./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/bitvector/s3_clnt_1.BV.c.cil-2a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version f8e1c903 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab56e47c-30d1-43f2-807f-a9b08496c90a/bin/uautomizer-IVEQpCNsaX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab56e47c-30d1-43f2-807f-a9b08496c90a/bin/uautomizer-IVEQpCNsaX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab56e47c-30d1-43f2-807f-a9b08496c90a/bin/uautomizer-IVEQpCNsaX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab56e47c-30d1-43f2-807f-a9b08496c90a/bin/uautomizer-IVEQpCNsaX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/bitvector/s3_clnt_1.BV.c.cil-2a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab56e47c-30d1-43f2-807f-a9b08496c90a/bin/uautomizer-IVEQpCNsaX/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab56e47c-30d1-43f2-807f-a9b08496c90a/bin/uautomizer-IVEQpCNsaX --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 5917357df1b2dddc8bcf2ad18319ca50ccc3192f7024ae52ff7b9d9430f1e878 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-f8e1c90 [2021-11-09 08:45:01,035 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-09 08:45:01,038 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-09 08:45:01,086 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-09 08:45:01,087 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-09 08:45:01,089 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-09 08:45:01,090 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-09 08:45:01,093 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-09 08:45:01,095 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-09 08:45:01,097 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-09 08:45:01,098 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-09 08:45:01,100 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-09 08:45:01,101 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-09 08:45:01,102 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-09 08:45:01,104 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-09 08:45:01,106 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-09 08:45:01,108 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-09 08:45:01,109 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-09 08:45:01,112 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-09 08:45:01,115 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-09 08:45:01,117 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-09 08:45:01,119 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-09 08:45:01,121 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-09 08:45:01,122 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-09 08:45:01,127 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-09 08:45:01,128 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-09 08:45:01,128 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-09 08:45:01,129 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-09 08:45:01,130 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-09 08:45:01,132 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-09 08:45:01,132 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-09 08:45:01,134 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-09 08:45:01,135 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-09 08:45:01,136 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-09 08:45:01,138 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-09 08:45:01,138 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-09 08:45:01,140 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-09 08:45:01,140 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-09 08:45:01,140 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-09 08:45:01,142 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-09 08:45:01,143 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-09 08:45:01,144 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab56e47c-30d1-43f2-807f-a9b08496c90a/bin/uautomizer-IVEQpCNsaX/config/svcomp-Overflow-32bit-Automizer_Default.epf [2021-11-09 08:45:01,173 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-09 08:45:01,173 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-09 08:45:01,174 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-09 08:45:01,174 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-09 08:45:01,175 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-09 08:45:01,176 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-09 08:45:01,176 INFO L138 SettingsManager]: * Use SBE=true [2021-11-09 08:45:01,176 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-09 08:45:01,177 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-09 08:45:01,177 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-09 08:45:01,177 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-09 08:45:01,177 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-09 08:45:01,178 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-09 08:45:01,178 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-09 08:45:01,178 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-09 08:45:01,178 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-09 08:45:01,181 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-09 08:45:01,181 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-09 08:45:01,181 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-09 08:45:01,182 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-09 08:45:01,182 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-09 08:45:01,182 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-09 08:45:01,183 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-09 08:45:01,183 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-09 08:45:01,184 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-09 08:45:01,184 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-09 08:45:01,184 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-09 08:45:01,185 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-09 08:45:01,186 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-09 08:45:01,188 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-09 08:45:01,189 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-09 08:45:01,189 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-09 08:45:01,189 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_ab56e47c-30d1-43f2-807f-a9b08496c90a/bin/uautomizer-IVEQpCNsaX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab56e47c-30d1-43f2-807f-a9b08496c90a/bin/uautomizer-IVEQpCNsaX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5917357df1b2dddc8bcf2ad18319ca50ccc3192f7024ae52ff7b9d9430f1e878 [2021-11-09 08:45:01,470 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-09 08:45:01,509 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-09 08:45:01,512 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-09 08:45:01,514 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-09 08:45:01,515 INFO L275 PluginConnector]: CDTParser initialized [2021-11-09 08:45:01,516 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab56e47c-30d1-43f2-807f-a9b08496c90a/bin/uautomizer-IVEQpCNsaX/../../sv-benchmarks/c/bitvector/s3_clnt_1.BV.c.cil-2a.c [2021-11-09 08:45:01,631 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab56e47c-30d1-43f2-807f-a9b08496c90a/bin/uautomizer-IVEQpCNsaX/data/6b371aa57/09fdc858eb9443e39e27b4a817b6f391/FLAG7e48a2e0a [2021-11-09 08:45:02,136 INFO L306 CDTParser]: Found 1 translation units. [2021-11-09 08:45:02,136 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab56e47c-30d1-43f2-807f-a9b08496c90a/sv-benchmarks/c/bitvector/s3_clnt_1.BV.c.cil-2a.c [2021-11-09 08:45:02,160 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab56e47c-30d1-43f2-807f-a9b08496c90a/bin/uautomizer-IVEQpCNsaX/data/6b371aa57/09fdc858eb9443e39e27b4a817b6f391/FLAG7e48a2e0a [2021-11-09 08:45:02,481 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab56e47c-30d1-43f2-807f-a9b08496c90a/bin/uautomizer-IVEQpCNsaX/data/6b371aa57/09fdc858eb9443e39e27b4a817b6f391 [2021-11-09 08:45:02,483 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-09 08:45:02,485 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-09 08:45:02,487 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-09 08:45:02,488 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-09 08:45:02,501 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-09 08:45:02,502 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 08:45:02" (1/1) ... [2021-11-09 08:45:02,504 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c70cddb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:45:02, skipping insertion in model container [2021-11-09 08:45:02,507 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 08:45:02" (1/1) ... [2021-11-09 08:45:02,517 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-09 08:45:02,593 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-09 08:45:02,850 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_ab56e47c-30d1-43f2-807f-a9b08496c90a/sv-benchmarks/c/bitvector/s3_clnt_1.BV.c.cil-2a.c[37933,37946] [2021-11-09 08:45:02,857 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-09 08:45:02,868 INFO L203 MainTranslator]: Completed pre-run [2021-11-09 08:45:02,932 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_ab56e47c-30d1-43f2-807f-a9b08496c90a/sv-benchmarks/c/bitvector/s3_clnt_1.BV.c.cil-2a.c[37933,37946] [2021-11-09 08:45:02,936 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-09 08:45:02,951 INFO L208 MainTranslator]: Completed translation [2021-11-09 08:45:02,952 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:45:02 WrapperNode [2021-11-09 08:45:02,952 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-09 08:45:02,953 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-09 08:45:02,953 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-09 08:45:02,954 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-09 08:45:02,962 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:45:02" (1/1) ... [2021-11-09 08:45:02,981 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:45:02" (1/1) ... [2021-11-09 08:45:03,041 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-09 08:45:03,042 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-09 08:45:03,042 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-09 08:45:03,042 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-09 08:45:03,051 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:45:02" (1/1) ... [2021-11-09 08:45:03,051 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:45:02" (1/1) ... [2021-11-09 08:45:03,056 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:45:02" (1/1) ... [2021-11-09 08:45:03,056 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:45:02" (1/1) ... [2021-11-09 08:45:03,070 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:45:02" (1/1) ... [2021-11-09 08:45:03,088 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:45:02" (1/1) ... [2021-11-09 08:45:03,097 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:45:02" (1/1) ... [2021-11-09 08:45:03,105 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-09 08:45:03,106 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-09 08:45:03,107 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-09 08:45:03,107 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-09 08:45:03,108 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:45:02" (1/1) ... [2021-11-09 08:45:03,120 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-09 08:45:03,132 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab56e47c-30d1-43f2-807f-a9b08496c90a/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:45:03,144 