./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-fpi/brs4.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_c84210f5-548b-426b-b1c5-d06cff7e7730/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c84210f5-548b-426b-b1c5-d06cff7e7730/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_c84210f5-548b-426b-b1c5-d06cff7e7730/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c84210f5-548b-426b-b1c5-d06cff7e7730/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/array-fpi/brs4.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c84210f5-548b-426b-b1c5-d06cff7e7730/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_c84210f5-548b-426b-b1c5-d06cff7e7730/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 727a45fc5966747e99c4394c0114e789db4ba39dd55af3d2c235925ac8282f92 --- 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 16:40:41,622 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:40:41,625 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:40:41,658 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:40:41,658 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:40:41,660 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:40:41,662 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:40:41,664 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:40:41,667 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:40:41,668 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:40:41,669 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:40:41,671 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:40:41,672 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:40:41,673 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:40:41,675 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:40:41,676 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:40:41,678 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:40:41,679 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:40:41,684 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:40:41,689 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:40:41,695 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:40:41,700 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:40:41,702 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:40:41,705 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:40:41,711 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:40:41,716 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:40:41,716 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:40:41,718 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:40:41,719 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:40:41,721 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:40:41,721 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:40:41,723 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:40:41,725 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:40:41,726 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:40:41,728 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:40:41,728 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:40:41,729 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:40:41,731 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:40:41,731 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:40:41,732 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:40:41,733 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:40:41,734 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c84210f5-548b-426b-b1c5-d06cff7e7730/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:40:41,785 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:40:41,786 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:40:41,787 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:40:41,788 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:40:41,788 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:40:41,789 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:40:41,789 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:40:41,789 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:40:41,790 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:40:41,790 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:40:41,791 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:40:41,791 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:40:41,792 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:40:41,792 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:40:41,792 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:40:41,792 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:40:41,793 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:40:41,793 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:40:41,793 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:40:41,793 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:40:41,794 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:40:41,794 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:40:41,794 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:40:41,795 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:40:41,795 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:40:41,795 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:40:41,797 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:40:41,798 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:40:41,798 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_c84210f5-548b-426b-b1c5-d06cff7e7730/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c84210f5-548b-426b-b1c5-d06cff7e7730/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 727a45fc5966747e99c4394c0114e789db4ba39dd55af3d2c235925ac8282f92 [2022-10-17 16:40:42,075 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:40:42,097 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:40:42,100 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:40:42,112 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:40:42,113 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:40:42,114 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c84210f5-548b-426b-b1c5-d06cff7e7730/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/array-fpi/brs4.c [2022-10-17 16:40:42,184 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c84210f5-548b-426b-b1c5-d06cff7e7730/bin/ukojak-92XMlrwhuB/data/0311a57cf/0d7293e32c6341cab1113bd8bd53fd71/FLAG70f659f9f [2022-10-17 16:40:42,653 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:40:42,654 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c84210f5-548b-426b-b1c5-d06cff7e7730/sv-benchmarks/c/array-fpi/brs4.c [2022-10-17 16:40:42,671 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c84210f5-548b-426b-b1c5-d06cff7e7730/bin/ukojak-92XMlrwhuB/data/0311a57cf/0d7293e32c6341cab1113bd8bd53fd71/FLAG70f659f9f [2022-10-17 16:40:43,176 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c84210f5-548b-426b-b1c5-d06cff7e7730/bin/ukojak-92XMlrwhuB/data/0311a57cf/0d7293e32c6341cab1113bd8bd53fd71 [2022-10-17 16:40:43,178 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:40:43,180 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:40:43,181 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:40:43,182 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:40:43,185 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:40:43,186 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:40:43" (1/1) ... [2022-10-17 16:40:43,187 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e15f778 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:40:43, skipping insertion in model container [2022-10-17 16:40:43,187 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:40:43" (1/1) ... [2022-10-17 16:40:43,194 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:40:43,209 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:40:43,413 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_c84210f5-548b-426b-b1c5-d06cff7e7730/sv-benchmarks/c/array-fpi/brs4.c[587,600] [2022-10-17 16:40:43,433 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:40:43,441 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:40:43,455 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_c84210f5-548b-426b-b1c5-d06cff7e7730/sv-benchmarks/c/array-fpi/brs4.c[587,600] [2022-10-17 16:40:43,462 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:40:43,476 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:40:43,477 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:40:43 WrapperNode [2022-10-17 16:40:43,477 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:40:43,478 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:40:43,478 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:40:43,479 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:40:43,486 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:40:43" (1/1) ... [2022-10-17 16:40:43,493 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:40:43" (1/1) ... [2022-10-17 16:40:43,514 INFO L138 Inliner]: procedures = 17, calls = 27, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 73 [2022-10-17 16:40:43,514 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:40:43,515 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:40:43,515 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:40:43,515 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:40:43,525 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:40:43" (1/1) ... [2022-10-17 16:40:43,525 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:40:43" (1/1) ... [2022-10-17 16:40:43,527 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:40:43" (1/1) ... [2022-10-17 16:40:43,528 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:40:43" (1/1) ... [2022-10-17 16:40:43,534 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:40:43" (1/1) ... [2022-10-17 16:40:43,538 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:40:43" (1/1) ... [2022-10-17 16:40:43,546 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:40:43" (1/1) ... [2022-10-17 16:40:43,547 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:40:43" (1/1) ... [2022-10-17 16:40:43,549 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:40:43,550 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:40:43,550 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:40:43,550 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:40:43,551 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:40:43" (1/1) ... [2022-10-17 16:40:43,558 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:40:43,573 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c84210f5-548b-426b-b1c5-d06cff7e7730/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:40:43,582 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c84210f5-548b-426b-b1c5-d06cff7e7730/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:40:43,595 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c84210f5-548b-426b-b1c5-d06cff7e7730/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:40:43,636 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:40:43,637 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:40:43,639 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 16:40:43,640 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 16:40:43,640 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 16:40:43,640 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:40:43,640 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:40:43,640 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 16:40:43,641 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 16:40:43,724 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:40:43,727 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:40:43,943 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:40:44,067 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:40:44,083 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-10-17 16:40:44,086 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:40:44 BoogieIcfgContainer [2022-10-17 16:40:44,086 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:40:44,087 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:40:44,087 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:40:44,099 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:40:44,099 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:40:44" (1/1) ... [2022-10-17 16:40:44,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:40:44,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:44,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 10 states and 13 transitions. [2022-10-17 16:40:44,214 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 13 transitions. [2022-10-17 16:40:44,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-17 16:40:44,217 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:44,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:44,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:44,693 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 16:40:44,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:44,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 11 states and 14 transitions. [2022-10-17 16:40:44,750 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 14 transitions. [2022-10-17 16:40:44,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 16:40:44,751 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:44,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:44,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:44,933 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 16:40:45,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:45,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 12 states and 16 transitions. [2022-10-17 16:40:45,031 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 16 transitions. [2022-10-17 16:40:45,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-17 16:40:45,032 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:45,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:45,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:45,338 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:40:45,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:45,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 14 states and 22 transitions. [2022-10-17 16:40:45,517 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 22 transitions. [2022-10-17 16:40:45,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-17 16:40:45,520 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:45,521 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:45,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:45,691 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:40:46,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:46,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 17 states and 31 transitions. [2022-10-17 16:40:46,060 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 31 transitions. [2022-10-17 16:40:46,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-17 16:40:46,061 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:46,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:46,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:47,123 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:40:48,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:48,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 20 states and 36 transitions. [2022-10-17 16:40:48,328 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 36 transitions. [2022-10-17 16:40:48,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-17 16:40:48,329 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:48,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:48,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:48,571 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 16:40:49,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:49,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 23 states and 43 transitions. [2022-10-17 16:40:49,302 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 43 transitions. [2022-10-17 16:40:49,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-17 16:40:49,303 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:49,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:49,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:50,986 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:40:52,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:52,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 26 states and 55 transitions. [2022-10-17 16:40:52,585 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 55 transitions. [2022-10-17 16:40:52,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 16:40:52,586 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:52,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:52,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:52,861 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:40:54,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:54,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 31 states and 66 transitions. [2022-10-17 16:40:54,647 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 66 transitions. [2022-10-17 16:40:54,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 16:40:54,648 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:54,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:54,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:56,956 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:40:59,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:59,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 35 states and 86 transitions. [2022-10-17 16:40:59,430 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 86 transitions. [2022-10-17 16:40:59,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 16:40:59,431 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:59,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:59,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:41:01,257 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:41:01,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:41:01,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 36 states and 94 transitions. [2022-10-17 16:41:01,741 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 94 transitions. [2022-10-17 16:41:01,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 16:41:01,742 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:41:01,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:41:01,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:41:02,107 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 11 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:41:03,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:41:03,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 40 states and 102 transitions. [2022-10-17 16:41:03,791 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 102 transitions. [2022-10-17 16:41:03,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-17 16:41:03,792 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:41:03,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:41:03,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:41:07,159 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:41:10,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:41:10,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 45 states and 129 transitions. [2022-10-17 16:41:10,968 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 129 transitions. [2022-10-17 16:41:10,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-17 16:41:10,970 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:41:10,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:41:11,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat