./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_multiply_08_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 9bd2c7ff 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_b5e9011a-85f2-42b5-9852-22e4ab73fbb6/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5e9011a-85f2-42b5-9852-22e4ab73fbb6/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5e9011a-85f2-42b5-9852-22e4ab73fbb6/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5e9011a-85f2-42b5-9852-22e4ab73fbb6/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_multiply_08_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5e9011a-85f2-42b5-9852-22e4ab73fbb6/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5e9011a-85f2-42b5-9852-22e4ab73fbb6/bin/uautomizer-verify-uCwYo4JHxu --witnessprinter.witness.filename witness --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 a9c94ff3f7a4cc7959f300c80b9f2b63e79e2db35d5e30d3783ff95bcb9ac78c --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:53:53,090 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:53:53,211 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5e9011a-85f2-42b5-9852-22e4ab73fbb6/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Overflow-64bit-Automizer_Default.epf [2023-11-19 07:53:53,216 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:53:53,222 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:53:53,261 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:53:53,262 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:53:53,263 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:53:53,264 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 07:53:53,269 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 07:53:53,271 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:53:53,271 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:53:53,272 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:53:53,274 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:53:53,274 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 07:53:53,275 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 07:53:53,275 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:53:53,276 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 07:53:53,276 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 07:53:53,277 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 07:53:53,277 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 07:53:53,278 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 07:53:53,278 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:53:53,279 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:53:53,280 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:53:53,280 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:53:53,281 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 07:53:53,281 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:53:53,282 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:53:53,283 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 07:53:53,284 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 07:53:53,284 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 07:53:53,285 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 07:53:53,285 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 07:53:53,285 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 07:53:53,286 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 07:53:53,286 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 07:53:53,286 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 07:53:53,287 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_b5e9011a-85f2-42b5-9852-22e4ab73fbb6/bin/uautomizer-verify-uCwYo4JHxu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5e9011a-85f2-42b5-9852-22e4ab73fbb6/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a9c94ff3f7a4cc7959f300c80b9f2b63e79e2db35d5e30d3783ff95bcb9ac78c [2023-11-19 07:53:53,605 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:53:53,626 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:53:53,629 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:53:53,631 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:53:53,631 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:53:53,633 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5e9011a-85f2-42b5-9852-22e4ab73fbb6/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_multiply_08_good.i [2023-11-19 07:53:56,707 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:53:57,167 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:53:57,168 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5e9011a-85f2-42b5-9852-22e4ab73fbb6/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_multiply_08_good.i [2023-11-19 07:53:57,227 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5e9011a-85f2-42b5-9852-22e4ab73fbb6/bin/uautomizer-verify-uCwYo4JHxu/data/13067d001/9f5b9a9a699a495696ecedc371c1f351/FLAG3423caf4f [2023-11-19 07:53:57,242 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5e9011a-85f2-42b5-9852-22e4ab73fbb6/bin/uautomizer-verify-uCwYo4JHxu/data/13067d001/9f5b9a9a699a495696ecedc371c1f351 [2023-11-19 07:53:57,248 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:53:57,250 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:53:57,253 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:53:57,253 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:53:57,258 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:53:57,259 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:53:57" (1/1) ... [2023-11-19 07:53:57,260 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f176fd0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:53:57, skipping insertion in model container [2023-11-19 07:53:57,260 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:53:57" (1/1) ... [2023-11-19 07:53:57,337 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:53:57,761 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 07:53:58,333 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:53:58,344 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:53:58,365 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 07:53:58,429 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:53:58,584 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:53:58,584 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:53:58,585 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:53:58,585 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:53:58,585 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:53:58,591 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:53:58,592 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:53:58 WrapperNode [2023-11-19 07:53:58,592 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:53:58,593 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:53:58,593 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:53:58,594 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:53:58,601 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:53:58" (1/1) ... [2023-11-19 07:53:58,630 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:53:58" (1/1) ... [2023-11-19 07:53:58,737 INFO L138 Inliner]: procedures = 505, calls = 79, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 216 [2023-11-19 07:53:58,738 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:53:58,739 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:53:58,739 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:53:58,739 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:53:58,752 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:53:58" (1/1) ... [2023-11-19 07:53:58,753 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:53:58" (1/1) ... [2023-11-19 07:53:58,757 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:53:58" (1/1) ... [2023-11-19 07:53:58,757 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:53:58" (1/1) ... [2023-11-19 07:53:58,766 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:53:58" (1/1) ... [2023-11-19 07:53:58,769 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:53:58" (1/1) ... [2023-11-19 07:53:58,772 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:53:58" (1/1) ... [2023-11-19 07:53:58,775 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:53:58" (1/1) ... [2023-11-19 07:53:58,779 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:53:58,782 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:53:58,782 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:53:58,782 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:53:58,783 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:53:58" (1/1) ... [2023-11-19 07:53:58,798 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:53:58,827 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5e9011a-85f2-42b5-9852-22e4ab73fbb6/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:53:58,843 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5e9011a-85f2-42b5-9852-22e4ab73fbb6/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 07:53:58,853 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5e9011a-85f2-42b5-9852-22e4ab73fbb6/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 07:53:58,879 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2023-11-19 07:53:58,879 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2023-11-19 07:53:58,880 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-19 07:53:58,880 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-19 07:53:58,880 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:53:58,880 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:53:58,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:53:58,880 INFO L130 BoogieDeclarations]: Found specification of procedure staticReturnsTrue [2023-11-19 07:53:58,881 INFO L138 BoogieDeclarations]: Found implementation of procedure staticReturnsTrue [2023-11-19 07:53:58,883 INFO L130 BoogieDeclarations]: Found specification of procedure staticReturnsFalse [2023-11-19 07:53:58,883 INFO L138 BoogieDeclarations]: Found implementation of procedure staticReturnsFalse [2023-11-19 07:53:58,884 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-19 07:53:58,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 07:53:59,040 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:53:59,042 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:53:59,403 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:53:59,422 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:53:59,423 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 07:53:59,431 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:53:59 BoogieIcfgContainer [2023-11-19 07:53:59,432 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:53:59,436 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 07:53:59,436 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 07:53:59,440 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 07:53:59,440 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:53:57" (1/3) ... [2023-11-19 07:53:59,441 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4354deac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:53:59, skipping insertion in model container [2023-11-19 07:53:59,441 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:53:58" (2/3) ... [2023-11-19 07:53:59,441 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4354deac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:53:59, skipping insertion in model container [2023-11-19 07:53:59,442 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:53:59" (3/3) ... [2023-11-19 07:53:59,443 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_multiply_08_good.i [2023-11-19 07:53:59,463 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 07:53:59,464 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2023-11-19 07:53:59,519 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 07:53:59,527 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=LoopHeads, 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;@7448dc41, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 07:53:59,528 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2023-11-19 07:53:59,533 INFO L276 IsEmpty]: Start isEmpty. Operand has 121 states, 90 states have (on average 1.5444444444444445) internal successors, (139), 102 states have internal predecessors, (139), 18 states have call successors, (18), 4 states have call predecessors, (18), 4 states have return successors, (18), 17 states have call predecessors, (18), 18 states have call successors, (18) [2023-11-19 07:53:59,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 07:53:59,543 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:53:59,544 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:53:59,545 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)] === [2023-11-19 07:53:59,552 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:53:59,552 INFO L85 PathProgramCache]: Analyzing trace with hash 620556809, now seen corresponding path program 1 times [2023-11-19 07:53:59,564 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:53:59,564 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [415452200] [2023-11-19 07:53:59,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:53:59,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:53:59,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:53:59,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-19 07:53:59,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:53:59,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-19 07:53:59,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:00,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-19 07:54:00,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:00,025 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:54:00,026 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:54:00,026 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [415452200] [2023-11-19 07:54:00,027 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [415452200] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:54:00,027 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:54:00,027 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 07:54:00,029 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [375490118] [2023-11-19 07:54:00,030 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:54:00,034 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 07:54:00,034 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:54:00,063 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 07:54:00,064 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 07:54:00,066 INFO L87 Difference]: Start difference. First operand has 121 states, 90 states have (on average 1.5444444444444445) internal successors, (139), 102 states have internal predecessors, (139), 18 states have call successors, (18), 4 states have call predecessors, (18), 4 states have return successors, (18), 17 states have call predecessors, (18), 18 states have call successors, (18) Second operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-19 07:54:00,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:54:00,153 INFO L93 Difference]: Finished difference Result 217 states and 309 transitions. [2023-11-19 07:54:00,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 07:54:00,157 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) Word has length 23 [2023-11-19 07:54:00,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:54:00,165 INFO L225 Difference]: With dead ends: 217 [2023-11-19 07:54:00,165 INFO L226 Difference]: Without dead ends: 112 [2023-11-19 07:54:00,169 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 07:54:00,172 INFO L413 NwaCegarLoop]: 172 mSDtfsCounter, 0 mSDsluCounter, 339 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 511 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 07:54:00,174 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 511 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:54:00,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2023-11-19 07:54:00,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 112. [2023-11-19 07:54:00,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112 states, 84 states have (on average 1.5357142857142858) internal successors, (129), 95 states have internal predecessors, (129), 16 states have call successors, (16), 4 states have call predecessors, (16), 4 states have return successors, (16), 15 states have call predecessors, (16), 16 states have call successors, (16) [2023-11-19 07:54:00,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 161 transitions. [2023-11-19 07:54:00,267 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 161 transitions. Word has length 23 [2023-11-19 07:54:00,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:54:00,269 INFO L495 AbstractCegarLoop]: Abstraction has 112 states and 161 transitions. [2023-11-19 07:54:00,270 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-19 07:54:00,270 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 161 transitions. [2023-11-19 07:54:00,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-19 07:54:00,272 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:54:00,273 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-11-19 07:54:00,273 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 07:54:00,273 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-19 07:54:00,274 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:54:00,274 INFO L85 PathProgramCache]: Analyzing trace with hash -1667073494, now seen corresponding path program 1 times [2023-11-19 07:54:00,275 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:54:00,275 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1005022620] [2023-11-19 07:54:00,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:54:00,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:54:00,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:00,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-19 07:54:00,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:00,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-19 07:54:00,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:00,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-19 07:54:00,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:00,382 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:54:00,382 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:54:00,382 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1005022620] [2023-11-19 07:54:00,383 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1005022620] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:54:00,383 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:54:00,383 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:54:00,383 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [429969254] [2023-11-19 07:54:00,384 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:54:00,385 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:54:00,385 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:54:00,387 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:54:00,388 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:54:00,388 INFO L87 Difference]: Start difference. First operand 112 states and 161 transitions. Second operand has 3 states, 2 states have (on average 11.5) internal successors, (23), 3 states have internal predecessors, (23), 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) [2023-11-19 07:54:00,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:54:00,419 INFO L93 Difference]: Finished difference Result 113 states and 162 transitions. [2023-11-19 07:54:00,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:54:00,419 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 11.5) internal successors, (23), 3 states have internal predecessors, (23), 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 29 [2023-11-19 07:54:00,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:54:00,422 INFO L225 Difference]: With dead ends: 113 [2023-11-19 07:54:00,422 INFO L226 Difference]: Without dead ends: 112 [2023-11-19 07:54:00,423 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:54:00,424 INFO L413 NwaCegarLoop]: 156 mSDtfsCounter, 5 mSDsluCounter, 147 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 303 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 07:54:00,425 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 303 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:54:00,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2023-11-19 07:54:00,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 111. [2023-11-19 07:54:00,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111 states, 84 states have (on average 1.5238095238095237) internal successors, (128), 94 states have internal predecessors, (128), 16 states have call successors, (16), 4 states have call predecessors, (16), 4 states have return successors, (16), 15 states have call predecessors, (16), 16 states have call successors, (16) [2023-11-19 07:54:00,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 160 transitions. [2023-11-19 07:54:00,459 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 160 transitions. Word has length 29 [2023-11-19 07:54:00,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:54:00,459 INFO L495 AbstractCegarLoop]: Abstraction has 111 states and 160 transitions. [2023-11-19 07:54:00,460 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 11.5) internal successors, (23), 3 states have internal predecessors, (23), 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) [2023-11-19 07:54:00,460 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 160 transitions. [2023-11-19 07:54:00,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-19 07:54:00,461 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:54:00,462 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-11-19 07:54:00,462 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-19 07:54:00,462 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-19 07:54:00,463 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:54:00,464 INFO L85 PathProgramCache]: Analyzing trace with hash -139670615, now seen corresponding path program 1 times [2023-11-19 07:54:00,464 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:54:00,464 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [808561552] [2023-11-19 07:54:00,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:54:00,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:54:00,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:00,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-19 07:54:00,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:00,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-19 07:54:00,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:00,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-19 07:54:00,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:00,633 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:54:00,634 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:54:00,636 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [808561552] [2023-11-19 07:54:00,637 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [808561552] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:54:00,640 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:54:00,640 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:54:00,644 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [451565686] [2023-11-19 07:54:00,644 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:54:00,645 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:54:00,645 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:54:00,646 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:54:00,646 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:54:00,646 INFO L87 Difference]: Start difference. First operand 111 states and 160 transitions. Second operand has 3 states, 2 states have (on average 12.0) internal successors, (24), 3 states have internal predecessors, (24), 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) [2023-11-19 07:54:00,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:54:00,694 INFO L93 Difference]: Finished difference Result 112 states and 161 transitions. [2023-11-19 07:54:00,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:54:00,695 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 12.0) internal successors, (24), 3 states have internal predecessors, (24), 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 30 [2023-11-19 07:54:00,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:54:00,700 INFO L225 Difference]: With dead ends: 112 [2023-11-19 07:54:00,701 INFO L226 Difference]: Without dead ends: 111 [2023-11-19 07:54:00,701 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:54:00,709 INFO L413 NwaCegarLoop]: 157 mSDtfsCounter, 34 mSDsluCounter, 115 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 272 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 07:54:00,710 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 272 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:54:00,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2023-11-19 07:54:00,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 110. [2023-11-19 07:54:00,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110 states, 84 states have (on average 1.5119047619047619) internal successors, (127), 93 states have internal predecessors, (127), 16 states have call successors, (16), 4 states have call predecessors, (16), 4 states have return successors, (16), 15 states have call predecessors, (16), 16 states have call successors, (16) [2023-11-19 07:54:00,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 159 transitions. [2023-11-19 07:54:00,730 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 159 transitions. Word has length 30 [2023-11-19 07:54:00,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:54:00,730 INFO L495 AbstractCegarLoop]: Abstraction has 110 states and 159 transitions. [2023-11-19 07:54:00,731 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 12.0) internal successors, (24), 3 states have internal predecessors, (24), 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) [2023-11-19 07:54:00,731 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 159 transitions. [2023-11-19 07:54:00,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-19 07:54:00,733 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:54:00,733 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1] [2023-11-19 07:54:00,734 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-19 07:54:00,734 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)] === [2023-11-19 07:54:00,734 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:54:00,735 INFO L85 PathProgramCache]: Analyzing trace with hash -1923795423, now seen corresponding path program 1 times [2023-11-19 07:54:00,735 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:54:00,735 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1619388790] [2023-11-19 07:54:00,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:54:00,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:54:00,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:00,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-19 07:54:00,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:00,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-19 07:54:00,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:00,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-19 07:54:00,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:00,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-19 07:54:00,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:00,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-19 07:54:00,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:00,922 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-19 07:54:00,923 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:54:00,923 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1619388790] [2023-11-19 07:54:00,923 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1619388790] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 07:54:00,923 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1406357698] [2023-11-19 07:54:00,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:54:00,924 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:54:00,924 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5e9011a-85f2-42b5-9852-22e4ab73fbb6/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:54:00,927 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5e9011a-85f2-42b5-9852-22e4ab73fbb6/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:54:00,934 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5e9011a-85f2-42b5-9852-22e4ab73fbb6/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-19 07:54:01,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:01,071 INFO L262 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 07:54:01,078 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:54:01,146 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-19 07:54:01,147 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 07:54:01,147 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1406357698] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:54:01,147 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-19 07:54:01,147 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2023-11-19 07:54:01,148 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1847769682] [2023-11-19 07:54:01,148 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:54:01,148 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:54:01,149 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:54:01,149 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:54:01,150 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-19 07:54:01,150 INFO L87 Difference]: Start difference. First operand 110 states and 159 transitions. Second operand has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-11-19 07:54:01,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:54:01,173 INFO L93 Difference]: Finished difference Result 163 states and 224 transitions. [2023-11-19 07:54:01,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:54:01,174 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 43 [2023-11-19 07:54:01,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:54:01,175 INFO L225 Difference]: With dead ends: 163 [2023-11-19 07:54:01,176 INFO L226 Difference]: Without dead ends: 115 [2023-11-19 07:54:01,176 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-19 07:54:01,178 INFO L413 NwaCegarLoop]: 158 mSDtfsCounter, 33 mSDsluCounter, 114 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 272 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 07:54:01,178 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 272 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:54:01,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2023-11-19 07:54:01,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 114. [2023-11-19 07:54:01,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114 states, 87 states have (on average 1.5057471264367817) internal successors, (131), 96 states have internal predecessors, (131), 17 states have call successors, (17), 4 states have call predecessors, (17), 4 states have return successors, (17), 16 states have call predecessors, (17), 17 states have call successors, (17) [2023-11-19 07:54:01,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 165 transitions. [2023-11-19 07:54:01,191 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 165 transitions. Word has length 43 [2023-11-19 07:54:01,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:54:01,192 INFO L495 AbstractCegarLoop]: Abstraction has 114 states and 165 transitions. [2023-11-19 07:54:01,192 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-11-19 07:54:01,192 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 165 transitions. [2023-11-19 07:54:01,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-19 07:54:01,194 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:54:01,195 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:54:01,228 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5e9011a-85f2-42b5-9852-22e4ab73fbb6/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-19 07:54:01,409 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5e9011a-85f2-42b5-9852-22e4ab73fbb6/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:54:01,409 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-19 07:54:01,410 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:54:01,410 INFO L85 PathProgramCache]: Analyzing trace with hash -2015472158, now seen corresponding path program 1 times [2023-11-19 07:54:01,410 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:54:01,410 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [501847707] [2023-11-19 07:54:01,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:54:01,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:54:01,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:01,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-19 07:54:01,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:01,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-19 07:54:01,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:01,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-19 07:54:01,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:01,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-19 07:54:01,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:01,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-11-19 07:54:01,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:01,542 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-19 07:54:01,543 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:54:01,543 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [501847707] [2023-11-19 07:54:01,544 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [501847707] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:54:01,547 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:54:01,547 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:54:01,548 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [594914202] [2023-11-19 07:54:01,548 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:54:01,549 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:54:01,549 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:54:01,550 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:54:01,550 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:54:01,550 INFO L87 Difference]: Start difference. First operand 114 states and 165 transitions. Second operand has 3 states, 2 states have (on average 17.5) internal successors, (35), 3 states have internal predecessors, (35), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2023-11-19 07:54:01,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:54:01,585 INFO L93 Difference]: Finished difference Result 115 states and 166 transitions. [2023-11-19 07:54:01,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:54:01,586 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 17.5) internal successors, (35), 3 states have internal predecessors, (35), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 49 [2023-11-19 07:54:01,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:54:01,589 INFO L225 Difference]: With dead ends: 115 [2023-11-19 07:54:01,589 INFO L226 Difference]: Without dead ends: 114 [2023-11-19 07:54:01,590 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:54:01,595 INFO L413 NwaCegarLoop]: 154 mSDtfsCounter, 5 mSDsluCounter, 145 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 299 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 07:54:01,595 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 299 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:54:01,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2023-11-19 07:54:01,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 113. [2023-11-19 07:54:01,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113 states, 87 states have (on average 1.4942528735632183) internal successors, (130), 95 states have internal predecessors, (130), 17 states have call successors, (17), 4 states have call predecessors, (17), 4 states have return successors, (17), 16 states have call predecessors, (17), 17 states have call successors, (17) [2023-11-19 07:54:01,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 164 transitions. [2023-11-19 07:54:01,621 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 164 transitions. Word has length 49 [2023-11-19 07:54:01,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:54:01,622 INFO L495 AbstractCegarLoop]: Abstraction has 113 states and 164 transitions. [2023-11-19 07:54:01,622 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 17.5) internal successors, (35), 3 states have internal predecessors, (35), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2023-11-19 07:54:01,622 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 164 transitions. [2023-11-19 07:54:01,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-19 07:54:01,629 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:54:01,629 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:54:01,629 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-19 07:54:01,630 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-19 07:54:01,630 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:54:01,630 INFO L85 PathProgramCache]: Analyzing trace with hash 1944872797, now seen corresponding path program 1 times [2023-11-19 07:54:01,631 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:54:01,631 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [746068342] [2023-11-19 07:54:01,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:54:01,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:54:01,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:01,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-19 07:54:01,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:01,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-19 07:54:01,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:01,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-19 07:54:01,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:01,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-19 07:54:01,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:01,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-11-19 07:54:01,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:01,720 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-19 07:54:01,720 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:54:01,721 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [746068342] [2023-11-19 07:54:01,721 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [746068342] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:54:01,721 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:54:01,721 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:54:01,722 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [100723451] [2023-11-19 07:54:01,722 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:54:01,722 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:54:01,722 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:54:01,723 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:54:01,724 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:54:01,724 INFO L87 Difference]: Start difference. First operand 113 states and 164 transitions. Second operand has 3 states, 2 states have (on average 18.0) internal successors, (36), 3 states have internal predecessors, (36), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2023-11-19 07:54:01,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:54:01,748 INFO L93 Difference]: Finished difference Result 114 states and 165 transitions. [2023-11-19 07:54:01,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:54:01,749 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 18.0) internal successors, (36), 3 states have internal predecessors, (36), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 50 [2023-11-19 07:54:01,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:54:01,751 INFO L225 Difference]: With dead ends: 114 [2023-11-19 07:54:01,751 INFO L226 Difference]: Without dead ends: 113 [2023-11-19 07:54:01,752 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:54:01,753 INFO L413 NwaCegarLoop]: 154 mSDtfsCounter, 39 mSDsluCounter, 112 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 266 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 07:54:01,753 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 266 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:54:01,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2023-11-19 07:54:01,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 112. [2023-11-19 07:54:01,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112 states, 87 states have (on average 1.4827586206896552) internal successors, (129), 94 states have internal predecessors, (129), 17 states have call successors, (17), 4 states have call predecessors, (17), 4 states have return successors, (17), 16 states have call predecessors, (17), 17 states have call successors, (17) [2023-11-19 07:54:01,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 163 transitions. [2023-11-19 07:54:01,769 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 163 transitions. Word has length 50 [2023-11-19 07:54:01,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:54:01,769 INFO L495 AbstractCegarLoop]: Abstraction has 112 states and 163 transitions. [2023-11-19 07:54:01,770 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 18.0) internal successors, (36), 3 states have internal predecessors, (36), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2023-11-19 07:54:01,770 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 163 transitions. [2023-11-19 07:54:01,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-19 07:54:01,771 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:54:01,771 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:54:01,771 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-19 07:54:01,771 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)] === [2023-11-19 07:54:01,772 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:54:01,772 INFO L85 PathProgramCache]: Analyzing trace with hash 1052389641, now seen corresponding path program 1 times [2023-11-19 07:54:01,772 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:54:01,772 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1535381173] [2023-11-19 07:54:01,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:54:01,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:54:01,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:01,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-19 07:54:01,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:01,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-19 07:54:01,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:01,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-19 07:54:01,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:01,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-19 07:54:01,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:01,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-19 07:54:01,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:01,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-19 07:54:01,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:01,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-19 07:54:01,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:01,898 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-19 07:54:01,899 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:54:01,899 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1535381173] [2023-11-19 07:54:01,899 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1535381173] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 07:54:01,899 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2053311492] [2023-11-19 07:54:01,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:54:01,902 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:54:01,902 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5e9011a-85f2-42b5-9852-22e4ab73fbb6/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:54:01,905 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5e9011a-85f2-42b5-9852-22e4ab73fbb6/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:54:01,924 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5e9011a-85f2-42b5-9852-22e4ab73fbb6/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-19 07:54:02,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:02,006 INFO L262 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 07:54:02,009 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:54:02,037 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2023-11-19 07:54:02,038 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 07:54:02,038 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2053311492] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:54:02,038 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-19 07:54:02,039 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2023-11-19 07:54:02,039 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [608234811] [2023-11-19 07:54:02,039 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:54:02,040 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:54:02,040 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:54:02,040 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:54:02,040 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-19 07:54:02,041 INFO L87 Difference]: Start difference. First operand 112 states and 163 transitions. Second operand has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-11-19 07:54:02,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:54:02,066 INFO L93 Difference]: Finished difference Result 137 states and 194 transitions. [2023-11-19 07:54:02,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:54:02,068 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 55 [2023-11-19 07:54:02,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:54:02,070 INFO L225 Difference]: With dead ends: 137 [2023-11-19 07:54:02,071 INFO L226 Difference]: Without dead ends: 121 [2023-11-19 07:54:02,071 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-19 07:54:02,072 INFO L413 NwaCegarLoop]: 153 mSDtfsCounter, 5 mSDsluCounter, 148 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 301 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 07:54:02,073 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 301 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:54:02,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2023-11-19 07:54:02,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 117. [2023-11-19 07:54:02,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 91 states have (on average 1.4725274725274726) internal successors, (134), 97 states have internal predecessors, (134), 18 states have call successors, (18), 4 states have call predecessors, (18), 4 states have return successors, (18), 17 states have call predecessors, (18), 18 states have call successors, (18) [2023-11-19 07:54:02,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 170 transitions. [2023-11-19 07:54:02,090 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 170 transitions. Word has length 55 [2023-11-19 07:54:02,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:54:02,091 INFO L495 AbstractCegarLoop]: Abstraction has 117 states and 170 transitions. [2023-11-19 07:54:02,091 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-11-19 07:54:02,091 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 170 transitions. [2023-11-19 07:54:02,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-19 07:54:02,094 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:54:02,094 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:54:02,118 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5e9011a-85f2-42b5-9852-22e4ab73fbb6/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-19 07:54:02,308 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5e9011a-85f2-42b5-9852-22e4ab73fbb6/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:54:02,309 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)] === [2023-11-19 07:54:02,309 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:54:02,309 INFO L85 PathProgramCache]: Analyzing trace with hash -1735659208, now seen corresponding path program 1 times [2023-11-19 07:54:02,309 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:54:02,309 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2123340530] [2023-11-19 07:54:02,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:54:02,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:54:02,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:02,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-19 07:54:02,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:02,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-19 07:54:02,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:02,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-19 07:54:02,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:02,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-19 07:54:02,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:02,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-19 07:54:02,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:02,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-19 07:54:02,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:02,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-19 07:54:02,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:02,410 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-19 07:54:02,410 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:54:02,410 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2123340530] [2023-11-19 07:54:02,410 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2123340530] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 07:54:02,410 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [929437010] [2023-11-19 07:54:02,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:54:02,411 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:54:02,411 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5e9011a-85f2-42b5-9852-22e4ab73fbb6/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:54:02,412 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5e9011a-85f2-42b5-9852-22e4ab73fbb6/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:54:02,432 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5e9011a-85f2-42b5-9852-22e4ab73fbb6/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-19 07:54:02,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:02,539 INFO L262 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 07:54:02,542 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:54:02,560 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2023-11-19 07:54:02,561 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 07:54:02,561 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [929437010] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:54:02,561 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-19 07:54:02,561 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2023-11-19 07:54:02,561 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1320834727] [2023-11-19 07:54:02,561 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:54:02,562 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:54:02,562 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:54:02,563 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:54:02,563 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-19 07:54:02,563 