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab56e47c-30d1-43f2-807f-a9b08496c90a/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-09 08:45:03,147 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab56e47c-30d1-43f2-807f-a9b08496c90a/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-09 08:45:03,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-09 08:45:03,186 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-09 08:45:03,186 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-09 08:45:03,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-09 08:45:03,302 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-09 08:45:04,069 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##85: assume !false; [2021-11-09 08:45:04,069 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##84: assume false; [2021-11-09 08:45:04,080 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-09 08:45:04,087 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-11-09 08:45:04,097 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 08:45:04 BoogieIcfgContainer [2021-11-09 08:45:04,097 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-09 08:45:04,098 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-09 08:45:04,099 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-09 08:45:04,104 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-09 08:45:04,104 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 08:45:02" (1/3) ... [2021-11-09 08:45:04,105 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5210785b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 08:45:04, skipping insertion in model container [2021-11-09 08:45:04,105 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:45:02" (2/3) ... [2021-11-09 08:45:04,106 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5210785b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 08:45:04, skipping insertion in model container [2021-11-09 08:45:04,106 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 08:45:04" (3/3) ... [2021-11-09 08:45:04,108 INFO L111 eAbstractionObserver]: Analyzing ICFG s3_clnt_1.BV.c.cil-2a.c [2021-11-09 08:45:04,113 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-09 08:45:04,113 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 18 error locations. [2021-11-09 08:45:04,169 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-09 08:45:04,177 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 [2021-11-09 08:45:04,177 INFO L340 AbstractCegarLoop]: Starting to check reachability of 18 error locations. [2021-11-09 08:45:04,209 INFO L276 IsEmpty]: Start isEmpty. Operand has 161 states, 142 states have (on average 1.7535211267605635) internal successors, (249), 160 states have internal predecessors, (249), 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) [2021-11-09 08:45:04,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-09 08:45:04,221 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 08:45:04,222 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 08:45:04,223 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2021-11-09 08:45:04,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 08:45:04,229 INFO L85 PathProgramCache]: Analyzing trace with hash -1574881289, now seen corresponding path program 1 times [2021-11-09 08:45:04,240 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 08:45:04,241 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [544809266] [2021-11-09 08:45:04,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 08:45:04,243 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 08:45:04,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 08:45:04,521 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 08:45:04,521 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 08:45:04,522 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [544809266] [2021-11-09 08:45:04,523 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [544809266] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 08:45:04,523 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 08:45:04,523 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-09 08:45:04,526 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1938970899] [2021-11-09 08:45:04,532 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-09 08:45:04,532 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 08:45:04,549 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-09 08:45:04,550 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-09 08:45:04,554 INFO L87 Difference]: Start difference. First operand has 161 states, 142 states have (on average 1.7535211267605635) internal successors, (249), 160 states have internal predecessors, (249), 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 3 states, 3 states have (on average 6.0) internal successors, (18), 3 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) [2021-11-09 08:45:04,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 08:45:04,816 INFO L93 Difference]: Finished difference Result 318 states and 493 transitions. [2021-11-09 08:45:04,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-09 08:45:04,819 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 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) Word has length 18 [2021-11-09 08:45:04,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-09 08:45:04,834 INFO L225 Difference]: With dead ends: 318 [2021-11-09 08:45:04,835 INFO L226 Difference]: Without dead ends: 153 [2021-11-09 08:45:04,839 INFO L786 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 [2021-11-09 08:45:04,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2021-11-09 08:45:04,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 153. [2021-11-09 08:45:04,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 153 states, 135 states have (on average 1.5777777777777777) internal successors, (213), 152 states have internal predecessors, (213), 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) [2021-11-09 