./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_add_21_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02dfd342-7852-4758-842d-699277e9a25c/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02dfd342-7852-4758-842d-699277e9a25c/bin/uautomizer-ug76WZFUDN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02dfd342-7852-4758-842d-699277e9a25c/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02dfd342-7852-4758-842d-699277e9a25c/bin/uautomizer-ug76WZFUDN/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_add_21_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02dfd342-7852-4758-842d-699277e9a25c/bin/uautomizer-ug76WZFUDN/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02dfd342-7852-4758-842d-699277e9a25c/bin/uautomizer-ug76WZFUDN --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 64bit --witnessprinter.graph.data.programhash d0533bcb6a780715e60e7b1c7cc5cb79dbe6b3b944a4d28ea807ecc2e39252f4 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 12:18:19,421 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 12:18:19,424 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 12:18:19,479 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 12:18:19,480 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 12:18:19,485 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 12:18:19,487 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 12:18:19,491 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 12:18:19,494 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 12:18:19,500 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 12:18:19,502 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 12:18:19,504 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 12:18:19,505 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 12:18:19,508 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 12:18:19,510 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 12:18:19,512 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 12:18:19,513 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 12:18:19,514 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 12:18:19,516 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 12:18:19,518 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 12:18:19,520 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 12:18:19,522 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 12:18:19,524 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 12:18:19,526 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 12:18:19,533 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 12:18:19,538 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 12:18:19,539 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 12:18:19,540 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 12:18:19,541 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 12:18:19,543 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 12:18:19,545 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 12:18:19,546 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 12:18:19,548 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 12:18:19,549 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 12:18:19,551 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 12:18:19,552 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 12:18:19,553 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 12:18:19,553 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 12:18:19,553 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 12:18:19,556 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 12:18:19,558 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 12:18:19,559 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02dfd342-7852-4758-842d-699277e9a25c/bin/uautomizer-ug76WZFUDN/config/svcomp-Overflow-64bit-Automizer_Default.epf [2022-11-20 12:18:19,598 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 12:18:19,599 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 12:18:19,600 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 12:18:19,600 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 12:18:19,601 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 12:18:19,601 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 12:18:19,603 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 12:18:19,603 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 12:18:19,603 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 12:18:19,604 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 12:18:19,605 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 12:18:19,605 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 12:18:19,605 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 12:18:19,606 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 12:18:19,606 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 12:18:19,606 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 12:18:19,606 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 12:18:19,607 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 12:18:19,607 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 12:18:19,607 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 12:18:19,607 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 12:18:19,607 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 12:18:19,608 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 12:18:19,608 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 12:18:19,608 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 12:18:19,608 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 12:18:19,609 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 12:18:19,609 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-20 12:18:19,609 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 12:18:19,609 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 12:18:19,609 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 12:18:19,610 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 12:18:19,610 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_02dfd342-7852-4758-842d-699277e9a25c/bin/uautomizer-ug76WZFUDN/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02dfd342-7852-4758-842d-699277e9a25c/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d0533bcb6a780715e60e7b1c7cc5cb79dbe6b3b944a4d28ea807ecc2e39252f4 [2022-11-20 12:18:19,956 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 12:18:20,003 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 12:18:20,007 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 12:18:20,008 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 12:18:20,009 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 12:18:20,011 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02dfd342-7852-4758-842d-699277e9a25c/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_add_21_good.i [2022-11-20 12:18:23,689 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 12:18:24,130 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 12:18:24,131 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02dfd342-7852-4758-842d-699277e9a25c/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_add_21_good.i [2022-11-20 12:18:24,172 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02dfd342-7852-4758-842d-699277e9a25c/bin/uautomizer-ug76WZFUDN/data/4c0835ffa/cb472155dd924b229c3e7019c2e0b73d/FLAG5cbc0fd87 [2022-11-20 12:18:24,193 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02dfd342-7852-4758-842d-699277e9a25c/bin/uautomizer-ug76WZFUDN/data/4c0835ffa/cb472155dd924b229c3e7019c2e0b73d [2022-11-20 12:18:24,199 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 12:18:24,202 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 12:18:24,206 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 12:18:24,206 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 12:18:24,213 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 12:18:24,214 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 12:18:24" (1/1) ... [2022-11-20 12:18:24,215 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56907923 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:18:24, skipping insertion in model container [2022-11-20 12:18:24,216 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 12:18:24" (1/1) ... [2022-11-20 12:18:24,225 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 12:18:24,299 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 12:18:24,772 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 12:18:25,434 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 12:18:25,446 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 12:18:25,472 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 12:18:25,594 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 12:18:25,809 INFO L208 MainTranslator]: Completed translation [2022-11-20 12:18:25,811 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:18:25 WrapperNode [2022-11-20 12:18:25,811 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 12:18:25,813 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 12:18:25,813 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 12:18:25,813 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 12:18:25,822 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:18:25" (1/1) ... [2022-11-20 12:18:25,881 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:18:25" (1/1) ... [2022-11-20 12:18:25,935 INFO L138 Inliner]: procedures = 505, calls = 68, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 110 [2022-11-20 12:18:25,942 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 12:18:25,943 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 12:18:25,943 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 12:18:25,943 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 12:18:25,955 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:18:25" (1/1) ... [2022-11-20 12:18:25,956 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:18:25" (1/1) ... [2022-11-20 12:18:25,978 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:18:25" (1/1) ... [2022-11-20 12:18:25,978 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:18:25" (1/1) ... [2022-11-20 12:18:25,987 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:18:25" (1/1) ... [2022-11-20 12:18:25,996 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:18:25" (1/1) ... [2022-11-20 12:18:26,000 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:18:25" (1/1) ... [2022-11-20 12:18:26,006 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:18:25" (1/1) ... [2022-11-20 12:18:26,024 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 12:18:26,025 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 12:18:26,026 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 12:18:26,026 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 12:18:26,028 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:18:25" (1/1) ... [2022-11-20 12:18:26,040 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 12:18:26,057 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02dfd342-7852-4758-842d-699277e9a25c/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:18:26,081 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02dfd342-7852-4758-842d-699277e9a25c/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 12:18:26,087 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02dfd342-7852-4758-842d-699277e9a25c/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 12:18:26,136 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-11-20 12:18:26,136 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-11-20 12:18:26,137 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-20 12:18:26,137 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-20 12:18:26,138 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 12:18:26,138 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 12:18:26,138 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 12:18:26,138 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-20 12:18:26,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 12:18:26,460 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 12:18:26,475 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 12:18:26,879 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 12:18:26,899 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 12:18:26,899 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-20 12:18:26,901 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:18:26 BoogieIcfgContainer [2022-11-20 12:18:26,902 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 12:18:26,905 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 12:18:26,905 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 12:18:26,909 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 12:18:26,909 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 12:18:24" (1/3) ... [2022-11-20 12:18:26,910 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@bf979e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 12:18:26, skipping insertion in model container [2022-11-20 12:18:26,910 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:18:25" (2/3) ... [2022-11-20 12:18:26,911 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@bf979e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 12:18:26, skipping insertion in model container [2022-11-20 12:18:26,911 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:18:26" (3/3) ... [2022-11-20 12:18:26,913 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_add_21_good.i [2022-11-20 12:18:26,937 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 12:18:26,937 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2022-11-20 12:18:27,012 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 12:18:27,019 INFO L357 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=PETRI_NET, 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@3cfe22d7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 12:18:27,020 INFO L358 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2022-11-20 12:18:27,025 INFO L276 IsEmpty]: Start isEmpty. Operand has 50 states, 33 states have (on average 1.4242424242424243) internal successors, (47), 44 states have internal predecessors, (47), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 5 states have call predecessors, (8), 8 states have call successors, (8) [2022-11-20 12:18:27,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-20 12:18:27,035 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:18:27,036 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:18:27,036 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-11-20 12:18:27,043 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:18:27,043 INFO L85 PathProgramCache]: Analyzing trace with hash -168397988, now seen corresponding path program 1 times [2022-11-20 12:18:27,056 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:18:27,057 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1025615583] [2022-11-20 12:18:27,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:18:27,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:18:27,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:18:27,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 12:18:27,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:18:27,499 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:18:27,500 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:18:27,500 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1025615583] [2022-11-20 12:18:27,501 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1025615583] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:18:27,501 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:18:27,502 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 12:18:27,504 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1110213398] [2022-11-20 12:18:27,505 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:18:27,510 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 12:18:27,511 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:18:27,545 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 12:18:27,551 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:18:27,554 INFO L87 Difference]: Start difference. First operand has 50 states, 33 states have (on average 1.4242424242424243) internal successors, (47), 44 states have internal predecessors, (47), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 5 states have call predecessors, (8), 8 states have call successors, (8) Second operand has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-20 12:18:27,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:18:27,623 INFO L93 Difference]: Finished difference Result 78 states and 98 transitions. [2022-11-20 12:18:27,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 12:18:27,626 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 13 [2022-11-20 12:18:27,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:18:27,638 INFO L225 Difference]: With dead ends: 78 [2022-11-20 12:18:27,638 INFO L226 Difference]: Without dead ends: 59 [2022-11-20 12:18:27,642 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:18:27,649 INFO L413 NwaCegarLoop]: 63 mSDtfsCounter, 30 mSDsluCounter, 55 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 118 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 12:18:27,656 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 118 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 12:18:27,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2022-11-20 12:18:27,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 40. [2022-11-20 12:18:27,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 27 states have (on average 1.4074074074074074) internal successors, (38), 35 states have internal predecessors, (38), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 3 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-20 12:18:27,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 50 transitions. [2022-11-20 12:18:27,703 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 50 transitions. Word has length 13 [2022-11-20 12:18:27,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:18:27,704 INFO L495 AbstractCegarLoop]: Abstraction has 40 states and 50 transitions. [2022-11-20 12:18:27,704 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-20 12:18:27,704 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 50 transitions. [2022-11-20 12:18:27,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-20 12:18:27,706 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:18:27,706 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:18:27,707 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-20 12:18:27,707 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-11-20 12:18:27,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:18:27,708 INFO L85 PathProgramCache]: Analyzing trace with hash -925370268, now seen corresponding path program 1 times [2022-11-20 12:18:27,709 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:18:27,709 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1176602415] [2022-11-20 12:18:27,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:18:27,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:18:27,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:18:28,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 12:18:28,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:18:28,026 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:18:28,026 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:18:28,027 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1176602415] [2022-11-20 12:18:28,027 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1176602415] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:18:28,027 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:18:28,028 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 12:18:28,028 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2113911022] [2022-11-20 12:18:28,028 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:18:28,030 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 12:18:28,030 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:18:28,031 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 12:18:28,031 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:18:28,032 INFO L87 Difference]: Start difference. First operand 40 states and 50 transitions. Second operand has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-20 12:18:28,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:18:28,048 INFO L93 Difference]: Finished difference Result 40 states and 50 transitions. [2022-11-20 12:18:28,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 12:18:28,049 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 14 [2022-11-20 12:18:28,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:18:28,050 INFO L225 Difference]: With dead ends: 40 [2022-11-20 12:18:28,051 INFO L226 Difference]: Without dead ends: 39 [2022-11-20 12:18:28,051 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:18:28,053 INFO L413 NwaCegarLoop]: 45 mSDtfsCounter, 22 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 63 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 12:18:28,054 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 63 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 12:18:28,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2022-11-20 12:18:28,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2022-11-20 12:18:28,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 27 states have (on average 1.3703703703703705) internal successors, (37), 34 states have internal predecessors, (37), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 3 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-20 12:18:28,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 49 transitions. [2022-11-20 12:18:28,065 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 49 transitions. Word has length 14 [2022-11-20 12:18:28,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:18:28,065 INFO L495 AbstractCegarLoop]: Abstraction has 39 states and 49 transitions. [2022-11-20 12:18:28,066 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-20 12:18:28,066 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 49 transitions. [2022-11-20 12:18:28,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-20 12:18:28,067 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:18:28,068 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:18:28,068 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-20 12:18:28,069 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-11-20 12:18:28,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:18:28,070 INFO L85 PathProgramCache]: Analyzing trace with hash -677212018, now seen corresponding path program 1 times [2022-11-20 12:18:28,070 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:18:28,070 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1438801189] [2022-11-20 12:18:28,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:18:28,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:18:28,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:18:28,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 12:18:28,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:18:28,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 12:18:28,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:18:28,165 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-20 12:18:28,165 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:18:28,166 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1438801189] [2022-11-20 12:18:28,166 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1438801189] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:18:28,166 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:18:28,166 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 12:18:28,167 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [381167712] [2022-11-20 12:18:28,167 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:18:28,168 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 12:18:28,168 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:18:28,168 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 12:18:28,169 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:18:28,169 INFO L87 Difference]: Start difference. First operand 39 states and 49 transitions. Second operand has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-20 12:18:28,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:18:28,185 INFO L93 Difference]: Finished difference Result 65 states and 78 transitions. [2022-11-20 12:18:28,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 12:18:28,186 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 23 [2022-11-20 12:18:28,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:18:28,188 INFO L225 Difference]: With dead ends: 65 [2022-11-20 12:18:28,188 INFO L226 Difference]: Without dead ends: 38 [2022-11-20 12:18:28,188 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:18:28,190 INFO L413 NwaCegarLoop]: 45 mSDtfsCounter, 44 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 45 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 12:18:28,191 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 45 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 12:18:28,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2022-11-20 12:18:28,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2022-11-20 12:18:28,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 27 states have (on average 1.3333333333333333) internal successors, (36), 33 states have internal predecessors, (36), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 3 states have call predecessors, (5), 5 states have call successors, (5) [2022-11-20 12:18:28,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 46 transitions. [2022-11-20 12:18:28,201 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 46 transitions. Word has length 23 [2022-11-20 12:18:28,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:18:28,202 INFO L495 AbstractCegarLoop]: Abstraction has 38 states and 46 transitions. [2022-11-20 12:18:28,202 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-20 12:18:28,202 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 46 transitions. [2022-11-20 12:18:28,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-20 12:18:28,204 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:18:28,204 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:18:28,204 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-20 12:18:28,205 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-11-20 12:18:28,205 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:18:28,205 INFO L85 PathProgramCache]: Analyzing trace with hash -1820048040, now seen corresponding path program 1 times [2022-11-20 12:18:28,206 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:18:28,206 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [313139659] [2022-11-20 12:18:28,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:18:28,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:18:28,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:18:28,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 12:18:28,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:18:28,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-20 12:18:28,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:18:28,297 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-20 12:18:28,298 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:18:28,298 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [313139659] [2022-11-20 12:18:28,298 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [313139659] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:18:28,298 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:18:28,299 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 12:18:28,299 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1307266094] [2022-11-20 12:18:28,299 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:18:28,300 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 12:18:28,300 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:18:28,301 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 12:18:28,301 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:18:28,301 INFO L87 Difference]: Start difference. First operand 38 states and 46 transitions. Second operand has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-20 12:18:28,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:18:28,329 INFO L93 Difference]: Finished difference Result 45 states and 52 transitions. [2022-11-20 12:18:28,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 12:18:28,330 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 24 [2022-11-20 12:18:28,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:18:28,332 INFO L225 Difference]: With dead ends: 45 [2022-11-20 12:18:28,332 INFO L226 Difference]: Without dead ends: 44 [2022-11-20 12:18:28,333 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:18:28,337 INFO L413 NwaCegarLoop]: 48 mSDtfsCounter, 9 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 86 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 12:18:28,338 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 86 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 12:18:28,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2022-11-20 12:18:28,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 37. [2022-11-20 12:18:28,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 27 states have (on average 1.2962962962962963) internal successors, (35), 32 states have internal predecessors, (35), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 3 states have call predecessors, (5), 5 states have call successors, (5) [2022-11-20 12:18:28,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 45 transitions. [2022-11-20 12:18:28,358 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 45 transitions. Word has length 24 [2022-11-20 12:18:28,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:18:28,359 INFO L495 AbstractCegarLoop]: Abstraction has 37 states and 45 transitions. [2022-11-20 12:18:28,359 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-20 12:18:28,360 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 45 transitions. [2022-11-20 12:18:28,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-20 12:18:28,361 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:18:28,361 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:18:28,361 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-20 12:18:28,362 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-11-20 12:18:28,362 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:18:28,362 INFO L85 PathProgramCache]: Analyzing trace with hash -586914303, now seen corresponding path program 1 times [2022-11-20 12:18:28,363 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:18:28,363 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1909129453] [2022-11-20 12:18:28,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:18:28,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:18:28,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:18:28,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 12:18:28,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:18:28,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-20 12:18:28,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:18:28,702 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-20 12:18:28,702 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:18:28,703 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1909129453] [2022-11-20 12:18:28,703 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1909129453] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:18:28,704 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:18:28,704 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 12:18:28,704 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1418512597] [2022-11-20 12:18:28,705 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:18:28,709 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 12:18:28,710 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:18:28,711 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 12:18:28,715 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:18:28,715 INFO L87 Difference]: Start difference. First operand 37 states and 45 transitions. Second operand has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-20 12:18:28,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:18:28,751 INFO L93 Difference]: Finished difference Result 37 states and 45 transitions. [2022-11-20 12:18:28,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 12:18:28,752 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 25 [2022-11-20 12:18:28,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:18:28,753 INFO L225 Difference]: With dead ends: 37 [2022-11-20 12:18:28,754 INFO L226 Difference]: Without dead ends: 36 [2022-11-20 12:18:28,755 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:18:28,759 INFO L413 NwaCegarLoop]: 40 mSDtfsCounter, 9 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 69 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 12:18:28,759 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 69 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 12:18:28,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2022-11-20 12:18:28,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36. [2022-11-20 12:18:28,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 27 states have (on average 1.2592592592592593) internal successors, (34), 31 states have internal predecessors, (34), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 3 states have call predecessors, (5), 5 states have call successors, (5) [2022-11-20 12:18:28,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 44 transitions. [2022-11-20 12:18:28,777 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 44 transitions. Word has length 25 [2022-11-20 12:18:28,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:18:28,778 INFO L495 AbstractCegarLoop]: Abstraction has 36 states and 44 transitions. [2022-11-20 12:18:28,778 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-20 12:18:28,778 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 44 transitions. [2022-11-20 12:18:28,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-20 12:18:28,782 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:18:28,782 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:18:28,782 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-20 12:18:28,783 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-11-20 12:18:28,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:18:28,784 INFO L85 PathProgramCache]: Analyzing trace with hash -1001144600, now seen corresponding path program 1 times [2022-11-20 12:18:28,784 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:18:28,784 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1791242120] [2022-11-20 12:18:28,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:18:28,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:18:28,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:18:28,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 12:18:28,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:18:28,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-20 12:18:28,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:18:28,893 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-20 12:18:28,895 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:18:28,895 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1791242120] [2022-11-20 12:18:28,896 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1791242120] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:18:28,896 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:18:28,897 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 12:18:28,897 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [13516745] [2022-11-20 12:18:28,897 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:18:28,898 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 12:18:28,898 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:18:28,899 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 12:18:28,900 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:18:28,901 INFO L87 Difference]: Start difference. First operand 36 states and 44 transitions. Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-20 12:18:28,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:18:28,936 INFO L93 Difference]: Finished difference Result 50 states and 56 transitions. [2022-11-20 12:18:28,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 12:18:28,937 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 26 [2022-11-20 12:18:28,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:18:28,940 INFO L225 Difference]: With dead ends: 50 [2022-11-20 12:18:28,942 INFO L226 Difference]: Without dead ends: 43 [2022-11-20 12:18:28,943 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:18:28,944 INFO L413 NwaCegarLoop]: 48 mSDtfsCounter, 21 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 74 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 12:18:28,948 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 74 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 12:18:28,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2022-11-20 12:18:28,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2022-11-20 12:18:28,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 32 states have (on average 1.21875) internal successors, (39), 35 states have internal predecessors, (39), 5 states have call successors, (5), 4 states have call predecessors, (5), 4 states have return successors, (5), 3 states have call predecessors, (5), 5 states have call successors, (5) [2022-11-20 12:18:28,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 49 transitions. [2022-11-20 12:18:28,971 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 49 transitions. Word has length 26 [2022-11-20 12:18:28,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:18:28,971 INFO L495 AbstractCegarLoop]: Abstraction has 43 states and 49 transitions. [2022-11-20 12:18:28,972 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-20 12:18:28,972 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 49 transitions. [2022-11-20 12:18:28,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-11-20 12:18:28,976 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:18:28,977 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:18:28,977 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-20 12:18:28,978 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-11-20 12:18:28,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:18:28,978 INFO L85 PathProgramCache]: Analyzing trace with hash 1001620357, now seen corresponding path program 1 times [2022-11-20 12:18:28,979 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:18:28,979 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1714284461] [2022-11-20 12:18:28,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:18:28,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:18:29,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:18:29,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 12:18:29,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:18:29,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-20 12:18:29,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:18:29,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-20 12:18:29,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:18:29,178 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-20 12:18:29,178 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:18:29,178 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1714284461] [2022-11-20 12:18:29,179 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1714284461] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:18:29,179 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:18:29,179 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 12:18:29,179 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [21732752] [2022-11-20 12:18:29,180 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:18:29,180 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 12:18:29,181 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:18:29,181 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 12:18:29,182 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:18:29,182 INFO L87 Difference]: Start difference. First operand 43 states and 49 transitions. Second operand has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-20 12:18:29,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:18:29,202 INFO L93 Difference]: Finished difference Result 43 states and 49 transitions. [2022-11-20 12:18:29,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 12:18:29,203 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 32 [2022-11-20 12:18:29,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:18:29,206 INFO L225 Difference]: With dead ends: 43 [2022-11-20 12:18:29,206 INFO L226 Difference]: Without dead ends: 0 [2022-11-20 12:18:29,208 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:18:29,212 INFO L413 NwaCegarLoop]: 40 mSDtfsCounter, 1 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 78 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 12:18:29,215 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 78 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 12:18:29,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-20 12:18:29,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-20 12:18:29,216 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) [2022-11-20 12:18:29,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-20 12:18:29,217 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 32 [2022-11-20 12:18:29,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:18:29,218 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-20 12:18:29,218 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-20 12:18:29,218 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-20 12:18:29,218 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-20 12:18:29,221 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 6 remaining) [2022-11-20 12:18:29,223 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 6 remaining) [2022-11-20 12:18:29,225 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 6 remaining) [2022-11-20 12:18:29,225 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 6 remaining) [2022-11-20 12:18:29,225 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 6 remaining) [2022-11-20 12:18:29,226 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 6 remaining) [2022-11-20 12:18:29,227 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-20 12:18:29,234 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-20 12:18:29,326 INFO L902 garLoopResultBuilder]: At program point printLineENTRY(lines 1412 1418) the Hoare annotation is: true [2022-11-20 12:18:29,327 INFO L899 garLoopResultBuilder]: For program point printLineEXIT(lines 1412 1418) no Hoare annotation was computed. [2022-11-20 12:18:29,327 INFO L899 garLoopResultBuilder]: For program point L1414(lines 1414 1417) no Hoare annotation was computed. [2022-11-20 12:18:29,327 INFO L899 garLoopResultBuilder]: For program point L1414-2(lines 1412 1418) no Hoare annotation was computed. [2022-11-20 12:18:29,327 INFO L899 garLoopResultBuilder]: For program point printIntLineEXIT(lines 1426 1429) no Hoare annotation was computed. [2022-11-20 12:18:29,329 INFO L902 garLoopResultBuilder]: At program point printIntLineENTRY(lines 1426 1429) the Hoare annotation is: true [2022-11-20 12:18:29,330 INFO L899 garLoopResultBuilder]: For program point printIntLineFINAL(lines 1426 1429) no Hoare annotation was computed. [2022-11-20 12:18:29,330 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1584) no Hoare annotation was computed. [2022-11-20 12:18:29,330 INFO L899 garLoopResultBuilder]: For program point L1559(lines 1559 1567) no Hoare annotation was computed. [2022-11-20 12:18:29,337 INFO L895 garLoopResultBuilder]: At program point L1555(line 1555) the Hoare annotation is: false [2022-11-20 12:18:29,338 INFO L899 garLoopResultBuilder]: For program point L1584(line 1584) no Hoare annotation was computed. [2022-11-20 12:18:29,338 INFO L899 garLoopResultBuilder]: For program point L1584-1(line 1584) no Hoare annotation was computed. [2022-11-20 12:18:29,338 INFO L899 garLoopResultBuilder]: For program point L1580(lines 1580 1591) no Hoare annotation was computed. [2022-11-20 12:18:29,339 INFO L899 garLoopResultBuilder]: For program point L1601(lines 1601 1610) no Hoare annotation was computed. [2022-11-20 12:18:29,340 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-20 12:18:29,340 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1561) no Hoare annotation was computed. [2022-11-20 12:18:29,340 INFO L902 garLoopResultBuilder]: At program point L1630(line 1630) the Hoare annotation is: true [2022-11-20 12:18:29,340 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-20 12:18:29,341 INFO L899 garLoopResultBuilder]: For program point L1597(line 1597) no Hoare annotation was computed. [2022-11-20 12:18:29,342 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1606) no Hoare annotation was computed. [2022-11-20 12:18:29,342 INFO L899 garLoopResultBuilder]: For program point L1630-1(line 1630) no Hoare annotation was computed. [2022-11-20 12:18:29,342 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-20 12:18:29,342 INFO L899 garLoopResultBuilder]: For program point L1597-2(line 1597) no Hoare annotation was computed. [2022-11-20 12:18:29,343 INFO L899 garLoopResultBuilder]: For program point L1593(lines 1593 1600) no Hoare annotation was computed. [2022-11-20 12:18:29,343 INFO L895 garLoopResultBuilder]: At program point L1589(line 1589) the Hoare annotation is: (and (= ~goodB2G2Static~0 1) (<= 0 (+ |ULTIMATE.start_goodB2G2Sink_~data#1| 2147483648)) (<= 0 (+ 2147483648 |ULTIMATE.start_goodB2G1Sink_~data#1|)) (= ~goodB2G1Static~0 0)) [2022-11-20 12:18:29,343 INFO L895 garLoopResultBuilder]: At program point L1585(line 1585) the Hoare annotation is: (and (= ~goodB2G2Static~0 1) (<= 0 (+ |ULTIMATE.start_goodB2G2Sink_~data#1| 2147483648)) (<= 0 (+ 2147483648 |ULTIMATE.start_goodB2G1Sink_~data#1|)) (<= |ULTIMATE.start_goodB2G2Sink_~data#1| 2147483646) (= ~goodB2G1Static~0 0)) [2022-11-20 12:18:29,344 INFO L899 garLoopResultBuilder]: For program point L1606(line 1606) no Hoare annotation was computed. [2022-11-20 12:18:29,344 INFO L899 garLoopResultBuilder]: For program point L1606-1(line 1606) no Hoare annotation was computed. [2022-11-20 12:18:29,344 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1561) no Hoare annotation was computed. [2022-11-20 12:18:29,344 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-20 12:18:29,345 INFO L902 garLoopResultBuilder]: At program point L1631(lines 1625 1632) the Hoare annotation is: true [2022-11-20 12:18:29,345 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1606) no Hoare annotation was computed. [2022-11-20 12:18:29,345 INFO L899 garLoopResultBuilder]: For program point L1561(line 1561) no Hoare annotation was computed. [2022-11-20 12:18:29,345 INFO L899 garLoopResultBuilder]: For program point L1561-1(line 1561) no Hoare annotation was computed. [2022-11-20 12:18:29,346 INFO L899 garLoopResultBuilder]: For program point L1619(lines 1619 1624) no Hoare annotation was computed. [2022-11-20 12:18:29,346 INFO L899 garLoopResultBuilder]: For program point L1553(lines 1553 1568) no Hoare annotation was computed. [2022-11-20 12:18:29,346 INFO L899 garLoopResultBuilder]: For program point L1582(lines 1582 1590) no Hoare annotation was computed. [2022-11-20 12:18:29,346 INFO L899 garLoopResultBuilder]: For program point L1611(lines 1611 1618) no Hoare annotation was computed. [2022-11-20 12:18:29,346 INFO L899 garLoopResultBuilder]: For program point L1578(lines 1578 1592) no Hoare annotation was computed. [2022-11-20 12:18:29,347 INFO L902 garLoopResultBuilder]: At program point L1607(line 1607) the Hoare annotation is: true [2022-11-20 12:18:29,347 INFO L899 garLoopResultBuilder]: For program point L1574(line 1574) no Hoare annotation was computed. [2022-11-20 12:18:29,347 INFO L899 garLoopResultBuilder]: For program point L1574-2(line 1574) no Hoare annotation was computed. [2022-11-20 12:18:29,347 INFO L899 garLoopResultBuilder]: For program point L1603(lines 1603 1609) no Hoare annotation was computed. [2022-11-20 12:18:29,347 INFO L899 garLoopResultBuilder]: For program point L1570(lines 1570 1577) no Hoare annotation was computed. [2022-11-20 12:18:29,348 INFO L895 garLoopResultBuilder]: At program point L1566(line 1566) the Hoare annotation is: (and (<= 0 (+ 2147483648 |ULTIMATE.start_goodB2G1Sink_~data#1|)) (= ~goodB2G1Static~0 0)) [2022-11-20 12:18:29,348 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1584) no Hoare annotation was computed. [2022-11-20 12:18:29,348 INFO L899 garLoopResultBuilder]: For program point L1566-1(lines 1553 1568) no Hoare annotation was computed. [2022-11-20 12:18:29,348 INFO L895 garLoopResultBuilder]: At program point L1628(line 1628) the Hoare annotation is: (= ~goodB2G1Static~0 0) [2022-11-20 12:18:29,348 INFO L899 garLoopResultBuilder]: For program point L1628-1(line 1628) no Hoare annotation was computed. [2022-11-20 12:18:29,349 INFO L895 garLoopResultBuilder]: At program point L1562(line 1562) the Hoare annotation is: (and (<= |ULTIMATE.start_goodB2G1Sink_~data#1| 2147483646) (<= 0 (+ 2147483648 |ULTIMATE.start_goodB2G1Sink_~data#1|)) (= ~goodB2G1Static~0 0)) [2022-11-20 12:18:29,353 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:18:29,357 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-20 12:18:29,368 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 12:18:29 BoogieIcfgContainer [2022-11-20 12:18:29,368 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-20 12:18:29,369 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 12:18:29,369 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 12:18:29,369 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 12:18:29,370 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:18:26" (3/4) ... [2022-11-20 12:18:29,373 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-20 12:18:29,381 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-11-20 12:18:29,382 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-11-20 12:18:29,390 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2022-11-20 12:18:29,391 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2022-11-20 12:18:29,391 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-20 12:18:29,392 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 12:18:29,465 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02dfd342-7852-4758-842d-699277e9a25c/bin/uautomizer-ug76WZFUDN/witness.graphml [2022-11-20 12:18:29,466 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 12:18:29,467 INFO L158 Benchmark]: Toolchain (without parser) took 5264.66ms. Allocated memory was 144.7MB in the beginning and 201.3MB in the end (delta: 56.6MB). Free memory was 96.2MB in the beginning and 105.8MB in the end (delta: -9.5MB). Peak memory consumption was 49.0MB. Max. memory is 16.1GB. [2022-11-20 12:18:29,467 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 144.7MB. Free memory is still 87.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 12:18:29,468 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1606.07ms. Allocated memory was 144.7MB in the beginning and 201.3MB in the end (delta: 56.6MB). Free memory was 95.8MB in the beginning and 132.2MB in the end (delta: -36.4MB). Peak memory consumption was 41.6MB. Max. memory is 16.1GB. [2022-11-20 12:18:29,468 INFO L158 Benchmark]: Boogie Procedure Inliner took 129.74ms. Allocated memory is still 201.3MB. Free memory was 132.2MB in the beginning and 128.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-20 12:18:29,469 INFO L158 Benchmark]: Boogie Preprocessor took 81.73ms. Allocated memory is still 201.3MB. Free memory was 128.0MB in the beginning and 125.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 12:18:29,469 INFO L158 Benchmark]: RCFGBuilder took 876.38ms. Allocated memory is still 201.3MB. Free memory was 125.9MB in the beginning and 108.0MB in the end (delta: 17.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-20 12:18:29,469 INFO L158 Benchmark]: TraceAbstraction took 2463.50ms. Allocated memory is still 201.3MB. Free memory was 107.0MB in the beginning and 110.0MB in the end (delta: -2.9MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 12:18:29,470 INFO L158 Benchmark]: Witness Printer took 96.99ms. Allocated memory is still 201.3MB. Free memory was 110.0MB in the beginning and 105.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-20 12:18:29,473 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 144.7MB. Free memory is still 87.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1606.07ms. Allocated memory was 144.7MB in the beginning and 201.3MB in the end (delta: 56.6MB). Free memory was 95.8MB in the beginning and 132.2MB in the end (delta: -36.4MB). Peak memory consumption was 41.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 129.74ms. Allocated memory is still 201.3MB. Free memory was 132.2MB in the beginning and 128.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 81.73ms. Allocated memory is still 201.3MB. Free memory was 128.0MB in the beginning and 125.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 876.38ms. Allocated memory is still 201.3MB. Free memory was 125.9MB in the beginning and 108.0MB in the end (delta: 17.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 2463.50ms. Allocated memory is still 201.3MB. Free memory was 107.0MB in the beginning and 110.0MB in the end (delta: -2.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 96.99ms. Allocated memory is still 201.3MB. Free memory was 110.0MB in the beginning and 105.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * 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 - PositiveResult [Line: 1561]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1561]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1584]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1584]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1606]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1606]: 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 3 procedures, 50 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 2.4s, OverallIterations: 7, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 149 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 136 mSDsluCounter, 533 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 204 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 22 IncrementalHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 329 mSDtfsCounter, 22 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 42 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=50occurred in iteration=0, InterpolantAutomatonStates: 21, 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, 7 MinimizatonAttempts, 26 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 11 LocationsWithAnnotation, 21 PreInvPairs, 26 NumberOfFragments, 67 HoareAnnotationTreeSize, 21 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 11 FomulaSimplificationsInter, 30 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 157 NumberOfCodeBlocks, 157 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 150 ConstructedInterpolants, 0 QuantifiedInterpolants, 194 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 28/28 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 6 specifications checked. All of them hold - InvariantResult [Line: 1625]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-11-20 12:18:29,520 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02dfd342-7852-4758-842d-699277e9a25c/bin/uautomizer-ug76WZFUDN/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 Writing output log to file Ultimate.log Result: TRUE