./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-crafted/simple_array_index_value_4.i.v+lhb-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 7b2dab56 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_754f06dd-f340-49b8-9fc8-a0e452fc4c78/bin/uautomizer-Z5i5R5N3CC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_754f06dd-f340-49b8-9fc8-a0e452fc4c78/bin/uautomizer-Z5i5R5N3CC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_754f06dd-f340-49b8-9fc8-a0e452fc4c78/bin/uautomizer-Z5i5R5N3CC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_754f06dd-f340-49b8-9fc8-a0e452fc4c78/bin/uautomizer-Z5i5R5N3CC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/loop-crafted/simple_array_index_value_4.i.v+lhb-reducer.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_754f06dd-f340-49b8-9fc8-a0e452fc4c78/bin/uautomizer-Z5i5R5N3CC/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_754f06dd-f340-49b8-9fc8-a0e452fc4c78/bin/uautomizer-Z5i5R5N3CC --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b909ccf6f1c4cf06610031e778229605609d3376 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-7b2dab5 [2021-10-11 00:24:23,186 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 00:24:23,188 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 00:24:23,223 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 00:24:23,223 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 00:24:23,225 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 00:24:23,226 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 00:24:23,229 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 00:24:23,231 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 00:24:23,232 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 00:24:23,233 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 00:24:23,235 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 00:24:23,235 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 00:24:23,237 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 00:24:23,238 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 00:24:23,240 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 00:24:23,241 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 00:24:23,242 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 00:24:23,245 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 00:24:23,247 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 00:24:23,249 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 00:24:23,251 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 00:24:23,253 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 00:24:23,254 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 00:24:23,258 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 00:24:23,258 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 00:24:23,259 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 00:24:23,260 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 00:24:23,261 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 00:24:23,262 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 00:24:23,263 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 00:24:23,264 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 00:24:23,265 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 00:24:23,266 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 00:24:23,268 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 00:24:23,268 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 00:24:23,269 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 00:24:23,270 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 00:24:23,270 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 00:24:23,272 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 00:24:23,273 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 00:24:23,274 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_754f06dd-f340-49b8-9fc8-a0e452fc4c78/bin/uautomizer-Z5i5R5N3CC/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-11 00:24:23,299 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 00:24:23,300 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 00:24:23,301 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-11 00:24:23,301 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-11 00:24:23,301 INFO L138 SettingsManager]: * Use SBE=true [2021-10-11 00:24:23,302 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 00:24:23,302 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 00:24:23,302 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 00:24:23,302 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 00:24:23,303 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 00:24:23,303 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 00:24:23,303 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 00:24:23,303 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 00:24:23,304 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 00:24:23,304 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 00:24:23,304 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 00:24:23,304 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 00:24:23,305 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 00:24:23,305 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 00:24:23,305 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 00:24:23,305 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 00:24:23,306 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 00:24:23,306 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 00:24:23,306 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 00:24:23,306 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-11 00:24:23,307 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 00:24:23,307 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 00:24:23,307 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 00:24:23,307 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_754f06dd-f340-49b8-9fc8-a0e452fc4c78/bin/uautomizer-Z5i5R5N3CC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_754f06dd-f340-49b8-9fc8-a0e452fc4c78/bin/uautomizer-Z5i5R5N3CC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b909ccf6f1c4cf06610031e778229605609d3376 [2021-10-11 00:24:23,539 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 00:24:23,570 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 00:24:23,573 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 00:24:23,576 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 00:24:23,577 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 00:24:23,579 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_754f06dd-f340-49b8-9fc8-a0e452fc4c78/bin/uautomizer-Z5i5R5N3CC/../../sv-benchmarks/c/loop-crafted/simple_array_index_value_4.i.v+lhb-reducer.c [2021-10-11 00:24:23,673 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_754f06dd-f340-49b8-9fc8-a0e452fc4c78/bin/uautomizer-Z5i5R5N3CC/data/2bd8a93c6/de4f50c6d9fc4f9992d30cdb9f81ad4b/FLAGcc19eef80 [2021-10-11 00:24:24,283 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 00:24:24,287 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_754f06dd-f340-49b8-9fc8-a0e452fc4c78/sv-benchmarks/c/loop-crafted/simple_array_index_value_4.i.v+lhb-reducer.c [2021-10-11 00:24:24,296 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_754f06dd-f340-49b8-9fc8-a0e452fc4c78/bin/uautomizer-Z5i5R5N3CC/data/2bd8a93c6/de4f50c6d9fc4f9992d30cdb9f81ad4b/FLAGcc19eef80 [2021-10-11 00:24:24,655 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_754f06dd-f340-49b8-9fc8-a0e452fc4c78/bin/uautomizer-Z5i5R5N3CC/data/2bd8a93c6/de4f50c6d9fc4f9992d30cdb9f81ad4b [2021-10-11 00:24:24,658 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 00:24:24,659 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 00:24:24,661 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 00:24:24,661 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 00:24:24,664 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 00:24:24,665 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:24:24" (1/1) ... [2021-10-11 00:24:24,667 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2cdc2943 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:24:24, skipping insertion in model container [2021-10-11 00:24:24,668 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:24:24" (1/1) ... [2021-10-11 00:24:24,684 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 00:24:24,719 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 00:24:24,937 WARN L226 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_754f06dd-f340-49b8-9fc8-a0e452fc4c78/sv-benchmarks/c/loop-crafted/simple_array_index_value_4.i.v+lhb-reducer.c[1126,1139] [2021-10-11 00:24:24,968 WARN L226 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_754f06dd-f340-49b8-9fc8-a0e452fc4c78/sv-benchmarks/c/loop-crafted/simple_array_index_value_4.i.v+lhb-reducer.c[1880,1893] [2021-10-11 00:24:24,972 WARN L226 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_754f06dd-f340-49b8-9fc8-a0e452fc4c78/sv-benchmarks/c/loop-crafted/simple_array_index_value_4.i.v+lhb-reducer.c[2401,2414] [2021-10-11 00:24:24,980 WARN L226 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_754f06dd-f340-49b8-9fc8-a0e452fc4c78/sv-benchmarks/c/loop-crafted/simple_array_index_value_4.i.v+lhb-reducer.c[3193,3206] [2021-10-11 00:24:24,989 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:24:24,999 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 00:24:25,027 WARN L226 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_754f06dd-f340-49b8-9fc8-a0e452fc4c78/sv-benchmarks/c/loop-crafted/simple_array_index_value_4.i.v+lhb-reducer.c[1126,1139] [2021-10-11 00:24:25,049 WARN L226 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_754f06dd-f340-49b8-9fc8-a0e452fc4c78/sv-benchmarks/c/loop-crafted/simple_array_index_value_4.i.v+lhb-reducer.c[1880,1893] [2021-10-11 00:24:25,052 WARN L226 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_754f06dd-f340-49b8-9fc8-a0e452fc4c78/sv-benchmarks/c/loop-crafted/simple_array_index_value_4.i.v+lhb-reducer.c[2401,2414] [2021-10-11 00:24:25,057 WARN L226 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_754f06dd-f340-49b8-9fc8-a0e452fc4c78/sv-benchmarks/c/loop-crafted/simple_array_index_value_4.i.v+lhb-reducer.c[3193,3206] [2021-10-11 00:24:25,067 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:24:25,083 INFO L208 MainTranslator]: Completed translation [2021-10-11 00:24:25,084 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:24:25 WrapperNode [2021-10-11 00:24:25,084 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 00:24:25,086 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 00:24:25,087 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 00:24:25,087 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 00:24:25,096 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:24:25" (1/1) ... [2021-10-11 00:24:25,114 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:24:25" (1/1) ... [2021-10-11 00:24:25,150 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 00:24:25,151 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 00:24:25,152 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 00:24:25,152 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 00:24:25,160 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:24:25" (1/1) ... [2021-10-11 00:24:25,160 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:24:25" (1/1) ... [2021-10-11 00:24:25,173 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:24:25" (1/1) ... [2021-10-11 00:24:25,178 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:24:25" (1/1) ... [2021-10-11 00:24:25,184 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:24:25" (1/1) ... [2021-10-11 00:24:25,196 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:24:25" (1/1) ... [2021-10-11 00:24:25,198 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:24:25" (1/1) ... [2021-10-11 00:24:25,206 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 00:24:25,207 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 00:24:25,207 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 00:24:25,207 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 00:24:25,212 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:24:25" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_754f06dd-f340-49b8-9fc8-a0e452fc4c78/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 00:24:25,307 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-11 00:24:25,308 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 00:24:25,310 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 00:24:25,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 00:24:25,311 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-11 00:24:25,311 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-11 00:24:25,807 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 00:24:25,808 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-10-11 00:24:25,809 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:24:25 BoogieIcfgContainer [2021-10-11 00:24:25,810 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 00:24:25,811 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 00:24:25,812 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 00:24:25,815 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 00:24:25,815 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 12:24:24" (1/3) ... [2021-10-11 00:24:25,816 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2427f021 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:24:25, skipping insertion in model container [2021-10-11 00:24:25,816 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:24:25" (2/3) ... [2021-10-11 00:24:25,817 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2427f021 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:24:25, skipping insertion in model container [2021-10-11 00:24:25,817 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:24:25" (3/3) ... [2021-10-11 00:24:25,818 INFO L111 eAbstractionObserver]: Analyzing ICFG simple_array_index_value_4.i.v+lhb-reducer.c [2021-10-11 00:24:25,840 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 00:24:25,844 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 4 error locations. [2021-10-11 00:24:25,858 INFO L253 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-10-11 00:24:25,897 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 00:24:25,900 INFO L378 AbstractCegarLoop]: Hoare is true [2021-10-11 00:24:25,900 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 00:24:25,900 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 00:24:25,900 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 00:24:25,900 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 00:24:25,901 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 00:24:25,901 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 00:24:25,920 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states. [2021-10-11 00:24:25,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-10-11 00:24:25,929 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:24:25,930 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:24:25,930 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:24:25,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:24:25,936 INFO L82 PathProgramCache]: Analyzing trace with hash -549247241, now seen corresponding path program 1 times [2021-10-11 00:24:25,945 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:24:25,945 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [926893567] [2021-10-11 00:24:25,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:24:26,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:24:26,222 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:24:26,222 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [926893567] [2021-10-11 00:24:26,225 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:24:26,225 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 00:24:26,226 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [447293248] [2021-10-11 00:24:26,230 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:24:26,231 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:24:26,248 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:24:26,249 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:24:26,251 INFO L87 Difference]: Start difference. First operand 37 states. Second operand 3 states. [2021-10-11 00:24:26,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:24:26,303 INFO L93 Difference]: Finished difference Result 51 states and 68 transitions. [2021-10-11 00:24:26,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:24:26,304 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2021-10-11 00:24:26,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:24:26,325 INFO L225 Difference]: With dead ends: 51 [2021-10-11 00:24:26,329 INFO L226 Difference]: Without dead ends: 30 [2021-10-11 00:24:26,332 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:24:26,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2021-10-11 00:24:26,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 28. [2021-10-11 00:24:26,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2021-10-11 00:24:26,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 33 transitions. [2021-10-11 00:24:26,368 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 33 transitions. Word has length 9 [2021-10-11 00:24:26,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:24:26,369 INFO L481 AbstractCegarLoop]: Abstraction has 28 states and 33 transitions. [2021-10-11 00:24:26,369 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:24:26,369 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 33 transitions. [2021-10-11 00:24:26,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-10-11 00:24:26,370 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:24:26,370 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:24:26,370 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-11 00:24:26,370 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:24:26,371 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:24:26,371 INFO L82 PathProgramCache]: Analyzing trace with hash -2084862863, now seen corresponding path program 1 times [2021-10-11 00:24:26,372 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:24:26,372 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1544929901] [2021-10-11 00:24:26,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:24:26,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:24:26,418 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:24:26,419 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1544929901] [2021-10-11 00:24:26,419 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:24:26,419 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 00:24:26,419 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1084892392] [2021-10-11 00:24:26,421 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:24:26,421 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:24:26,422 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:24:26,422 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:24:26,422 INFO L87 Difference]: Start difference. First operand 28 states and 33 transitions. Second operand 3 states. [2021-10-11 00:24:26,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:24:26,482 INFO L93 Difference]: Finished difference Result 56 states and 64 transitions. [2021-10-11 00:24:26,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:24:26,483 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2021-10-11 00:24:26,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:24:26,484 INFO L225 Difference]: With dead ends: 56 [2021-10-11 00:24:26,484 INFO L226 Difference]: Without dead ends: 35 [2021-10-11 00:24:26,485 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:24:26,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2021-10-11 00:24:26,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 28. [2021-10-11 00:24:26,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2021-10-11 00:24:26,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 32 transitions. [2021-10-11 00:24:26,490 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 32 transitions. Word has length 10 [2021-10-11 00:24:26,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:24:26,491 INFO L481 AbstractCegarLoop]: Abstraction has 28 states and 32 transitions. [2021-10-11 00:24:26,491 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:24:26,491 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 32 transitions. [2021-10-11 00:24:26,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-10-11 00:24:26,492 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:24:26,492 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:24:26,492 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-11 00:24:26,492 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:24:26,493 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:24:26,493 INFO L82 PathProgramCache]: Analyzing trace with hash 2140661612, now seen corresponding path program 1 times [2021-10-11 00:24:26,493 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:24:26,493 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2028872852] [2021-10-11 00:24:26,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:24:26,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:24:26,551 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:24:26,552 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2028872852] [2021-10-11 00:24:26,553 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:24:26,553 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 00:24:26,554 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [58510857] [2021-10-11 00:24:26,554 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-10-11 00:24:26,554 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:24:26,555 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-11 00:24:26,555 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-11 00:24:26,556 INFO L87 Difference]: Start difference. First operand 28 states and 32 transitions. Second operand 4 states. [2021-10-11 00:24:26,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:24:26,632 INFO L93 Difference]: Finished difference Result 49 states and 56 transitions. [2021-10-11 00:24:26,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-11 00:24:26,632 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 10 [2021-10-11 00:24:26,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:24:26,634 INFO L225 Difference]: With dead ends: 49 [2021-10-11 00:24:26,634 INFO L226 Difference]: Without dead ends: 47 [2021-10-11 00:24:26,635 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-11 00:24:26,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2021-10-11 00:24:26,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 30. [2021-10-11 00:24:26,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2021-10-11 00:24:26,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 34 transitions. [2021-10-11 00:24:26,642 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 34 transitions. Word has length 10 [2021-10-11 00:24:26,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:24:26,643 INFO L481 AbstractCegarLoop]: Abstraction has 30 states and 34 transitions. [2021-10-11 00:24:26,643 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-10-11 00:24:26,643 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 34 transitions. [2021-10-11 00:24:26,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-10-11 00:24:26,644 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:24:26,644 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:24:26,644 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-11 00:24:26,644 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:24:26,645 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:24:26,645 INFO L82 PathProgramCache]: Analyzing trace with hash 1998916233, now seen corresponding path program 1 times [2021-10-11 00:24:26,645 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:24:26,646 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [711273037] [2021-10-11 00:24:26,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:24:26,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:24:26,683 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:24:26,683 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [711273037] [2021-10-11 00:24:26,684 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:24:26,684 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 00:24:26,684 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2062923245] [2021-10-11 00:24:26,685 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:24:26,685 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:24:26,685 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:24:26,686 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:24:26,686 INFO L87 Difference]: Start difference. First operand 30 states and 34 transitions. Second operand 3 states. [2021-10-11 00:24:26,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:24:26,721 INFO L93 Difference]: Finished difference Result 52 states and 59 transitions. [2021-10-11 00:24:26,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:24:26,722 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 11 [2021-10-11 00:24:26,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:24:26,723 INFO L225 Difference]: With dead ends: 52 [2021-10-11 00:24:26,723 INFO L226 Difference]: Without dead ends: 31 [2021-10-11 00:24:26,724 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:24:26,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2021-10-11 00:24:26,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 25. [2021-10-11 00:24:26,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2021-10-11 00:24:26,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 28 transitions. [2021-10-11 00:24:26,729 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 28 transitions. Word has length 11 [2021-10-11 00:24:26,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:24:26,729 INFO L481 AbstractCegarLoop]: Abstraction has 25 states and 28 transitions. [2021-10-11 00:24:26,730 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:24:26,730 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 28 transitions. [2021-10-11 00:24:26,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-11 00:24:26,730 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:24:26,731 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:24:26,731 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-11 00:24:26,731 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:24:26,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:24:26,732 INFO L82 PathProgramCache]: Analyzing trace with hash 588855308, now seen corresponding path program 1 times [2021-10-11 00:24:26,732 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:24:26,733 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1516479692] [2021-10-11 00:24:26,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:24:26,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:24:27,507 WARN L197 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 40 [2021-10-11 00:24:27,632 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:24:27,632 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1516479692] [2021-10-11 00:24:27,633 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:24:27,633 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-10-11 00:24:27,633 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1973807299] [2021-10-11 00:24:27,633 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-10-11 00:24:27,634 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:24:27,634 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-11 00:24:27,635 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-10-11 00:24:27,640 INFO L87 Difference]: Start difference. First operand 25 states and 28 transitions. Second operand 8 states. [2021-10-11 00:24:27,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:24:27,833 INFO L93 Difference]: Finished difference Result 43 states and 50 transitions. [2021-10-11 00:24:27,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-11 00:24:27,834 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 16 [2021-10-11 00:24:27,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:24:27,835 INFO L225 Difference]: With dead ends: 43 [2021-10-11 00:24:27,835 INFO L226 Difference]: Without dead ends: 27 [2021-10-11 00:24:27,837 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2021-10-11 00:24:27,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2021-10-11 00:24:27,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 26. [2021-10-11 00:24:27,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2021-10-11 00:24:27,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 27 transitions. [2021-10-11 00:24:27,851 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 27 transitions. Word has length 16 [2021-10-11 00:24:27,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:24:27,851 INFO L481 AbstractCegarLoop]: Abstraction has 26 states and 27 transitions. [2021-10-11 00:24:27,852 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2021-10-11 00:24:27,852 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 27 transitions. [2021-10-11 00:24:27,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-11 00:24:27,853 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:24:27,853 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:24:27,853 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-11 00:24:27,854 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:24:27,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:24:27,856 INFO L82 PathProgramCache]: Analyzing trace with hash 394194232, now seen corresponding path program 1 times [2021-10-11 00:24:27,856 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:24:27,857 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1379454182] [2021-10-11 00:24:27,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:24:27,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:24:27,933 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:24:27,934 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1379454182] [2021-10-11 00:24:27,934 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:24:27,934 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-11 00:24:27,935 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1278619223] [2021-10-11 00:24:27,936 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-10-11 00:24:27,936 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:24:27,937 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-11 00:24:27,938 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-10-11 00:24:27,938 INFO L87 Difference]: Start difference. First operand 26 states and 27 transitions. Second operand 6 states. [2021-10-11 00:24:28,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:24:28,014 INFO L93 Difference]: Finished difference Result 40 states and 42 transitions. [2021-10-11 00:24:28,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-11 00:24:28,016 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 17 [2021-10-11 00:24:28,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:24:28,021 INFO L225 Difference]: With dead ends: 40 [2021-10-11 00:24:28,021 INFO L226 Difference]: Without dead ends: 38 [2021-10-11 00:24:28,024 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2021-10-11 00:24:28,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2021-10-11 00:24:28,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 24. [2021-10-11 00:24:28,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2021-10-11 00:24:28,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 25 transitions. [2021-10-11 00:24:28,036 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 25 transitions. Word has length 17 [2021-10-11 00:24:28,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:24:28,037 INFO L481 AbstractCegarLoop]: Abstraction has 24 states and 25 transitions. [2021-10-11 00:24:28,037 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-10-11 00:24:28,043 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 25 transitions. [2021-10-11 00:24:28,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-11 00:24:28,044 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:24:28,044 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:24:28,045 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-11 00:24:28,045 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:24:28,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:24:28,050 INFO L82 PathProgramCache]: Analyzing trace with hash 1945950452, now seen corresponding path program 1 times [2021-10-11 00:24:28,050 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:24:28,050 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1061081246] [2021-10-11 00:24:28,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:24:28,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:24:28,243 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:24:28,243 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1061081246] [2021-10-11 00:24:28,243 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2034333040] [2021-10-11 00:24:28,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_754f06dd-f340-49b8-9fc8-a0e452fc4c78/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-11 00:24:28,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:24:28,329 INFO L263 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 14 conjunts are in the unsatisfiable core [2021-10-11 00:24:28,334 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 00:24:28,505 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:24:28,506 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-11 00:24:28,506 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 4] total 7 [2021-10-11 00:24:28,506 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [833669081] [2021-10-11 00:24:28,507 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-10-11 00:24:28,508 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:24:28,508 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-11 00:24:28,509 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-10-11 00:24:28,509 INFO L87 Difference]: Start difference. First operand 24 states and 25 transitions. Second operand 7 states. [2021-10-11 00:24:28,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:24:28,701 INFO L93 Difference]: Finished difference Result 28 states and 29 transitions. [2021-10-11 00:24:28,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-11 00:24:28,703 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 19 [2021-10-11 00:24:28,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:24:28,703 INFO L225 Difference]: With dead ends: 28 [2021-10-11 00:24:28,703 INFO L226 Difference]: Without dead ends: 0 [2021-10-11 00:24:28,704 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 18 SyntacticMatches, 2 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-10-11 00:24:28,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-11 00:24:28,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-11 00:24:28,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-10-11 00:24:28,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-11 00:24:28,705 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 19 [2021-10-11 00:24:28,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:24:28,705 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-11 00:24:28,705 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2021-10-11 00:24:28,705 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-11 00:24:28,705 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-11 00:24:28,906 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2021-10-11 00:24:28,907 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-11 00:24:29,151 WARN L197 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 61 [2021-10-11 00:24:29,225 INFO L262 CegarLoopResult]: For program point L60(lines 60 93) no Hoare annotation was computed. [2021-10-11 00:24:29,225 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 73) no Hoare annotation was computed. [2021-10-11 00:24:29,226 INFO L258 CegarLoopResult]: At program point L151(lines 29 152) the Hoare annotation is: false [2021-10-11 00:24:29,226 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-11 00:24:29,226 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-11 00:24:29,227 INFO L258 CegarLoopResult]: At program point L119(lines 98 128) the Hoare annotation is: (let ((.cse6 (div ULTIMATE.start_main_~main__index2~0 4294967296)) (.cse5 (div ULTIMATE.start_main_~main__index1~0 4294967296))) (let ((.cse8 (+ ULTIMATE.start_main_~main__index2~0 (* 4294967296 .cse5))) (.cse9 (= ULTIMATE.start_main_~__VERIFIER_assert__cond~0 1)) (.cse7 (* 4294967296 .cse6))) (or (and (or (let ((.cse4 (select |#memory_int| |ULTIMATE.start_main_~#main__array~0.base|))) (let ((.cse3 (select .cse4 (+ (* ULTIMATE.start_main_~main__index2~0 4) |ULTIMATE.start_main_~#main__array~0.offset| (* .cse6 (- 17179869184))))) (.cse0 (select .cse4 (+ (* ULTIMATE.start_main_~main__index1~0 4) |ULTIMATE.start_main_~#main__array~0.offset| (* .cse5 (- 17179869184)))))) (let ((.cse2 (+ .cse3 (* 4294967296 (div .cse0 4294967296)))) (.cse1 (* 4294967296 (div .cse3 4294967296)))) (and (<= (+ .cse0 .cse1) .cse2) (< .cse2 (+ .cse0 .cse1 1)))))) (<= (+ ULTIMATE.start_main_~main__index1~0 .cse7) .cse8)) .cse9 (<= ULTIMATE.start_main_~main__index2~0 (+ (* 4294967296 (div (+ ULTIMATE.start_main_~main__index2~0 (* ULTIMATE.start_main_~main__index1~0 (- 1)) (* (div (+ ULTIMATE.start_main_~main__index1~0 (- 1)) 4294967296) 4294967296) 1) 4294967296)) 99998))) (and (<= (+ ULTIMATE.start_main_~main__index1~0 .cse7 1) .cse8) (not (= ULTIMATE.start_main_~__VERIFIER_assert__cond~2 0)) .cse9 (<= ULTIMATE.start_main_~main__index2~0 (+ .cse7 99999)))))) [2021-10-11 00:24:29,227 INFO L265 CegarLoopResult]: At program point L194(lines 14 196) the Hoare annotation is: true [2021-10-11 00:24:29,227 INFO L262 CegarLoopResult]: For program point L62(lines 62 88) no Hoare annotation was computed. [2021-10-11 00:24:29,227 INFO L262 CegarLoopResult]: For program point L29(lines 29 152) no Hoare annotation was computed. [2021-10-11 00:24:29,228 INFO L258 CegarLoopResult]: At program point L87(lines 62 88) the Hoare annotation is: (and (not (= ULTIMATE.start_main_~main____CPAchecker_TMP_0~1 0)) (<= (+ ULTIMATE.start_main_~main__index1~0 (* 4294967296 (div ULTIMATE.start_main_~main__index2~0 4294967296)) 1) (+ ULTIMATE.start_main_~main__index2~0 (* 4294967296 (div ULTIMATE.start_main_~main__index1~0 4294967296)))) (= ULTIMATE.start_main_~__VERIFIER_assert__cond~0 1) (<= ULTIMATE.start_main_~main__index2~0 (+ (* 4294967296 (div (+ ULTIMATE.start_main_~main__index2~0 (* ULTIMATE.start_main_~main__index1~0 (- 1)) (* (div (+ ULTIMATE.start_main_~main__index1~0 (- 1)) 4294967296) 4294967296) 1) 4294967296)) 99998))) [2021-10-11 00:24:29,228 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION(line 167) no Hoare annotation was computed. [2021-10-11 00:24:29,228 INFO L262 CegarLoopResult]: For program point L21(lines 21 195) no Hoare annotation was computed. [2021-10-11 00:24:29,228 INFO L258 CegarLoopResult]: At program point L79(lines 46 139) the Hoare annotation is: (let ((.cse3 (* 4294967296 (div ULTIMATE.start_main_~main__index2~0 4294967296)))) (let ((.cse0 (<= (+ ULTIMATE.start_main_~main__index1~0 .cse3 1) (+ ULTIMATE.start_main_~main__index2~0 (* 4294967296 (div ULTIMATE.start_main_~main__index1~0 4294967296))))) (.cse1 (= ULTIMATE.start_main_~__VERIFIER_assert__cond~0 1)) (.cse2 (<= ULTIMATE.start_main_~main__index2~0 (+ .cse3 99999)))) (or (and (= ULTIMATE.start_main_~main____CPAchecker_TMP_0~0 1) .cse0 .cse1 .cse2) (and .cse0 (not (= ULTIMATE.start_main_~main____CPAchecker_TMP_0~1 0)) .cse1 (not (= ULTIMATE.start_main_~__VERIFIER_assert__cond~1 0)) .cse2)))) [2021-10-11 00:24:29,228 INFO L262 CegarLoopResult]: For program point L71(lines 71 80) no Hoare annotation was computed. [2021-10-11 00:24:29,228 INFO L258 CegarLoopResult]: At program point L146(lines 31 147) the Hoare annotation is: (let ((.cse0 (* 4294967296 (div ULTIMATE.start_main_~main__index2~0 4294967296)))) (and (= ULTIMATE.start_main_~main____CPAchecker_TMP_0~0 1) (<= (+ ULTIMATE.start_main_~main__index1~0 .cse0 1) (+ ULTIMATE.start_main_~main__index2~0 (* 4294967296 (div ULTIMATE.start_main_~main__index1~0 4294967296)))) (= ULTIMATE.start_main_~main__loop_entered~0 0) (<= ULTIMATE.start_main_~main__index2~0 (+ .cse0 99999)))) [2021-10-11 00:24:29,229 INFO L262 CegarLoopResult]: For program point L97(lines 97 132) no Hoare annotation was computed. [2021-10-11 00:24:29,229 INFO L262 CegarLoopResult]: For program point L31(lines 31 147) no Hoare annotation was computed. [2021-10-11 00:24:29,229 INFO L258 CegarLoopResult]: At program point L172(lines 26 185) the Hoare annotation is: (and (not (= ULTIMATE.start_main_~__VERIFIER_assert__cond~2 0)) (= ULTIMATE.start_main_~__VERIFIER_assert__cond~0 1) (<= ULTIMATE.start_main_~main__index2~0 (+ (* 4294967296 (div (+ ULTIMATE.start_main_~main__index2~0 (* ULTIMATE.start_main_~main__index1~0 (- 1)) (* (div (+ ULTIMATE.start_main_~main__index1~0 (- 1)) 4294967296) 4294967296) 1) 4294967296)) 99998))) [2021-10-11 00:24:29,229 INFO L262 CegarLoopResult]: For program point L73(line 73) no Hoare annotation was computed. [2021-10-11 00:24:29,229 INFO L262 CegarLoopResult]: For program point L40(lines 40 139) no Hoare annotation was computed. [2021-10-11 00:24:29,229 INFO L265 CegarLoopResult]: At program point L131(lines 97 132) the Hoare annotation is: true [2021-10-11 00:24:29,229 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-11 00:24:29,229 INFO L262 CegarLoopResult]: For program point L156(lines 156 184) no Hoare annotation was computed. [2021-10-11 00:24:29,229 INFO L262 CegarLoopResult]: For program point L57(lines 57 133) no Hoare annotation was computed. [2021-10-11 00:24:29,230 INFO L262 CegarLoopResult]: For program point L24(lines 24 190) no Hoare annotation was computed. [2021-10-11 00:24:29,230 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 42) no Hoare annotation was computed. [2021-10-11 00:24:29,231 INFO L262 CegarLoopResult]: For program point L107(lines 107 120) no Hoare annotation was computed. [2021-10-11 00:24:29,231 INFO L262 CegarLoopResult]: For program point L165(lines 165 173) no Hoare annotation was computed. [2021-10-11 00:24:29,231 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-11 00:24:29,231 INFO L262 CegarLoopResult]: For program point L50(lines 50 138) no Hoare annotation was computed. [2021-10-11 00:24:29,231 INFO L262 CegarLoopResult]: For program point L42(line 42) no Hoare annotation was computed. [2021-10-11 00:24:29,231 INFO L262 CegarLoopResult]: For program point L158(lines 158 179) no Hoare annotation was computed. [2021-10-11 00:24:29,231 INFO L258 CegarLoopResult]: At program point L92(lines 60 93) the Hoare annotation is: false [2021-10-11 00:24:29,232 INFO L262 CegarLoopResult]: For program point L26(lines 26 185) no Hoare annotation was computed. [2021-10-11 00:24:29,232 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 109) no Hoare annotation was computed. [2021-10-11 00:24:29,232 INFO L262 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed. [2021-10-11 00:24:29,232 INFO L262 CegarLoopResult]: For program point L167(line 167) no Hoare annotation was computed. [2021-10-11 00:24:29,278 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 12:24:29 BoogieIcfgContainer [2021-10-11 00:24:29,278 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 00:24:29,278 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 00:24:29,278 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 00:24:29,279 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 00:24:29,279 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:24:25" (3/4) ... [2021-10-11 00:24:29,282 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-11 00:24:29,300 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2021-10-11 00:24:29,301 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-10-11 00:24:29,301 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 00:24:29,301 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 00:24:29,355 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_754f06dd-f340-49b8-9fc8-a0e452fc4c78/bin/uautomizer-Z5i5R5N3CC/witness.graphml [2021-10-11 00:24:29,355 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 00:24:29,356 INFO L168 Benchmark]: Toolchain (without parser) took 4696.69 ms. Allocated memory was 96.5 MB in the beginning and 130.0 MB in the end (delta: 33.6 MB). Free memory was 62.6 MB in the beginning and 39.8 MB in the end (delta: 22.8 MB). Peak memory consumption was 55.3 MB. Max. memory is 16.1 GB. [2021-10-11 00:24:29,357 INFO L168 Benchmark]: CDTParser took 0.86 ms. Allocated memory is still 96.5 MB. Free memory was 49.5 MB in the beginning and 49.5 MB in the end (delta: 76.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 00:24:29,359 INFO L168 Benchmark]: CACSL2BoogieTranslator took 423.59 ms. Allocated memory was 96.5 MB in the beginning and 130.0 MB in the end (delta: 33.6 MB). Free memory was 62.4 MB in the beginning and 102.6 MB in the end (delta: -40.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-11 00:24:29,360 INFO L168 Benchmark]: Boogie Procedure Inliner took 64.53 ms. Allocated memory is still 130.0 MB. Free memory was 102.6 MB in the beginning and 101.1 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 00:24:29,360 INFO L168 Benchmark]: Boogie Preprocessor took 54.97 ms. Allocated memory is still 130.0 MB. Free memory was 101.1 MB in the beginning and 99.7 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 00:24:29,361 INFO L168 Benchmark]: RCFGBuilder took 602.89 ms. Allocated memory is still 130.0 MB. Free memory was 99.7 MB in the beginning and 80.1 MB in the end (delta: 19.5 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. [2021-10-11 00:24:29,361 INFO L168 Benchmark]: TraceAbstraction took 3466.47 ms. Allocated memory is still 130.0 MB. Free memory was 79.5 MB in the beginning and 45.0 MB in the end (delta: 34.5 MB). Peak memory consumption was 37.5 MB. Max. memory is 16.1 GB. [2021-10-11 00:24:29,362 INFO L168 Benchmark]: Witness Printer took 77.06 ms. Allocated memory is still 130.0 MB. Free memory was 45.0 MB in the beginning and 39.8 MB in the end (delta: 5.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-11 00:24:29,364 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.86 ms. Allocated memory is still 96.5 MB. Free memory was 49.5 MB in the beginning and 49.5 MB in the end (delta: 76.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 423.59 ms. Allocated memory was 96.5 MB in the beginning and 130.0 MB in the end (delta: 33.6 MB). Free memory was 62.4 MB in the beginning and 102.6 MB in the end (delta: -40.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 64.53 ms. Allocated memory is still 130.0 MB. Free memory was 102.6 MB in the beginning and 101.1 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 54.97 ms. Allocated memory is still 130.0 MB. Free memory was 101.1 MB in the beginning and 99.7 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 602.89 ms. Allocated memory is still 130.0 MB. Free memory was 99.7 MB in the beginning and 80.1 MB in the end (delta: 19.5 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. * TraceAbstraction took 3466.47 ms. Allocated memory is still 130.0 MB. Free memory was 79.5 MB in the beginning and 45.0 MB in the end (delta: 34.5 MB). Peak memory consumption was 37.5 MB. Max. memory is 16.1 GB. * Witness Printer took 77.06 ms. Allocated memory is still 130.0 MB. Free memory was 45.0 MB in the beginning and 39.8 MB in the end (delta: 5.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 73]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 167]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 42]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 109]: 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 4 specifications checked. All of them hold - InvariantResult [Line: 46]: Loop Invariant Derived loop invariant: (((main____CPAchecker_TMP_0 == 1 && main__index1 + 4294967296 * (main__index2 / 4294967296) + 1 <= main__index2 + 4294967296 * (main__index1 / 4294967296)) && __VERIFIER_assert__cond == 1) && main__index2 <= 4294967296 * (main__index2 / 4294967296) + 99999) || ((((main__index1 + 4294967296 * (main__index2 / 4294967296) + 1 <= main__index2 + 4294967296 * (main__index1 / 4294967296) && !(main____CPAchecker_TMP_0 == 0)) && __VERIFIER_assert__cond == 1) && !(__VERIFIER_assert__cond == 0)) && main__index2 <= 4294967296 * (main__index2 / 4294967296) + 99999) - InvariantResult [Line: 26]: Loop Invariant Derived loop invariant: (!(__VERIFIER_assert__cond == 0) && __VERIFIER_assert__cond == 1) && main__index2 <= 4294967296 * ((main__index2 + main__index1 * -1 + (main__index1 + -1) / 4294967296 * 4294967296 + 1) / 4294967296) + 99998 - InvariantResult [Line: 60]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 29]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 98]: Loop Invariant Derived loop invariant: ((((unknown-#memory_int-unknown[main__array][main__index1 * 4 + main__array + main__index1 / 4294967296 * -17179869184] + 4294967296 * (unknown-#memory_int-unknown[main__array][main__index2 * 4 + main__array + main__index2 / 4294967296 * -17179869184] / 4294967296) <= unknown-#memory_int-unknown[main__array][main__index2 * 4 + main__array + main__index2 / 4294967296 * -17179869184] + 4294967296 * (unknown-#memory_int-unknown[main__array][main__index1 * 4 + main__array + main__index1 / 4294967296 * -17179869184] / 4294967296) && unknown-#memory_int-unknown[main__array][main__index2 * 4 + main__array + main__index2 / 4294967296 * -17179869184] + 4294967296 * (unknown-#memory_int-unknown[main__array][main__index1 * 4 + main__array + main__index1 / 4294967296 * -17179869184] / 4294967296) < unknown-#memory_int-unknown[main__array][main__index1 * 4 + main__array + main__index1 / 4294967296 * -17179869184] + 4294967296 * (unknown-#memory_int-unknown[main__array][main__index2 * 4 + main__array + main__index2 / 4294967296 * -17179869184] / 4294967296) + 1) || main__index1 + 4294967296 * (main__index2 / 4294967296) <= main__index2 + 4294967296 * (main__index1 / 4294967296)) && __VERIFIER_assert__cond == 1) && main__index2 <= 4294967296 * ((main__index2 + main__index1 * -1 + (main__index1 + -1) / 4294967296 * 4294967296 + 1) / 4294967296) + 99998) || (((main__index1 + 4294967296 * (main__index2 / 4294967296) + 1 <= main__index2 + 4294967296 * (main__index1 / 4294967296) && !(__VERIFIER_assert__cond == 0)) && __VERIFIER_assert__cond == 1) && main__index2 <= 4294967296 * (main__index2 / 4294967296) + 99999) - InvariantResult [Line: 62]: Loop Invariant Derived loop invariant: ((!(main____CPAchecker_TMP_0 == 0) && main__index1 + 4294967296 * (main__index2 / 4294967296) + 1 <= main__index2 + 4294967296 * (main__index1 / 4294967296)) && __VERIFIER_assert__cond == 1) && main__index2 <= 4294967296 * ((main__index2 + main__index1 * -1 + (main__index1 + -1) / 4294967296 * 4294967296 + 1) / 4294967296) + 99998 - InvariantResult [Line: 14]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 31]: Loop Invariant Derived loop invariant: ((main____CPAchecker_TMP_0 == 1 && main__index1 + 4294967296 * (main__index2 / 4294967296) + 1 <= main__index2 + 4294967296 * (main__index1 / 4294967296)) && main__loop_entered == 0) && main__index2 <= 4294967296 * (main__index2 / 4294967296) + 99999 - InvariantResult [Line: 97]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 37 locations, 4 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3.0s, OverallIterations: 7, TraceHistogramMax: 2, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 180 SDtfs, 181 SDslu, 198 SDs, 0 SdLazy, 144 SolverSat, 14 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 64 GetRequests, 33 SyntacticMatches, 3 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=37occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 7 MinimizatonAttempts, 47 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 9 PreInvPairs, 19 NumberOfFragments, 391 HoareAnnotationTreeSize, 9 FomulaSimplifications, 670 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 9 FomulaSimplificationsInter, 128 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 111 NumberOfCodeBlocks, 111 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 103 ConstructedInterpolants, 0 QuantifiedInterpolants, 21095 SizeOfPredicates, 4 NumberOfNonLiveVariables, 107 ConjunctsInSsa, 14 ConjunctsInUnsatCore, 8 InterpolantComputations, 6 PerfectInterpolantSequences, 2/4 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...