08:45:04,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 213 transitions. [2021-11-09 08:45:04,896 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 213 transitions. Word has length 18 [2021-11-09 08:45:04,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-09 08:45:04,897 INFO L470 AbstractCegarLoop]: Abstraction has 153 states and 213 transitions. [2021-11-09 08:45:04,897 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 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) [2021-11-09 08:45:04,897 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 213 transitions. [2021-11-09 08:45:04,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-09 08:45:04,899 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 08:45:04,899 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 08:45:04,900 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-09 08:45:04,900 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2021-11-09 08:45:04,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 08:45:04,902 INFO L85 PathProgramCache]: Analyzing trace with hash 295428153, now seen corresponding path program 1 times [2021-11-09 08:45:04,902 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 08:45:04,902 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1658585022] [2021-11-09 08:45:04,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 08:45:04,903 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 08:45:04,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 08:45:05,032 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 08:45:05,033 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 08:45:05,033 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1658585022] [2021-11-09 08:45:05,034 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1658585022] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 08:45:05,034 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 08:45:05,034 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-09 08:45:05,034 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1232908267] [2021-11-09 08:45:05,036 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-09 08:45:05,037 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 08:45:05,038 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-09 08:45:05,038 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-09 08:45:05,039 INFO L87 Difference]: Start difference. First operand 153 states and 213 transitions. Second operand has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 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) [2021-11-09 08:45:05,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 08:45:05,213 INFO L93 Difference]: Finished difference Result 314 states and 442 transitions. [2021-11-09 08:45:05,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-09 08:45:05,214 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 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 31 [2021-11-09 08:45:05,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-09 08:45:05,217 INFO L225 Difference]: With dead ends: 314 [2021-11-09 08:45:05,217 INFO L226 Difference]: Without dead ends: 171 [2021-11-09 08:45:05,219 INFO L786 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 [2021-11-09 08:45:05,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2021-11-09 08:45:05,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 168. [2021-11-09 08:45:05,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 168 states, 150 states have (on average 1.5533333333333332) internal successors, (233), 167 states have internal predecessors, (233), 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) [2021-11-09 08:45:05,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 168 states and 233 transitions. [2021-11-09 08:45:05,238 INFO L78 Accepts]: Start accepts. Automaton has 168 states and 233 transitions. Word has length 31 [2021-11-09 08:45:05,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-09 08:45:05,238 INFO L470 AbstractCegarLoop]: Abstraction has 168 states and 233 transitions. [2021-11-09 08:45:05,239 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 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) [2021-11-09 08:45:05,239 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 233 transitions. [2021-11-09 08:45:05,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-09 08:45:05,241 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 08:45:05,242 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 08:45:05,242 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-09 08:45:05,242 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2021-11-09 08:45:05,243 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 08:45:05,244 INFO L85 PathProgramCache]: Analyzing trace with hash 561647682, now seen corresponding path program 1 times [2021-11-09 08:45:05,244 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 08:45:05,244 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1808357258] [2021-11-09 08:45:05,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 08:45:05,245 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 08:45:05,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 08:45:05,346 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-09 08:45:05,347 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 08:45:05,347 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1808357258] [2021-11-09 08:45:05,347 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1808357258] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 08:45:05,348 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 08:45:05,348 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-09 08:45:05,348 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [720172400] [2021-11-09 08:45:05,349 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-09 08:45:05,349 