./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/reducercommutativity/sum10-1.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_6192fa40-71cb-4b96-90d6-c278ce999c1f/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6192fa40-71cb-4b96-90d6-c278ce999c1f/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_6192fa40-71cb-4b96-90d6-c278ce999c1f/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6192fa40-71cb-4b96-90d6-c278ce999c1f/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/reducercommutativity/sum10-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6192fa40-71cb-4b96-90d6-c278ce999c1f/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_6192fa40-71cb-4b96-90d6-c278ce999c1f/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 f341d659968a9193c951bd8eec2bcf2a384f8494a1f57cb579da98ce5ebdb030 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 00:28:56,080 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 00:28:56,083 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 00:28:56,123 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 00:28:56,124 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 00:28:56,125 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 00:28:56,127 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 00:28:56,130 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 00:28:56,132 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 00:28:56,134 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 00:28:56,135 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 00:28:56,136 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 00:28:56,137 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 00:28:56,138 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 00:28:56,140 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 00:28:56,142 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 00:28:56,143 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 00:28:56,145 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 00:28:56,147 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 00:28:56,150 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 00:28:56,152 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 00:28:56,154 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 00:28:56,158 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 00:28:56,161 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 00:28:56,169 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 00:28:56,170 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 00:28:56,170 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 00:28:56,171 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 00:28:56,172 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 00:28:56,173 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 00:28:56,173 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 00:28:56,174 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 00:28:56,175 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 00:28:56,176 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 00:28:56,177 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 00:28:56,182 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 00:28:56,183 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 00:28:56,184 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 00:28:56,184 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 00:28:56,188 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 00:28:56,189 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 00:28:56,190 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6192fa40-71cb-4b96-90d6-c278ce999c1f/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 00:28:56,239 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 00:28:56,240 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 00:28:56,241 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 00:28:56,242 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 00:28:56,243 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 00:28:56,243 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 00:28:56,243 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 00:28:56,243 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 00:28:56,250 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 00:28:56,250 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 00:28:56,251 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 00:28:56,251 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 00:28:56,251 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 00:28:56,252 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 00:28:56,252 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 00:28:56,252 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 00:28:56,252 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 00:28:56,253 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 00:28:56,253 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 00:28:56,253 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 00:28:56,253 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 00:28:56,253 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:28:56,254 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 00:28:56,254 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 00:28:56,254 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 00:28:56,254 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 00:28:56,254 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 00:28:56,255 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 00:28:56,255 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_6192fa40-71cb-4b96-90d6-c278ce999c1f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6192fa40-71cb-4b96-90d6-c278ce999c1f/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f341d659968a9193c951bd8eec2bcf2a384f8494a1f57cb579da98ce5ebdb030 [2021-11-23 00:28:56,534 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 00:28:56,567 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 00:28:56,569 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 00:28:56,571 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 00:28:56,572 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 00:28:56,574 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6192fa40-71cb-4b96-90d6-c278ce999c1f/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/reducercommutativity/sum10-1.i [2021-11-23 00:28:56,676 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6192fa40-71cb-4b96-90d6-c278ce999c1f/bin/ukojak-LBtLqBUTdQ/data/0af3e1081/2b632168ae314d168ea9a8caa5a5b860/FLAG91aac642b [2021-11-23 00:28:57,127 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 00:28:57,133 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6192fa40-71cb-4b96-90d6-c278ce999c1f/sv-benchmarks/c/reducercommutativity/sum10-1.i [2021-11-23 00:28:57,140 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6192fa40-71cb-4b96-90d6-c278ce999c1f/bin/ukojak-LBtLqBUTdQ/data/0af3e1081/2b632168ae314d168ea9a8caa5a5b860/FLAG91aac642b [2021-11-23 00:28:57,478 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6192fa40-71cb-4b96-90d6-c278ce999c1f/bin/ukojak-LBtLqBUTdQ/data/0af3e1081/2b632168ae314d168ea9a8caa5a5b860 [2021-11-23 00:28:57,481 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 00:28:57,482 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 00:28:57,484 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 00:28:57,484 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 00:28:57,488 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 00:28:57,488 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:28:57" (1/1) ... [2021-11-23 00:28:57,490 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46397e7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:28:57, skipping insertion in model container [2021-11-23 00:28:57,490 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:28:57" (1/1) ... [2021-11-23 00:28:57,498 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 00:28:57,514 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 00:28:57,746 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_6192fa40-71cb-4b96-90d6-c278ce999c1f/sv-benchmarks/c/reducercommutativity/sum10-1.i[1277,1290] [2021-11-23 00:28:57,750 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:28:57,771 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 00:28:57,813 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_6192fa40-71cb-4b96-90d6-c278ce999c1f/sv-benchmarks/c/reducercommutativity/sum10-1.i[1277,1290] [2021-11-23 00:28:57,818 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:28:57,834 INFO L208 MainTranslator]: Completed translation [2021-11-23 00:28:57,835 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:28:57 WrapperNode [2021-11-23 00:28:57,835 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 00:28:57,836 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 00:28:57,837 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 00:28:57,837 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 00:28:57,845 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:28:57" (1/1) ... [2021-11-23 00:28:57,852 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:28:57" (1/1) ... [2021-11-23 00:28:57,872 INFO L137 Inliner]: procedures = 16, calls = 22, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 67 [2021-11-23 00:28:57,873 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 00:28:57,874 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 00:28:57,874 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 00:28:57,874 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 00:28:57,883 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:28:57" (1/1) ... [2021-11-23 00:28:57,883 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:28:57" (1/1) ... [2021-11-23 00:28:57,898 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:28:57" (1/1) ... [2021-11-23 00:28:57,899 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:28:57" (1/1) ... [2021-11-23 00:28:57,913 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:28:57" (1/1) ... [2021-11-23 00:28:57,922 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:28:57" (1/1) ... [2021-11-23 00:28:57,925 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:28:57" (1/1) ... [2021-11-23 00:28:57,931 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 00:28:57,932 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 00:28:57,934 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 00:28:57,935 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 00:28:57,936 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:28:57" (1/1) ... [2021-11-23 00:28:57,944 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:28:57,957 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6192fa40-71cb-4b96-90d6-c278ce999c1f/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 00:28:57,975 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6192fa40-71cb-4b96-90d6-c278ce999c1f/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 00:28:57,993 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6192fa40-71cb-4b96-90d6-c278ce999c1f/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 00:28:58,021 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 00:28:58,022 INFO L130 BoogieDeclarations]: Found specification of procedure sum [2021-11-23 00:28:58,022 INFO L138 BoogieDeclarations]: Found implementation of procedure sum [2021-11-23 00:28:58,023 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 00:28:58,023 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 00:28:58,023 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 00:28:58,023 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 00:28:58,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 00:28:58,024 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 00:28:58,024 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 00:28:58,091 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 00:28:58,092 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 00:28:58,240 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 00:28:58,272 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 00:28:58,272 INFO L301 CfgBuilder]: Removed 3 assume(true) statements. [2021-11-23 00:28:58,274 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:28:58 BoogieIcfgContainer [2021-11-23 00:28:58,274 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 00:28:58,275 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 00:28:58,276 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 00:28:58,292 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 00:28:58,292 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:28:58" (1/1) ... [2021-11-23 00:28:58,314 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 