./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loops/eureka_05.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6426206-c893-43ba-9226-ae64ff3c92ff/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6426206-c893-43ba-9226-ae64ff3c92ff/bin/ukojak-LBtLqBUTdQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6426206-c893-43ba-9226-ae64ff3c92ff/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6426206-c893-43ba-9226-ae64ff3c92ff/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/loops/eureka_05.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6426206-c893-43ba-9226-ae64ff3c92ff/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6426206-c893-43ba-9226-ae64ff3c92ff/bin/ukojak-LBtLqBUTdQ --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 3f12ca1e314a03dfb1c8beadd0c1a180c2d2339dd5f3109d5999df06d52395ab --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 01:22:22,512 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 01:22:22,522 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 01:22:22,559 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 01:22:22,560 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 01:22:22,561 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 01:22:22,569 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 01:22:22,571 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 01:22:22,574 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 01:22:22,575 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 01:22:22,576 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 01:22:22,578 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 01:22:22,578 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 01:22:22,579 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 01:22:22,581 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 01:22:22,583 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 01:22:22,584 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 01:22:22,585 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 01:22:22,587 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 01:22:22,590 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 01:22:22,592 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 01:22:22,593 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 01:22:22,595 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 01:22:22,596 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 01:22:22,600 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 01:22:22,600 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 01:22:22,600 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 01:22:22,602 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 01:22:22,602 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 01:22:22,604 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 01:22:22,604 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 01:22:22,605 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 01:22:22,606 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 01:22:22,607 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 01:22:22,608 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 01:22:22,608 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 01:22:22,609 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 01:22:22,610 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 01:22:22,610 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 01:22:22,611 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 01:22:22,612 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 01:22:22,615 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6426206-c893-43ba-9226-ae64ff3c92ff/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 01:22:22,655 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 01:22:22,655 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 01:22:22,657 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 01:22:22,657 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 01:22:22,658 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 01:22:22,658 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 01:22:22,659 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 01:22:22,659 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 01:22:22,665 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 01:22:22,665 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 01:22:22,666 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 01:22:22,667 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 01:22:22,667 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 01:22:22,667 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 01:22:22,667 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 01:22:22,668 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 01:22:22,668 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 01:22:22,668 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 01:22:22,668 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 01:22:22,669 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 01:22:22,669 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 01:22:22,669 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:22:22,669 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 01:22:22,670 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 01:22:22,670 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 01:22:22,670 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 01:22:22,670 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 01:22:22,670 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 01:22:22,671 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_e6426206-c893-43ba-9226-ae64ff3c92ff/bin/ukojak-LBtLqBUTdQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6426206-c893-43ba-9226-ae64ff3c92ff/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3f12ca1e314a03dfb1c8beadd0c1a180c2d2339dd5f3109d5999df06d52395ab [2021-11-23 01:22:22,935 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 01:22:22,966 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 01:22:22,969 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 01:22:22,970 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 01:22:22,971 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 01:22:22,973 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6426206-c893-43ba-9226-ae64ff3c92ff/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/loops/eureka_05.i [2021-11-23 01:22:23,041 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6426206-c893-43ba-9226-ae64ff3c92ff/bin/ukojak-LBtLqBUTdQ/data/bfd2167de/0973dcd7e43045718d1279a2fcc7498e/FLAG21f14c438 [2021-11-23 01:22:23,497 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 01:22:23,497 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6426206-c893-43ba-9226-ae64ff3c92ff/sv-benchmarks/c/loops/eureka_05.i [2021-11-23 01:22:23,503 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6426206-c893-43ba-9226-ae64ff3c92ff/bin/ukojak-LBtLqBUTdQ/data/bfd2167de/0973dcd7e43045718d1279a2fcc7498e/FLAG21f14c438 [2021-11-23 01:22:23,516 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6426206-c893-43ba-9226-ae64ff3c92ff/bin/ukojak-LBtLqBUTdQ/data/bfd2167de/0973dcd7e43045718d1279a2fcc7498e [2021-11-23 01:22:23,519 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 01:22:23,520 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 01:22:23,522 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 01:22:23,522 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 01:22:23,525 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 01:22:23,526 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:22:23" (1/1) ... [2021-11-23 01:22:23,527 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b6410f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:22:23, skipping insertion in model container [2021-11-23 01:22:23,528 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:22:23" (1/1) ... [2021-11-23 01:22:23,535 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 01:22:23,551 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:22:23,750 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_e6426206-c893-43ba-9226-ae64ff3c92ff/sv-benchmarks/c/loops/eureka_05.i[810,823] [2021-11-23 01:22:23,775 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:22:23,787 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 01:22:23,803 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_e6426206-c893-43ba-9226-ae64ff3c92ff/sv-benchmarks/c/loops/eureka_05.i[810,823] [2021-11-23 01:22:23,827 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:22:23,845 INFO L208 MainTranslator]: Completed translation [2021-11-23 01:22:23,845 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:22:23 WrapperNode [2021-11-23 01:22:23,846 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 01:22:23,847 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 01:22:23,847 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 01:22:23,849 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 01:22:23,857 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:22:23" (1/1) ... [2021-11-23 01:22:23,874 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:22:23" (1/1) ... [2021-11-23 01:22:23,903 INFO L137 Inliner]: procedures = 16, calls = 24, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 84 [2021-11-23 01:22:23,903 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 01:22:23,904 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 01:22:23,904 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 01:22:23,904 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 01:22:23,913 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:22:23" (1/1) ... [2021-11-23 01:22:23,913 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:22:23" (1/1) ... [2021-11-23 01:22:23,917 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:22:23" (1/1) ... [2021-11-23 01:22:23,918 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:22:23" (1/1) ... [2021-11-23 01:22:23,936 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:22:23" (1/1) ... [2021-11-23 01:22:23,940 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:22:23" (1/1) ... [2021-11-23 01:22:23,941 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:22:23" (1/1) ... [2021-11-23 01:22:23,943 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 01:22:23,944 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 01:22:23,944 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 01:22:23,944 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 01:22:23,948 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:22:23" (1/1) ... [2021-11-23 01:22:23,955 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:22:23,967 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6426206-c893-43ba-9226-ae64ff3c92ff/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 01:22:23,979 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6426206-c893-43ba-9226-ae64ff3c92ff/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 01:22:24,000 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6426206-c893-43ba-9226-ae64ff3c92ff/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 01:22:24,028 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 01:22:24,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 01:22:24,029 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 01:22:24,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 01:22:24,030 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 01:22:24,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 01:22:24,030 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 01:22:24,030 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 01:22:24,097 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 01:22:24,098 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 01:22:24,290 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 01:22:24,355 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 01:22:24,357 INFO L301 CfgBuilder]: Removed 4 assume(true) statements. [2021-11-23 01:22:24,360 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:22:24 BoogieIcfgContainer [2021-11-23 01:22:24,360 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 01:22:24,361 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 01:22:24,362 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 01:22:24,372 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 01:22:24,373 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:22:24" (1/1) ... [2021-11-23 01:22:24,384 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:22:24,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:22:24,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 10 states and 14 transitions. [2021-11-23 01:22:24,455 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 14 transitions. [2021-11-23 01:22:24,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-23 01:22:24,457 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:22:24,458 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:22:24,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:22:24,622 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:22:24,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:22:24,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 11 states and 15 transitions. [2021-11-23 01:22:24,663 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 15 transitions. [2021-11-23 01:22:24,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-23 01:22:24,666 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:22:24,666 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:22:24,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:22:24,749 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:22:24,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:22:24,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 12 states and 16 transitions. [2021-11-23 01:22:24,788 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 16 transitions. [2021-11-23 01:22:24,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 01:22:24,788 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:22:24,788 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:22:24,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:22:24,854 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 01:22:25,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:22:25,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 13 states and 18 transitions. [2021-11-23 01:22:25,143 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 18 transitions. [2021-11-23 01:22:25,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 01:22:25,144 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:22:25,144 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:22:25,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:22:25,274 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 01:22:25,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:22:25,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 14 states and 20 transitions. [2021-11-23 01:22:25,336 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 20 transitions. [2021-11-23 01:22:25,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 01:22:25,337 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:22:25,338 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:22:25,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:22:25,443 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 01:22:25,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:22:25,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 15 states and 22 transitions. [2021-11-23 01:22:25,550 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 22 transitions. [2021-11-23 01:22:25,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:22:25,551 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:22:25,551 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:22:25,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:22:25,631 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 01:22:25,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:22:25,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 16 states and 24 transitions. [2021-11-23 01:22:25,743 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 24 transitions. [2021-11-23 01:22:25,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:22:25,746 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:22:25,747 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:22:25,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:22:25,832 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 01:22:25,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:22:25,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 17 states and 26 transitions. [2021-11-23 01:22:25,947 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 26 transitions. [2021-11-23 01:22:25,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 01:22:25,948 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:22:25,948 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:22:25,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:22:26,010 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-11-23 01:22:26,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:22:26,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2021-11-23 01:22:26,770 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2021-11-23 01:22:26,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 01:22:26,770 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:22:26,771 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:22:26,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:22:26,847 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-11-23 01:22:27,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:22:27,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 23 states and 34 transitions. [2021-11-23 01:22:27,066 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 34 transitions. [2021-11-23 01:22:27,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 01:22:27,066 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:22:27,067 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:22:27,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:22:27,171 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-11-23 01:22:27,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:22:27,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 24 states and 36 transitions. [2021-11-23 01:22:27,409 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 36 transitions. [2021-11-23 01:22:27,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 01:22:27,410 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:22:27,410 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:22:27,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:22:27,512 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-11-23 01:22:27,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:22:27,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 25 states and 37 transitions. [2021-11-23 01:22:27,734 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 37 transitions. [2021-11-23 01:22:27,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 01:22:27,735 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:22:27,735 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:22:27,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:22:27,805 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2021-11-23 01:22:28,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:22:28,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 29 states and 41 transitions. [2021-11-23 01:22:28,570 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 41 transitions. [2021-11-23 01:22:28,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 01:22:28,571 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:22:28,571 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:22:28,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:22:28,604 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2021-11-23 01:22:29,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:22:29,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 31 states and 42 transitions. [2021-11-23 01:22:29,109 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 42 transitions. [2021-11-23 01:22:29,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:22:29,110 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:22:29,110 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:22:29,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:22:29,198 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 0 proven. 53 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-11-23 01:22:29,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:22:29,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 34 states and 45 transitions. [2021-11-23 01:22:29,793 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 45 transitions. [2021-11-23 01:22:29,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:22:29,794 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:22:29,794 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:22:29,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:22:29,861 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 0 proven. 53 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-11-23 01:22:30,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:22:30,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 35 states and 45 transitions. [2021-11-23 01:22:30,273 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 45 transitions. [2021-11-23 01:22:30,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 01:22:30,274 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:22:30,274 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:22:30,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:22:30,373 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2021-11-23 01:22:30,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:22:30,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 37 states and 47 transitions. [2021-11-23 01:22:30,999 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 47 transitions. [2021-11-23 01:22:31,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 01:22:31,000 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:22:31,000 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:22:31,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:22:31,038 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2021-11-23 01:22:31,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:22:31,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 37 states and 46 transitions. [2021-11-23 01:22:31,283 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 46 transitions. [2021-11-23 01:22:31,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 01:22:31,284 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:22:31,284 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:22:31,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:22:31,395 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2021-11-23 01:22:31,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:22:31,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 38 states and 47 transitions. [2021-11-23 01:22:31,703 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 47 transitions. [2021-11-23 01:22:31,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 01:22:31,704 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:22:31,704 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:22:31,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:22:31,817 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2021-11-23 01:22:32,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:22:32,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 39 states and 48 transitions. [2021-11-23 01:22:32,161 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 48 transitions. [2021-11-23 01:22:32,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 01:22:32,163 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:22:32,163 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:22:32,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:22:32,298 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2021-11-23 01:22:32,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:22:32,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 40 states and 48 transitions. [2021-11-23 01:22:32,643 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 48 transitions. [2021-11-23 01:22:32,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 01:22:32,644 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:22:32,644 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:22:32,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:22:33,882 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 6 proven. 14 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2021-11-23 01:22:43,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:22:43,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 63 states and 82 transitions. [2021-11-23 01:22:43,264 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 82 transitions. [2021-11-23 01:22:43,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 01:22:43,265 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:22:43,265 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:22:43,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:22:43,523 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 6 proven. 14 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2021-11-23 01:22:45,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:22:45,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 42 states and 50 transitions. [2021-11-23 01:22:45,650 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 50 transitions. [2021-11-23 01:22:45,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 01:22:45,651 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:22:45,651 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:22:45,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:22:47,834 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 1 proven. 21 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2021-11-23 01:23:05,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:05,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 67 states and 87 transitions. [2021-11-23 01:23:05,994 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 87 transitions. [2021-11-23 01:23:05,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 01:23:05,995 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:05,996 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:06,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:06,324 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 1 proven. 21 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2021-11-23 01:23:09,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:09,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 46 states and 55 transitions. [2021-11-23 01:23:09,774 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 55 transitions. [2021-11-23 01:23:09,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-23 01:23:09,774 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:09,774 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:09,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:12,937 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 1 proven. 80 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2021-11-23 01:23:39,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:39,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 74 states and 94 transitions. [2021-11-23 01:23:39,092 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 94 transitions. [2021-11-23 01:23:39,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-23 01:23:39,093 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:39,093 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:39,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:39,643 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 1 proven. 80 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2021-11-23 01:23:44,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:44,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 53 states and 63 transitions. [2021-11-23 01:23:44,221 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 63 transitions. [2021-11-23 01:23:44,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-23 01:23:44,222 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:44,223 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:44,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:50,772 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 1 proven. 97 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2021-11-23 01:24:32,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:32,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 84 states and 107 transitions. [2021-11-23 01:24:32,739 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 107 transitions. [2021-11-23 01:24:32,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-23 01:24:32,740 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:32,740 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:32,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:33,559 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 1 proven. 97 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2021-11-23 01:24:39,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:39,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 90 states and 110 transitions. [2021-11-23 01:24:39,380 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 110 transitions. [2021-11-23 01:24:39,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-23 01:24:39,381 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:39,381 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:39,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:41,844 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 70 proven. 0 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2021-11-23 01:24:54,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:54,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 92 states and 113 transitions. [2021-11-23 01:24:54,137 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 113 transitions. [2021-11-23 01:24:54,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-23 01:24:54,138 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:54,138 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:54,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:00,828 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 4 proven. 42 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2021-11-23 01:26:06,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:06,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 126 states and 162 transitions. [2021-11-23 01:26:06,930 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 162 transitions. [2021-11-23 01:26:06,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-23 01:26:06,932 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:06,932 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:06,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:07,615 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 4 proven. 42 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2021-11-23 01:26:15,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:15,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 132 states and 165 transitions. [2021-11-23 01:26:15,838 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 165 transitions. [2021-11-23 01:26:15,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-23 01:26:15,838 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:15,839 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:15,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:16,986 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 27 proven. 13 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2021-11-23 01:26:29,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:29,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 130 states and 158 transitions. [2021-11-23 01:26:29,587 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 158 transitions. [2021-11-23 01:26:29,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-23 01:26:29,587 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:29,587 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:29,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:31,127 INFO L134 CoverageAnalysis]: Checked inductivity of 358 backedges. 180 proven. 67 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2021-11-23 01:26:38,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:38,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 134 states and 163 transitions. [2021-11-23 01:26:38,669 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 163 transitions. [2021-11-23 01:26:38,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-23 01:26:38,669 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:38,670 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:38,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:38,847 INFO L134 CoverageAnalysis]: Checked inductivity of 358 backedges. 180 proven. 67 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2021-11-23 01:26:43,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:43,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 51 states and 56 transitions. [2021-11-23 01:26:43,627 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 56 transitions. [2021-11-23 01:26:43,627 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-23 01:26:43,627 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 35 iterations. [2021-11-23 01:26:43,640 INFO L754 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2021-11-23 01:26:44,744 INFO L560 CodeCheckObserver]: Invariant with dag size 69 [2021-11-23 01:26:44,771 INFO L560 CodeCheckObserver]: Invariant with dag size 56 [2021-11-23 01:26:44,781 INFO L560 CodeCheckObserver]: Invariant with dag size 82 [2021-11-23 01:26:44,823 INFO L560 CodeCheckObserver]: Invariant with dag size 51 [2021-11-23 01:26:44,825 INFO L560 CodeCheckObserver]: Invariant with dag size 48 [2021-11-23 01:26:44,827 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 01:26:44 ImpRootNode [2021-11-23 01:26:44,827 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-11-23 01:26:44,828 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-23 01:26:44,829 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-23 01:26:44,829 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-23 01:26:44,829 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:22:24" (3/4) ... [2021-11-23 01:26:44,835 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-23 01:26:44,848 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2021-11-23 01:26:44,848 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2021-11-23 01:26:44,849 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2021-11-23 01:26:44,849 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-23 01:26:44,919 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6426206-c893-43ba-9226-ae64ff3c92ff/bin/ukojak-LBtLqBUTdQ/witness.graphml [2021-11-23 01:26:44,919 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-23 01:26:44,921 INFO L158 Benchmark]: Toolchain (without parser) took 261400.15ms. Allocated memory was 102.8MB in the beginning and 2.1GB in the end (delta: 2.0GB). Free memory was 63.6MB in the beginning and 1.7GB in the end (delta: -1.6GB). Peak memory consumption was 413.4MB. Max. memory is 16.1GB. [2021-11-23 01:26:44,923 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 102.8MB. Free memory was 80.0MB in the beginning and 80.0MB in the end (delta: 50.1kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 01:26:44,923 INFO L158 Benchmark]: CACSL2BoogieTranslator took 324.61ms. Allocated memory is still 102.8MB. Free memory was 63.4MB in the beginning and 77.3MB in the end (delta: -13.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 01:26:44,924 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.10ms. Allocated memory is still 102.8MB. Free memory was 77.3MB in the beginning and 75.6MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 01:26:44,924 INFO L158 Benchmark]: Boogie Preprocessor took 39.28ms. Allocated memory is still 102.8MB. Free memory was 75.6MB in the beginning and 74.3MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 01:26:44,925 INFO L158 Benchmark]: RCFGBuilder took 416.47ms. Allocated memory is still 102.8MB. Free memory was 74.3MB in the beginning and 62.4MB in the end (delta: 12.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 01:26:44,925 INFO L158 Benchmark]: CodeCheck took 260466.28ms. Allocated memory was 102.8MB in the beginning and 2.1GB in the end (delta: 2.0GB). Free memory was 62.1MB in the beginning and 1.7GB in the end (delta: -1.6GB). Peak memory consumption was 409.3MB. Max. memory is 16.1GB. [2021-11-23 01:26:44,926 INFO L158 Benchmark]: Witness Printer took 91.34ms. Allocated memory is still 2.1GB. Free memory was 1.7GB in the beginning and 1.7GB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 01:26:44,930 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, 10 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 259.2s, OverallIterations: 35, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2463 SdHoareTripleChecker+Valid, 28.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1827 mSDsluCounter, 170 SdHoareTripleChecker+Invalid, 24.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 6862 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 16745 IncrementalHoareTripleChecker+Invalid, 23607 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6862 mSolverCounterUnsat, 170 mSDtfsCounter, 16745 mSolverCounterSat, 0.3s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 8054 GetRequests, 6581 SyntacticMatches, 339 SemanticMatches, 1134 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 605621 ImplicationChecksByTransitivity, 250.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 1.5s SatisfiabilityAnalysisTime, 27.9s InterpolantComputationTime, 916 NumberOfCodeBlocks, 916 NumberOfCodeBlocksAsserted, 34 NumberOfCheckSat, 882 ConstructedInterpolants, 0 QuantifiedInterpolants, 8850 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 34 InterpolantComputations, 4 PerfectInterpolantSequences, 2416/3453 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: 44]: Loop Invariant Derived loop invariant: (((((((((((((((0 <= array && unknown-#memory_int-unknown[array][12] == 3) && 2 == unknown-#memory_int-unknown[array][array + 8]) && 5 <= n) && array + 4 == unknown-#memory_int-unknown[array][16 + array]) && array == 0) && n <= 5) && i < 0) && 1 == unknown-#memory_int-unknown[array][array + 4]) && array <= 0) && unknown-#memory_int-unknown[array][0] == 0) && !(array == array)) || ((((((((3 == unknown-#memory_int-unknown[array][i * 4 + array := i][12] && 0 <= array) && array + 8 <= 4 * i) && 5 <= n) && unknown-#memory_int-unknown[array][i * 4 + array := i][16 + array] == array + 4) && i < 3) && array == 0) && n <= 5) && !(array == array))) || ((((((16 + array <= 4 * i && 0 <= array) && 5 <= n) && array == 0) && n <= 5) && i <= 4) && !(array == array))) || (((((((((((3 == unknown-#memory_int-unknown[array][i * 4 + array := i][12] && 0 <= i) && 2 == unknown-#memory_int-unknown[array][i * 4 + array := i][array + 8]) && 0 <= array) && 5 <= n) && i < 1) && unknown-#memory_int-unknown[array][i * 4 + array := i][16 + array] == array + 4) && array == 0) && n <= 5) && unknown-#memory_int-unknown[array][i * 4 + array := i][array + 4] == 1) && array <= 0) && !(array == array))) || (((((((((3 == unknown-#memory_int-unknown[array][i * 4 + array := i][12] && 2 == unknown-#memory_int-unknown[array][i * 4 + array := i][array + 8]) && 5 <= n) && array + 4 == 4 * i + array) && unknown-#memory_int-unknown[array][i * 4 + array := i][16 + array] == array + 4) && 1 <= i) && array == 0) && n <= 5) && array <= 0) && !(array == array))) || (((((((5 <= n && unknown-#memory_int-unknown[array][i * 4 + array := i][16 + array] == array + 4) && array == 0) && n <= 5) && 3 <= i) && array <= 0) && 4 * i <= array + 12) && !(array == array)) - InvariantResult [Line: 49]: Loop Invariant Derived loop invariant: (((((((i == unknown-#memory_int-unknown[array][i * 4 + array] && i + 1 == unknown-#memory_int-unknown[array][i * 4 + 4]) && 2 < i) && array == 0) || ((((((i == unknown-#memory_int-unknown[array][i * 4 + array] && 3 + i == unknown-#memory_int-unknown[array][i * 4 + 12]) && unknown-#memory_int-unknown[array][12] == 3) && i <= 1) && 1 <= i) && array == 0) && unknown-#memory_int-unknown[array][i * 4 + 4] == 2)) || (((((i == unknown-#memory_int-unknown[array][i * 4 + array] && i <= 2) && unknown-#memory_int-unknown[array][12] == 3) && unknown-#memory_int-unknown[array][i * 4 + 8] == 2 + i) && 1 < i) && array == 0)) || 5 <= i) || ((i == unknown-#memory_int-unknown[array][i * 4 + array] && 4 <= i) && array == 0)) || ((((((i == unknown-#memory_int-unknown[array][i * 4 + array] && unknown-#memory_int-unknown[array][12] == 3) && 2 == unknown-#memory_int-unknown[array][8]) && 1 == unknown-#memory_int-unknown[array][4]) && array == 0) && 0 == 4 * i + array) && unknown-#memory_int-unknown[array][16] == 4) - InvariantResult [Line: 32]: Loop Invariant Derived loop invariant: ((((((((((((((((((n < i + 3 && 0 <= array) && unknown-#memory_int-unknown[array][12] == 3) && 2 == unknown-#memory_int-unknown[array][array + 8]) && 3 + lh <= n) && array + 4 == unknown-#memory_int-unknown[array][16 + array]) && n < lh + 4) && array == 0) && 1 == unknown-#memory_int-unknown[array][array + 4]) && array <= 0) && unknown-#memory_int-unknown[array][0] == 0) && !(array == array)) || ((((((((((((0 <= array && unknown-#memory_int-unknown[array][12] == 3) && 2 == unknown-#memory_int-unknown[array][array + 8]) && 5 <= n) && array + 4 == unknown-#memory_int-unknown[array][16 + array]) && array == 0) && n <= 5) && 1 == unknown-#memory_int-unknown[array][array + 4]) && lh == 0) && n + lh < i + 2) && array <= 0) && unknown-#memory_int-unknown[array][0] == 0) && !