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 08:45:05,350 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-09 08:45:05,351 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-09 08:45:05,351 INFO L87 Difference]: Start difference. First operand 168 states and 233 transitions. Second operand has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 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) [2021-11-09 08:45:05,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 08:45:05,517 INFO L93 Difference]: Finished difference Result 347 states and 488 transitions. [2021-11-09 08:45:05,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-09 08:45:05,519 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 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 45 [2021-11-09 08:45:05,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-09 08:45:05,521 INFO L225 Difference]: With dead ends: 347 [2021-11-09 08:45:05,522 INFO L226 Difference]: Without dead ends: 189 [2021-11-09 08:45:05,523 INFO L786 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 [2021-11-09 08:45:05,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 189 states. [2021-11-09 08:45:05,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 189 to 185. [2021-11-09 08:45:05,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 185 states, 167 states have (on average 1.526946107784431) internal successors, (255), 184 states have internal predecessors, (255), 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) [2021-11-09 08:45:05,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 255 transitions. [2021-11-09 08:45:05,540 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 255 transitions. Word has length 45 [2021-11-09 08:45:05,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-09 08:45:05,541 INFO L470 AbstractCegarLoop]: Abstraction has 185 states and 255 transitions. [2021-11-09 08:45:05,541 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 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) [2021-11-09 08:45:05,542 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 255 transitions. [2021-11-09 08:45:05,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-11-09 08:45:05,544 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 08:45:05,545 INFO L513 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 08:45:05,545 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-09 08:45:05,545 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2021-11-09 08:45:05,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 08:45:05,546 INFO L85 PathProgramCache]: Analyzing trace with hash 2098176131, now seen corresponding path program 1 times [2021-11-09 08:45:05,547 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 08:45:05,547 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1079934938] [2021-11-09 08:45:05,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 08:45:05,548 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 08:45:05,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 08:45:05,712 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-09 08:45:05,712 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 08:45:05,714 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1079934938] [2021-11-09 08:45:05,715 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1079934938] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 08:45:05,715 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 08:45:05,715 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-09 08:45:05,715 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2063737730] [2021-11-09 08:45:05,716 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-09 08:45:05,717 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 08:45:05,717 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-09 08:45:05,718 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-09 08:45:05,718 INFO L87 Difference]: Start difference. First operand 185 states and 255 transitions. Second operand has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 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) [2021-11-09 08:45:05,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 08:45:05,931 INFO L93 Difference]: Finished difference Result 412 states and 587 transitions. [2021-11-09 08:45:05,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-09 08:45:05,932 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 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 62 [2021-11-09 08:45:05,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-09 08:45:05,935 INFO L225 Difference]: With dead ends: 412 [2021-11-09 08:45:05,935 INFO L226 Difference]: Without dead ends: 235 [2021-11-09 08:45:05,939 INFO L786 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 [2021-11-09 08:45:05,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 235 states. [2021-11-09 08:45:05,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 235 to 226. [2021-11-09 08:45:05,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 226 states, 208 states have (on average 1.4663461538461537) internal successors, (305), 225 states have internal predecessors, (305), 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) [2021-11-09 08:45:05,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 305 transitions. [2021-11-09 08:45:05,973 INFO L78 Accepts]: Start accepts. Automaton has 226 states and 305 transitions. Word has length 62 [2021-11-09 08:45:05,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-09 08:45:05,975 INFO L470 AbstractCegarLoop]: Abstraction has 226 states and 305 transitions. [2021-11-09 08:45:05,976 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 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) [2021-11-09 08:45:05,976 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 305 transitions. [2021-11-09 08:45:05,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-11-09 