./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-zilu/benchmark52_polynomial.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2559486f-a4ea-4062-8615-811588b3b489/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2559486f-a4ea-4062-8615-811588b3b489/bin/ukojak-rkRKPMF4O4/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2559486f-a4ea-4062-8615-811588b3b489/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2559486f-a4ea-4062-8615-811588b3b489/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-zilu/benchmark52_polynomial.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2559486f-a4ea-4062-8615-811588b3b489/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2559486f-a4ea-4062-8615-811588b3b489/bin/ukojak-rkRKPMF4O4 --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 30423d130febadd361f3e4a853592861e7b12a17e365ee39eab7e3a86989589e --- 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-2329fc7 [2022-12-15 00:46:36,951 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-15 00:46:36,953 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-15 00:46:36,970 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-15 00:46:36,971 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-15 00:46:36,971 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-15 00:46:36,973 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-15 00:46:36,974 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-15 00:46:36,975 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-15 00:46:36,976 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-15 00:46:36,977 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-15 00:46:36,978 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-15 00:46:36,978 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-15 00:46:36,979 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-15 00:46:36,980 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-15 00:46:36,981 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-15 00:46:36,982 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-15 00:46:36,983 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-15 00:46:36,984 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-15 00:46:36,986 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-15 00:46:36,987 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-15 00:46:36,988 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-15 00:46:36,989 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-15 00:46:36,990 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-15 00:46:36,993 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-15 00:46:36,994 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-15 00:46:36,994 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-15 00:46:36,995 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-15 00:46:36,995 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-15 00:46:36,996 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-15 00:46:36,997 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-15 00:46:36,998 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-15 00:46:36,998 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-15 00:46:36,999 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-15 00:46:37,000 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-15 00:46:37,000 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-15 00:46:37,001 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-15 00:46:37,001 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-15 00:46:37,001 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-15 00:46:37,002 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-15 00:46:37,002 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-15 00:46:37,003 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2559486f-a4ea-4062-8615-811588b3b489/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-12-15 00:46:37,030 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-15 00:46:37,030 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-15 00:46:37,031 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-15 00:46:37,031 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-15 00:46:37,037 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-15 00:46:37,037 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-15 00:46:37,038 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-15 00:46:37,038 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-15 00:46:37,038 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-15 00:46:37,038 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-15 00:46:37,038 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-15 00:46:37,038 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-15 00:46:37,039 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-15 00:46:37,039 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-15 00:46:37,039 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-15 00:46:37,039 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-15 00:46:37,039 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-15 00:46:37,039 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-15 00:46:37,039 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-15 00:46:37,040 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-15 00:46:37,040 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-15 00:46:37,040 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 00:46:37,040 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-15 00:46:37,040 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-15 00:46:37,041 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-15 00:46:37,041 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-15 00:46:37,041 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-15 00:46:37,041 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-15 00:46:37,041 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_2559486f-a4ea-4062-8615-811588b3b489/bin/ukojak-rkRKPMF4O4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2559486f-a4ea-4062-8615-811588b3b489/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 30423d130febadd361f3e4a853592861e7b12a17e365ee39eab7e3a86989589e [2022-12-15 00:46:37,223 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-15 00:46:37,238 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-15 00:46:37,240 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-15 00:46:37,241 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-15 00:46:37,241 INFO L275 PluginConnector]: CDTParser initialized [2022-12-15 00:46:37,242 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2559486f-a4ea-4062-8615-811588b3b489/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/loop-zilu/benchmark52_polynomial.i [2022-12-15 00:46:39,869 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-15 00:46:40,011 INFO L351 CDTParser]: Found 1 translation units. [2022-12-15 00:46:40,011 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2559486f-a4ea-4062-8615-811588b3b489/sv-benchmarks/c/loop-zilu/benchmark52_polynomial.i [2022-12-15 00:46:40,017 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2559486f-a4ea-4062-8615-811588b3b489/bin/ukojak-rkRKPMF4O4/data/3e10d26f0/158045bc2a2b4764b793bb885216d42e/FLAGff8d0270b [2022-12-15 00:46:40,029 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2559486f-a4ea-4062-8615-811588b3b489/bin/ukojak-rkRKPMF4O4/data/3e10d26f0/158045bc2a2b4764b793bb885216d42e [2022-12-15 00:46:40,031 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-15 00:46:40,032 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-15 00:46:40,034 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-15 00:46:40,034 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-15 00:46:40,037 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-15 00:46:40,037 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:46:40" (1/1) ... [2022-12-15 00:46:40,038 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d2f5390 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:46:40, skipping insertion in model container [2022-12-15 00:46:40,038 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:46:40" (1/1) ... [2022-12-15 00:46:40,045 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-15 00:46:40,058 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-15 00:46:40,178 WARN L237 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_2559486f-a4ea-4062-8615-811588b3b489/sv-benchmarks/c/loop-zilu/benchmark52_polynomial.i[872,885] [2022-12-15 00:46:40,187 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 00:46:40,195 INFO L203 MainTranslator]: Completed pre-run [2022-12-15 00:46:40,206 WARN L237 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_2559486f-a4ea-4062-8615-811588b3b489/sv-benchmarks/c/loop-zilu/benchmark52_polynomial.i[872,885] [2022-12-15 00:46:40,209 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 00:46:40,221 INFO L208 MainTranslator]: Completed translation [2022-12-15 00:46:40,221 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:46:40 WrapperNode [2022-12-15 00:46:40,221 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-15 00:46:40,222 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-15 00:46:40,222 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-15 00:46:40,223 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-15 00:46:40,229 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:46:40" (1/1) ... [2022-12-15 00:46:40,234 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:46:40" (1/1) ... [2022-12-15 00:46:40,246 INFO L138 Inliner]: procedures = 15, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 26 [2022-12-15 00:46:40,246 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-15 00:46:40,247 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-15 00:46:40,247 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-15 00:46:40,247 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-15 00:46:40,254 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:46:40" (1/1) ... [2022-12-15 00:46:40,254 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:46:40" (1/1) ... [2022-12-15 00:46:40,255 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:46:40" (1/1) ... [2022-12-15 00:46:40,255 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:46:40" (1/1) ... [2022-12-15 00:46:40,258 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:46:40" (1/1) ... [2022-12-15 00:46:40,260 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:46:40" (1/1) ... [2022-12-15 00:46:40,261 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:46:40" (1/1) ... [2022-12-15 00:46:40,262 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:46:40" (1/1) ... [2022-12-15 00:46:40,263 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-15 00:46:40,264 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-15 00:46:40,264 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-15 00:46:40,264 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-15 00:46:40,265 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:46:40" (1/1) ... [2022-12-15 00:46:40,270 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 00:46:40,279 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2559486f-a4ea-4062-8615-811588b3b489/bin/ukojak-rkRKPMF4O4/z3 [2022-12-15 00:46:40,291 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2559486f-a4ea-4062-8615-811588b3b489/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-15 00:46:40,292 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2559486f-a4ea-4062-8615-811588b3b489/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-15 00:46:40,334 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-15 00:46:40,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-15 00:46:40,335 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-15 00:46:40,335 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-15 00:46:40,385 INFO L235 CfgBuilder]: Building ICFG [2022-12-15 00:46:40,386 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-15 00:46:40,452 INFO L276 CfgBuilder]: Performing block encoding [2022-12-15 00:46:40,470 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-15 00:46:40,470 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-15 00:46:40,472 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:46:40 BoogieIcfgContainer [2022-12-15 00:46:40,472 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-15 00:46:40,473 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-15 00:46:40,473 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-15 00:46:40,481 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-15 00:46:40,482 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:46:40" (1/1) ... [2022-12-15 00:46:40,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-15 00:46:40,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:46:40,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2022-12-15 00:46:40,540 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2022-12-15 00:46:40,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-15 00:46:40,542 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:46:40,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:46:40,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:46:40,628 INFO L263 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-15 00:46:40,631 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 00:46:40,696 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:46:40,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:46:40,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 10 states and 11 transitions. [2022-12-15 00:46:40,733 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 11 transitions. [2022-12-15 00:46:40,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-12-15 00:46:40,734 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:46:40,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:46:40,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:46:40,755 INFO L263 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 11 conjunts are in the unsatisfiable core [2022-12-15 00:46:40,757 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 00:46:40,861 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:46:40,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:46:40,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2022-12-15 00:46:40,975 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2022-12-15 00:46:40,975 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-15 00:46:40,976 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 3 iterations. [2022-12-15 00:46:40,983 INFO L754 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2022-12-15 00:46:40,999 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-12-15 00:46:41,002 INFO L560 CodeCheckObserver]: Invariant with dag size 12 [2022-12-15 00:46:41,009 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 15.12 12:46:41 ImpRootNode [2022-12-15 00:46:41,009 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-12-15 00:46:41,010 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-15 00:46:41,010 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-15 00:46:41,010 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-15 00:46:41,010 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:46:40" (3/4) ... [2022-12-15 00:46:41,013 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-15 00:46:41,022 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2022-12-15 00:46:41,022 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2022-12-15 00:46:41,022 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-12-15 00:46:41,023 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-15 00:46:41,049 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2559486f-a4ea-4062-8615-811588b3b489/bin/ukojak-rkRKPMF4O4/witness.graphml [2022-12-15 00:46:41,049 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-15 00:46:41,050 INFO L158 Benchmark]: Toolchain (without parser) took 1017.55ms. Allocated memory was 117.4MB in the beginning and 144.7MB in the end (delta: 27.3MB). Free memory was 84.1MB in the beginning and 111.4MB in the end (delta: -27.3MB). Peak memory consumption was 1.5MB. Max. memory is 16.1GB. [2022-12-15 00:46:41,050 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 117.4MB. Free memory is still 85.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-15 00:46:41,051 INFO L158 Benchmark]: CACSL2BoogieTranslator took 187.90ms. Allocated memory is still 117.4MB. Free memory was 84.1MB in the beginning and 73.9MB in the end (delta: 10.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-15 00:46:41,051 INFO L158 Benchmark]: Boogie Procedure Inliner took 23.63ms. Allocated memory is still 117.4MB. Free memory was 73.9MB in the beginning and 72.7MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-15 00:46:41,051 INFO L158 Benchmark]: Boogie Preprocessor took 16.64ms. Allocated memory is still 117.4MB. Free memory was 72.7MB in the beginning and 71.4MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-15 00:46:41,052 INFO L158 Benchmark]: RCFGBuilder took 208.20ms. Allocated memory is still 117.4MB. Free memory was 71.4MB in the beginning and 61.7MB in the end (delta: 9.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-15 00:46:41,052 INFO L158 Benchmark]: CodeCheck took 536.11ms. Allocated memory was 117.4MB in the beginning and 144.7MB in the end (delta: 27.3MB). Free memory was 61.7MB in the beginning and 114.2MB in the end (delta: -52.5MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-15 00:46:41,052 INFO L158 Benchmark]: Witness Printer took 39.84ms. Allocated memory is still 144.7MB. Free memory was 114.2MB in the beginning and 111.4MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-15 00:46:41,054 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 9 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 21 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 10 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 12 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 18 IncrementalHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 12 mSolverCounterUnsat, 10 mSDtfsCounter, 18 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 77 GetRequests, 66 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 11 NumberOfCodeBlocks, 11 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 35 SizeOfPredicates, 3 NumberOfNonLiveVariables, 69 ConjunctsInSsa, 14 ConjunctsInUnsatCore, 2 InterpolantComputations, 1 PerfectInterpolantSequences, 0/1 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 16]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: (i < 10 && 0 < i + 10) || (!(i < 10) && i < 11) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 117.4MB. Free memory is still 85.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 187.90ms. Allocated memory is still 117.4MB. Free memory was 84.1MB in the beginning and 73.9MB in the end (delta: 10.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 23.63ms. Allocated memory is still 117.4MB. Free memory was 73.9MB in the beginning and 72.7MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 16.64ms. Allocated memory is still 117.4MB. Free memory was 72.7MB in the beginning and 71.4MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 208.20ms. Allocated memory is still 117.4MB. Free memory was 71.4MB in the beginning and 61.7MB in the end (delta: 9.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 536.11ms. Allocated memory was 117.4MB in the beginning and 144.7MB in the end (delta: 27.3MB). Free memory was 61.7MB in the beginning and 114.2MB in the end (delta: -52.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 39.84ms. Allocated memory is still 144.7MB. Free memory was 114.2MB in the beginning and 111.4MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-12-15 00:46:41,071 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2559486f-a4ea-4062-8615-811588b3b489/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE