./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-crafted/mapavg5.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_f1a11f99-04e0-4aef-8499-8739d4514bd7/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1a11f99-04e0-4aef-8499-8739d4514bd7/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_f1a11f99-04e0-4aef-8499-8739d4514bd7/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1a11f99-04e0-4aef-8499-8739d4514bd7/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/array-crafted/mapavg5.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1a11f99-04e0-4aef-8499-8739d4514bd7/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_f1a11f99-04e0-4aef-8499-8739d4514bd7/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 407fcf7d2eac351408fa4d5f2ec0e8445116bd56ec588be775b50f5c012c0e01 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 00:51:41,757 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 00:51:41,761 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 00:51:41,821 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 00:51:41,822 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 00:51:41,823 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 00:51:41,825 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 00:51:41,828 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 00:51:41,831 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 00:51:41,833 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 00:51:41,834 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 00:51:41,836 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 00:51:41,837 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 00:51:41,839 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 00:51:41,841 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 00:51:41,843 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 00:51:41,845 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 00:51:41,853 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 00:51:41,857 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 00:51:41,863 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 00:51:41,867 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 00:51:41,874 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 00:51:41,880 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 00:51:41,881 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 00:51:41,887 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 00:51:41,895 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 00:51:41,896 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 00:51:41,897 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 00:51:41,898 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 00:51:41,899 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 00:51:41,902 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 00:51:41,903 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 00:51:41,909 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 00:51:41,911 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 00:51:41,913 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 00:51:41,914 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 00:51:41,915 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 00:51:41,915 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 00:51:41,916 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 00:51:41,917 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 00:51:41,918 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 00:51:41,919 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1a11f99-04e0-4aef-8499-8739d4514bd7/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 00:51:41,975 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 00:51:41,975 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 00:51:41,977 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 00:51:41,978 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 00:51:41,979 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 00:51:41,980 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 00:51:41,980 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 00:51:41,980 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 00:51:41,981 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 00:51:41,981 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 00:51:41,982 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 00:51:41,983 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 00:51:41,983 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 00:51:41,983 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 00:51:41,983 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 00:51:41,984 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 00:51:41,984 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 00:51:41,984 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 00:51:41,985 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 00:51:41,985 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 00:51:41,985 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 00:51:41,986 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:51:41,986 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 00:51:41,986 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 00:51:41,986 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 00:51:41,987 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 