08:45:05,978 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 08:45:05,979 INFO L513 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 08:45:05,979 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-09 08:45:05,979 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2021-11-09 08:45:05,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 08:45:05,980 INFO L85 PathProgramCache]: Analyzing trace with hash 509828229, now seen corresponding path program 1 times [2021-11-09 08:45:05,980 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 08:45:05,981 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1605154659] [2021-11-09 08:45:05,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 08:45:05,981 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 08:45:06,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 08:45:06,067 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2021-11-09 08:45:06,067 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 08:45:06,068 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1605154659] [2021-11-09 08:45:06,068 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1605154659] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 08:45:06,068 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 08:45:06,068 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-09 08:45:06,068 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [334521496] [2021-11-09 08:45:06,069 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-09 08:45:06,069 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 08:45:06,070 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-09 08:45:06,070 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-09 08:45:06,071 INFO L87 Difference]: Start difference. First operand 226 states and 305 transitions. Second operand has 3 states, 2 states have (on average 20.0) internal successors, (40), 3 states have internal predecessors, (40), 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) [2021-11-09 08:45:06,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 08:45:06,084 INFO L93 Difference]: Finished difference Result 226 states and 305 transitions. [2021-11-09 08:45:06,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-09 08:45:06,085 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 20.0) internal successors, (40), 3 states have internal predecessors, (40), 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 62 [2021-11-09 08:45:06,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-09 08:45:06,087 INFO L225 Difference]: With dead ends: 226 [2021-11-09 08:45:06,087 INFO L226 Difference]: Without dead ends: 225 [2021-11-09 08:45:06,088 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-09 08:45:06,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 225 states. [2021-11-09 08:45:06,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 225 to 225. [2021-11-09 08:45:06,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 225 states, 208 states have (on average 1.4615384615384615) internal successors, (304), 224 states have internal predecessors, (304), 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) [2021-11-09 08:45:06,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 225 states and 304 transitions. [2021-11-09 08:45:06,100 INFO L78 Accepts]: Start accepts. Automaton has 225 states and 304 transitions. Word has length 62 [2021-11-09 08:45:06,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-09 08:45:06,101 INFO L470 AbstractCegarLoop]: Abstraction has 225 states and 304 transitions. [2021-11-09 08:45:06,101 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 20.0) internal successors, (40), 3 states have internal predecessors, (40), 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) [2021-11-09 08:45:06,101 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 304 transitions. [2021-11-09 08:45:06,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-09 08:45:06,104 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 08:45:06,105 INFO L513 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 08:45:06,105 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-09 08:45:06,105 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2021-11-09 08:45:06,106 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 08:45:06,106 INFO L85 PathProgramCache]: Analyzing trace with hash -1375193767, now seen corresponding path program 1 times [2021-11-09 08:45:06,106 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 08:45:06,107 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [643412825] [2021-11-09 08:45:06,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 08:45:06,107 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 08:45:06,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 08:45:06,183 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-09 08:45:06,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 08:45:06,290 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-09 08:45:06,291 INFO L627 BasicCegarLoop]: Counterexample is feasible [2021-11-09 08:45:06,292 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-11-09 08:45:06,295 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-11-09 08:45:06,295 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-11-09 08:45:06,295 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-11-09 08:45:06,296 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-11-09 08:45:06,296 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-11-09 08:45:06,296 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-11-09 08:45:06,297 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-11-09 08:45:06,297 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-11-09 08:45:06,297 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-11-09 08:45:06,298 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-11-09 08:45:06,298 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-11-09 08:45:06,298 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-11-09 08:45:06,299 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-11-09 08:45:06,299 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-11-09 08:45:06,299 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-11-09 08:45:06,299 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-11-09 08:45:06,300 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-11-09 08:45:06,300 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-09 08:45:06,304 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2021-11-09 08:45:06,308 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-09 08:45:06,418 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 08:45:06 BoogieIcfgContainer [2021-11-09 08:45:06,418 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-09 08:45:06,419 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-09 08:45:06,419 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-09 08:45:06,419 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-09 08:45:06,420 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 08:45:04" (3/4) ... [2021-11-09 08:45:06,424 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-09 08:45:06,424 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-09 08:45:06,427 INFO L168 Benchmark]: Toolchain (without parser) took 3940.40 ms. Allocated memory was 98.6 MB in the beginning and 130.0 MB in the end (delta: 31.5 MB). Free memory was 64.4 MB in the beginning and 84.5 MB in the end (delta: -20.1 MB). Peak memory consumption was 11.1 MB. Max. memory is 16.1 GB. [2021-11-09 08:45:06,428 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 98.6 MB. Free memory is still 51.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-09 08:45:06,429 INFO L168 Benchmark]: CACSL2BoogieTranslator took 465.10 ms. Allocated memory is still 98.6 MB. Free memory was 64.2 MB in the beginning and 69.3 MB in the end (delta: -5.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-11-09 08:45:06,429 INFO L168 Benchmark]: Boogie Procedure Inliner took 88.14 ms. Allocated memory is still 98.6 MB. Free memory was 69.3 MB in the beginning and 66.7 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-09 08:45:06,430 INFO L168 Benchmark]: Boogie Preprocessor took 63.73 ms. Allocated memory is still 98.6 MB. Free memory was 66.7 MB in the beginning and 64.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-09 08:45:06,431 INFO L168 Benchmark]: RCFGBuilder took 990.64 ms. Allocated memory was 98.6 MB in the beginning and 130.0 MB in the end (delta: 31.5 MB). Free memory was 64.6 MB in the beginning and 97.1 MB in the end (delta: -32.5 MB). Peak memory consumption was 27.1 MB. Max. memory is 16.1 GB. [2021-11-09 08:45:06,432 INFO L168 Benchmark]: TraceAbstraction took 2319.88 ms. Allocated memory is still 130.0 MB. Free memory was 97.1 MB in the beginning and 84.5 MB in the end (delta: 12.6 MB). Peak memory consumption was 11.7 MB. Max. memory is 16.1 GB. [2021-11-09 08:45:06,433 INFO L168 Benchmark]: Witness Printer took 5.76 ms. Allocated memory is still 130.0 MB. Free memory is still 84.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-09 08:45:06,437 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 98.6 MB. Free memory is still 51.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 465.10 ms. Allocated memory is still 98.6 MB. Free memory was 64.2 MB in the beginning and 69.3 MB in the end (delta: -5.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 88.14 ms. Allocated memory is still 98.6 MB. Free memory was 69.3 MB in the beginning and 66.7 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 63.73 ms. Allocated memory is still 98.6 MB. Free memory was 66.7 MB in the beginning and 64.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 990.64 ms. Allocated memory was 98.6 MB in the beginning and 130.0 MB in the end (delta: 31.5 MB). Free memory was 64.6 MB in the beginning and 97.1 MB in the end (delta: -32.5 MB). Peak memory consumption was 27.1 MB. Max. memory is 16.1 GB. * TraceAbstraction took 2319.88 ms. Allocated memory is still 130.0 MB. Free memory was 97.1 MB in the beginning and 84.5 MB in the end (delta: 12.6 MB). Peak memory consumption was 11.7 MB. Max. memory is 16.1 GB. * Witness Printer took 5.76 ms. Allocated memory is still 130.0 MB. Free memory is still 84.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 317]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseAnd at line 229. Possible FailurePath: [L638] int __retres1 ; [L19] int s__info_callback = __VERIFIER_nondet_int(); [L20] unsigned int s__in_handshake = __VERIFIER_nondet_uint(); [L21] int s__state ; [L22] int s__new_session ; [L23] int s__server ; [L24] int s__version = __VERIFIER_nondet_int(); [L25] int s__type ; [L26] int s__init_num ; [L27] int s__bbio = __VERIFIER_nondet_int(); [L28] int s__wbio = __VERIFIER_nondet_int(); [L29] int s__hit = __VERIFIER_nondet_int(); [L30] int s__rwstate ; [L31] int s__init_buf___0 = __VERIFIER_nondet_int(); [L32] int s__debug = __VERIFIER_nondet_int(); [L33] int s__shutdown ; [L34] int s__ctx__info_callback = __VERIFIER_nondet_int(); [L35] unsigned int s__ctx__stats__sess_connect_renegotiate = __VERIFIER_nondet_uint(); [L36] unsigned int s__ctx__stats__sess_connect = __VERIFIER_nondet_uint(); [L37] int s__ctx__stats__sess_hit = __VERIFIER_nondet_int(); [L38] int s__ctx__stats__sess_connect_good = __VERIFIER_nondet_int(); [L39] int s__s3__change_cipher_spec ; [L40] int s__s3__flags = __VERIFIER_nondet_int(); [L41] int s__s3__delay_buf_pop_ret ; [L42] int s__s3__tmp__cert_req = __VERIFIER_nondet_int(); [L43] int s__s3__tmp__new_compression = __VERIFIER_nondet_int(); [L44] int s__s3__tmp__reuse_message = __VERIFIER_nondet_int(); [L45] int s__s3__tmp__new_cipher = __VERIFIER_nondet_int(); [L46] int s__s3__tmp__new_cipher__algorithms = __VERIFIER_nondet_int(); [L47] int s__s3__tmp__next_state___0 ; [L48] int s__s3__tmp__new_compression__id = __VERIFIER_nondet_int(); [L49] int s__session__cipher ; [L50] int s__session__compress_meth ; [L51] int buf ; [L52] unsigned long tmp ; [L53] unsigned long l ; [L54] int num1 = __VERIFIER_nondet_int(); [L55] int cb ; [L56] int ret ; [L57] int new_state ; [L58] int state ; [L59] int skip ; [L60] int tmp___0 ; [L61] int tmp___1 ; [L62] int tmp___2 ; [L63] int tmp___3 ; [L64] int tmp___4 ; [L65] int tmp___5 ; [L66] int tmp___6 = __VERIFIER_nondet_int(); [L67] int tmp___7 = __VERIFIER_nondet_int(); [L68] int tmp___8 = __VERIFIER_nondet_int(); [L69] int tmp___9 = __VERIFIER_nondet_int(); [L70] int blastFlag ; [L71] int ag_X ; [L72] int ag_Y ; [L73] int ag_Z = __VERIFIER_nondet_int(); [L74] unsigned int ag_V ; [L75] unsigned int ag_W ; [L76] int __retres62 ; [L79] ag_V = 2U [L80] ag_W = 5U [L81] s__state = 12292 [L82] blastFlag = 0 [L83] tmp = __VERIFIER_nondet_int() [L84] cb = 0 [L85] ret = -1 [L86] skip = 0 [L87] tmp___0 = 0 [L88] COND TRUE s__info_callback != 0 [L89] cb = s__info_callback [L97] s__in_handshake = s__in_handshake + 1 [L98] tmp___1 = __VERIFIER_nondet_int() [L99] COND FALSE !(tmp___1 & 12288) [L110] COND TRUE 1 [L112] state = s__state [L113] COND TRUE s__state == 12292 [L216] s__new_session = 1 [L217] s__state = 4096 [L218] s__ctx__stats__sess_connect_renegotiate = s__ctx__stats__sess_connect_renegotiate + 1 [L223] s__server = 0 [L224] COND TRUE cb != 0 [L229] COND FALSE !((s__version & 65280) != 768) [L235] s__type = 4096 [L236] COND FALSE !(s__init_buf___0 == 0) [L255] tmp___4 = __VERIFIER_nondet_int() [L256] COND FALSE !(! tmp___4) [L262] tmp___5 = __VERIFIER_nondet_int() [L263] COND FALSE !(! tmp___5) [L269] s__state = 4368 [L270] s__ctx__stats__sess_connect = s__ctx__stats__sess_connect + 1 [L271] s__init_num = 0 [L587] COND FALSE !(! s__s3__tmp__reuse_message) [L616] skip = 0 [L110] COND TRUE 1 [L112] state = s__state [L113] COND FALSE !(s__state == 12292) [L116] COND FALSE !(s__state == 16384) [L119] COND FALSE !(s__state == 4096) [L122] COND FALSE !(s__state == 20480) [L125] COND FALSE !(s__state == 4099) [L128] COND TRUE s__state == 4368 [L275] s__shutdown = 0 [L276] ret = __VERIFIER_nondet_int() [L277] COND TRUE blastFlag == 0 [L278] blastFlag = 1 [L282] COND FALSE !(ret <= 0) [L287] s__state = 4384 [L288] s__init_num = 0 [L289] COND TRUE s__bbio != s__wbio [L587] COND FALSE !(! s__s3__tmp__reuse_message) [L616] skip = 0 [L110] COND TRUE 1 [L112] state = s__state [L113] COND FALSE !(s__state == 12292) [L116] COND FALSE !(s__state == 16384) [L119] COND FALSE !(s__state == 4096) [L122] COND FALSE !(s__state == 20480) [L125] COND FALSE !(s__state == 4099) [L128] COND FALSE !(s__state == 4368) [L131] COND FALSE !(s__state == 4369) [L134] COND TRUE s__state == 4384 [L297] ret = __VERIFIER_nondet_int() [L298] COND TRUE blastFlag == 1 [L299] blastFlag = 2 [L303] COND FALSE !(ret <= 0) [L308] COND FALSE !(\read(s__hit)) [L311] s__state = 4400 [L313] s__init_num = 0 [L587] COND FALSE !(! s__s3__tmp__reuse_message) [L616] skip = 0 [L110] COND TRUE 1 [L112] state = s__state [L113] COND FALSE !(s__state == 12292) [L116] COND FALSE !(s__state == 16384) [L119] COND FALSE !(s__state == 4096) [L122] COND FALSE !(s__state == 20480) [L125] COND FALSE !(s__state == 4099) [L128] COND FALSE !(s__state == 4368) [L131] COND FALSE !(s__state == 4369) [L134] COND FALSE !(s__state == 4384) [L137] COND FALSE !(s__state == 4385) [L140] COND TRUE s__state == 4400 [L317] s__s3__tmp__new_cipher__algorithms - 256 - UnprovableResult [Line: 317]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 389]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 389]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 389]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 389]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 475]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 475]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 478]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 478]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 480]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 480]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 527]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 527]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 535]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 535]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 540]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 540]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 161 locations, 18 error locations. Started 1 CEGAR loops. OverallTime: 2.1s, OverallIterations: 6, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 1068 SDtfs, 263 SDslu, 498 SDs, 0 SdLazy, 413 SolverSat, 51 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 14 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=226occurred in iteration=4, InterpolantAutomatonStates: 15, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 16 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 281 NumberOfCodeBlocks, 281 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 213 ConstructedInterpolants, 0 QuantifiedInterpolants, 421 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 101/101 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 could not prove your program: unable to determine feasibility of some traces [2021-11-09 08:45:06,504 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab56e47c-30d1-43f2-807f-a9b08496c90a/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis No suitable file found in config dir /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab56e47c-30d1-43f2-807f-a9b08496c90a/bin/uautomizer-IVEQpCNsaX/config using search string *Overflow*32bit*_Bitvector*.epf No suitable settings file found using Overflow*32bit*_Bitvector ERROR: UNSUPPORTED PROPERTY Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample