./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_09_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_5dd1b14e-83cc-4713-89dd-401e680eca18/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dd1b14e-83cc-4713-89dd-401e680eca18/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_5dd1b14e-83cc-4713-89dd-401e680eca18/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dd1b14e-83cc-4713-89dd-401e680eca18/bin/uautomizer-ug76WZFUDN/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_09_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dd1b14e-83cc-4713-89dd-401e680eca18/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_5dd1b14e-83cc-4713-89dd-401e680eca18/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 f64f79fc3dc2361c451e6ea9a53c23f696bcf973e7b8c84d124d8bc2943353f9 --- 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 10:38:08,498 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 10:38:08,500 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 10:38:08,526 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 10:38:08,529 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 10:38:08,533 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 10:38:08,536 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 10:38:08,539 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 10:38:08,541 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 10:38:08,547 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 10:38:08,549 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 10:38:08,552 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 10:38:08,553 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 10:38:08,556 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 10:38:08,558 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 10:38:08,561 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 10:38:08,563 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 10:38:08,564 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 10:38:08,574 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 10:38:08,581 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 10:38:08,583 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 10:38:08,585 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 10:38:08,587 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 10:38:08,588 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 10:38:08,597 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 10:38:08,598 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 10:38:08,598 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 10:38:08,600 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 10:38:08,601 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 10:38:08,602 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 10:38:08,603 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 10:38:08,603 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 10:38:08,605 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 10:38:08,607 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 10:38:08,621 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 10:38:08,622 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 10:38:08,623 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 10:38:08,623 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 10:38:08,623 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 10:38:08,625 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 10:38:08,626 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 10:38:08,627 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dd1b14e-83cc-4713-89dd-401e680eca18/bin/uautomizer-ug76WZFUDN/config/svcomp-Overflow-64bit-Automizer_Default.epf [2022-11-20 10:38:08,663 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 10:38:08,667 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 10:38:08,668 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 10:38:08,668 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 10:38:08,669 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 10:38:08,669 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 10:38:08,670 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 10:38:08,670 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 10:38:08,671 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 10:38:08,671 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 10:38:08,672 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 10:38:08,672 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 10:38:08,673 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 10:38:08,673 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 10:38:08,673 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 10:38:08,673 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 10:38:08,674 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 10:38:08,674 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 10:38:08,674 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 10:38:08,674 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 10:38:08,675 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 10:38:08,675 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 10:38:08,675 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 10:38:08,676 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 10:38:08,676 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 10:38:08,676 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 10:38:08,676 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 10:38:08,677 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-20 10:38:08,677 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 10:38:08,678 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 10:38:08,678 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 10:38:08,678 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 10:38:08,679 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_5dd1b14e-83cc-4713-89dd-401e680eca18/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dd1b14e-83cc-4713-89dd-401e680eca18/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f64f79fc3dc2361c451e6ea9a53c23f696bcf973e7b8c84d124d8bc2943353f9 [2022-11-20 10:38:09,042 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 10:38:09,079 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 10:38:09,082 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 10:38:09,084 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 10:38:09,084 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 10:38:09,085 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dd1b14e-83cc-4713-89dd-401e680eca18/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_09_good.i [2022-11-20 10:38:12,223 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 10:38:12,612 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 10:38:12,614 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dd1b14e-83cc-4713-89dd-401e680eca18/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_09_good.i [2022-11-20 10:38:12,644 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dd1b14e-83cc-4713-89dd-401e680eca18/bin/uautomizer-ug76WZFUDN/data/8fa5b1f85/a6a0b58737f1452fbed912d31f5629d9/FLAG062b08ab1 [2022-11-20 10:38:12,662 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dd1b14e-83cc-4713-89dd-401e680eca18/bin/uautomizer-ug76WZFUDN/data/8fa5b1f85/a6a0b58737f1452fbed912d31f5629d9 [2022-11-20 10:38:12,664 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 10:38:12,666 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 10:38:12,667 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 10:38:12,668 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 10:38:12,671 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 10:38:12,672 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:38:12" (1/1) ... [2022-11-20 10:38:12,674 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f47348 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:38:12, skipping insertion in model container [2022-11-20 10:38:12,674 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:38:12" (1/1) ... [2022-11-20 10:38:12,682 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 10:38:12,744 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 10:38:13,156 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 10:38:13,715 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 10:38:13,731 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 10:38:13,765 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 10:38:13,853 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 10:38:14,053 INFO L208 MainTranslator]: Completed translation [2022-11-20 10:38:14,053 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:38:14 WrapperNode [2022-11-20 10:38:14,054 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 10:38:14,055 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 10:38:14,055 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 10:38:14,055 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 10:38:14,062 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:38:14" (1/1) ... [2022-11-20 10:38:14,083 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:38:14" (1/1) ... [2022-11-20 10:38:14,106 INFO L138 Inliner]: procedures = 503, calls = 85, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 111 [2022-11-20 10:38:14,107 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 10:38:14,108 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 10:38:14,108 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 10:38:14,108 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 10:38:14,117 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:38:14" (1/1) ... [2022-11-20 10:38:14,118 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:38:14" (1/1) ... [2022-11-20 10:38:14,125 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:38:14" (1/1) ... [2022-11-20 10:38:14,135 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:38:14" (1/1) ... [2022-11-20 10:38:14,140 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:38:14" (1/1) ... [2022-11-20 10:38:14,142 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:38:14" (1/1) ... [2022-11-20 10:38:14,159 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:38:14" (1/1) ... [2022-11-20 10:38:14,160 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:38:14" (1/1) ... [2022-11-20 10:38:14,162 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 10:38:14,163 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 10:38:14,163 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 10:38:14,163 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 10:38:14,164 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:38:14" (1/1) ... [2022-11-20 10:38:14,170 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 10:38:14,187 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dd1b14e-83cc-4713-89dd-401e680eca18/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:38:14,204 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dd1b14e-83cc-4713-89dd-401e680eca18/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 10:38:14,233 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dd1b14e-83cc-4713-89dd-401e680eca18/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 10:38:14,251 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-11-20 10:38:14,251 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-11-20 10:38:14,251 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-20 10:38:14,251 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-20 10:38:14,252 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 10:38:14,252 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-20 10:38:14,252 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 10:38:14,252 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 10:38:14,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 10:38:14,254 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 10:38:14,254 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-20 10:38:14,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 10:38:14,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 10:38:14,473 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 10:38:14,481 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 10:38:14,707 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 10:38:14,714 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 10:38:14,714 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-20 10:38:14,716 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:38:14 BoogieIcfgContainer [2022-11-20 10:38:14,717 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 10:38:14,719 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 10:38:14,719 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 10:38:14,722 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 10:38:14,722 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 10:38:12" (1/3) ... [2022-11-20 10:38:14,723 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78011c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 10:38:14, skipping insertion in model container [2022-11-20 10:38:14,723 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:38:14" (2/3) ... [2022-11-20 10:38:14,724 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78011c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 10:38:14, skipping insertion in model container [2022-11-20 10:38:14,724 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:38:14" (3/3) ... [2022-11-20 10:38:14,725 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_fscanf_postdec_09_good.i [2022-11-20 10:38:14,742 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 10:38:14,742 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2022-11-20 10:38:14,793 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 10:38:14,800 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;@530ce4ac, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 10:38:14,800 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2022-11-20 10:38:14,804 INFO L276 IsEmpty]: Start isEmpty. Operand has 57 states, 36 states have (on average 1.5277777777777777) internal successors, (55), 51 states have internal predecessors, (55), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 7 states have call predecessors, (10), 10 states have call successors, (10) [2022-11-20 10:38:14,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-20 10:38:14,812 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:38:14,813 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:38:14,813 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-20 10:38:14,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:38:14,820 INFO L85 PathProgramCache]: Analyzing trace with hash 2010894524, now seen corresponding path program 1 times [2022-11-20 10:38:14,831 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:38:14,831 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [298318511] [2022-11-20 10:38:14,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:38:14,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:38:14,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:38:15,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 10:38:15,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:38:15,477 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 10:38:15,478 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:38:15,482 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [298318511] [2022-11-20 10:38:15,483 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [298318511] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:38:15,483 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:38:15,484 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-20 10:38:15,485 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [356197589] [2022-11-20 10:38:15,488 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:38:15,492 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-20 10:38:15,493 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:38:15,520 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-20 10:38:15,521 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-20 10:38:15,523 INFO L87 Difference]: Start difference. First operand has 57 states, 36 states have (on average 1.5277777777777777) internal successors, (55), 51 states have internal predecessors, (55), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 7 states have call predecessors, (10), 10 states have call successors, (10) Second operand has 5 states, 4 states have (on average 2.5) internal successors, (10), 5 states have internal predecessors, (10), 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 10:38:15,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:38:15,663 INFO L93 Difference]: Finished difference Result 57 states and 75 transitions. [2022-11-20 10:38:15,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-20 10:38:15,665 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.5) internal successors, (10), 5 states have internal predecessors, (10), 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 12 [2022-11-20 10:38:15,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:38:15,675 INFO L225 Difference]: With dead ends: 57 [2022-11-20 10:38:15,675 INFO L226 Difference]: Without dead ends: 48 [2022-11-20 10:38:15,678 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-11-20 10:38:15,681 INFO L413 NwaCegarLoop]: 66 mSDtfsCounter, 9 mSDsluCounter, 169 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 235 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 10:38:15,682 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 235 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-20 10:38:15,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2022-11-20 10:38:15,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2022-11-20 10:38:15,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 31 states have (on average 1.5161290322580645) internal successors, (47), 43 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 10:38:15,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 63 transitions. [2022-11-20 10:38:15,726 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 63 transitions. Word has length 12 [2022-11-20 10:38:15,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:38:15,728 INFO L495 AbstractCegarLoop]: Abstraction has 48 states and 63 transitions. [2022-11-20 10:38:15,728 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.5) internal successors, (10), 5 states have internal predecessors, (10), 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 10:38:15,728 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 63 transitions. [2022-11-20 10:38:15,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-20 10:38:15,730 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:38:15,730 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:38:15,731 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-20 10:38:15,731 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-20 10:38:15,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:38:15,732 INFO L85 PathProgramCache]: Analyzing trace with hash -2086779133, now seen corresponding path program 1 times [2022-11-20 10:38:15,732 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:38:15,733 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [13240819] [2022-11-20 10:38:15,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:38:15,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:38:15,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:38:15,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 10:38:15,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:38:15,860 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 10:38:15,874 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:38:15,874 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [13240819] [2022-11-20 10:38:15,875 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [13240819] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:38:15,875 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:38:15,875 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 10:38:15,876 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1222908564] [2022-11-20 10:38:15,876 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:38:15,877 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 10:38:15,877 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:38:15,878 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 10:38:15,878 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 10:38:15,879 INFO L87 Difference]: Start difference. First operand 48 states and 63 transitions. Second operand has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 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 10:38:15,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:38:15,940 INFO L93 Difference]: Finished difference Result 48 states and 63 transitions. [2022-11-20 10:38:15,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 10:38:15,940 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 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 10:38:15,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:38:15,942 INFO L225 Difference]: With dead ends: 48 [2022-11-20 10:38:15,945 INFO L226 Difference]: Without dead ends: 47 [2022-11-20 10:38:15,946 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 10:38:15,947 INFO L413 NwaCegarLoop]: 58 mSDtfsCounter, 0 mSDsluCounter, 105 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 163 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 10:38:15,948 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 163 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 10:38:15,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2022-11-20 10:38:15,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2022-11-20 10:38:15,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 31 states have (on average 1.4838709677419355) internal successors, (46), 42 states have internal predecessors, (46), 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 10:38:15,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 62 transitions. [2022-11-20 10:38:15,958 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 62 transitions. Word has length 13 [2022-11-20 10:38:15,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:38:15,959 INFO L495 AbstractCegarLoop]: Abstraction has 47 states and 62 transitions. [2022-11-20 10:38:15,959 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 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 10:38:15,959 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 62 transitions. [2022-11-20 10:38:15,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-20 10:38:15,960 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:38:15,961 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:38:15,961 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-20 10:38:15,961 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-20 10:38:15,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:38:15,962 INFO L85 PathProgramCache]: Analyzing trace with hash 1588397300, now seen corresponding path program 1 times [2022-11-20 10:38:15,962 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:38:15,963 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [873276003] [2022-11-20 10:38:15,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:38:15,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:38:15,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:38:16,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 10:38:16,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:38:16,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-20 10:38:16,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:38:16,064 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 10:38:16,064 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:38:16,065 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [873276003] [2022-11-20 10:38:16,065 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [873276003] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:38:16,065 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:38:16,065 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 10:38:16,065 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1697995495] [2022-11-20 10:38:16,066 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:38:16,066 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:38:16,066 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:38:16,067 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:38:16,067 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:38:16,067 INFO L87 Difference]: Start difference. First operand 47 states and 62 transitions. Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 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 10:38:16,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:38:16,090 INFO L93 Difference]: Finished difference Result 81 states and 103 transitions. [2022-11-20 10:38:16,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:38:16,091 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 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 21 [2022-11-20 10:38:16,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:38:16,092 INFO L225 Difference]: With dead ends: 81 [2022-11-20 10:38:16,092 INFO L226 Difference]: Without dead ends: 45 [2022-11-20 10:38:16,093 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 10:38:16,094 INFO L413 NwaCegarLoop]: 54 mSDtfsCounter, 51 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 54 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 10:38:16,095 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 54 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 10:38:16,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2022-11-20 10:38:16,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2022-11-20 10:38:16,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 31 states have (on average 1.4193548387096775) internal successors, (44), 40 states have internal predecessors, (44), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-20 10:38:16,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 56 transitions. [2022-11-20 10:38:16,108 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 56 transitions. Word has length 21 [2022-11-20 10:38:16,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:38:16,108 INFO L495 AbstractCegarLoop]: Abstraction has 45 states and 56 transitions. [2022-11-20 10:38:16,108 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 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 10:38:16,109 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 56 transitions. [2022-11-20 10:38:16,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-20 10:38:16,110 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:38:16,110 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:38:16,110 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-20 10:38:16,110 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-20 10:38:16,111 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:38:16,111 INFO L85 PathProgramCache]: Analyzing trace with hash 1768789131, now seen corresponding path program 1 times [2022-11-20 10:38:16,111 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:38:16,112 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1098757685] [2022-11-20 10:38:16,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:38:16,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:38:16,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:38:16,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 10:38:16,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:38:16,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 10:38:16,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:38:16,308 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 10:38:16,309 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:38:16,309 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1098757685] [2022-11-20 10:38:16,309 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1098757685] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:38:16,309 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:38:16,309 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-20 10:38:16,310 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [694819736] [2022-11-20 10:38:16,310 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:38:16,310 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-20 10:38:16,310 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:38:16,311 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-20 10:38:16,311 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-20 10:38:16,312 INFO L87 Difference]: Start difference. First operand 45 states and 56 transitions. Second operand has 5 states, 4 states have (on average 3.75) internal successors, (15), 5 states have internal predecessors, (15), 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 10:38:16,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:38:16,396 INFO L93 Difference]: Finished difference Result 45 states and 56 transitions. [2022-11-20 10:38:16,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-20 10:38:16,396 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.75) internal successors, (15), 5 states have internal predecessors, (15), 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 22 [2022-11-20 10:38:16,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:38:16,398 INFO L225 Difference]: With dead ends: 45 [2022-11-20 10:38:16,398 INFO L226 Difference]: Without dead ends: 44 [2022-11-20 10:38:16,398 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-11-20 10:38:16,400 INFO L413 NwaCegarLoop]: 47 mSDtfsCounter, 9 mSDsluCounter, 116 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 163 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 10:38:16,400 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 163 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-20 10:38:16,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2022-11-20 10:38:16,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2022-11-20 10:38:16,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 31 states have (on average 1.3870967741935485) internal successors, (43), 39 states have internal predecessors, (43), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-20 10:38:16,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 55 transitions. [2022-11-20 10:38:16,409 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 55 transitions. Word has length 22 [2022-11-20 10:38:16,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:38:16,409 INFO L495 AbstractCegarLoop]: Abstraction has 44 states and 55 transitions. [2022-11-20 10:38:16,409 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.75) internal successors, (15), 5 states have internal predecessors, (15), 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 10:38:16,409 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 55 transitions. [2022-11-20 10:38:16,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-20 10:38:16,410 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:38:16,410 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 10:38:16,411 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-20 10:38:16,411 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-20 10:38:16,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:38:16,412 INFO L85 PathProgramCache]: Analyzing trace with hash -1002111700, now seen corresponding path program 1 times [2022-11-20 10:38:16,412 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:38:16,412 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1753772525] [2022-11-20 10:38:16,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:38:16,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:38:16,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:38:16,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 10:38:16,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:38:16,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 10:38:16,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:38:16,527 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 10:38:16,528 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:38:16,528 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1753772525] [2022-11-20 10:38:16,528 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1753772525] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:38:16,528 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:38:16,528 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 10:38:16,529 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1344773287] [2022-11-20 10:38:16,529 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:38:16,529 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 10:38:16,529 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:38:16,530 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 10:38:16,530 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 10:38:16,530 INFO L87 Difference]: Start difference. First operand 44 states and 55 transitions. Second operand has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 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 10:38:16,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:38:16,564 INFO L93 Difference]: Finished difference Result 44 states and 55 transitions. [2022-11-20 10:38:16,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 10:38:16,564 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 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 23 [2022-11-20 10:38:16,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:38:16,565 INFO L225 Difference]: With dead ends: 44 [2022-11-20 10:38:16,566 INFO L226 Difference]: Without dead ends: 43 [2022-11-20 10:38:16,566 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 10:38:16,567 INFO L413 NwaCegarLoop]: 50 mSDtfsCounter, 0 mSDsluCounter, 89 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 139 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 10:38:16,568 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 139 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 10:38:16,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2022-11-20 10:38:16,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2022-11-20 10:38:16,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 31 states have (on average 1.3548387096774193) internal successors, (42), 38 states have internal predecessors, (42), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-20 10:38:16,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 54 transitions. [2022-11-20 10:38:16,575 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 54 transitions. Word has length 23 [2022-11-20 10:38:16,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:38:16,576 INFO L495 AbstractCegarLoop]: Abstraction has 43 states and 54 transitions. [2022-11-20 10:38:16,576 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 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 10:38:16,576 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 54 transitions. [2022-11-20 10:38:16,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-20 10:38:16,577 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:38:16,577 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 10:38:16,577 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-20 10:38:16,578 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-20 10:38:16,578 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:38:16,578 INFO L85 PathProgramCache]: Analyzing trace with hash -543448431, now seen corresponding path program 1 times [2022-11-20 10:38:16,578 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:38:16,579 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1240558789] [2022-11-20 10:38:16,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:38:16,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:38:16,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:38:16,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 10:38:16,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:38:16,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 10:38:16,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:38:16,640 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 10:38:16,640 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:38:16,640 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1240558789] [2022-11-20 10:38:16,641 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1240558789] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:38:16,641 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:38:16,641 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 10:38:16,641 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1151795465] [2022-11-20 10:38:16,641 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:38:16,642 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:38:16,642 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:38:16,643 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:38:16,643 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:38:16,644 INFO L87 Difference]: Start difference. First operand 43 states and 54 transitions. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 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 10:38:16,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:38:16,677 INFO L93 Difference]: Finished difference Result 81 states and 101 transitions. [2022-11-20 10:38:16,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:38:16,677 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 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 25 [2022-11-20 10:38:16,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:38:16,678 INFO L225 Difference]: With dead ends: 81 [2022-11-20 10:38:16,678 INFO L226 Difference]: Without dead ends: 43 [2022-11-20 10:38:16,679 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 10:38:16,680 INFO L413 NwaCegarLoop]: 43 mSDtfsCounter, 41 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 43 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 10:38:16,680 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 43 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 10:38:16,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2022-11-20 10:38:16,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2022-11-20 10:38:16,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 31 states have (on average 1.1935483870967742) internal successors, (37), 36 states have internal predecessors, (37), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-20 10:38:16,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 49 transitions. [2022-11-20 10:38:16,687 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 49 transitions. Word has length 25 [2022-11-20 10:38:16,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:38:16,687 INFO L495 AbstractCegarLoop]: Abstraction has 43 states and 49 transitions. [2022-11-20 10:38:16,687 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 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 10:38:16,687 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 49 transitions. [2022-11-20 10:38:16,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-11-20 10:38:16,688 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:38:16,688 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] [2022-11-20 10:38:16,689 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-20 10:38:16,689 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-20 10:38:16,689 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:38:16,690 INFO L85 PathProgramCache]: Analyzing trace with hash 1708122856, now seen corresponding path program 1 times [2022-11-20 10:38:16,690 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:38:16,690 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [614077401] [2022-11-20 10:38:16,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:38:16,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:38:16,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:38:16,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 10:38:16,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:38:16,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 10:38:16,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:38:16,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-20 10:38:16,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:38:16,818 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 10:38:16,819 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:38:16,819 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [614077401] [2022-11-20 10:38:16,819 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [614077401] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:38:16,819 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:38:16,819 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 10:38:16,820 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [363761086] [2022-11-20 10:38:16,820 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:38:16,820 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 10:38:16,820 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:38:16,821 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 10:38:16,821 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 10:38:16,821 INFO L87 Difference]: Start difference. First operand 43 states and 49 transitions. Second operand has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 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 10:38:16,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:38:16,854 INFO L93 Difference]: Finished difference Result 43 states and 49 transitions. [2022-11-20 10:38:16,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 10:38:16,855 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 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 31 [2022-11-20 10:38:16,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:38:16,857 INFO L225 Difference]: With dead ends: 43 [2022-11-20 10:38:16,858 INFO L226 Difference]: Without dead ends: 42 [2022-11-20 10:38:16,858 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-20 10:38:16,863 INFO L413 NwaCegarLoop]: 44 mSDtfsCounter, 11 mSDsluCounter, 78 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 122 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 10:38:16,863 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 122 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 10:38:16,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2022-11-20 10:38:16,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2022-11-20 10:38:16,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 31 states have (on average 1.1612903225806452) internal successors, (36), 35 states have internal predecessors, (36), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-20 10:38:16,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 48 transitions. [2022-11-20 10:38:16,876 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 48 transitions. Word has length 31 [2022-11-20 10:38:16,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:38:16,876 INFO L495 AbstractCegarLoop]: Abstraction has 42 states and 48 transitions. [2022-11-20 10:38:16,876 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 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 10:38:16,876 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 48 transitions. [2022-11-20 10:38:16,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-11-20 10:38:16,877 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:38:16,877 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 10:38:16,878 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-20 10:38:16,878 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-20 10:38:16,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:38:16,878 INFO L85 PathProgramCache]: Analyzing trace with hash 1412201096, now seen corresponding path program 1 times [2022-11-20 10:38:16,879 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:38:16,879 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1518784282] [2022-11-20 10:38:16,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:38:16,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:38:16,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:38:16,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 10:38:16,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:38:16,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 10:38:16,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:38:16,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-20 10:38:16,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:38:17,003 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 10:38:17,003 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:38:17,005 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1518784282] [2022-11-20 10:38:17,005 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1518784282] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:38:17,005 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:38:17,006 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 10:38:17,006 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [132769921] [2022-11-20 10:38:17,006 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:38:17,006 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 10:38:17,006 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:38:17,007 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 10:38:17,008 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 10:38:17,008 INFO L87 Difference]: Start difference. First operand 42 states and 48 transitions. Second operand has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 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 10:38:17,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:38:17,033 INFO L93 Difference]: Finished difference Result 42 states and 48 transitions. [2022-11-20 10:38:17,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 10:38:17,034 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 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 10:38:17,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:38:17,037 INFO L225 Difference]: With dead ends: 42 [2022-11-20 10:38:17,037 INFO L226 Difference]: Without dead ends: 41 [2022-11-20 10:38:17,038 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-20 10:38:17,041 INFO L413 NwaCegarLoop]: 44 mSDtfsCounter, 2 mSDsluCounter, 85 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 129 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 10:38:17,042 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 129 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 10:38:17,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2022-11-20 10:38:17,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2022-11-20 10:38:17,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 31 states have (on average 1.1290322580645162) internal successors, (35), 34 states have internal predecessors, (35), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-20 10:38:17,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 47 transitions. [2022-11-20 10:38:17,062 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 47 transitions. Word has length 32 [2022-11-20 10:38:17,063 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:38:17,063 INFO L495 AbstractCegarLoop]: Abstraction has 41 states and 47 transitions. [2022-11-20 10:38:17,064 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 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 10:38:17,064 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 47 transitions. [2022-11-20 10:38:17,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-11-20 10:38:17,065 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:38:17,065 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, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:38:17,065 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-20 10:38:17,065 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-20 10:38:17,066 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:38:17,066 INFO L85 PathProgramCache]: Analyzing trace with hash -1540798867, now seen corresponding path program 1 times [2022-11-20 10:38:17,066 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:38:17,066 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [417540513] [2022-11-20 10:38:17,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:38:17,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:38:17,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:38:17,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 10:38:17,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:38:17,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 10:38:17,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:38:17,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-20 10:38:17,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:38:17,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-20 10:38:17,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:38:17,188 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 10:38:17,188 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:38:17,188 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [417540513] [2022-11-20 10:38:17,188 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [417540513] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:38:17,189 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:38:17,189 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 10:38:17,190 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1456014898] [2022-11-20 10:38:17,190 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:38:17,191 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 10:38:17,191 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:38:17,192 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 10:38:17,192 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 10:38:17,193 INFO L87 Difference]: Start difference. First operand 41 states and 47 transitions. Second operand has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-11-20 10:38:17,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:38:17,212 INFO L93 Difference]: Finished difference Result 41 states and 47 transitions. [2022-11-20 10:38:17,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 10:38:17,213 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 40 [2022-11-20 10:38:17,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:38:17,216 INFO L225 Difference]: With dead ends: 41 [2022-11-20 10:38:17,216 INFO L226 Difference]: Without dead ends: 40 [2022-11-20 10:38:17,217 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-20 10:38:17,220 INFO L413 NwaCegarLoop]: 43 mSDtfsCounter, 5 mSDsluCounter, 83 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 126 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 10:38:17,220 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 126 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 10:38:17,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2022-11-20 10:38:17,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2022-11-20 10:38:17,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 31 states have (on average 1.096774193548387) internal successors, (34), 33 states have internal predecessors, (34), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-20 10:38:17,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 46 transitions. [2022-11-20 10:38:17,227 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 46 transitions. Word has length 40 [2022-11-20 10:38:17,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:38:17,228 INFO L495 AbstractCegarLoop]: Abstraction has 40 states and 46 transitions. [2022-11-20 10:38:17,228 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-11-20 10:38:17,228 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 46 transitions. [2022-11-20 10:38:17,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-11-20 10:38:17,229 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:38:17,229 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:38:17,230 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-20 10:38:17,230 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-20 10:38:17,230 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:38:17,231 INFO L85 PathProgramCache]: Analyzing trace with hash -520124491, now seen corresponding path program 1 times [2022-11-20 10:38:17,231 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:38:17,231 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1448843893] [2022-11-20 10:38:17,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:38:17,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:38:17,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:38:17,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 10:38:17,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:38:17,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 10:38:17,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:38:17,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-20 10:38:17,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:38:17,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-20 10:38:17,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:38:17,355 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 10:38:17,355 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:38:17,355 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1448843893] [2022-11-20 10:38:17,355 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1448843893] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:38:17,356 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:38:17,356 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 10:38:17,356 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [620445140] [2022-11-20 10:38:17,356 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:38:17,357 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 10:38:17,358 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:38:17,360 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 10:38:17,363 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 10:38:17,364 INFO L87 Difference]: Start difference. First operand 40 states and 46 transitions. Second operand has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-11-20 10:38:17,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:38:17,383 INFO L93 Difference]: Finished difference Result 40 states and 46 transitions. [2022-11-20 10:38:17,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 10:38:17,384 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 41 [2022-11-20 10:38:17,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:38:17,385 INFO L225 Difference]: With dead ends: 40 [2022-11-20 10:38:17,387 INFO L226 Difference]: Without dead ends: 0 [2022-11-20 10:38:17,387 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-20 10:38:17,388 INFO L413 NwaCegarLoop]: 43 mSDtfsCounter, 2 mSDsluCounter, 83 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 126 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 10:38:17,389 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 126 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 10:38:17,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-20 10:38:17,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-20 10:38:17,391 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 10:38:17,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-20 10:38:17,392 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 41 [2022-11-20 10:38:17,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:38:17,392 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-20 10:38:17,392 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-11-20 10:38:17,392 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-20 10:38:17,392 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-20 10:38:17,395 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 8 remaining) [2022-11-20 10:38:17,396 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 8 remaining) [2022-11-20 10:38:17,396 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining) [2022-11-20 10:38:17,396 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2022-11-20 10:38:17,396 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2022-11-20 10:38:17,397 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2022-11-20 10:38:17,397 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2022-11-20 10:38:17,397 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2022-11-20 10:38:17,397 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-20 10:38:17,400 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-20 10:38:17,463 INFO L902 garLoopResultBuilder]: At program point printLineENTRY(lines 1412 1418) the Hoare annotation is: true [2022-11-20 10:38:17,464 INFO L899 garLoopResultBuilder]: For program point printLineEXIT(lines 1412 1418) no Hoare annotation was computed. [2022-11-20 10:38:17,464 INFO L899 garLoopResultBuilder]: For program point L1414(lines 1414 1417) no Hoare annotation was computed. [2022-11-20 10:38:17,464 INFO L899 garLoopResultBuilder]: For program point L1414-2(lines 1412 1418) no Hoare annotation was computed. [2022-11-20 10:38:17,464 INFO L899 garLoopResultBuilder]: For program point printIntLineEXIT(lines 1426 1429) no Hoare annotation was computed. [2022-11-20 10:38:17,465 INFO L902 garLoopResultBuilder]: At program point printIntLineENTRY(lines 1426 1429) the Hoare annotation is: true [2022-11-20 10:38:17,465 INFO L899 garLoopResultBuilder]: For program point printIntLineFINAL(lines 1426 1429) no Hoare annotation was computed. [2022-11-20 10:38:17,465 INFO L899 garLoopResultBuilder]: For program point L1600(lines 1600 1607) no Hoare annotation was computed. [2022-11-20 10:38:17,466 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1586) no Hoare annotation was computed. [2022-11-20 10:38:17,466 INFO L899 garLoopResultBuilder]: For program point L1600-1(lines 1597 1616) no Hoare annotation was computed. [2022-11-20 10:38:17,467 INFO L899 garLoopResultBuilder]: For program point L1596(lines 1596 1616) no Hoare annotation was computed. [2022-11-20 10:38:17,467 INFO L895 garLoopResultBuilder]: At program point L1592(line 1592) the Hoare annotation is: (and (= ~GLOBAL_CONST_FALSE~0 0) (not (= ~GLOBAL_CONST_TRUE~0 0)) (<= (select (select |#memory_int| |ULTIMATE.start_goodB2G2_~#data~1#1.base|) |ULTIMATE.start_goodB2G2_~#data~1#1.offset|) 2147483647)) [2022-11-20 10:38:17,467 INFO L899 garLoopResultBuilder]: For program point L1621(lines 1621 1624) no Hoare annotation was computed. [2022-11-20 10:38:17,468 INFO L895 garLoopResultBuilder]: At program point L1588(line 1588) the Hoare annotation is: (and (= ~GLOBAL_CONST_FALSE~0 0) (not (= ~GLOBAL_CONST_TRUE~0 0)) (<= (select (select |#memory_int| |ULTIMATE.start_goodB2G2_~#data~1#1.base|) |ULTIMATE.start_goodB2G2_~#data~1#1.offset|) 2147483647)) [2022-11-20 10:38:17,468 INFO L899 garLoopResultBuilder]: For program point L1621-2(lines 1618 1633) no Hoare annotation was computed. [2022-11-20 10:38:17,469 INFO L899 garLoopResultBuilder]: For program point L1617(lines 1617 1633) no Hoare annotation was computed. [2022-11-20 10:38:17,469 INFO L899 garLoopResultBuilder]: For program point L1584(lines 1584 1593) no Hoare annotation was computed. [2022-11-20 10:38:17,469 INFO L902 garLoopResultBuilder]: At program point L1646(line 1646) the Hoare annotation is: true [2022-11-20 10:38:17,469 INFO L895 garLoopResultBuilder]: At program point L1613(line 1613) the Hoare annotation is: (and (= ~GLOBAL_CONST_FALSE~0 0) (not (= ~GLOBAL_CONST_TRUE~0 0)) (<= (+ 2 |ULTIMATE.start_goodG2B1_~data~2#1|) 0)) [2022-11-20 10:38:17,470 INFO L899 garLoopResultBuilder]: For program point L1646-1(line 1646) no Hoare annotation was computed. [2022-11-20 10:38:17,470 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1628) no Hoare annotation was computed. [2022-11-20 10:38:17,470 INFO L899 garLoopResultBuilder]: For program point L1634(lines 1634 1640) no Hoare annotation was computed. [2022-11-20 10:38:17,470 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-20 10:38:17,470 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1564) no Hoare annotation was computed. [2022-11-20 10:38:17,471 INFO L902 garLoopResultBuilder]: At program point L1630(line 1630) the Hoare annotation is: true [2022-11-20 10:38:17,471 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-20 10:38:17,471 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1611) no Hoare annotation was computed. [2022-11-20 10:38:17,471 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-20 10:38:17,471 INFO L899 garLoopResultBuilder]: For program point L1564(line 1564) no Hoare annotation was computed. [2022-11-20 10:38:17,471 INFO L899 garLoopResultBuilder]: For program point L1564-1(line 1564) no Hoare annotation was computed. [2022-11-20 10:38:17,471 INFO L899 garLoopResultBuilder]: For program point L1552(lines 1552 1555) no Hoare annotation was computed. [2022-11-20 10:38:17,472 INFO L902 garLoopResultBuilder]: At program point L1647(lines 1641 1648) the Hoare annotation is: true [2022-11-20 10:38:17,472 INFO L899 garLoopResultBuilder]: For program point L1552-2(lines 1549 1573) no Hoare annotation was computed. [2022-11-20 10:38:17,472 INFO L899 garLoopResultBuilder]: For program point L1548(lines 1548 1573) no Hoare annotation was computed. [2022-11-20 10:38:17,472 INFO L895 garLoopResultBuilder]: At program point L1602(line 1602) the Hoare annotation is: false [2022-11-20 10:38:17,472 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1564) no Hoare annotation was computed. [2022-11-20 10:38:17,472 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-20 10:38:17,473 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1611) no Hoare annotation was computed. [2022-11-20 10:38:17,473 INFO L899 garLoopResultBuilder]: For program point L1586(line 1586) no Hoare annotation was computed. [2022-11-20 10:38:17,473 INFO L899 garLoopResultBuilder]: For program point L1586-1(line 1586) no Hoare annotation was computed. [2022-11-20 10:38:17,473 INFO L899 garLoopResultBuilder]: For program point L1582(lines 1582 1594) no Hoare annotation was computed. [2022-11-20 10:38:17,473 INFO L895 garLoopResultBuilder]: At program point L1644(line 1644) the Hoare annotation is: (and (= ~GLOBAL_CONST_FALSE~0 0) (not (= ~GLOBAL_CONST_TRUE~0 0))) [2022-11-20 10:38:17,473 INFO L899 garLoopResultBuilder]: For program point L1644-1(line 1644) no Hoare annotation was computed. [2022-11-20 10:38:17,474 INFO L899 garLoopResultBuilder]: For program point L1611(line 1611) no Hoare annotation was computed. [2022-11-20 10:38:17,474 INFO L899 garLoopResultBuilder]: For program point L1578(lines 1578 1581) no Hoare annotation was computed. [2022-11-20 10:38:17,474 INFO L899 garLoopResultBuilder]: For program point L1611-1(line 1611) no Hoare annotation was computed. [2022-11-20 10:38:17,474 INFO L899 garLoopResultBuilder]: For program point L1578-2(lines 1575 1595) no Hoare annotation was computed. [2022-11-20 10:38:17,474 INFO L899 garLoopResultBuilder]: For program point L1574(lines 1574 1595) no Hoare annotation was computed. [2022-11-20 10:38:17,475 INFO L895 garLoopResultBuilder]: At program point L1570(line 1570) the Hoare annotation is: (and (= ~GLOBAL_CONST_FALSE~0 0) (not (= ~GLOBAL_CONST_TRUE~0 0)) (<= (select (select |#memory_int| |ULTIMATE.start_goodB2G1_~#data~0#1.base|) |ULTIMATE.start_goodB2G1_~#data~0#1.offset|) 2147483647)) [2022-11-20 10:38:17,475 INFO L899 garLoopResultBuilder]: For program point L1570-1(lines 1556 1572) no Hoare annotation was computed. [2022-11-20 10:38:17,475 INFO L895 garLoopResultBuilder]: At program point L1566(line 1566) the Hoare annotation is: (and (= ~GLOBAL_CONST_FALSE~0 0) (not (= ~GLOBAL_CONST_TRUE~0 0)) (<= (select (select |#memory_int| |ULTIMATE.start_goodB2G1_~#data~0#1.base|) |ULTIMATE.start_goodB2G1_~#data~0#1.offset|) 2147483647)) [2022-11-20 10:38:17,475 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1586) no Hoare annotation was computed. [2022-11-20 10:38:17,475 INFO L899 garLoopResultBuilder]: For program point L1628(line 1628) no Hoare annotation was computed. [2022-11-20 10:38:17,476 INFO L899 garLoopResultBuilder]: For program point L1628-1(line 1628) no Hoare annotation was computed. [2022-11-20 10:38:17,476 INFO L899 garLoopResultBuilder]: For program point L1562(lines 1562 1571) no Hoare annotation was computed. [2022-11-20 10:38:17,477 INFO L895 garLoopResultBuilder]: At program point L1558(line 1558) the Hoare annotation is: false [2022-11-20 10:38:17,477 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1628) no Hoare annotation was computed. [2022-11-20 10:38:17,480 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:38:17,483 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-20 10:38:17,491 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 10:38:17 BoogieIcfgContainer [2022-11-20 10:38:17,492 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-20 10:38:17,492 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 10:38:17,492 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 10:38:17,492 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 10:38:17,493 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:38:14" (3/4) ... [2022-11-20 10:38:17,496 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-20 10:38:17,503 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-11-20 10:38:17,503 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-11-20 10:38:17,511 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2022-11-20 10:38:17,511 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-11-20 10:38:17,511 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-20 10:38:17,512 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 10:38:17,581 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dd1b14e-83cc-4713-89dd-401e680eca18/bin/uautomizer-ug76WZFUDN/witness.graphml [2022-11-20 10:38:17,581 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 10:38:17,582 INFO L158 Benchmark]: Toolchain (without parser) took 4916.29ms. Allocated memory was 155.2MB in the beginning and 186.6MB in the end (delta: 31.5MB). Free memory was 118.8MB in the beginning and 139.4MB in the end (delta: -20.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-20 10:38:17,582 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 119.5MB. Free memory is still 91.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 10:38:17,583 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1386.71ms. Allocated memory is still 155.2MB. Free memory was 118.8MB in the beginning and 105.7MB in the end (delta: 13.1MB). Peak memory consumption was 54.5MB. Max. memory is 16.1GB. [2022-11-20 10:38:17,583 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.45ms. Allocated memory is still 155.2MB. Free memory was 105.7MB in the beginning and 102.7MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 10:38:17,586 INFO L158 Benchmark]: Boogie Preprocessor took 54.99ms. Allocated memory is still 155.2MB. Free memory was 102.7MB in the beginning and 101.6MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 10:38:17,586 INFO L158 Benchmark]: RCFGBuilder took 553.57ms. Allocated memory is still 155.2MB. Free memory was 101.6MB in the beginning and 84.8MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-20 10:38:17,587 INFO L158 Benchmark]: TraceAbstraction took 2773.14ms. Allocated memory was 155.2MB in the beginning and 186.6MB in the end (delta: 31.5MB). Free memory was 84.8MB in the beginning and 142.5MB in the end (delta: -57.7MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 10:38:17,587 INFO L158 Benchmark]: Witness Printer took 89.40ms. Allocated memory is still 186.6MB. Free memory was 142.5MB in the beginning and 139.4MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-20 10:38:17,588 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 119.5MB. Free memory is still 91.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1386.71ms. Allocated memory is still 155.2MB. Free memory was 118.8MB in the beginning and 105.7MB in the end (delta: 13.1MB). Peak memory consumption was 54.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 52.45ms. Allocated memory is still 155.2MB. Free memory was 105.7MB in the beginning and 102.7MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 54.99ms. Allocated memory is still 155.2MB. Free memory was 102.7MB in the beginning and 101.6MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 553.57ms. Allocated memory is still 155.2MB. Free memory was 101.6MB in the beginning and 84.8MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 2773.14ms. Allocated memory was 155.2MB in the beginning and 186.6MB in the end (delta: 31.5MB). Free memory was 84.8MB in the beginning and 142.5MB in the end (delta: -57.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 89.40ms. Allocated memory is still 186.6MB. Free memory was 142.5MB in the beginning and 139.4MB in the end (delta: 3.1MB). 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: 1564]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1564]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1586]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1586]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1611]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1611]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1628]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1628]: 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, 57 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 2.7s, OverallIterations: 10, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 136 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 130 mSDsluCounter, 1300 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 808 mSDsCounter, 13 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 154 IncrementalHoareTripleChecker+Invalid, 167 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 13 mSolverCounterUnsat, 492 mSDtfsCounter, 154 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 85 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=57occurred in iteration=0, InterpolantAutomatonStates: 40, 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, 10 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 13 LocationsWithAnnotation, 29 PreInvPairs, 34 NumberOfFragments, 88 HoareAnnotationTreeSize, 29 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 13 FomulaSimplificationsInter, 30 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 260 NumberOfCodeBlocks, 260 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 250 ConstructedInterpolants, 0 QuantifiedInterpolants, 385 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 64/64 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 8 specifications checked. All of them hold - InvariantResult [Line: 1641]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-11-20 10:38:17,627 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dd1b14e-83cc-4713-89dd-401e680eca18/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