00:51:41,987 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 00:51:41,987 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 00:51:41,988 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_f1a11f99-04e0-4aef-8499-8739d4514bd7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1a11f99-04e0-4aef-8499-8739d4514bd7/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 407fcf7d2eac351408fa4d5f2ec0e8445116bd56ec588be775b50f5c012c0e01 [2021-11-23 00:51:42,318 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 00:51:42,353 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 00:51:42,357 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 00:51:42,359 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 00:51:42,360 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 00:51:42,362 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1a11f99-04e0-4aef-8499-8739d4514bd7/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/array-crafted/mapavg5.i [2021-11-23 00:51:42,449 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1a11f99-04e0-4aef-8499-8739d4514bd7/bin/ukojak-LBtLqBUTdQ/data/a62eb56e2/f94b75533ca54a71883b853e33c7bd41/FLAG0c73c4cbc [2021-11-23 00:51:43,002 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 00:51:43,002 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1a11f99-04e0-4aef-8499-8739d4514bd7/sv-benchmarks/c/array-crafted/mapavg5.i [2021-11-23 00:51:43,008 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1a11f99-04e0-4aef-8499-8739d4514bd7/bin/ukojak-LBtLqBUTdQ/data/a62eb56e2/f94b75533ca54a71883b853e33c7bd41/FLAG0c73c4cbc [2021-11-23 00:51:43,386 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1a11f99-04e0-4aef-8499-8739d4514bd7/bin/ukojak-LBtLqBUTdQ/data/a62eb56e2/f94b75533ca54a71883b853e33c7bd41 [2021-11-23 00:51:43,388 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 00:51:43,389 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 00:51:43,412 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 00:51:43,413 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 00:51:43,416 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 00:51:43,417 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:51:43" (1/1) ... [2021-11-23 00:51:43,419 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c37c1ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:51:43, skipping insertion in model container [2021-11-23 00:51:43,419 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:51:43" (1/1) ... [2021-11-23 00:51:43,428 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 00:51:43,448 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 00:51:43,708 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_f1a11f99-04e0-4aef-8499-8739d4514bd7/sv-benchmarks/c/array-crafted/mapavg5.i[1383,1396] [2021-11-23 00:51:43,712 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:51:43,721 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 00:51:43,746 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_f1a11f99-04e0-4aef-8499-8739d4514bd7/sv-benchmarks/c/array-crafted/mapavg5.i[1383,1396] [2021-11-23 00:51:43,748 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:51:43,767 INFO L208 MainTranslator]: Completed translation [2021-11-23 00:51:43,768 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:51:43 WrapperNode [2021-11-23 00:51:43,768 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 00:51:43,770 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 00:51:43,772 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 00:51:43,772 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 00:51:43,782 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:51:43" (1/1) ... [2021-11-23 00:51:43,808 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:51:43" (1/1) ... [2021-11-23 00:51:43,843 INFO L137 Inliner]: procedures = 16, calls = 21, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 70 [2021-11-23 00:51:43,844 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 00:51:43,845 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 00:51:43,845 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 00:51:43,846 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 00:51:43,855 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:51:43" (1/1) ... [2021-11-23 00:51:43,856 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:51:43" (1/1) ... [2021-11-23 00:51:43,861 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:51:43" (1/1) ... [2021-11-23 00:51:43,862 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:51:43" (1/1) ... [2021-11-23 00:51:43,885 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:51:43" (1/1) ... [2021-11-23 00:51:43,889 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:51:43" (1/1) ... [2021-11-23 00:51:43,891 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:51:43" (1/1) ... [2021-11-23 00:51:43,893 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 00:51:43,894 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 00:51:43,894 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 00:51:43,894 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 00:51:43,898 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:51:43" (1/1) ... [2021-11-23 00:51:43,906 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:51:43,926 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1a11f99-04e0-4aef-8499-8739d4514bd7/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 00:51:43,940 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1a11f99-04e0-4aef-8499-8739d4514bd7/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 00:51:43,960 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1a11f99-04e0-4aef-8499-8739d4514bd7/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 00:51:44,001 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 00:51:44,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 00:51:44,001 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 00:51:44,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 00:51:44,003 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 00:51:44,003 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 00:51:44,003 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 00:51:44,003 INFO L130 BoogieDeclarations]: Found specification of procedure mapavg [2021-11-23 00:51:44,004 INFO L138 BoogieDeclarations]: Found implementation of procedure mapavg [2021-11-23 00:51:44,004 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 00:51:44,103 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 00:51:44,105 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 00:51:44,368 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 00:51:44,421 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 00:51:44,421 INFO L301 CfgBuilder]: Removed 3 assume(true) statements. [2021-11-23 00:51:44,424 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:51:44 BoogieIcfgContainer [2021-11-23 00:51:44,424 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 00:51:44,425 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 00:51:44,425 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 00:51:44,444 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 00:51:44,444 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:51:44" (1/1) ... [2021-11-23 00:51:44,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 00:51:44,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:44,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 19 states and 25 transitions. [2021-11-23 00:51:44,551 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 25 transitions. [2021-11-23 00:51:44,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 00:51:44,558 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:44,559 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:44,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:44,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:44,842 INFO L263 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-23 00:51:44,849 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:51:45,066 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-23 00:51:45,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:45,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 20 states and 26 transitions. [2021-11-23 00:51:45,147 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 26 transitions. [2021-11-23 00:51:45,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 00:51:45,148 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:45,148 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:45,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:45,210 INFO L263 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-23 00:51:45,212 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:51:45,333 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-23 00:51:45,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:45,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 21 states and 27 transitions. [2021-11-23 00:51:45,437 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 27 transitions. [2021-11-23 00:51:45,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 00:51:45,440 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:45,441 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:45,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:45,565 INFO L263 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-23 00:51:45,567 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:51:45,698 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-23 00:51:45,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:45,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 23 states and 32 transitions. [2021-11-23 00:51:45,804 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 32 transitions. [2021-11-23 00:51:45,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 00:51:45,808 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:45,808 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:45,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:45,874 INFO L263 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-23 00:51:45,878 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:51:45,989 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-23 00:51:46,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:46,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 24 states and 33 transitions. [2021-11-23 00:51:46,094 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2021-11-23 00:51:46,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 00:51:46,096 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:46,097 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:46,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:46,186 INFO L263 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-23 00:51:46,191 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:51:46,279 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-23 00:51:46,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:46,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 26 states and 35 transitions. [2021-11-23 00:51:46,371 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 35 transitions. [2021-11-23 00:51:46,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 00:51:46,373 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:46,373 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:46,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:46,439 INFO L263 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-23 00:51:46,442 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:51:46,538 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-23 00:51:46,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:46,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 27 states and 37 transitions. [2021-11-23 00:51:46,594 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 37 transitions. [2021-11-23 00:51:46,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 00:51:46,595 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:46,595 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:46,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:46,636 INFO L263 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-23 00:51:46,638 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:51:46,700 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2021-11-23 00:51:46,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:46,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 24 states and 32 transitions. [2021-11-23 00:51:46,761 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 32 transitions. [2021-11-23 00:51:46,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 00:51:46,762 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:46,762 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:46,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:46,830 WARN L261 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 92 conjunts are in the unsatisfiable core [2021-11-23 00:51:46,833 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:51:46,946 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-23 00:51:47,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:51:47,927 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-23 00:51:47,928 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 278 treesize of output 148 [2021-11-23 00:52:03,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:52:03,246 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-23 00:52:03,247 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 527 treesize of output 282 [2021-11-23 00:52:09,742 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:52:09,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:52:09,747 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-23 00:52:09,748 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 436 treesize of output 294 [2021-11-23 00:52:16,935 INFO L354 Elim1Store]: treesize reduction 22, result has 12.0 percent of original size [2021-11-23 00:52:16,936 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 784 treesize of output 403 [2021-11-23 00:52:49,263 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-23 00:53:24,055 WARN L227 SmtUtils]: Spent 7.93s on a formula simplification. DAG size of input: 65 DAG size of output: 65 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-23 00:54:18,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:18,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 39 states and 68 transitions. [2021-11-23 00:54:18,067 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 68 transitions. [2021-11-23 00:54:18,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 00:54:18,069 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:18,071 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:18,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:18,389 WARN L261 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 95 conjunts are in the unsatisfiable core [2021-11-23 00:54:18,393 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:54:18,416 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 16 [2021-11-23 00:54:18,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:54:18,745 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 23 [2021-11-23 00:54:26,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:54:26,030 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-23 00:54:26,030 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 294 treesize of output 154 [2021-11-23 00:54:41,948 WARN L227 SmtUtils]: Spent 6.96s on a formula simplification. DAG size of input: 73 DAG size of output: 65 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-23 00:54:54,365 WARN L227 SmtUtils]: Spent 8.24s on a formula simplification that was a NOOP. DAG size: 69 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-23 00:54:54,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:54:54,427 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-23 00:54:54,427 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 543 treesize of output 288 [2021-11-23 00:55:01,961 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:55:01,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:55:01,967 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-23 00:55:01,967 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 448 treesize of output 300 [2021-11-23 00:55:15,051 INFO L354 Elim1Store]: treesize reduction 53, result has 27.4 percent of original size [2021-11-23 00:55:15,051 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 816 treesize of output 431 [2021-11-23 00:56:58,627 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-23 00:58:07,744 WARN L227 SmtUtils]: Spent 6.58s on a formula simplification. DAG size of input: 67 DAG size of output: 67 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-23 00:58:17,819 WARN L227 SmtUtils]: Spent 7.25s on a formula simplification that was a NOOP. DAG size: 68 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-23 00:59:11,012 WARN L227 SmtUtils]: Spent 6.41s on a formula simplification. DAG size of input: 71 DAG size of output: 71 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-23 01:00:43,622 WARN L838 $PredicateComparison]: unable to prove that (and (not (exists ((v_arrayElimCell_18 Int) (~N~0 Int) (v_arrayElimCell_19 Int)) (let ((.cse13 (+ v_arrayElimCell_19 v_arrayElimCell_18 1))) (let ((.cse14 (div .cse13 ~N~0))) (let ((.cse2 (mod (+ .cse14 1) 4294967296)) (.cse7 (mod .cse14 4294967296)) (.cse12 (= (mod .cse13 ~N~0) 0))) (let ((.cse9 (or (<= 0 .cse13) .cse12)) (.cse6 (< 2147483647 .cse7)) (.cse8 (<= .cse7 2147483647)) (.cse4 (< .cse13 0)) (.cse0 (< 2147483647 .cse2)) (.cse3 (<= .cse2 2147483647)) (.cse5 (not .cse12))) (and (let ((.cse1 (+ |c_ULTIMATE.start_main_~ret2~0#1| 4294967296))) (or (and (or (and .cse0 (= .cse1 .cse2)) (and .cse3 (= |c_ULTIMATE.start_main_~ret2~0#1| .cse2))) .cse4 .cse5) (and (or (and .cse6 (= .cse1 .cse7)) (and .cse8 (= |c_ULTIMATE.start_main_~ret2~0#1| .cse7))) .cse9))) (let ((.cse10 (+ |c_ULTIMATE.start_main_~ret~1#1| 4294967296))) (or (and (or (and (= .cse10 .cse2) .cse0) (and (= |c_ULTIMATE.start_main_~ret~1#1| .cse2) .cse3)) .cse4 .cse5) (and (or (and (= |c_ULTIMATE.start_main_~ret~1#1| .cse7) .cse8) (and .cse6 (= .cse10 .cse7))) .cse9))) (<= v_arrayElimCell_19 2147483647) (let ((.cse11 (+ |c_ULTIMATE.start_main_~ret5~0#1| 4294967296))) (or (and .cse9 (or (and .cse6 (= .cse11 .cse7)) (and .cse8 (= |c_ULTIMATE.start_main_~ret5~0#1| .cse7)))) (and .cse4 (or (and .cse0 (= .cse11 .cse2)) (and (= |c_ULTIMATE.start_main_~ret5~0#1| .cse2) .cse3)) .cse5))) (< 1 ~N~0) (<= ~N~0 2) (<= v_arrayElimCell_18 2147483647)))))))) (exists ((v_arrayElimCell_8 Int) (v_arrayElimCell_7 Int) (~N~0 Int)) (let ((.cse28 (+ v_arrayElimCell_8 v_arrayElimCell_7 1))) (let ((.cse29 (div .cse28 ~N~0))) (let ((.cse22 (mod .cse29 4294967296)) (.cse17 (mod (+ .cse29 1) 4294967296)) (.cse27 (= (mod .cse28 ~N~0) 0))) (let ((.cse19 (not .cse27)) (.cse20 (< .cse28 0)) (.cse15 (< 2147483647 .cse17)) (.cse18 (<= .cse17 2147483647)) (.cse24 (or .cse27 (<= 0 .cse28))) (.cse21 (< 2147483647 .cse22)) (.cse23 (<= .cse22 2147483647))) (and (let ((.cse16 (+ |c_ULTIMATE.start_main_~ret2~0#1| 4294967296))) (or (and (or (and .cse15 (= .cse16 .cse17)) (and (= |c_ULTIMATE.start_main_~ret2~0#1| .cse17) .cse18)) .cse19 .cse20) (and (or (and .cse21 (= .cse22 .cse16)) (and (= |c_ULTIMATE.start_main_~ret2~0#1| .cse22) .cse23)) .cse24))) (let ((.cse25 (+ |c_ULTIMATE.start_main_~ret~1#1| 4294967296))) (or (and (or (and (= .cse25 .cse17) .cse15) (and (= |c_ULTIMATE.start_main_~ret~1#1| .cse17) .cse18)) .cse19 .cse20) (and (or (and (= .cse22 .cse25) .cse21) (and .cse23 (= .cse22 |c_ULTIMATE.start_main_~ret~1#1|))) .cse24))) (< 1 ~N~0) (<= ~N~0 2) (let ((.cse26 (+ |c_ULTIMATE.start_main_~ret5~0#1| 4294967296))) (or (and .cse19 .cse20 (or (and .cse15 (= .cse17 .cse26)) (and (= |c_ULTIMATE.start_main_~ret5~0#1| .cse17) .cse18))) (and .cse24 (or (and (= .cse22 .cse26) .cse21) (and (= |c_ULTIMATE.start_main_~ret5~0#1| .cse22) .cse23)))))))))))) is different from false [2021-11-23 01:00:53,671 WARN L860 $PredicateComparison]: unable to prove that (not (and (not (exists ((v_arrayElimCell_18 Int) (~N~0 Int) (v_arrayElimCell_19 Int)) (let ((.cse13 (+ v_arrayElimCell_19 v_arrayElimCell_18 1))) (let ((.cse14 (div .cse13 ~N~0))) (let ((.cse2 (mod (+ .cse14 1) 4294967296)) (.cse7 (mod .cse14 4294967296)) (.cse12 (= (mod .cse13 ~N~0) 0))) (let ((.cse9 (or (<= 0 .cse13) .cse12)) (.cse6 (< 2147483647 .cse7)) (.cse8 (<= .cse7 2147483647)) (.cse4 (< .cse13 0)) (.cse0 (< 2147483647 .cse2)) (.cse3 (<= .cse2 2147483647)) (.cse5 (not .cse12))) (and (let ((.cse1 (+ |c_ULTIMATE.start_main_~ret2~0#1| 4294967296))) (or (and (or (and .cse0 (= .cse1 .cse2)) (and .cse3 (= |c_ULTIMATE.start_main_~ret2~0#1| .cse2))) .cse4 .cse5) (and (or (and .cse6 (= .cse1 .cse7)) (and .cse8 (= |c_ULTIMATE.start_main_~ret2~0#1| .cse7))) .cse9))) (let ((.cse10 (+ |c_ULTIMATE.start_main_~ret~1#1| 4294967296))) (or (and (or (and (= .cse10 .cse2) .cse0) (and (= |c_ULTIMATE.start_main_~ret~1#1| .cse2) .cse3)) .cse4 .cse5) (and (or (and (= |c_ULTIMATE.start_main_~ret~1#1| .cse7) .cse8) (and .cse6 (= .cse10 .cse7))) .cse9))) (<= v_arrayElimCell_19 2147483647) (let ((.cse11 (+ |c_ULTIMATE.start_main_~ret5~0#1| 4294967296))) (or (and .cse9 (or (and .cse6 (= .cse11 .cse7)) (and .cse8 (= |c_ULTIMATE.start_main_~ret5~0#1| .cse7)))) (and .cse4 (or (and .cse0 (= .cse11 .cse2)) (and (= |c_ULTIMATE.start_main_~ret5~0#1| .cse2) .cse3)) .cse5))) (< 1 ~N~0) (<= ~N~0 2) (<= v_arrayElimCell_18 2147483647)))))))) (exists ((v_arrayElimCell_8 