./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/loop-zilu/benchmark05_conjunctive.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version e943c265 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3cdaf7c-c90b-4e4f-bb45-e7544d508f14/bin/uautomizer-j4sWxH34Be/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3cdaf7c-c90b-4e4f-bb45-e7544d508f14/bin/uautomizer-j4sWxH34Be/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3cdaf7c-c90b-4e4f-bb45-e7544d508f14/bin/uautomizer-j4sWxH34Be/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3cdaf7c-c90b-4e4f-bb45-e7544d508f14/bin/uautomizer-j4sWxH34Be/config/AutomizerReach.xml -i ../../sv-benchmarks/c/loop-zilu/benchmark05_conjunctive.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3cdaf7c-c90b-4e4f-bb45-e7544d508f14/bin/uautomizer-j4sWxH34Be/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3cdaf7c-c90b-4e4f-bb45-e7544d508f14/bin/uautomizer-j4sWxH34Be --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ecbe73983438c23c42e2ed0d81896f3aad03ba3c52d7d8ba5ad74018d0035eda .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-e943c26 [2021-10-21 19:27:50,041 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-21 19:27:50,043 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-21 19:27:50,079 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-21 19:27:50,080 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-21 19:27:50,081 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-21 19:27:50,083 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-21 19:27:50,085 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-21 19:27:50,087 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-21 19:27:50,088 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-21 19:27:50,089 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-21 19:27:50,091 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-21 19:27:50,091 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-21 19:27:50,093 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-21 19:27:50,094 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-21 19:27:50,096 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-21 19:27:50,097 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-21 19:27:50,098 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-21 19:27:50,100 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-21 19:27:50,103 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-21 19:27:50,105 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-21 19:27:50,106 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-21 19:27:50,108 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-21 19:27:50,109 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-21 19:27:50,113 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-21 19:27:50,113 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-21 19:27:50,114 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-21 19:27:50,115 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-21 19:27:50,116 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-21 19:27:50,117 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-21 19:27:50,117 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-21 19:27:50,118 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-21 19:27:50,119 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-21 19:27:50,120 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-21 19:27:50,121 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-21 19:27:50,122 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-21 19:27:50,123 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-21 19:27:50,123 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-21 19:27:50,123 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-21 19:27:50,125 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-21 19:27:50,125 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-21 19:27:50,126 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3cdaf7c-c90b-4e4f-bb45-e7544d508f14/bin/uautomizer-j4sWxH34Be/config/svcomp-Overflow-32bit-Automizer_Default.epf [2021-10-21 19:27:50,152 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-21 19:27:50,152 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-21 19:27:50,153 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-21 19:27:50,153 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-21 19:27:50,154 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-21 19:27:50,155 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-21 19:27:50,155 INFO L138 SettingsManager]: * Use SBE=true [2021-10-21 19:27:50,155 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-21 19:27:50,156 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-21 19:27:50,156 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-21 19:27:50,157 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-21 19:27:50,157 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-21 19:27:50,157 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-21 19:27:50,158 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-21 19:27:50,158 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-21 19:27:50,158 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-21 19:27:50,159 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-10-21 19:27:50,159 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-21 19:27:50,160 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-21 19:27:50,160 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-21 19:27:50,160 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-21 19:27:50,161 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-21 19:27:50,161 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-21 19:27:50,161 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-21 19:27:50,162 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-21 19:27:50,162 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-21 19:27:50,163 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-21 19:27:50,163 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-21 19:27:50,163 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-21 19:27:50,164 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-21 19:27:50,164 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-21 19:27:50,165 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-21 19:27:50,171 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_a3cdaf7c-c90b-4e4f-bb45-e7544d508f14/bin/uautomizer-j4sWxH34Be/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3cdaf7c-c90b-4e4f-bb45-e7544d508f14/bin/uautomizer-j4sWxH34Be Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ecbe73983438c23c42e2ed0d81896f3aad03ba3c52d7d8ba5ad74018d0035eda [2021-10-21 19:27:50,398 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-21 19:27:50,426 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-21 19:27:50,428 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-21 19:27:50,430 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-21 19:27:50,430 INFO L275 PluginConnector]: CDTParser initialized [2021-10-21 19:27:50,431 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3cdaf7c-c90b-4e4f-bb45-e7544d508f14/bin/uautomizer-j4sWxH34Be/../../sv-benchmarks/c/loop-zilu/benchmark05_conjunctive.i [2021-10-21 19:27:50,494 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3cdaf7c-c90b-4e4f-bb45-e7544d508f14/bin/uautomizer-j4sWxH34Be/data/03bb6c7d1/9db18f9b7cd54838aaa19d58f07915a6/FLAG0eea74f99 [2021-10-21 19:27:50,949 INFO L306 CDTParser]: Found 1 translation units. [2021-10-21 19:27:50,950 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3cdaf7c-c90b-4e4f-bb45-e7544d508f14/sv-benchmarks/c/loop-zilu/benchmark05_conjunctive.i [2021-10-21 19:27:50,957 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3cdaf7c-c90b-4e4f-bb45-e7544d508f14/bin/uautomizer-j4sWxH34Be/data/03bb6c7d1/9db18f9b7cd54838aaa19d58f07915a6/FLAG0eea74f99 [2021-10-21 19:27:51,343 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3cdaf7c-c90b-4e4f-bb45-e7544d508f14/bin/uautomizer-j4sWxH34Be/data/03bb6c7d1/9db18f9b7cd54838aaa19d58f07915a6 [2021-10-21 19:27:51,346 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-21 19:27:51,347 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-21 19:27:51,349 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-21 19:27:51,349 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-21 19:27:51,372 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-21 19:27:51,373 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 07:27:51" (1/1) ... [2021-10-21 19:27:51,374 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7fe1ee21 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:27:51, skipping insertion in model container [2021-10-21 19:27:51,374 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 07:27:51" (1/1) ... [2021-10-21 19:27:51,381 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-21 19:27:51,395 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-21 19:27:51,570 WARN L228 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_a3cdaf7c-c90b-4e4f-bb45-e7544d508f14/sv-benchmarks/c/loop-zilu/benchmark05_conjunctive.i[873,886] [2021-10-21 19:27:51,577 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 19:27:51,585 INFO L203 MainTranslator]: Completed pre-run [2021-10-21 19:27:51,597 WARN L228 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_a3cdaf7c-c90b-4e4f-bb45-e7544d508f14/sv-benchmarks/c/loop-zilu/benchmark05_conjunctive.i[873,886] [2021-10-21 19:27:51,600 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 19:27:51,612 INFO L208 MainTranslator]: Completed translation [2021-10-21 19:27:51,613 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:27:51 WrapperNode [2021-10-21 19:27:51,613 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-21 19:27:51,614 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-21 19:27:51,614 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-21 19:27:51,614 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-21 19:27:51,622 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:27:51" (1/1) ... [2021-10-21 19:27:51,629 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:27:51" (1/1) ... [2021-10-21 19:27:51,647 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-21 19:27:51,648 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-21 19:27:51,649 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-21 19:27:51,649 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-21 19:27:51,657 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:27:51" (1/1) ... [2021-10-21 19:27:51,657 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:27:51" (1/1) ... [2021-10-21 19:27:51,658 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:27:51" (1/1) ... [2021-10-21 19:27:51,659 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:27:51" (1/1) ... [2021-10-21 19:27:51,662 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:27:51" (1/1) ... [2021-10-21 19:27:51,666 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:27:51" (1/1) ... [2021-10-21 19:27:51,667 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:27:51" (1/1) ... [2021-10-21 19:27:51,668 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-21 19:27:51,669 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-21 19:27:51,670 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-21 19:27:51,670 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-21 19:27:51,671 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:27:51" (1/1) ... [2021-10-21 19:27:51,678 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-21 19:27:51,694 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3cdaf7c-c90b-4e4f-bb45-e7544d508f14/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:27:51,708 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3cdaf7c-c90b-4e4f-bb45-e7544d508f14/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-21 19:27:51,729 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3cdaf7c-c90b-4e4f-bb45-e7544d508f14/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-21 19:27:51,761 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-21 19:27:51,761 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-21 19:27:51,762 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-21 19:27:51,762 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-21 19:27:51,953 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-21 19:27:51,953 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-10-21 19:27:51,955 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:27:51 BoogieIcfgContainer [2021-10-21 19:27:51,955 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-21 19:27:51,957 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-21 19:27:51,957 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-21 19:27:51,961 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-21 19:27:51,961 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.10 07:27:51" (1/3) ... [2021-10-21 19:27:51,962 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@672af9d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 07:27:51, skipping insertion in model container [2021-10-21 19:27:51,962 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:27:51" (2/3) ... [2021-10-21 19:27:51,963 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@672af9d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 07:27:51, skipping insertion in model container [2021-10-21 19:27:51,963 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:27:51" (3/3) ... [2021-10-21 19:27:51,964 INFO L111 eAbstractionObserver]: Analyzing ICFG benchmark05_conjunctive.i [2021-10-21 19:27:51,970 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-21 19:27:51,970 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2021-10-21 19:27:52,019 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-21 19:27:52,026 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-21 19:27:52,026 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-10-21 19:27:52,040 INFO L276 IsEmpty]: Start isEmpty. Operand has 19 states, 14 states have (on average 1.6428571428571428) internal successors, (23), 18 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:27:52,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-10-21 19:27:52,046 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:27:52,046 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2021-10-21 19:27:52,047 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2021-10-21 19:27:52,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:27:52,053 INFO L82 PathProgramCache]: Analyzing trace with hash 28695973, now seen corresponding path program 1 times [2021-10-21 19:27:52,062 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:27:52,063 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1854801128] [2021-10-21 19:27:52,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:27:52,064 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:27:52,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:27:52,241 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:27:52,242 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:27:52,243 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1854801128] [2021-10-21 19:27:52,243 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1854801128] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:27:52,244 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:27:52,244 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-21 19:27:52,246 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [89546133] [2021-10-21 19:27:52,250 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-21 19:27:52,251 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:27:52,264 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-21 19:27:52,264 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-21 19:27:52,267 INFO L87 Difference]: Start difference. First operand has 19 states, 14 states have (on average 1.6428571428571428) internal successors, (23), 18 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 5 states, 4 states have (on average 1.25) internal successors, (5), 5 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:27:52,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:27:52,337 INFO L93 Difference]: Finished difference Result 32 states and 38 transitions. [2021-10-21 19:27:52,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-21 19:27:52,340 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 1.25) internal successors, (5), 5 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2021-10-21 19:27:52,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:27:52,347 INFO L225 Difference]: With dead ends: 32 [2021-10-21 19:27:52,347 INFO L226 Difference]: Without dead ends: 13 [2021-10-21 19:27:52,350 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 32.4ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-21 19:27:52,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2021-10-21 19:27:52,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 12. [2021-10-21 19:27:52,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 11 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:27:52,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 13 transitions. [2021-10-21 19:27:52,417 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 13 transitions. Word has length 5 [2021-10-21 19:27:52,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:27:52,418 INFO L470 AbstractCegarLoop]: Abstraction has 12 states and 13 transitions. [2021-10-21 19:27:52,418 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 1.25) internal successors, (5), 5 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:27:52,419 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 13 transitions. [2021-10-21 19:27:52,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-10-21 19:27:52,419 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:27:52,420 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2021-10-21 19:27:52,420 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-21 19:27:52,420 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2021-10-21 19:27:52,421 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:27:52,421 INFO L82 PathProgramCache]: Analyzing trace with hash 889575213, now seen corresponding path program 1 times [2021-10-21 19:27:52,422 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:27:52,422 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1339746742] [2021-10-21 19:27:52,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:27:52,423 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:27:52,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:27:52,521 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:27:52,527 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:27:52,527 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1339746742] [2021-10-21 19:27:52,527 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1339746742] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:27:52,528 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:27:52,528 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 19:27:52,528 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [236412898] [2021-10-21 19:27:52,530 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-21 19:27:52,530 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:27:52,531 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-21 19:27:52,531 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-21 19:27:52,532 INFO L87 Difference]: Start difference. First operand 12 states and 13 transitions. Second operand has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:27:52,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:27:52,562 INFO L93 Difference]: Finished difference Result 12 states and 13 transitions. [2021-10-21 19:27:52,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-21 19:27:52,563 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2021-10-21 19:27:52,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:27:52,565 INFO L225 Difference]: With dead ends: 12 [2021-10-21 19:27:52,566 INFO L226 Difference]: Without dead ends: 11 [2021-10-21 19:27:52,566 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 16.6ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-21 19:27:52,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2021-10-21 19:27:52,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2021-10-21 19:27:52,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 10 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:27:52,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 12 transitions. [2021-10-21 19:27:52,568 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 12 transitions. Word has length 6 [2021-10-21 19:27:52,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:27:52,569 INFO L470 AbstractCegarLoop]: Abstraction has 11 states and 12 transitions. [2021-10-21 19:27:52,569 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:27:52,569 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 12 transitions. [2021-10-21 19:27:52,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-10-21 19:27:52,569 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:27:52,570 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:27:52,570 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-21 19:27:52,570 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2021-10-21 19:27:52,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:27:52,571 INFO L82 PathProgramCache]: Analyzing trace with hash 183289487, now seen corresponding path program 1 times [2021-10-21 19:27:52,571 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:27:52,571 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [997849063] [2021-10-21 19:27:52,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:27:52,571 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:27:52,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:27:52,658 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:27:52,658 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:27:52,658 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [997849063] [2021-10-21 19:27:52,659 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [997849063] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:27:52,659 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:27:52,659 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-21 19:27:52,659 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1749003697] [2021-10-21 19:27:52,660 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-21 19:27:52,660 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:27:52,661 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-21 19:27:52,661 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-21 19:27:52,662 INFO L87 Difference]: Start difference. First operand 11 states and 12 transitions. Second operand has 5 states, 4 states have (on average 2.0) internal successors, (8), 5 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:27:52,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:27:52,760 INFO L93 Difference]: Finished difference Result 19 states and 21 transitions. [2021-10-21 19:27:52,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-21 19:27:52,761 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.0) internal successors, (8), 5 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2021-10-21 19:27:52,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:27:52,762 INFO L225 Difference]: With dead ends: 19 [2021-10-21 19:27:52,762 INFO L226 Difference]: Without dead ends: 18 [2021-10-21 19:27:52,762 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 52.0ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-10-21 19:27:52,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2021-10-21 19:27:52,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 16. [2021-10-21 19:27:52,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 14 states have (on average 1.2857142857142858) internal successors, (18), 15 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:27:52,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 18 transitions. [2021-10-21 19:27:52,767 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 18 transitions. Word has length 8 [2021-10-21 19:27:52,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:27:52,767 INFO L470 AbstractCegarLoop]: Abstraction has 16 states and 18 transitions. [2021-10-21 19:27:52,767 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.0) internal successors, (8), 5 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:27:52,767 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2021-10-21 19:27:52,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-10-21 19:27:52,767 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:27:52,768 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:27:52,768 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-21 19:27:52,769 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2021-10-21 19:27:52,769 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:27:52,769 INFO L82 PathProgramCache]: Analyzing trace with hash 1387006858, now seen corresponding path program 1 times [2021-10-21 19:27:52,770 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:27:52,770 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [995411120] [2021-10-21 19:27:52,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:27:52,771 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:27:52,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:27:52,813 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:27:52,813 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:27:52,814 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [995411120] [2021-10-21 19:27:52,814 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [995411120] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:27:52,814 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:27:52,815 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 19:27:52,815 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1081839399] [2021-10-21 19:27:52,815 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-21 19:27:52,816 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:27:52,816 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-21 19:27:52,817 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-21 19:27:52,817 INFO L87 Difference]: Start difference. First operand 16 states and 18 transitions. Second operand has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:27:52,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:27:52,835 INFO L93 Difference]: Finished difference Result 16 states and 18 transitions. [2021-10-21 19:27:52,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-21 19:27:52,836 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2021-10-21 19:27:52,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:27:52,837 INFO L225 Difference]: With dead ends: 16 [2021-10-21 19:27:52,837 INFO L226 Difference]: Without dead ends: 15 [2021-10-21 19:27:52,837 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 10.4ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-21 19:27:52,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2021-10-21 19:27:52,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2021-10-21 19:27:52,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 14 states have (on average 1.2142857142857142) internal successors, (17), 14 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:27:52,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 17 transitions. [2021-10-21 19:27:52,841 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 17 transitions. Word has length 9 [2021-10-21 19:27:52,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:27:52,842 INFO L470 AbstractCegarLoop]: Abstraction has 15 states and 17 transitions. [2021-10-21 19:27:52,842 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:27:52,842 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2021-10-21 19:27:52,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-10-21 19:27:52,843 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:27:52,843 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2021-10-21 19:27:52,844 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-21 19:27:52,844 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2021-10-21 19:27:52,844 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:27:52,845 INFO L82 PathProgramCache]: Analyzing trace with hash 742287368, now seen corresponding path program 1 times [2021-10-21 19:27:52,845 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:27:52,845 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1017535161] [2021-10-21 19:27:52,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:27:52,846 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:27:52,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:27:52,975 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:27:52,975 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:27:52,975 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1017535161] [2021-10-21 19:27:52,976 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1017535161] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 19:27:52,976 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1699614060] [2021-10-21 19:27:52,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:27:52,976 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 19:27:52,977 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3cdaf7c-c90b-4e4f-bb45-e7544d508f14/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:27:52,978 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3cdaf7c-c90b-4e4f-bb45-e7544d508f14/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-21 19:27:52,998 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3cdaf7c-c90b-4e4f-bb45-e7544d508f14/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-10-21 19:27:53,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:27:53,030 INFO L263 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-21 19:27:53,035 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:27:53,223 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:27:53,223 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1699614060] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 19:27:53,223 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-21 19:27:53,224 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 9 [2021-10-21 19:27:53,224 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [374516607] [2021-10-21 19:27:53,224 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-10-21 19:27:53,225 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:27:53,225 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-10-21 19:27:53,226 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-10-21 19:27:53,226 INFO L87 Difference]: Start difference. First operand 15 states and 17 transitions. Second operand has 10 states, 9 states have (on average 2.6666666666666665) internal successors, (24), 10 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:27:53,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:27:53,425 INFO L93 Difference]: Finished difference Result 16 states and 18 transitions. [2021-10-21 19:27:53,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-21 19:27:53,426 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 2.6666666666666665) internal successors, (24), 10 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2021-10-21 19:27:53,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:27:53,426 INFO L225 Difference]: With dead ends: 16 [2021-10-21 19:27:53,426 INFO L226 Difference]: Without dead ends: 0 [2021-10-21 19:27:53,430 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 12 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 166.7ms TimeCoverageRelationStatistics Valid=56, Invalid=154, Unknown=0, NotChecked=0, Total=210 [2021-10-21 19:27:53,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-21 19:27:53,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-21 19:27:53,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:27:53,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-21 19:27:53,430 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 14 [2021-10-21 19:27:53,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:27:53,431 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-21 19:27:53,432 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 2.6666666666666665) internal successors, (24), 10 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:27:53,433 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-21 19:27:53,433 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-21 19:27:53,435 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-21 19:27:53,436 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-21 19:27:53,436 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-21 19:27:53,436 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-21 19:27:53,460 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3cdaf7c-c90b-4e4f-bb45-e7544d508f14/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-10-21 19:27:53,640 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3cdaf7c-c90b-4e4f-bb45-e7544d508f14/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 19:27:53,642 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-21 19:27:53,645 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:27:53,659 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:27:53,696 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 25) no Hoare annotation was computed. [2021-10-21 19:27:53,696 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-21 19:27:53,696 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 26) no Hoare annotation was computed. [2021-10-21 19:27:53,696 INFO L853 garLoopResultBuilder]: At program point L29(lines 19 30) the Hoare annotation is: (<= ULTIMATE.start_main_~n~0 2147483647) [2021-10-21 19:27:53,696 INFO L857 garLoopResultBuilder]: For program point L25(line 25) no Hoare annotation was computed. [2021-10-21 19:27:53,697 INFO L857 garLoopResultBuilder]: For program point L25-1(line 25) no Hoare annotation was computed. [2021-10-21 19:27:53,697 INFO L857 garLoopResultBuilder]: For program point L23(line 23) no Hoare annotation was computed. [2021-10-21 19:27:53,697 INFO L857 garLoopResultBuilder]: For program point L15(lines 15 17) no Hoare annotation was computed. [2021-10-21 19:27:53,697 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-21 19:27:53,697 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 25) no Hoare annotation was computed. [2021-10-21 19:27:53,697 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 26) no Hoare annotation was computed. [2021-10-21 19:27:53,698 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-21 19:27:53,698 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-21 19:27:53,698 INFO L857 garLoopResultBuilder]: For program point L26(line 26) no Hoare annotation was computed. [2021-10-21 19:27:53,698 INFO L857 garLoopResultBuilder]: For program point L26-1(line 26) no Hoare annotation was computed. [2021-10-21 19:27:53,698 INFO L857 garLoopResultBuilder]: For program point L26-2(line 26) no Hoare annotation was computed. [2021-10-21 19:27:53,698 INFO L853 garLoopResultBuilder]: At program point L26-4(lines 24 27) the Hoare annotation is: (let ((.cse0 (<= 0 ULTIMATE.start_main_~y~0)) (.cse1 (<= ULTIMATE.start_main_~n~0 2147483647))) (or (and .cse0 .cse1 (<= ULTIMATE.start_main_~y~0 2147483646) (<= 0 ULTIMATE.start_main_~x~0)) (and .cse0 (< ULTIMATE.start_main_~y~0 (+ ULTIMATE.start_main_~x~0 1)) .cse1))) [2021-10-21 19:27:53,699 INFO L857 garLoopResultBuilder]: For program point L24-2(lines 24 27) no Hoare annotation was computed. [2021-10-21 19:27:53,699 INFO L857 garLoopResultBuilder]: For program point L14(lines 14 18) no Hoare annotation was computed. [2021-10-21 19:27:53,703 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-21 19:27:53,717 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.10 07:27:53 BoogieIcfgContainer [2021-10-21 19:27:53,717 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-21 19:27:53,718 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-21 19:27:53,718 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-21 19:27:53,718 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-21 19:27:53,718 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:27:51" (3/4) ... [2021-10-21 19:27:53,721 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-21 19:27:53,732 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2021-10-21 19:27:53,732 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-10-21 19:27:53,732 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-21 19:27:53,732 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-21 19:27:53,769 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3cdaf7c-c90b-4e4f-bb45-e7544d508f14/bin/uautomizer-j4sWxH34Be/witness.graphml [2021-10-21 19:27:53,769 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-21 19:27:53,771 INFO L168 Benchmark]: Toolchain (without parser) took 2422.86 ms. Allocated memory was 90.2 MB in the beginning and 109.1 MB in the end (delta: 18.9 MB). Free memory was 48.4 MB in the beginning and 42.9 MB in the end (delta: 5.5 MB). Peak memory consumption was 25.5 MB. Max. memory is 16.1 GB. [2021-10-21 19:27:53,771 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 90.2 MB. Free memory is still 64.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 19:27:53,772 INFO L168 Benchmark]: CACSL2BoogieTranslator took 264.37 ms. Allocated memory is still 90.2 MB. Free memory was 48.2 MB in the beginning and 65.4 MB in the end (delta: -17.3 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-21 19:27:53,772 INFO L168 Benchmark]: Boogie Procedure Inliner took 33.77 ms. Allocated memory is still 90.2 MB. Free memory was 65.2 MB in the beginning and 63.9 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-21 19:27:53,773 INFO L168 Benchmark]: Boogie Preprocessor took 20.47 ms. Allocated memory is still 90.2 MB. Free memory was 63.9 MB in the beginning and 62.8 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 19:27:53,773 INFO L168 Benchmark]: RCFGBuilder took 285.85 ms. Allocated memory is still 90.2 MB. Free memory was 62.8 MB in the beginning and 53.4 MB in the end (delta: 9.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-21 19:27:53,778 INFO L168 Benchmark]: TraceAbstraction took 1759.92 ms. Allocated memory was 90.2 MB in the beginning and 109.1 MB in the end (delta: 18.9 MB). Free memory was 53.0 MB in the beginning and 45.0 MB in the end (delta: 8.0 MB). Peak memory consumption was 29.6 MB. Max. memory is 16.1 GB. [2021-10-21 19:27:53,779 INFO L168 Benchmark]: Witness Printer took 51.87 ms. Allocated memory is still 109.1 MB. Free memory was 45.0 MB in the beginning and 42.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-21 19:27:53,781 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 90.2 MB. Free memory is still 64.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 264.37 ms. Allocated memory is still 90.2 MB. Free memory was 48.2 MB in the beginning and 65.4 MB in the end (delta: -17.3 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 33.77 ms. Allocated memory is still 90.2 MB. Free memory was 65.2 MB in the beginning and 63.9 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 20.47 ms. Allocated memory is still 90.2 MB. Free memory was 63.9 MB in the beginning and 62.8 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 285.85 ms. Allocated memory is still 90.2 MB. Free memory was 62.8 MB in the beginning and 53.4 MB in the end (delta: 9.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 1759.92 ms. Allocated memory was 90.2 MB in the beginning and 109.1 MB in the end (delta: 18.9 MB). Free memory was 53.0 MB in the beginning and 45.0 MB in the end (delta: 8.0 MB). Peak memory consumption was 29.6 MB. Max. memory is 16.1 GB. * Witness Printer took 51.87 ms. Allocated memory is still 109.1 MB. Free memory was 45.0 MB in the beginning and 42.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 25]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 25]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 26]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 26]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 19 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 1686.3ms, OverallIterations: 5, TraceHistogramMax: 2, EmptinessCheckTime: 11.2ms, AutomataDifference: 460.2ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 54.4ms, InitialAbstractionConstructionTime: 10.0ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 36 SDtfs, 86 SDslu, 59 SDs, 0 SdLazy, 128 SolverSat, 14 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 148.7ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 47 GetRequests, 16 SyntacticMatches, 1 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 278.3ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=19occurred in iteration=0, InterpolantAutomatonStates: 27, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 63.2ms AutomataMinimizationTime, 5 MinimizatonAttempts, 3 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 2 LocationsWithAnnotation, 2 PreInvPairs, 6 NumberOfFragments, 29 HoareAnnotationTreeSize, 2 FomulaSimplifications, 59 FormulaSimplificationTreeSizeReduction, 17.2ms HoareSimplificationTime, 2 FomulaSimplificationsInter, 3 FormulaSimplificationTreeSizeReductionInter, 30.8ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 20.1ms SsaConstructionTime, 127.9ms SatisfiabilityAnalysisTime, 525.4ms InterpolantComputationTime, 56 NumberOfCodeBlocks, 56 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 50 ConstructedInterpolants, 0 QuantifiedInterpolants, 140 SizeOfPredicates, 4 NumberOfNonLiveVariables, 65 ConjunctsInSsa, 7 ConjunctsInUnsatCore, 6 InterpolantComputations, 4 PerfectInterpolantSequences, 4/10 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 - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 24]: Loop Invariant Derived loop invariant: (((0 <= y && n <= 2147483647) && y <= 2147483646) && 0 <= x) || ((0 <= y && y < x + 1) && n <= 2147483647) - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: n <= 2147483647 RESULT: Ultimate proved your program to be correct! [2021-10-21 19:27:53,836 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3cdaf7c-c90b-4e4f-bb45-e7544d508f14/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...