./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-fpi/s2lif.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_322a0a04-a055-4ac9-8d76-677df0fbcec7/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_322a0a04-a055-4ac9-8d76-677df0fbcec7/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_322a0a04-a055-4ac9-8d76-677df0fbcec7/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_322a0a04-a055-4ac9-8d76-677df0fbcec7/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/array-fpi/s2lif.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_322a0a04-a055-4ac9-8d76-677df0fbcec7/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_322a0a04-a055-4ac9-8d76-677df0fbcec7/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 b94168e93e7008f2fa8921a5a8a54bdf1fdce85df40220d4719fdc5076df164f --- 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 16:30:29,959 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:30:29,962 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:30:29,997 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:30:29,998 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:30:29,999 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:30:30,001 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:30:30,003 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:30:30,005 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:30:30,007 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:30:30,008 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:30:30,009 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:30:30,010 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:30:30,011 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:30:30,013 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:30:30,014 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:30:30,015 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:30:30,016 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:30:30,018 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:30:30,021 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:30:30,023 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:30:30,024 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:30:30,026 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:30:30,027 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:30:30,031 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:30:30,032 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:30:30,032 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:30:30,033 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:30:30,034 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:30:30,035 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:30:30,036 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:30:30,036 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:30:30,037 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:30:30,038 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:30:30,040 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:30:30,040 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:30:30,041 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:30:30,041 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:30:30,042 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:30:30,043 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:30:30,044 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:30:30,045 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_322a0a04-a055-4ac9-8d76-677df0fbcec7/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:30:30,074 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:30:30,076 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:30:30,077 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:30:30,078 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:30:30,078 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:30:30,079 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:30:30,079 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:30:30,079 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:30:30,079 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:30:30,080 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:30:30,081 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:30:30,081 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:30:30,081 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:30:30,081 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:30:30,082 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:30:30,082 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:30:30,082 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:30:30,082 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:30:30,083 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:30:30,083 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:30:30,083 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:30:30,083 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:30:30,084 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:30:30,084 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:30:30,084 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:30:30,084 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:30:30,086 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:30:30,087 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:30:30,087 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_322a0a04-a055-4ac9-8d76-677df0fbcec7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_322a0a04-a055-4ac9-8d76-677df0fbcec7/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b94168e93e7008f2fa8921a5a8a54bdf1fdce85df40220d4719fdc5076df164f [2022-10-17 16:30:30,368 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:30:30,399 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:30:30,401 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:30:30,402 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:30:30,403 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:30:30,404 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_322a0a04-a055-4ac9-8d76-677df0fbcec7/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/array-fpi/s2lif.c [2022-10-17 16:30:30,493 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_322a0a04-a055-4ac9-8d76-677df0fbcec7/bin/ukojak-92XMlrwhuB/data/e974bf883/27edc7116cf6474a8ae84f8486ff5db6/FLAGb7ff28bff [2022-10-17 16:30:30,928 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:30:30,929 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_322a0a04-a055-4ac9-8d76-677df0fbcec7/sv-benchmarks/c/array-fpi/s2lif.c [2022-10-17 16:30:30,935 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_322a0a04-a055-4ac9-8d76-677df0fbcec7/bin/ukojak-92XMlrwhuB/data/e974bf883/27edc7116cf6474a8ae84f8486ff5db6/FLAGb7ff28bff [2022-10-17 16:30:31,328 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_322a0a04-a055-4ac9-8d76-677df0fbcec7/bin/ukojak-92XMlrwhuB/data/e974bf883/27edc7116cf6474a8ae84f8486ff5db6 [2022-10-17 16:30:31,331 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:30:31,332 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:30:31,335 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:30:31,335 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:30:31,339 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:30:31,340 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:30:31" (1/1) ... [2022-10-17 16:30:31,342 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6434a85d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:30:31, skipping insertion in model container [2022-10-17 16:30:31,342 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:30:31" (1/1) ... [2022-10-17 16:30:31,350 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:30:31,368 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:30:31,596 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_322a0a04-a055-4ac9-8d76-677df0fbcec7/sv-benchmarks/c/array-fpi/s2lif.c[588,601] [2022-10-17 16:30:31,633 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:30:31,643 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:30:31,660 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_322a0a04-a055-4ac9-8d76-677df0fbcec7/sv-benchmarks/c/array-fpi/s2lif.c[588,601] [2022-10-17 16:30:31,693 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:30:31,707 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:30:31,708 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:30:31 WrapperNode [2022-10-17 16:30:31,708 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:30:31,709 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:30:31,710 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:30:31,710 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:30:31,717 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:30:31" (1/1) ... [2022-10-17 16:30:31,725 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:30:31" (1/1) ... [2022-10-17 16:30:31,762 INFO L138 Inliner]: procedures = 17, calls = 24, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 81 [2022-10-17 16:30:31,762 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:30:31,763 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:30:31,763 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:30:31,764 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:30:31,773 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:30:31" (1/1) ... [2022-10-17 16:30:31,774 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:30:31" (1/1) ... [2022-10-17 16:30:31,789 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:30:31" (1/1) ... [2022-10-17 16:30:31,790 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:30:31" (1/1) ... [2022-10-17 16:30:31,795 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:30:31" (1/1) ... [2022-10-17 16:30:31,800 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:30:31" (1/1) ... [2022-10-17 16:30:31,801 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:30:31" (1/1) ... [2022-10-17 16:30:31,802 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:30:31" (1/1) ... [2022-10-17 16:30:31,805 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:30:31,806 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:30:31,806 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:30:31,806 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:30:31,807 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:30:31" (1/1) ... [2022-10-17 16:30:31,814 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:30:31,828 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_322a0a04-a055-4ac9-8d76-677df0fbcec7/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:30:31,846 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_322a0a04-a055-4ac9-8d76-677df0fbcec7/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:30:31,864 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_322a0a04-a055-4ac9-8d76-677df0fbcec7/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:30:31,891 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:30:31,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:30:31,892 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 16:30:31,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 16:30:31,892 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 16:30:31,892 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:30:31,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:30:31,893 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 16:30:31,893 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 16:30:31,951 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:30:31,953 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:30:32,166 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:30:32,315 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:30:32,316 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-10-17 16:30:32,318 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:30:32 BoogieIcfgContainer [2022-10-17 16:30:32,318 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:30:32,319 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:30:32,320 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:30:32,329 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:30:32,329 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:30:32" (1/1) ... [2022-10-17 16:30:32,338 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:30:32,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:32,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 11 states and 15 transitions. [2022-10-17 16:30:32,406 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 15 transitions. [2022-10-17 16:30:32,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 16:30:32,408 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:32,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:32,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:32,720 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 16:30:32,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:32,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 12 states and 16 transitions. [2022-10-17 16:30:32,796 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 16 transitions. [2022-10-17 16:30:32,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-17 16:30:32,797 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:32,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:32,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:32,970 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 16:30:33,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:33,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 13 states and 18 transitions. [2022-10-17 16:30:33,092 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 18 transitions. [2022-10-17 16:30:33,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-17 16:30:33,093 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:33,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:33,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:33,203 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 16:30:33,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:33,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 14 states and 20 transitions. [2022-10-17 16:30:33,243 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 20 transitions. [2022-10-17 16:30:33,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-17 16:30:33,243 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:33,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:33,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:34,420 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 16:30:35,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:35,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 21 states and 43 transitions. [2022-10-17 16:30:35,578 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 43 transitions. [2022-10-17 16:30:35,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-17 16:30:35,581 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:35,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:35,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:35,836 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 16:30:36,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:36,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 24 states and 54 transitions. [2022-10-17 16:30:36,617 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 54 transitions. [2022-10-17 16:30:36,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-17 16:30:36,618 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:36,619 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:36,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:36,683 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 16:30:36,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:36,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 24 states and 51 transitions. [2022-10-17 16:30:36,947 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 51 transitions. [2022-10-17 16:30:36,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-17 16:30:36,948 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:36,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:36,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:37,199 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 16:30:38,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:38,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 27 states and 58 transitions. [2022-10-17 16:30:38,148 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 58 transitions. [2022-10-17 16:30:38,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-17 16:30:38,151 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:38,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:38,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:38,303 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 16:30:38,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:38,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 28 states and 59 transitions. [2022-10-17 16:30:38,547 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 59 transitions. [2022-10-17 16:30:38,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-17 16:30:38,548 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:38,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:38,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:38,664 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 16:30:39,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:39,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 31 states and 63 transitions. [2022-10-17 16:30:39,751 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 63 transitions. [2022-10-17 16:30:39,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 16:30:39,752 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:39,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:39,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:41,643 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 16:30:44,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:44,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 37 states and 86 transitions. [2022-10-17 16:30:44,611 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 86 transitions. [2022-10-17 16:30:44,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 16:30:44,612 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:44,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:44,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:46,108 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 16:30:48,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:48,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 39 states and 99 transitions. [2022-10-17 16:30:48,029 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 99 transitions. [2022-10-17 16:30:48,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 16:30:48,030 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:48,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:48,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:48,460 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:30:49,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:49,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 34 states and 83 transitions. [2022-10-17 16:30:49,364 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 83 transitions. [2022-10-17 16:30:49,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 16:30:49,366 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:49,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:49,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:49,678 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 16:30:50,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:50,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 37 states and 88 transitions. [2022-10-17 16:30:50,938 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 88 transitions. [2022-10-17 16:30:50,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 16:30:50,940 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:50,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:50,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:51,201 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 16:30:52,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:52,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 40 states and 96 transitions. [2022-10-17 16:30:52,329 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 96 transitions. [2022-10-17 16:30:52,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 16:30:52,330 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:52,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:52,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:52,728 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 16:30:55,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:55,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 45 states and 114 transitions. [2022-10-17 16:30:55,016 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 114 transitions. [2022-10-17 16:30:55,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 16:30:55,017 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:55,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:55,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:55,366 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 16:30:55,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:55,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 46 states and 119 transitions. [2022-10-17 16:30:55,861 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 119 transitions. [2022-10-17 16:30:55,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-17 16:30:55,862 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:55,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:55,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:56,227 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 16:30:58,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:58,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 50 states and 128 transitions. [2022-10-17 16:30:58,022 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 128 transitions. [2022-10-17 16:30:58,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-17 16:30:58,023 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:58,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:58,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:31:00,842 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.