:41:00,762 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@917c306 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:41:00, skipping insertion in model container [2022-10-17 16:41:00,762 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:41:00" (1/1) ... [2022-10-17 16:41:00,771 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:41:00,790 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:41:01,016 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_e22ea52e-da28-41e6-8c52-24a14fab9300/sv-benchmarks/c/array-fpi/s3lif.c[588,601] [2022-10-17 16:41:01,039 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:41:01,046 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:41:01,062 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_e22ea52e-da28-41e6-8c52-24a14fab9300/sv-benchmarks/c/array-fpi/s3lif.c[588,601] [2022-10-17 16:41:01,072 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:41:01,087 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:41:01,087 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:41:01 WrapperNode [2022-10-17 16:41:01,087 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:41:01,089 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:41:01,089 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:41:01,089 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:41:01,110 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:41:01" (1/1) ... [2022-10-17 16:41:01,132 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:41:01" (1/1) ... [2022-10-17 16:41:01,153 INFO L138 Inliner]: procedures = 17, calls = 24, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 81 [2022-10-17 16:41:01,154 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:41:01,155 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:41:01,155 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:41:01,155 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:41:01,163 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:41:01" (1/1) ... [2022-10-17 16:41:01,163 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:41:01" (1/1) ... [2022-10-17 16:41:01,166 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:41:01" (1/1) ... [2022-10-17 16:41:01,166 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:41:01" (1/1) ... [2022-10-17 16:41:01,174 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:41:01" (1/1) ... [2022-10-17 16:41:01,179 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:41:01" (1/1) ... [2022-10-17 16:41:01,180 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:41:01" (1/1) ... [2022-10-17 16:41:01,181 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:41:01" (1/1) ... [2022-10-17 16:41:01,184 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:41:01,185 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:41:01,185 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:41:01,186 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:41:01,187 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:41:01" (1/1) ... [2022-10-17 16:41:01,193 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:41:01,209 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e22ea52e-da28-41e6-8c52-24a14fab9300/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:41:01,224 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e22ea52e-da28-41e6-8c52-24a14fab9300/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:41:01,240 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e22ea52e-da28-41e6-8c52-24a14fab9300/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:41:01,274 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:41:01,275 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:41:01,275 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 16:41:01,275 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 16:41:01,275 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 16:41:01,276 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:41:01,276 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:41:01,276 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 16:41:01,276 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 16:41:01,345 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:41:01,348 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:41:01,605 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:41:01,671 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:41:01,671 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-10-17 16:41:01,674 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:41:01 BoogieIcfgContainer [2022-10-17 16:41:01,674 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:41:01,675 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:41:01,675 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:41:01,686 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:41:01,687 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:41:01" (1/1) ... [2022-10-17 16:41:01,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:41:01,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:41:01,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 11 states and 15 transitions. [2022-10-17 16:41:01,783 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 15 transitions. [2022-10-17 16:41:01,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 16:41:01,786 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:41:01,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:41:01,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:41:02,085 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 16:41:02,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:41:02,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 12 states and 16 transitions. [2022-10-17 16:41:02,163 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 16 transitions. [2022-10-17 16:41:02,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-17 16:41:02,164 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:41:02,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:41:02,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:41:02,305 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:41:02,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:41:02,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 13 states and 18 transitions. [2022-10-17 16:41:02,387 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 18 transitions. [2022-10-17 16:41:02,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-17 16:41:02,388 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:41:02,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:41:02,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:41:02,561 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:41:02,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:41:02,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 14 states and 20 transitions. [2022-10-17 16:41:02,619 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 20 transitions. [2022-10-17 16:41:02,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-17 16:41:02,619 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:41:02,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:41:02,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:41:03,640 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:41:04,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:41:04,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 21 states and 43 transitions. [2022-10-17 16:41:04,703 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 43 transitions. [2022-10-17 16:41:04,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-17 16:41:04,706 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:41:04,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:41:04,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:41:04,950 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:41:05,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:41:05,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 24 states and 54 transitions. [2022-10-17 16:41:05,651 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 54 transitions. [2022-10-17 16:41:05,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-17 16:41:05,652 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:41:05,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:41:05,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:41:05,713 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:41:05,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:41:05,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 24 states and 51 transitions. [2022-10-17 16:41:05,948 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 51 transitions. [2022-10-17 16:41:05,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-17 16:41:05,949 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:41:05,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:41:05,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:41:06,129 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:41:06,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:41:06,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 27 states and 58 transitions. [2022-10-17 16:41:06,985 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 58 transitions. [2022-10-17 16:41:06,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-17 16:41:06,986 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:41:06,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:41:07,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:41:07,126 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-10-17 16:41:07,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:41:07,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 28 states and 59 transitions. [2022-10-17 16:41:07,310 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 59 transitions. [2022-10-17 16:41:07,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-17 16:41:07,311 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:41:07,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:41:07,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:41:07,425 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-10-17 16:41:08,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:41:08,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 31 states and 63 transitions. [2022-10-17 16:41:08,366 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 63 transitions. [2022-10-17 16:41:08,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 16:41:08,367 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:41:08,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:41:08,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:41:10,384 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:41:13,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:41:13,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 37 states and 83 transitions. [2022-10-17 16:41:13,100 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 83 transitions. [2022-10-17 16:41:13,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 16:41:13,101 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:41:13,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:41:13,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:41:14,798 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:41:16,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:41:16,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 41 states and 99 transitions. [2022-10-17 16:41:16,304 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 99 transitions. [2022-10-17 16:41:16,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 16:41:16,305 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:41:16,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:41:16,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:41:16,676 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-10-17 16:41:17,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:41:17,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 43 states and 103 transitions. [2022-10-17 16:41:17,937 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 103 transitions. [2022-10-17 16:41:17,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 16:41:17,938 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:41:17,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:41:17,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:41:18,426 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:41:19,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:41:19,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 38 states and 87 transitions. [2022-10-17 16:41:19,068 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 87 transitions. [2022-10-17 16:41:19,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 16:41:19,070 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:41:19,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:41:19,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:41:19,251 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 6 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-10-17 16:41:19,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:41:19,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 39 states and 87 transitions. [2022-10-17 16:41:19,722 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 87 transitions. [2022-10-17 16:41:19,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 16:41:19,723 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:41:19,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:41:19,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:41:20,085 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-17 16:41:21,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:41:21,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 43 states and 99 transitions. [2022-10-17 16:41:21,779 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 99 transitions. [2022-10-17 16:41:21,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 16:41:21,780 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:41:21,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:41:21,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:41:22,132 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-17 16:41:22,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:41:22,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 44 states and 102 transitions. [2022-10-17 16:41:22,607 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 102 transitions. [2022-10-17 16:41:22,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-17 16:41:22,608 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:41:22,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:41:22,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:41:22,926 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-10-17 16:41:24,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:41:24,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 48 states and 107 transitions. [2022-10-17 16:41:24,091 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 107 transitions. [2022-10-17 16:41:24,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-17 16:41:24,099 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:41:24,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:41:24,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:41:27,888 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.