00:28:58,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:58,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 17 states and 22 transitions. [2021-11-23 00:28:58,386 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 22 transitions. [2021-11-23 00:28:58,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 00:28:58,392 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:58,393 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:58,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:58,568 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 00:28:58,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:58,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 18 states and 23 transitions. [2021-11-23 00:28:58,622 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 23 transitions. [2021-11-23 00:28:58,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 00:28:58,623 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:58,623 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:58,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:58,725 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 00:28:58,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:58,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 19 states and 25 transitions. [2021-11-23 00:28:58,811 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 25 transitions. [2021-11-23 00:28:58,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 00:28:58,812 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:58,812 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:58,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:58,907 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-23 00:28:58,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:58,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 20 states and 27 transitions. [2021-11-23 00:28:58,932 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 27 transitions. [2021-11-23 00:28:58,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 00:28:58,933 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:58,934 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:59,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:59,092 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-11-23 00:28:59,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:59,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 21 states and 29 transitions. [2021-11-23 00:28:59,170 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 29 transitions. [2021-11-23 00:28:59,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 00:28:59,171 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:59,172 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:59,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:59,274 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2021-11-23 00:28:59,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:59,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 22 states and 31 transitions. [2021-11-23 00:28:59,301 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 31 transitions. [2021-11-23 00:28:59,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 00:28:59,302 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:59,303 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:59,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:59,371 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2021-11-23 00:28:59,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:59,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 23 states and 33 transitions. [2021-11-23 00:28:59,424 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 33 transitions. [2021-11-23 00:28:59,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 00:28:59,425 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:59,425 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:59,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:59,492 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2021-11-23 00:28:59,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:59,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 24 states and 34 transitions. [2021-11-23 00:28:59,544 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 34 transitions. [2021-11-23 00:28:59,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 00:28:59,545 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:59,545 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:59,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:59,635 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2021-11-23 00:28:59,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:59,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 25 states and 35 transitions. [2021-11-23 00:28:59,716 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 35 transitions. [2021-11-23 00:28:59,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 00:28:59,720 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:59,721 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:59,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:59,818 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2021-11-23 00:28:59,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:59,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 26 states and 36 transitions. [2021-11-23 00:28:59,910 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 36 transitions. [2021-11-23 00:28:59,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-23 00:28:59,916 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:59,916 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:59,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:29:00,010 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2021-11-23 00:29:00,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:29:00,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 27 states and 37 transitions. [2021-11-23 00:29:00,086 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 37 transitions. [2021-11-23 00:29:00,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 00:29:00,087 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:29:00,088 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:29:00,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:29:00,185 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2021-11-23 00:29:00,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:29:00,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 28 states and 38 transitions. [2021-11-23 00:29:00,265 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 38 transitions. [2021-11-23 00:29:00,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-23 00:29:00,265 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:29:00,265 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:29:00,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:29:00,334 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2021-11-23 00:29:00,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:29:00,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 29 states and 39 transitions. [2021-11-23 00:29:00,421 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 39 transitions. [2021-11-23 00:29:00,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-23 00:29:00,426 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:29:00,426 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:29:00,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:29:00,533 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2021-11-23 00:29:00,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:29:00,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 30 states and 40 transitions. [2021-11-23 00:29:00,622 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 40 transitions. [2021-11-23 00:29:00,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-23 00:29:00,623 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:29:00,631 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:29:00,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:29:00,730 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2021-11-23 00:29:00,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:29:00,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 31 states and 40 transitions. [2021-11-23 00:29:00,826 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 40 transitions. [2021-11-23 00:29:00,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-23 00:29:00,826 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:29:00,827 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:29:00,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:29:00,906 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2021-11-23 00:29:00,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:29:00,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 32 states and 41 transitions. [2021-11-23 00:29:00,994 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 41 transitions. [2021-11-23 00:29:00,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-23 00:29:00,995 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:29:00,996 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:29:01,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:29:01,088 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2021-11-23 00:29:01,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:29:01,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 33 states and 42 transitions. [2021-11-23 00:29:01,188 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 42 transitions. [2021-11-23 00:29:01,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-23 00:29:01,188 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:29:01,189 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:29:01,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:29:01,255 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 0 proven. 62 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2021-11-23 00:29:01,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:29:01,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 34 states and 43 transitions. [2021-11-23 00:29:01,365 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 43 transitions. [2021-11-23 00:29:01,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-23 00:29:01,366 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:29:01,366 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:29:01,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:29:01,438 INFO L134 CoverageAnalysis]: Checked inductivity of 217 backedges. 0 proven. 89 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2021-11-23 00:29:01,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:29:01,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 35 states and 44 transitions. [2021-11-23 00:29:01,532 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 44 transitions. [2021-11-23 00:29:01,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-23 00:29:01,534 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:29:01,535 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:29:01,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:29:01,633 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 0 proven. 121 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2021-11-23 00:29:01,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:29:01,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 36 states and 45 transitions. [2021-11-23 00:29:01,746 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 45 transitions. [2021-11-23 00:29:01,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-23 00:29:01,747 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:29:01,749 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:29:01,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:29:01,836 INFO L134 CoverageAnalysis]: Checked inductivity of 340 backedges. 0 proven. 158 refuted. 0 times theorem prover too weak. 182 trivial. 0 not checked. [2021-11-23 00:29:01,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:29:01,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 37 states and 46 transitions. [2021-11-23 00:29:01,940 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 46 transitions. [2021-11-23 00:29:01,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-11-23 00:29:01,941 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:29:01,942 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:29:01,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:29:02,025 INFO L134 CoverageAnalysis]: Checked inductivity of 415 backedges. 0 proven. 200 refuted. 0 times theorem prover too weak. 215 trivial. 0 not checked. [2021-11-23 00:29:02,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:29:02,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 38 states and 47 transitions. [2021-11-23 00:29:02,136 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 47 transitions. [2021-11-23 00:29:02,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-11-23 00:29:02,138 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:29:02,138 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:29:02,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:29:02,223 INFO L134 CoverageAnalysis]: Checked inductivity of 499 backedges. 0 proven. 247 refuted. 0 times theorem prover too weak. 252 trivial. 0 not checked. [2021-11-23 00:29:02,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:29:02,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 39 states and 47 transitions. [2021-11-23 00:29:02,340 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 47 transitions. [2021-11-23 00:29:02,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-11-23 00:29:02,340 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:29:02,341 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:29:02,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:29:02,420 INFO L134 CoverageAnalysis]: Checked inductivity of 592 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 589 trivial. 0 not checked. [2021-11-23 00:29:02,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:29:02,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 40 states and 48 transitions. [2021-11-23 00:29:02,533 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 48 transitions. [2021-11-23 00:29:02,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-23 00:29:02,534 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:29:02,534 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:29:02,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:29:02,632 INFO L134 CoverageAnalysis]: Checked inductivity of 595 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 589 trivial. 0 not checked. [2021-11-23 00:29:02,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:29:02,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 41 states and 49 transitions. [2021-11-23 00:29:02,755 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 49 transitions. [2021-11-23 00:29:02,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-23 00:29:02,755 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:29:02,756 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:29:02,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:29:02,844 INFO L134 CoverageAnalysis]: Checked inductivity of 599 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 589 trivial. 0 not checked. [2021-11-23 00:29:02,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:29:02,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 42 states and 50 transitions. [2021-11-23 00:29:02,971 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 50 transitions. [2021-11-23 00:29:02,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-23 00:29:02,972 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:29:02,972 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:29:02,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:29:03,061 INFO L134 CoverageAnalysis]: Checked inductivity of 604 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 589 trivial. 0 not checked. [2021-11-23 00:29:03,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:29:03,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 43 states and 51 transitions. [2021-11-23 00:29:03,183 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 51 transitions. [2021-11-23 00:29:03,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-23 00:29:03,184 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:29:03,184 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:29:03,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:29:03,282 INFO L134 CoverageAnalysis]: Checked inductivity of 610 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 589 trivial. 0 not checked. [2021-11-23 00:29:03,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:29:03,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 44 states and 52 transitions. [2021-11-23 00:29:03,409 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 52 transitions. [2021-11-23 00:29:03,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-23 00:29:03,410 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:29:03,410 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:29:03,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:29:03,530 INFO L134 CoverageAnalysis]: Checked inductivity of 617 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 589 trivial. 0 not checked. [2021-11-23 00:29:03,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:29:03,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 45 states and 53 transitions. [2021-11-23 00:29:03,662 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 53 transitions. [2021-11-23 00:29:03,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-23 00:29:03,662 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:29:03,662 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:29:03,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:29:03,757 INFO L134 CoverageAnalysis]: Checked inductivity of 625 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 589 trivial. 0 not checked. [2021-11-23 00:29:03,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:29:03,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 46 states and 53 transitions. [2021-11-23 00:29:03,904 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 53 transitions. [2021-11-23 00:29:03,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-11-23 00:29:03,905 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:29:03,905 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:29:04,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:29:18,712 INFO L134 CoverageAnalysis]: Checked inductivity of 634 backedges. 0 proven. 617 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2021-11-23 00:29:54,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:29:54,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 74 states and 96 transitions. [2021-11-23 00:29:54,120 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 96 transitions. [2021-11-23 00:29:54,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-11-23 00:29:54,121 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:29:54,121 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:29:54,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:29:54,680 INFO L134 CoverageAnalysis]: Checked inductivity of 667 backedges. 56 proven. 276 refuted. 0 times theorem prover too weak. 335 trivial. 0 not checked. [2021-11-23 00:29:56,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:29:56,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 44 states and 45 transitions. [2021-11-23 00:29:56,023 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 45 transitions. [2021-11-23 00:29:56,023 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-23 00:29:56,023 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 32 iterations. [2021-11-23 00:29:56,031 INFO L754 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2021-11-23 00:29:56,753 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:29:56,757 INFO L560 CodeCheckObserver]: Invariant with dag size 162 [2021-11-23 00:29:56,797 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:29:56,797 INFO L560 CodeCheckObserver]: Invariant with dag size 10 [2021-11-23 00:29:56,798 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 12:29:56 ImpRootNode [2021-11-23 00:29:56,799 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-11-23 00:29:56,799 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-23 00:29:56,799 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-23 00:29:56,800 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-23 00:29:56,800 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:28:58" (3/4) ... [2021-11-23 00:29:56,803 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-23 00:29:56,808 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure sum [2021-11-23 00:29:56,813 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2021-11-23 00:29:56,813 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2021-11-23 00:29:56,814 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2021-11-23 00:29:56,814 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-23 00:29:56,873 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6192fa40-71cb-4b96-90d6-c278ce999c1f/bin/ukojak-LBtLqBUTdQ/witness.graphml [2021-11-23 00:29:56,873 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-23 00:29:56,874 INFO L158 Benchmark]: Toolchain (without parser) took 59391.34ms. Allocated memory was 81.8MB in the beginning and 318.8MB in the end (delta: 237.0MB). Free memory was 46.4MB in the beginning and 247.9MB in the end (delta: -201.5MB). Peak memory consumption was 34.1MB. Max. memory is 16.1GB. [2021-11-23 00:29:56,874 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 81.8MB. Free memory was 52.5MB in the beginning and 52.5MB in the end (delta: 25.4kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 00:29:56,875 INFO L158 Benchmark]: CACSL2BoogieTranslator took 351.51ms. Allocated memory was 81.8MB in the beginning and 127.9MB in the end (delta: 46.1MB). Free memory was 46.2MB in the beginning and 102.4MB in the end (delta: -56.3MB). Peak memory consumption was 7.5MB. Max. memory is 16.1GB. [2021-11-23 00:29:56,875 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.81ms. Allocated memory is still 127.9MB. Free memory was 102.4MB in the beginning and 100.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 00:29:56,876 INFO L158 Benchmark]: Boogie Preprocessor took 57.62ms. Allocated memory is still 127.9MB. Free memory was 100.8MB in the beginning and 99.8MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 00:29:56,876 INFO L158 Benchmark]: RCFGBuilder took 342.55ms. Allocated memory is still 127.9MB. Free memory was 99.8MB in the beginning and 87.8MB in the end (delta: 12.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 00:29:56,877 INFO L158 Benchmark]: CodeCheck took 58523.34ms. Allocated memory was 127.9MB in the beginning and 318.8MB in the end (delta: 190.8MB). Free memory was 87.8MB in the beginning and 252.1MB in the end (delta: -164.3MB). Peak memory consumption was 196.4MB. Max. memory is 16.1GB. [2021-11-23 00:29:56,877 INFO L158 Benchmark]: Witness Printer took 73.89ms. Allocated memory is still 318.8MB. Free memory was 252.1MB in the beginning and 247.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 00:29:56,880 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 2 procedures, 17 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 57.7s, OverallIterations: 32, 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, 1280 SdHoareTripleChecker+Valid, 7.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4 mSDsluCounter, 419 SdHoareTripleChecker+Invalid, 6.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 2100 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2716 IncrementalHoareTripleChecker+Invalid, 4816 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2100 mSolverCounterUnsat, 419 mSDtfsCounter, 2716 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 7004 GetRequests, 6557 SyntacticMatches, 121 SemanticMatches, 326 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43281 ImplicationChecksByTransitivity, 48.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.2s SsaConstructionTime, 1.6s SatisfiabilityAnalysisTime, 16.2s InterpolantComputationTime, 1395 NumberOfCodeBlocks, 1395 NumberOfCodeBlocksAsserted, 31 NumberOfCheckSat, 1364 ConstructedInterpolants, 0 QuantifiedInterpolants, 24757 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 31 InterpolantComputations, 2 PerfectInterpolantSequences, 6224/8357 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: 50]: 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: 49]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: ((((((((((((((x + 12 <= x + 4 * i && i <= 3) && 2 < i) && x == x) && ((1 <= x || x + 1 <= 0) || (unknown-#memory_int-unknown[x][x + 4] + unknown-#memory_int-unknown[x][0] + unknown-#memory_int-unknown[x][x + 8] <= ret && ret <= unknown-#memory_int-unknown[x][x + 4] + unknown-#memory_int-unknown[x][0] + unknown-#memory_int-unknown[x][x + 8]))) && x + 4 * i <= x + 12) || (((((x + 4 <= x + 4 * i && ((1 <= x || x + 1 <= 0) || (unknown-#memory_int-unknown[x][0] <= ret && ret <= unknown-#memory_int-unknown[x][0]))) && i <= 1) && x == x) && 1 <= i) && x + 4 * i <= x + 4)) || (((((3 < i && x + 4 * i <= 16 + x) && x == x) && ((1 <= x || x + 1 <= 0) || (unknown-#memory_int-unknown[x][x + 4] + unknown-#memory_int-unknown[x][0] + unknown-#memory_int-unknown[x][x + 8] + unknown-#memory_int-unknown[x][x + 12] <= ret && ret <= unknown-#memory_int-unknown[x][x + 4] + unknown-#memory_int-unknown[x][0] + unknown-#memory_int-unknown[x][x + 8] + unknown-#memory_int-unknown[x][x + 12]))) && 16 + x <= x + 4 * i) && i <= 4)) || (((((1 < i && i <= 2) && x + 8 <= x + 4 * i) && x == x) && ((1 <= x || x + 1 <= 0) || (ret <= unknown-#memory_int-unknown[x][x + 4] + unknown-#memory_int-unknown[x][0] && unknown-#memory_int-unknown[x][x + 4] + unknown-#memory_int-unknown[x][0] <= ret))) && x + 4 * i <= x + 8)) || (((((1 <= x || x + 1 <= 0) || (((x + 4 * i <= x + 36 && ret <= unknown-#memory_int-unknown[x][x + 4] + unknown-#memory_int-unknown[x][16 + x] + unknown-#memory_int-unknown[x][x + 20] + unknown-#memory_int-unknown[x][x + 28] + unknown-#memory_int-unknown[x][0] + unknown-#memory_int-unknown[x][x + 8] + unknown-#memory_int-unknown[x][32 + x] + unknown-#memory_int-unknown[x][x + 24] + unknown-#memory_int-unknown[x][x + 12]) && unknown-#memory_int-unknown[x][x + 4] + unknown-#memory_int-unknown[x][16 + x] + unknown-#memory_int-unknown[x][x + 20] + unknown-#memory_int-unknown[x][x + 28] + unknown-#memory_int-unknown[x][0] + unknown-#memory_int-unknown[x][x + 8] + unknown-#memory_int-unknown[x][32 + x] + unknown-#memory_int-unknown[x][x + 24] + unknown-#memory_int-unknown[x][x + 12] <= ret) && x + 36 <= x + 4 * i)) && 8 < i) && x == x) && i <= 9)) || (((((1 <= x || x + 1 <= 0) || (((ret <= unknown-#memory_int-unknown[x][x + 4] + unknown-#memory_int-unknown[x][16 + x] + unknown-#memory_int-unknown[x][x + 20] + unknown-#memory_int-unknown[x][0] + unknown-#memory_int-unknown[x][x + 8] + unknown-#memory_int-unknown[x][x + 24] + unknown-#memory_int-unknown[x][x + 12] && x + 4 * i <= x + 28) && x + 28 <= x + 4 * i) && unknown-#memory_int-unknown[x][x + 4] + unknown-#memory_int-unknown[x][16 + x] + unknown-#memory_int-unknown[x][x + 20] + unknown-#memory_int-unknown[x][0] + unknown-#memory_int-unknown[x][x + 8] + unknown-#memory_int-unknown[x][x + 24] + unknown-#memory_int-unknown[x][x + 12] <= ret)) && x == x) && 6 < i) && i <= 7)) || ((((x <= x && ret == 0) && i == 0) && x <= x) && x == x)) || (((((5 < i && x + 4 * i <= x + 24) && ((1 <= x || (ret <= unknown-#memory_int-unknown[x][x + 4] + unknown-#memory_int-unknown[x][16 + x] + unknown-#memory_int-unknown[x][x + 20] + unknown-#memory_int-unknown[x][0] + unknown-#memory_int-unknown[x][x + 8] + unknown-#memory_int-unknown[x][x + 12] && unknown-#memory_int-unknown[x][x + 4] + unknown-#memory_int-unknown[x][16 + x] + unknown-#memory_int-unknown[x][x + 20] + unknown-#memory_int-unknown[x][0] + unknown-#memory_int-unknown[x][x + 8] + unknown-#memory_int-unknown[x][x + 12] <= ret)) || x + 1 <= 0)) && i <= 6) && x == x) && x + 24 <= x + 4 * i)) || (((7 < i && ((1 <= x || x + 1 <= 0) || (((ret <= unknown-#memory_int-unknown[x][x + 4] + unknown-#memory_int-unknown[x][16 + x] + unknown-#memory_int-unknown[x][x + 20] + unknown-#memory_int-unknown[x][x + 28] + unknown-#memory_int-unknown[x][0] + unknown-#memory_int-unknown[x][x + 8] + unknown-#memory_int-unknown[x][x + 24] + unknown-#memory_int-unknown[x][x + 12] && 32 + x <= x + 4 * i) && x + 4 * i <= 32 + x) && unknown-#memory_int-unknown[x][x + 4] + unknown-#memory_int-unknown[x][16 + x] + unknown-#memory_int-unknown[x][x + 20] + unknown-#memory_int-unknown[x][x + 28] + unknown-#memory_int-unknown[x][0] + unknown-#memory_int-unknown[x][x + 8] + unknown-#memory_int-unknown[x][x + 24] + unknown-#memory_int-unknown[x][x + 12] <= ret))) && i <= 8) && x == x)) || (((((4 < i && ((1 <= x || x + 1 <= 0) || (unknown-#memory_int-unknown[x][x + 4] + unknown-#memory_int-unknown[x][16 + x] + unknown-#memory_int-unknown[x][0] + unknown-#memory_int-unknown[x][x + 8] + unknown-#memory_int-unknown[x][x + 12] <= ret && ret <= unknown-#memory_int-unknown[x][x + 4] + unknown-#memory_int-unknown[x][16 + x] + unknown-#memory_int-unknown[x][0] + unknown-#memory_int-unknown[x][x + 8] + unknown-#memory_int-unknown[x][x + 12]))) && i <= 5) && x + 20 <= x + 4 * i) && x == x) && x + 4 * i <= x + 20)) || (((1 <= x || x + 1 <= 0) || (ret <= unknown-#memory_int-unknown[x][0] + unknown-#memory_int-unknown[x][32 + x] + unknown-#memory_int-unknown[x][x + 12] + unknown-#memory_int-unknown[x][16 + x] + unknown-#memory_int-unknown[x][x + 4] + unknown-#memory_int-unknown[x][x + 8] + unknown-#memory_int-unknown[x][x + 24] + unknown-#memory_int-unknown[x][x + 20] + unknown-#memory_int-unknown[x][x + 28] + unknown-#memory_int-unknown[x][x + 36] && unknown-#memory_int-unknown[x][0] + unknown-#memory_int-unknown[x][32 + x] + unknown-#memory_int-unknown[x][x + 12] + unknown-#memory_int-unknown[x][16 + x] + unknown-#memory_int-unknown[x][x + 4] + unknown-#memory_int-unknown[x][x + 8] + unknown-#memory_int-unknown[x][x + 24] + unknown-#memory_int-unknown[x][x + 20] + unknown-#memory_int-unknown[x][x + 28] + unknown-#memory_int-unknown[x][x + 36] <= ret)) && 9 < i) - InvariantResult [Line: 43]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 34]: Loop Invariant Derived loop invariant: (x == 0 && 1 <= i) || (i == 0 && x == 0) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 81.8MB. Free memory was 52.5MB in the beginning and 52.5MB in the end (delta: 25.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 351.51ms. Allocated memory was 81.8MB in the beginning and 127.9MB in the end (delta: 46.1MB). Free memory was 46.2MB in the beginning and 102.4MB in the end (delta: -56.3MB). Peak memory consumption was 7.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.81ms. Allocated memory is still 127.9MB. Free memory was 102.4MB in the beginning and 100.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 57.62ms. Allocated memory is still 127.9MB. Free memory was 100.8MB in the beginning and 99.8MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 342.55ms. Allocated memory is still 127.9MB. Free memory was 99.8MB in the beginning and 87.8MB in the end (delta: 12.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 58523.34ms. Allocated memory was 127.9MB in the beginning and 318.8MB in the end (delta: 190.8MB). Free memory was 87.8MB in the beginning and 252.1MB in the end (delta: -164.3MB). Peak memory consumption was 196.4MB. Max. memory is 16.1GB. * Witness Printer took 73.89ms. Allocated memory is still 318.8MB. Free memory was 252.1MB in the beginning and 247.9MB 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 00:29:56,933 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6192fa40-71cb-4b96-90d6-c278ce999c1f/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