Int) (v_arrayElimCell_7 Int) (~N~0 Int)) (let ((.cse28 (+ v_arrayElimCell_8 v_arrayElimCell_7 1))) (let ((.cse29 (div .cse28 ~N~0))) (let ((.cse22 (mod .cse29 4294967296)) (.cse17 (mod (+ .cse29 1) 4294967296)) (.cse27 (= (mod .cse28 ~N~0) 0))) (let ((.cse19 (not .cse27)) (.cse20 (< .cse28 0)) (.cse15 (< 2147483647 .cse17)) (.cse18 (<= .cse17 2147483647)) (.cse24 (or .cse27 (<= 0 .cse28))) (.cse21 (< 2147483647 .cse22)) (.cse23 (<= .cse22 2147483647))) (and (let ((.cse16 (+ |c_ULTIMATE.start_main_~ret2~0#1| 4294967296))) (or (and (or (and .cse15 (= .cse16 .cse17)) (and (= |c_ULTIMATE.start_main_~ret2~0#1| .cse17) .cse18)) .cse19 .cse20) (and (or (and .cse21 (= .cse22 .cse16)) (and (= |c_ULTIMATE.start_main_~ret2~0#1| .cse22) .cse23)) .cse24))) (let ((.cse25 (+ |c_ULTIMATE.start_main_~ret~1#1| 4294967296))) (or (and (or (and (= .cse25 .cse17) .cse15) (and (= |c_ULTIMATE.start_main_~ret~1#1| .cse17) .cse18)) .cse19 .cse20) (and (or (and (= .cse22 .cse25) .cse21) (and .cse23 (= .cse22 |c_ULTIMATE.start_main_~ret~1#1|))) .cse24))) (< 1 ~N~0) (<= ~N~0 2) (let ((.cse26 (+ |c_ULTIMATE.start_main_~ret5~0#1| 4294967296))) (or (and .cse19 .cse20 (or (and .cse15 (= .cse17 .cse26)) (and (= |c_ULTIMATE.start_main_~ret5~0#1| .cse17) .cse18))) (and .cse24 (or (and (= .cse22 .cse26) .cse21) (and (= |c_ULTIMATE.start_main_~ret5~0#1| .cse22) .cse23))))))))))))) is different from true [2021-11-23 01:00:53,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:00:53,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 53 states and 135 transitions. [2021-11-23 01:00:53,675 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 135 transitions. [2021-11-23 01:00:53,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 01:00:53,678 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:00:53,678 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:00:53,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:00:53,788 WARN L261 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 96 conjunts are in the unsatisfiable core [2021-11-23 01:00:53,791 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:00:53,833 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 16 [2021-11-23 01:00:53,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:00:53,858 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 23 [2021-11-23 01:00:57,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:00:57,091 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-23 01:00:57,091 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 294 treesize of output 154 [2021-11-23 01:01:11,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:01:11,056 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-23 01:01:11,057 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 543 treesize of output 288 [2021-11-23 01:01:13,786 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:01:13,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:01:13,803 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-23 01:01:13,804 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 448 treesize of output 300 [2021-11-23 01:01:18,454 INFO L354 Elim1Store]: treesize reduction 53, result has 27.4 percent of original size [2021-11-23 01:01:18,455 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 816 treesize of output 431 [2021-11-23 01:03:57,961 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-23 01:03:58,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:58,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 56 states and 150 transitions. [2021-11-23 01:03:58,079 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 150 transitions. [2021-11-23 01:03:58,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 01:03:58,082 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:58,083 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:58,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:58,788 WARN L261 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 97 conjunts are in the unsatisfiable core [2021-11-23 01:03:58,791 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:58,813 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-11-23 01:04:00,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:04:00,139 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 27 [2021-11-23 01:04:24,857 WARN L227 SmtUtils]: Spent 5.92s on a formula simplification. DAG size of input: 63 DAG size of output: 53 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-23 01:04:24,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:04:24,929 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-23 01:04:24,930 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 298 treesize of output 158 [2021-11-23 01:05:10,857 WARN L227 SmtUtils]: Spent 9.99s on a formula simplification. DAG size of input: 78 DAG size of output: 68 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-23 01:05:26,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:05:26,865 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-23 01:05:26,865 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 547 treesize of output 292 [2021-11-23 01:05:52,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:05:52,019 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:05:52,029 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-23 01:05:52,030 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 402 treesize of output 304