(array == array))) || ((((((((((((n + lh <= i + 4 && 4 * i + array <= 4 * lh + 4) && 0 <= array) && unknown-#memory_int-unknown[array][12] == 3) && 2 == unknown-#memory_int-unknown[array][array + 8]) && array + 4 == unknown-#memory_int-unknown[array][16 + array]) && array == 0) && 4 * lh + 4 <= 4 * i + array) && 1 == unknown-#memory_int-unknown[array][array + 4]) && lh == 0) && array <= 0) && unknown-#memory_int-unknown[array][0] == 0) && !(array == array))) || (((((((((((0 <= array && unknown-#memory_int-unknown[array][12] == 3) && 2 == unknown-#memory_int-unknown[array][array + 8]) && 5 <= n) && n + lh < i + 4) && array + 4 == unknown-#memory_int-unknown[array][16 + array]) && array == 0) && 1 == unknown-#memory_int-unknown[array][array + 4]) && lh == 0) && 4 * i + array <= 4 * lh + 8) && unknown-#memory_int-unknown[array][0] == 0) && !(array == array))) || (((((((((((0 <= array && unknown-#memory_int-unknown[array][12] == 3) && 2 == unknown-#memory_int-unknown[array][array + 8]) && array + 4 == unknown-#memory_int-unknown[array][16 + array]) && !(lh == 0)) && lh + 4 <= n) && array == 0) && 1 == unknown-#memory_int-unknown[array][array + 4]) && array <= 0) && unknown-#memory_int-unknown[array][0] == 0) && n <= lh + 4) && !(array == array))) || ((((((((((((0 <= array && unknown-#memory_int-unknown[array][12] == 3) && 2 == unknown-#memory_int-unknown[array][array + 8]) && n + lh < i + 4) && array + 4 == unknown-#memory_int-unknown[array][16 + array]) && lh + 4 <= n) && array == 0) && 1 == unknown-#memory_int-unknown[array][array + 4]) && lh == 0) && array <= 0) && n < 5) && unknown-#memory_int-unknown[array][0] == 0) && !(array == array))) || (((((((((((0 <= array && unknown-#memory_int-unknown[array][12] == 3) && 2 == unknown-#memory_int-unknown[array][array + 8]) && n < i + 2) && n < 3 + lh) && array + 4 == unknown-#memory_int-unknown[array][16 + array]) && array == 0) && 1 == unknown-#memory_int-unknown[array][array + 4]) && 2 + lh <= n) && array <= 0) && unknown-#memory_int-unknown[array][0] == 0) && !(array == array))) || ((((((((((n < 2 + lh && 0 <= array) && unknown-#memory_int-unknown[array][12] == 3) && 2 == unknown-#memory_int-unknown[array][array + 8]) && n < i + 1) && array + 4 == unknown-#memory_int-unknown[array][16 + array]) && array == 0) && 1 == unknown-#memory_int-unknown[array][array + 4]) && array <= 0) && unknown-#memory_int-unknown[array][0] == 0) && !(array == array))) || (((((((((((0 <= array && unknown-#memory_int-unknown[array][12] == 3) && n + lh < i + 3) && 2 == unknown-#memory_int-unknown[array][array + 8]) && 4 * i + array == 12) && array + 4 == unknown-#memory_int-unknown[array][16 + array]) && array == 0) && 1 == unknown-#memory_int-unknown[array][array + 4]) && lh == 0) && array <= 0) && unknown-#memory_int-unknown[array][0] == 0) && !(array == array)) - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: (((((((unknown-#memory_int-unknown[array][12] == 3 && 2 == unknown-#memory_int-unknown[array][8]) && 1 == unknown-#memory_int-unknown[array][4]) && array == 0) && unknown-#memory_int-unknown[array][16] == 4) && n < lh + 1) && unknown-#memory_int-unknown[array][0] == 0) || ((((((((((0 <= array && unknown-#memory_int-unknown[array][12] == 3) && 2 == unknown-#memory_int-unknown[array][array + 8]) && array + 4 == unknown-#memory_int-unknown[array][16 + array]) && array == 0) && n <= 5) && 1 == unknown-#memory_int-unknown[array][array + 4]) && lh == 0) && array <= 0) && unknown-#memory_int-unknown[array][0] == 0) && !(array == array))) || (((((((((0 <= array && unknown-#memory_int-unknown[array][12] == 3) && 2 == unknown-#memory_int-unknown[array][array + 8]) && array + 4 == unknown-#memory_int-unknown[array][16 + array]) && array == 0) && 1 == unknown-#memory_int-unknown[array][array + 4]) && array <= 0) && unknown-#memory_int-unknown[array][0] == 0) && n <= lh + 4) && !(array == array)) - InvariantResult [Line: 14]: Loop Invariant Derived loop invariant: ((((((((i == 0 && unknown-#memory_int-unknown[array][12] == 3) && 2 == unknown-#memory_int-unknown[array][8]) && 1 == unknown-#memory_int-unknown[array][4]) && array == 0) && unknown-#memory_int-unknown[array][16] == 4) || 4 <= i) || (((((3 + i == unknown-#memory_int-unknown[array][i * 4 + 12] && unknown-#memory_int-unknown[array][12] == 3) && i <= 1) && 1 <= i) && array == 0) && unknown-#memory_int-unknown[array][i * 4 + 4] == 2)) || ((i + 1 == unknown-#memory_int-unknown[array][i * 4 + 4] && array == 0) && 3 <= i)) || ((((i <= 2 && 2 <= i) && unknown-#memory_int-unknown[array][12] == 3) && unknown-#memory_int-unknown[array][i * 4 + 8] == 2 + i) && array == 0) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 102.8MB. Free memory was 80.0MB in the beginning and 80.0MB in the end (delta: 50.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 324.61ms. Allocated memory is still 102.8MB. Free memory was 63.4MB in the beginning and 77.3MB in the end (delta: -13.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.10ms. Allocated memory is still 102.8MB. Free memory was 77.3MB in the beginning and 75.6MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.28ms. Allocated memory is still 102.8MB. Free memory was 75.6MB in the beginning and 74.3MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 416.47ms. Allocated memory is still 102.8MB. Free memory was 74.3MB in the beginning and 62.4MB in the end (delta: 12.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 260466.28ms. Allocated memory was 102.8MB in the beginning and 2.1GB in the end (delta: 2.0GB). Free memory was 62.1MB in the beginning and 1.7GB in the end (delta: -1.6GB). Peak memory consumption was 409.3MB. Max. memory is 16.1GB. * Witness Printer took 91.34ms. Allocated memory is still 2.1GB. Free memory was 1.7GB in the beginning and 1.7GB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2021-11-23 01:26:44,992 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6426206-c893-43ba-9226-ae64ff3c92ff/bin/ukojak-LBtLqBUTdQ/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