INFO L87 Difference]: Start difference. First operand 117 states and 170 transitions. Second operand has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-11-19 07:54:02,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:54:02,578 INFO L93 Difference]: Finished difference Result 117 states and 170 transitions. [2023-11-19 07:54:02,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:54:02,579 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 56 [2023-11-19 07:54:02,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:54:02,580 INFO L225 Difference]: With dead ends: 117 [2023-11-19 07:54:02,580 INFO L226 Difference]: Without dead ends: 116 [2023-11-19 07:54:02,581 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-19 07:54:02,582 INFO L413 NwaCegarLoop]: 151 mSDtfsCounter, 7 mSDsluCounter, 138 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 289 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 [2023-11-19 07:54:02,582 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 289 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:54:02,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2023-11-19 07:54:02,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 116. [2023-11-19 07:54:02,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116 states, 91 states have (on average 1.4615384615384615) internal successors, (133), 96 states have internal predecessors, (133), 18 states have call successors, (18), 4 states have call predecessors, (18), 4 states have return successors, (18), 17 states have call predecessors, (18), 18 states have call successors, (18) [2023-11-19 07:54:02,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 169 transitions. [2023-11-19 07:54:02,590 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 169 transitions. Word has length 56 [2023-11-19 07:54:02,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:54:02,591 INFO L495 AbstractCegarLoop]: Abstraction has 116 states and 169 transitions. [2023-11-19 07:54:02,591 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-11-19 07:54:02,591 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 169 transitions. [2023-11-19 07:54:02,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-19 07:54:02,592 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:54:02,592 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:54:02,618 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5e9011a-85f2-42b5-9852-22e4ab73fbb6/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-19 07:54:02,812 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5e9011a-85f2-42b5-9852-22e4ab73fbb6/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:54:02,813 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-19 07:54:02,813 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:54:02,813 INFO L85 PathProgramCache]: Analyzing trace with hash 1045415217, now seen corresponding path program 1 times [2023-11-19 07:54:02,813 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:54:02,814 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2141582649] [2023-11-19 07:54:02,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:54:02,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:54:02,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:02,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-19 07:54:02,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:02,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-19 07:54:02,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:02,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-19 07:54:02,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:02,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-19 07:54:02,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:02,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-19 07:54:02,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:02,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-19 07:54:02,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:02,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-19 07:54:02,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:02,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2023-11-19 07:54:02,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:02,956 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2023-11-19 07:54:02,956 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:54:02,956 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2141582649] [2023-11-19 07:54:02,956 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2141582649] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 07:54:02,956 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [270973368] [2023-11-19 07:54:02,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:54:02,957 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:54:02,957 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5e9011a-85f2-42b5-9852-22e4ab73fbb6/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:54:02,958 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5e9011a-85f2-42b5-9852-22e4ab73fbb6/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:54:02,961 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5e9011a-85f2-42b5-9852-22e4ab73fbb6/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-19 07:54:03,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:03,059 INFO L262 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 07:54:03,062 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:54:03,084 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2023-11-19 07:54:03,084 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 07:54:03,084 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [270973368] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:54:03,084 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-19 07:54:03,085 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2023-11-19 07:54:03,085 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1535317788] [2023-11-19 07:54:03,085 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:54:03,085 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:54:03,086 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:54:03,086 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:54:03,086 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-19 07:54:03,086 INFO L87 Difference]: Start difference. First operand 116 states and 169 transitions. Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-11-19 07:54:03,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:54:03,101 INFO L93 Difference]: Finished difference Result 138 states and 192 transitions. [2023-11-19 07:54:03,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:54:03,102 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 60 [2023-11-19 07:54:03,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:54:03,103 INFO L225 Difference]: With dead ends: 138 [2023-11-19 07:54:03,103 INFO L226 Difference]: Without dead ends: 115 [2023-11-19 07:54:03,104 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-19 07:54:03,105 INFO L413 NwaCegarLoop]: 160 mSDtfsCounter, 2 mSDsluCounter, 145 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 305 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 07:54:03,105 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 305 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:54:03,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2023-11-19 07:54:03,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 114. [2023-11-19 07:54:03,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114 states, 90 states have (on average 1.4444444444444444) internal successors, (130), 94 states have internal predecessors, (130), 18 states have call successors, (18), 4 states have call predecessors, (18), 4 states have return successors, (18), 17 states have call predecessors, (18), 18 states have call successors, (18) [2023-11-19 07:54:03,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 166 transitions. [2023-11-19 07:54:03,113 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 166 transitions. Word has length 60 [2023-11-19 07:54:03,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:54:03,114 INFO L495 AbstractCegarLoop]: Abstraction has 114 states and 166 transitions. [2023-11-19 07:54:03,114 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-11-19 07:54:03,114 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 166 transitions. [2023-11-19 07:54:03,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-11-19 07:54:03,115 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:54:03,115 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:54:03,136 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5e9011a-85f2-42b5-9852-22e4ab73fbb6/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-11-19 07:54:03,336 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5e9011a-85f2-42b5-9852-22e4ab73fbb6/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:54:03,336 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-19 07:54:03,336 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:54:03,337 INFO L85 PathProgramCache]: Analyzing trace with hash 1804025437, now seen corresponding path program 1 times [2023-11-19 07:54:03,337 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:54:03,337 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1023974998] [2023-11-19 07:54:03,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:54:03,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:54:03,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:03,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-19 07:54:03,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:03,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-19 07:54:03,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:03,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-19 07:54:03,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:03,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-19 07:54:03,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:03,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-19 07:54:03,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:03,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-19 07:54:03,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:03,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-19 07:54:03,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:03,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-11-19 07:54:03,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:03,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2023-11-19 07:54:03,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:03,502 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2023-11-19 07:54:03,502 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:54:03,503 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1023974998] [2023-11-19 07:54:03,503 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1023974998] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 07:54:03,503 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [363224995] [2023-11-19 07:54:03,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:54:03,503 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:54:03,503 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5e9011a-85f2-42b5-9852-22e4ab73fbb6/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:54:03,505 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5e9011a-85f2-42b5-9852-22e4ab73fbb6/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:54:03,532 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5e9011a-85f2-42b5-9852-22e4ab73fbb6/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-19 07:54:03,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:03,620 INFO L262 TraceCheckSpWp]: Trace formula consists of 209 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 07:54:03,623 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:54:03,640 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2023-11-19 07:54:03,641 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 07:54:03,641 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [363224995] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:54:03,641 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-19 07:54:03,641 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2023-11-19 07:54:03,642 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2119630703] [2023-11-19 07:54:03,642 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:54:03,642 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:54:03,642 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:54:03,643 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:54:03,643 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-19 07:54:03,643 INFO L87 Difference]: Start difference. First operand 114 states and 166 transitions. Second operand has 3 states, 2 states have (on average 19.0) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2023-11-19 07:54:03,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:54:03,657 INFO L93 Difference]: Finished difference Result 121 states and 174 transitions. [2023-11-19 07:54:03,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:54:03,658 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 19.0) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 68 [2023-11-19 07:54:03,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:54:03,660 INFO L225 Difference]: With dead ends: 121 [2023-11-19 07:54:03,660 INFO L226 Difference]: Without dead ends: 120 [2023-11-19 07:54:03,660 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-19 07:54:03,661 INFO L413 NwaCegarLoop]: 152 mSDtfsCounter, 2 mSDsluCounter, 149 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 301 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 [2023-11-19 07:54:03,662 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 301 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:54:03,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2023-11-19 07:54:03,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 119. [2023-11-19 07:54:03,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119 states, 94 states have (on average 1.425531914893617) internal successors, (134), 98 states have internal predecessors, (134), 19 states have call successors, (19), 4 states have call predecessors, (19), 4 states have return successors, (19), 18 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-19 07:54:03,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 172 transitions. [2023-11-19 07:54:03,669 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 172 transitions. Word has length 68 [2023-11-19 07:54:03,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:54:03,670 INFO L495 AbstractCegarLoop]: Abstraction has 119 states and 172 transitions. [2023-11-19 07:54:03,670 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 19.0) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2023-11-19 07:54:03,670 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 172 transitions. [2023-11-19 07:54:03,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-11-19 07:54:03,671 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:54:03,671 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:54:03,702 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5e9011a-85f2-42b5-9852-22e4ab73fbb6/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-11-19 07:54:03,893 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5e9011a-85f2-42b5-9852-22e4ab73fbb6/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2023-11-19 07:54:03,893 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-19 07:54:03,893 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:54:03,894 INFO L85 PathProgramCache]: Analyzing trace with hash -1810883489, now seen corresponding path program 1 times [2023-11-19 07:54:03,894 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:54:03,894 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1595949807] [2023-11-19 07:54:03,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:54:03,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:54:03,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:03,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-19 07:54:03,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:03,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-19 07:54:03,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:03,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-19 07:54:03,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:03,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-19 07:54:03,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:03,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-19 07:54:03,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:03,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-19 07:54:03,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:03,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-19 07:54:03,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:03,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-11-19 07:54:03,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:03,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2023-11-19 07:54:03,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:03,987 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2023-11-19 07:54:03,987 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:54:03,987 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1595949807] [2023-11-19 07:54:03,987 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1595949807] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 07:54:03,988 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1432469013] [2023-11-19 07:54:03,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:54:03,988 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:54:03,988 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5e9011a-85f2-42b5-9852-22e4ab73fbb6/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:54:03,989 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5e9011a-85f2-42b5-9852-22e4ab73fbb6/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:54:04,008 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5e9011a-85f2-42b5-9852-22e4ab73fbb6/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-19 07:54:04,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:04,093 INFO L262 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 07:54:04,096 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:54:04,115 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2023-11-19 07:54:04,115 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 07:54:04,116 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1432469013] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:54:04,116 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-19 07:54:04,116 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2023-11-19 07:54:04,116 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2080793712] [2023-11-19 07:54:04,116 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:54:04,117 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:54:04,117 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:54:04,117 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:54:04,117 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-19 07:54:04,117 INFO L87 Difference]: Start difference. First operand 119 states and 172 transitions. Second operand has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2023-11-19 07:54:04,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:54:04,128 INFO L93 Difference]: Finished difference Result 121 states and 173 transitions. [2023-11-19 07:54:04,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:54:04,129 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 68 [2023-11-19 07:54:04,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:54:04,130 INFO L225 Difference]: With dead ends: 121 [2023-11-19 07:54:04,131 INFO L226 Difference]: Without dead ends: 113 [2023-11-19 07:54:04,131 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-19 07:54:04,132 INFO L413 NwaCegarLoop]: 158 mSDtfsCounter, 0 mSDsluCounter, 147 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 305 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 07:54:04,132 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 305 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:54:04,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2023-11-19 07:54:04,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 113. [2023-11-19 07:54:04,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113 states, 90 states have (on average 1.4222222222222223) internal successors, (128), 93 states have internal predecessors, (128), 18 states have call successors, (18), 4 states have call predecessors, (18), 4 states have return successors, (18), 17 states have call predecessors, (18), 18 states have call successors, (18) [2023-11-19 07:54:04,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 164 transitions. [2023-11-19 07:54:04,146 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 164 transitions. Word has length 68 [2023-11-19 07:54:04,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:54:04,147 INFO L495 AbstractCegarLoop]: Abstraction has 113 states and 164 transitions. [2023-11-19 07:54:04,147 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2023-11-19 07:54:04,147 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 164 transitions. [2023-11-19 07:54:04,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-11-19 07:54:04,149 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:54:04,149 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:54:04,173 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5e9011a-85f2-42b5-9852-22e4ab73fbb6/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-11-19 07:54:04,368 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5e9011a-85f2-42b5-9852-22e4ab73fbb6/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2023-11-19 07:54:04,369 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-19 07:54:04,369 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:54:04,369 INFO L85 PathProgramCache]: Analyzing trace with hash 90214017, now seen corresponding path program 1 times [2023-11-19 07:54:04,369 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:54:04,369 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [191857571] [2023-11-19 07:54:04,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:54:04,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:54:04,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:04,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-19 07:54:04,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:04,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-19 07:54:04,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:04,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-19 07:54:04,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:04,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-19 07:54:04,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:04,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-19 07:54:04,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:04,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-19 07:54:04,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:04,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-19 07:54:04,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:04,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-11-19 07:54:04,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:04,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2023-11-19 07:54:04,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:04,460 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2023-11-19 07:54:04,460 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:54:04,460 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [191857571] [2023-11-19 07:54:04,460 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [191857571] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 07:54:04,460 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1859583295] [2023-11-19 07:54:04,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:54:04,461 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:54:04,461 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5e9011a-85f2-42b5-9852-22e4ab73fbb6/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:54:04,462 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5e9011a-85f2-42b5-9852-22e4ab73fbb6/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:54:04,484 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5e9011a-85f2-42b5-9852-22e4ab73fbb6/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-11-19 07:54:04,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:04,570 INFO L262 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 07:54:04,572 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:54:04,607 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2023-11-19 07:54:04,607 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 07:54:04,607 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1859583295] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:54:04,607 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-19 07:54:04,607 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2023-11-19 07:54:04,608 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [970915506] [2023-11-19 07:54:04,608 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:54:04,608 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:54:04,608 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:54:04,609 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:54:04,609 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-19 07:54:04,609 INFO L87 Difference]: Start difference. First operand 113 states and 164 transitions. Second operand has 3 states, 2 states have (on average 19.5) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2023-11-19 07:54:04,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:54:04,619 INFO L93 Difference]: Finished difference Result 113 states and 164 transitions. [2023-11-19 07:54:04,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:54:04,620 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 19.5) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 69 [2023-11-19 07:54:04,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:54:04,620 INFO L225 Difference]: With dead ends: 113 [2023-11-19 07:54:04,620 INFO L226 Difference]: Without dead ends: 0 [2023-11-19 07:54:04,621 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-19 07:54:04,622 INFO L413 NwaCegarLoop]: 150 mSDtfsCounter, 1 mSDsluCounter, 143 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 293 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 [2023-11-19 07:54:04,622 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 293 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:54:04,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-19 07:54:04,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-19 07:54:04,623 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) [2023-11-19 07:54:04,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-19 07:54:04,623 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 69 [2023-11-19 07:54:04,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:54:04,623 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-19 07:54:04,623 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 19.5) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2023-11-19 07:54:04,624 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-19 07:54:04,624 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-19 07:54:04,626 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 8 remaining) [2023-11-19 07:54:04,627 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 8 remaining) [2023-11-19 07:54:04,627 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining) [2023-11-19 07:54:04,627 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2023-11-19 07:54:04,627 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2023-11-19 07:54:04,627 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2023-11-19 07:54:04,627 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2023-11-19 07:54:04,628 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2023-11-19 07:54:04,648 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5e9011a-85f2-42b5-9852-22e4ab73fbb6/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-11-19 07:54:04,847 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5e9011a-85f2-42b5-9852-22e4ab73fbb6/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2023-11-19 07:54:04,849 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-19 07:54:04,897 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1412 1418) the Hoare annotation is: true [2023-11-19 07:54:04,897 INFO L899 garLoopResultBuilder]: For program point printLineEXIT(lines 1412 1418) no Hoare annotation was computed. [2023-11-19 07:54:04,898 INFO L899 garLoopResultBuilder]: For program point L1414(lines 1414 1417) no Hoare annotation was computed. [2023-11-19 07:54:04,899 INFO L899 garLoopResultBuilder]: For program point L1414-2(lines 1412 1418) no Hoare annotation was computed. [2023-11-19 07:54:04,899 INFO L899 garLoopResultBuilder]: For program point staticReturnsFalseEXIT(lines 1552 1555) no Hoare annotation was computed. [2023-11-19 07:54:04,900 INFO L899 garLoopResultBuilder]: For program point staticReturnsFalseFINAL(lines 1552 1555) no Hoare annotation was computed. [2023-11-19 07:54:04,900 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1552 1555) the Hoare annotation is: true [2023-11-19 07:54:04,900 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1426 1429) the Hoare annotation is: true [2023-11-19 07:54:04,900 INFO L899 garLoopResultBuilder]: For program point printIntLineEXIT(lines 1426 1429) no Hoare annotation was computed. [2023-11-19 07:54:04,900 INFO L899 garLoopResultBuilder]: For program point printIntLineFINAL(lines 1426 1429) no Hoare annotation was computed. [2023-11-19 07:54:04,900 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1598) no Hoare annotation was computed. [2023-11-19 07:54:04,901 INFO L895 garLoopResultBuilder]: At program point L1588(line 1588) the Hoare annotation is: (<= |ULTIMATE.start_goodB2G2_~data~1#1| 0) [2023-11-19 07:54:04,901 INFO L899 garLoopResultBuilder]: For program point L1588-1(line 1588) no Hoare annotation was computed. [2023-11-19 07:54:04,901 INFO L899 garLoopResultBuilder]: For program point L1588-2(lines 1588 1591) no Hoare annotation was computed. [2023-11-19 07:54:04,901 INFO L902 garLoopResultBuilder]: At program point L1588-4(lines 1588 1591) the Hoare annotation is: true [2023-11-19 07:54:04,901 INFO L899 garLoopResultBuilder]: For program point L1572(lines 1572 1580) no Hoare annotation was computed. [2023-11-19 07:54:04,901 INFO L899 garLoopResultBuilder]: For program point L1622(lines 1622 1626) no Hoare annotation was computed. [2023-11-19 07:54:04,902 INFO L899 garLoopResultBuilder]: For program point L1639(lines 1639 1643) no Hoare annotation was computed. [2023-11-19 07:54:04,902 INFO L902 garLoopResultBuilder]: At program point L1656(line 1656) the Hoare annotation is: true [2023-11-19 07:54:04,902 INFO L899 garLoopResultBuilder]: For program point L1656-1(line 1656) no Hoare annotation was computed. [2023-11-19 07:54:04,902 INFO L899 garLoopResultBuilder]: For program point L1590(line 1590) no Hoare annotation was computed. [2023-11-19 07:54:04,902 INFO L899 garLoopResultBuilder]: For program point L1590-1(line 1590) no Hoare annotation was computed. [2023-11-19 07:54:04,902 INFO L899 garLoopResultBuilder]: For program point L1590-3(line 1590) no Hoare annotation was computed. [2023-11-19 07:54:04,902 INFO L899 garLoopResultBuilder]: For program point L1590-5(line 1590) no Hoare annotation was computed. [2023-11-19 07:54:04,903 INFO L899 garLoopResultBuilder]: For program point L1590-7(line 1590) no Hoare annotation was computed. [2023-11-19 07:54:04,903 INFO L899 garLoopResultBuilder]: For program point L1590-8(line 1590) no Hoare annotation was computed. [2023-11-19 07:54:04,903 INFO L899 garLoopResultBuilder]: For program point L1590-10(line 1590) no Hoare annotation was computed. [2023-11-19 07:54:04,903 INFO L899 garLoopResultBuilder]: For program point L1590-12(line 1590) no Hoare annotation was computed. [2023-11-19 07:54:04,903 INFO L899 garLoopResultBuilder]: For program point L1590-14(line 1590) no Hoare annotation was computed. [2023-11-19 07:54:04,903 INFO L899 garLoopResultBuilder]: For program point L1574(line 1574) no Hoare annotation was computed. [2023-11-19 07:54:04,904 INFO L899 garLoopResultBuilder]: For program point L1590-16(line 1590) no Hoare annotation was computed. [2023-11-19 07:54:04,904 INFO L899 garLoopResultBuilder]: For program point L1574-1(line 1574) no Hoare annotation was computed. [2023-11-19 07:54:04,904 INFO L899 garLoopResultBuilder]: For program point L1590-18(line 1590) no Hoare annotation was computed. [2023-11-19 07:54:04,904 INFO L899 garLoopResultBuilder]: For program point L1590-20(line 1590) no Hoare annotation was computed. [2023-11-19 07:54:04,904 INFO L899 garLoopResultBuilder]: For program point L1590-22(line 1590) no Hoare annotation was computed. [2023-11-19 07:54:04,905 INFO L899 garLoopResultBuilder]: For program point L1590-23(line 1590) no Hoare annotation was computed. [2023-11-19 07:54:04,905 INFO L899 garLoopResultBuilder]: For program point L1590-25(line 1590) no Hoare annotation was computed. [2023-11-19 07:54:04,905 INFO L899 garLoopResultBuilder]: For program point L1590-27(line 1590) no Hoare annotation was computed. [2023-11-19 07:54:04,905 INFO L899 garLoopResultBuilder]: For program point L1590-29(line 1590) no Hoare annotation was computed. [2023-11-19 07:54:04,905 INFO L899 garLoopResultBuilder]: For program point L1590-30(line 1590) no Hoare annotation was computed. [2023-11-19 07:54:04,905 INFO L899 garLoopResultBuilder]: For program point L1624(line 1624) no Hoare annotation was computed. [2023-11-19 07:54:04,906 INFO L899 garLoopResultBuilder]: For program point L1624-1(line 1624) no Hoare annotation was computed. [2023-11-19 07:54:04,906 INFO L899 garLoopResultBuilder]: For program point L1641(line 1641) no Hoare annotation was computed. [2023-11-19 07:54:04,906 INFO L899 garLoopResultBuilder]: For program point L1608(lines 1608 1628) no Hoare annotation was computed. [2023-11-19 07:54:04,906 INFO L899 garLoopResultBuilder]: For program point L1641-1(line 1641) no Hoare annotation was computed. [2023-11-19 07:54:04,907 INFO L895 garLoopResultBuilder]: At program point L1575(line 1575) the Hoare annotation is: (and (<= |ULTIMATE.start_goodB2G1_~data~0#1| 1073741822) (<= 1 |ULTIMATE.start_goodB2G1_~data~0#1|)) [2023-11-19 07:54:04,907 INFO L899 garLoopResultBuilder]: For program point L1575-1(line 1575) no Hoare annotation was computed. [2023-11-19 07:54:04,907 INFO L902 garLoopResultBuilder]: At program point L1658(line 1658) the Hoare annotation is: true [2023-11-19 07:54:04,907 INFO L895 garLoopResultBuilder]: At program point L1625(line 1625) the Hoare annotation is: (<= |ULTIMATE.start_goodG2B1_~data~2#1| 2) [2023-11-19 07:54:04,907 INFO L899 garLoopResultBuilder]: For program point L1658-1(line 1658) no Hoare annotation was computed. [2023-11-19 07:54:04,907 INFO L899 garLoopResultBuilder]: For program point L1592(line 1592) no Hoare annotation was computed. [2023-11-19 07:54:04,907 INFO L899 garLoopResultBuilder]: For program point L1625-1(line 1625) no Hoare annotation was computed. [2023-11-19 07:54:04,907 INFO L899 garLoopResultBuilder]: For program point L1592-1(lines 1592 1606) no Hoare annotation was computed. [2023-11-19 07:54:04,908 INFO L902 garLoopResultBuilder]: At program point L1642(line 1642) the Hoare annotation is: true [2023-11-19 07:54:04,908 INFO L899 garLoopResultBuilder]: For program point L1642-1(line 1642) no Hoare annotation was computed. [2023-11-19 07:54:04,908 INFO L895 garLoopResultBuilder]: At program point L1560(line 1560) the Hoare annotation is: (<= |ULTIMATE.start_goodB2G1_~data~0#1| 1073741822) [2023-11-19 07:54:04,908 INFO L899 garLoopResultBuilder]: For program point L1560-1(line 1560) no Hoare annotation was computed. [2023-11-19 07:54:04,908 INFO L899 garLoopResultBuilder]: For program point L1560-2(lines 1560 1563) no Hoare annotation was computed. [2023-11-19 07:54:04,908 INFO L902 garLoopResultBuilder]: At program point L1560-4(lines 1560 1563) the Hoare annotation is: true [2023-11-19 07:54:04,908 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-19 07:54:04,908 INFO L899 garLoopResultBuilder]: For program point L1594(lines 1594 1605) no Hoare annotation was computed. [2023-11-19 07:54:04,908 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1598) no Hoare annotation was computed. [2023-11-19 07:54:04,909 INFO L899 garLoopResultBuilder]: For program point L1562(line 1562) no Hoare annotation was computed. [2023-11-19 07:54:04,909 INFO L899 garLoopResultBuilder]: For program point L1562-1(line 1562) no Hoare annotation was computed. [2023-11-19 07:54:04,909 INFO L899 garLoopResultBuilder]: For program point L1562-3(line 1562) no Hoare annotation was computed. [2023-11-19 07:54:04,909 INFO L899 garLoopResultBuilder]: For program point L1562-5(line 1562) no Hoare annotation was computed. [2023-11-19 07:54:04,909 INFO L899 garLoopResultBuilder]: For program point L1562-7(line 1562) no Hoare annotation was computed. [2023-11-19 07:54:04,909 INFO L899 garLoopResultBuilder]: For program point L1562-8(line 1562) no Hoare annotation was computed. [2023-11-19 07:54:04,909 INFO L899 garLoopResultBuilder]: For program point L1562-10(line 1562) no Hoare annotation was computed. [2023-11-19 07:54:04,909 INFO L899 garLoopResultBuilder]: For program point L1562-12(line 1562) no Hoare annotation was computed. [2023-11-19 07:54:04,909 INFO L899 garLoopResultBuilder]: For program point L1562-14(line 1562) no Hoare annotation was computed. [2023-11-19 07:54:04,909 INFO L895 garLoopResultBuilder]: At program point L1612(line 1612) the Hoare annotation is: (<= |ULTIMATE.start_goodG2B1_~data~2#1| 0) [2023-11-19 07:54:04,909 INFO L895 garLoopResultBuilder]: At program point L1579(line 1579) the Hoare annotation is: (<= 1 |ULTIMATE.start_goodB2G1_~data~0#1|) [2023-11-19 07:54:04,910 INFO L899 garLoopResultBuilder]: For program point L1612-1(line 1612) no Hoare annotation was computed. [2023-11-19 07:54:04,910 INFO L899 garLoopResultBuilder]: For program point L1562-16(line 1562) no Hoare annotation was computed. [2023-11-19 07:54:04,910 INFO L899 garLoopResultBuilder]: For program point L1612-2(lines 1612 1619) no Hoare annotation was computed. [2023-11-19 07:54:04,910 INFO L895 garLoopResultBuilder]: At program point L1612-3(lines 1612 1619) the Hoare annotation is: (or (= 2 |ULTIMATE.start_goodG2B1_~data~2#1|) (< |ULTIMATE.start_goodG2B1_~data~2#1| 1)) [2023-11-19 07:54:04,910 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1641) no Hoare annotation was computed. [2023-11-19 07:54:04,910 INFO L899 garLoopResultBuilder]: For program point L1562-18(line 1562) no Hoare annotation was computed. [2023-11-19 07:54:04,910 INFO L899 garLoopResultBuilder]: For program point L1562-20(line 1562) no Hoare annotation was computed. [2023-11-19 07:54:04,910 INFO L899 garLoopResultBuilder]: For program point L1562-22(line 1562) no Hoare annotation was computed. [2023-11-19 07:54:04,910 INFO L899 garLoopResultBuilder]: For program point L1562-23(line 1562) no Hoare annotation was computed. [2023-11-19 07:54:04,910 INFO L899 garLoopResultBuilder]: For program point L1562-25(line 1562) no Hoare annotation was computed. [2023-11-19 07:54:04,911 INFO L899 garLoopResultBuilder]: For program point L1562-27(line 1562) no Hoare annotation was computed. [2023-11-19 07:54:04,911 INFO L899 garLoopResultBuilder]: For program point L1562-29(line 1562) no Hoare annotation was computed. [2023-11-19 07:54:04,911 INFO L899 garLoopResultBuilder]: For program point L1629(lines 1629 1645) no Hoare annotation was computed. [2023-11-19 07:54:04,911 INFO L899 garLoopResultBuilder]: For program point L1562-30(line 1562) no Hoare annotation was computed. [2023-11-19 07:54:04,911 INFO L899 garLoopResultBuilder]: For program point L1596(lines 1596 1604) no Hoare annotation was computed. [2023-11-19 07:54:04,911 INFO L899 garLoopResultBuilder]: For program point L1646(lines 1646 1652) no Hoare annotation was computed. [2023-11-19 07:54:04,911 INFO L899 garLoopResultBuilder]: For program point main_returnLabel#1(lines 1653 1660) no Hoare annotation was computed. [2023-11-19 07:54:04,911 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1641) no Hoare annotation was computed. [2023-11-19 07:54:04,911 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1574) no Hoare annotation was computed. [2023-11-19 07:54:04,912 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-11-19 07:54:04,912 INFO L899 garLoopResultBuilder]: For program point L1564(line 1564) no Hoare annotation was computed. [2023-11-19 07:54:04,912 INFO L899 garLoopResultBuilder]: For program point L1564-1(lines 1564 1582) no Hoare annotation was computed. [2023-11-19 07:54:04,912 INFO L895 garLoopResultBuilder]: At program point L1614(line 1614) the Hoare annotation is: (<= |ULTIMATE.start_goodG2B1_~data~2#1| 0) [2023-11-19 07:54:04,912 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1574) no Hoare annotation was computed. [2023-11-19 07:54:04,912 INFO L899 garLoopResultBuilder]: For program point L1598(line 1598) no Hoare annotation was computed. [2023-11-19 07:54:04,912 INFO L899 garLoopResultBuilder]: For program point L1598-1(line 1598) no Hoare annotation was computed. [2023-11-19 07:54:04,912 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-19 07:54:04,912 INFO L895 garLoopResultBuilder]: At program point L1599(line 1599) the Hoare annotation is: (and (<= 1 |ULTIMATE.start_goodB2G2_~data~1#1|) (<= |ULTIMATE.start_goodB2G2_~data~1#1| 1073741822)) [2023-11-19 07:54:04,913 INFO L902 garLoopResultBuilder]: At program point L1566(line 1566) the Hoare annotation is: true [2023-11-19 07:54:04,913 INFO L899 garLoopResultBuilder]: For program point L1599-1(line 1599) no Hoare annotation was computed. [2023-11-19 07:54:04,913 INFO L895 garLoopResultBuilder]: At program point L1633(line 1633) the Hoare annotation is: (<= |ULTIMATE.start_goodG2B2_~data~3#1| 0) [2023-11-19 07:54:04,913 INFO L899 garLoopResultBuilder]: For program point L1633-1(line 1633) no Hoare annotation was computed. [2023-11-19 07:54:04,913 INFO L899 garLoopResultBuilder]: For program point L1633-2(lines 1633 1636) no Hoare annotation was computed. [2023-11-19 07:54:04,913 INFO L895 garLoopResultBuilder]: At program point L1633-4(lines 1633 1636) the Hoare annotation is: (or (< |ULTIMATE.start_goodG2B2_~data~3#1| 1) (= |ULTIMATE.start_goodG2B2_~data~3#1| 2)) [2023-11-19 07:54:04,913 INFO L899 garLoopResultBuilder]: For program point L1584(lines 1584 1607) no Hoare annotation was computed. [2023-11-19 07:54:04,913 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2023-11-19 07:54:04,913 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1624) no Hoare annotation was computed. [2023-11-19 07:54:04,914 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1624) no Hoare annotation was computed. [2023-11-19 07:54:04,914 INFO L895 garLoopResultBuilder]: At program point L1603(line 1603) the Hoare annotation is: (<= 1 |ULTIMATE.start_goodB2G2_~data~1#1|) [2023-11-19 07:54:04,914 INFO L899 garLoopResultBuilder]: For program point L1570(lines 1570 1581) no Hoare annotation was computed. [2023-11-19 07:54:04,914 INFO L899 garLoopResultBuilder]: For program point L1570-1(lines 1556 1583) no Hoare annotation was computed. [2023-11-19 07:54:04,914 INFO L899 garLoopResultBuilder]: For program point L1620(line 1620) no Hoare annotation was computed. [2023-11-19 07:54:04,914 INFO L899 garLoopResultBuilder]: For program point L1620-1(lines 1620 1627) no Hoare annotation was computed. [2023-11-19 07:54:04,914 INFO L899 garLoopResultBuilder]: For program point L1637(line 1637) no Hoare annotation was computed. [2023-11-19 07:54:04,914 INFO L899 garLoopResultBuilder]: For program point L1637-1(lines 1637 1644) no Hoare annotation was computed. [2023-11-19 07:54:04,914 INFO L899 garLoopResultBuilder]: For program point staticReturnsTrueFINAL(lines 1548 1551) no Hoare annotation was computed. [2023-11-19 07:54:04,914 INFO L899 garLoopResultBuilder]: For program point staticReturnsTrueEXIT(lines 1548 1551) no Hoare annotation was computed. [2023-11-19 07:54:04,915 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1548 1551) the Hoare annotation is: true [2023-11-19 07:54:04,918 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:54:04,920 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 07:54:04,924 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 07:54:04 BoogieIcfgContainer [2023-11-19 07:54:04,925 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 07:54:04,925 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 07:54:04,925 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 07:54:04,925 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 07:54:04,926 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:53:59" (3/4) ... [2023-11-19 07:54:04,928 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-19 07:54:04,932 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2023-11-19 07:54:04,932 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure staticReturnsFalse [2023-11-19 07:54:04,932 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2023-11-19 07:54:04,932 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure staticReturnsTrue [2023-11-19 07:54:04,945 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2023-11-19 07:54:04,945 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2023-11-19 07:54:04,946 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-19 07:54:04,947 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-19 07:54:05,078 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5e9011a-85f2-42b5-9852-22e4ab73fbb6/bin/uautomizer-verify-uCwYo4JHxu/witness.graphml [2023-11-19 07:54:05,079 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5e9011a-85f2-42b5-9852-22e4ab73fbb6/bin/uautomizer-verify-uCwYo4JHxu/witness.yml [2023-11-19 07:54:05,079 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 07:54:05,079 INFO L158 Benchmark]: Toolchain (without parser) took 7829.56ms. Allocated memory was 167.8MB in the beginning and 201.3MB in the end (delta: 33.6MB). Free memory was 137.3MB in the beginning and 145.8MB in the end (delta: -8.5MB). Peak memory consumption was 25.8MB. Max. memory is 16.1GB. [2023-11-19 07:54:05,080 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 130.0MB. Free memory was 104.2MB in the beginning and 104.1MB in the end (delta: 139.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:54:05,080 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1339.81ms. Allocated memory is still 167.8MB. Free memory was 137.3MB in the beginning and 73.2MB in the end (delta: 64.1MB). Peak memory consumption was 65.0MB. Max. memory is 16.1GB. [2023-11-19 07:54:05,081 INFO L158 Benchmark]: Boogie Procedure Inliner took 144.63ms. Allocated memory is still 167.8MB. Free memory was 73.2MB in the beginning and 133.7MB in the end (delta: -60.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 07:54:05,081 INFO L158 Benchmark]: Boogie Preprocessor took 41.20ms. Allocated memory is still 167.8MB. Free memory was 133.7MB in the beginning and 131.6MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:54:05,081 INFO L158 Benchmark]: RCFGBuilder took 650.63ms. Allocated memory is still 167.8MB. Free memory was 131.6MB in the beginning and 107.4MB in the end (delta: 24.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2023-11-19 07:54:05,082 INFO L158 Benchmark]: TraceAbstraction took 5488.69ms. Allocated memory was 167.8MB in the beginning and 201.3MB in the end (delta: 33.6MB). Free memory was 107.4MB in the beginning and 153.1MB in the end (delta: -45.7MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:54:05,082 INFO L158 Benchmark]: Witness Printer took 153.83ms. Allocated memory is still 201.3MB. Free memory was 153.1MB in the beginning and 145.8MB in the end (delta: 7.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-19 07:54:05,084 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 130.0MB. Free memory was 104.2MB in the beginning and 104.1MB in the end (delta: 139.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1339.81ms. Allocated memory is still 167.8MB. Free memory was 137.3MB in the beginning and 73.2MB in the end (delta: 64.1MB). Peak memory consumption was 65.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 144.63ms. Allocated memory is still 167.8MB. Free memory was 73.2MB in the beginning and 133.7MB in the end (delta: -60.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 41.20ms. Allocated memory is still 167.8MB. Free memory was 133.7MB in the beginning and 131.6MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 650.63ms. Allocated memory is still 167.8MB. Free memory was 131.6MB in the beginning and 107.4MB in the end (delta: 24.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 5488.69ms. Allocated memory was 167.8MB in the beginning and 201.3MB in the end (delta: 33.6MB). Free memory was 107.4MB in the beginning and 153.1MB in the end (delta: -45.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 153.83ms. Allocated memory is still 201.3MB. Free memory was 153.1MB in the beginning and 145.8MB in the end (delta: 7.3MB). Peak memory consumption was 8.4MB. 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: 1574]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1574]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1598]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1598]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1624]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1624]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1641]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1641]: 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 5 procedures, 121 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 5.4s, OverallIterations: 12, TraceHistogramMax: 6, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 147 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 133 mSDsluCounter, 3717 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1842 mSDsCounter, 11 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 86 IncrementalHoareTripleChecker+Invalid, 97 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 11 mSolverCounterUnsat, 1875 mSDtfsCounter, 86 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 590 GetRequests, 563 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=121occurred in iteration=0, InterpolantAutomatonStates: 37, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 12 MinimizatonAttempts, 11 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 22 LocationsWithAnnotation, 68 PreInvPairs, 87 NumberOfFragments, 62 HoareAnnotationTreeSize, 68 FomulaSimplifications, 28 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 22 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 1019 NumberOfCodeBlocks, 1019 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 1000 ConstructedInterpolants, 0 QuantifiedInterpolants, 1168 SizeOfPredicates, 0 NumberOfNonLiveVariables, 1339 ConjunctsInSsa, 14 ConjunctsInUnsatCore, 19 InterpolantComputations, 12 PerfectInterpolantSequences, 420/458 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 RESULT: Ultimate proved your program to be correct! [2023-11-19 07:54:05,128 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5e9011a-85f2-42b5-9852-22e4ab73fbb6/bin/uautomizer-verify-uCwYo4JHxu/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