./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_15_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version e7bb482b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29ade69e-9ad2-4955-bbae-8f1ae024fc77/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29ade69e-9ad2-4955-bbae-8f1ae024fc77/bin/uautomizer-verify-WvqO1wxjHP/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29ade69e-9ad2-4955-bbae-8f1ae024fc77/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29ade69e-9ad2-4955-bbae-8f1ae024fc77/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_15_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29ade69e-9ad2-4955-bbae-8f1ae024fc77/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29ade69e-9ad2-4955-bbae-8f1ae024fc77/bin/uautomizer-verify-WvqO1wxjHP --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 1eee24e655db3a93554521bbdd9ede60ae87c6549a31d3535875d525cd4027a6 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:06:06,081 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:06:06,227 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29ade69e-9ad2-4955-bbae-8f1ae024fc77/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Overflow-64bit-Automizer_Default.epf [2023-11-06 22:06:06,235 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:06:06,236 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:06:06,287 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:06:06,290 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:06:06,292 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:06:06,293 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:06:06,295 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:06:06,297 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:06:06,299 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:06:06,300 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:06:06,304 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:06:06,304 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 22:06:06,305 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 22:06:06,307 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:06:06,316 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 22:06:06,316 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:06:06,317 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 22:06:06,318 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-06 22:06:06,318 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-06 22:06:06,321 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:06:06,322 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:06:06,323 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:06:06,324 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:06:06,325 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:06:06,325 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:06:06,326 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:06:06,327 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:06:06,328 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 22:06:06,329 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 22:06:06,329 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 22:06:06,330 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:06:06,330 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 22:06:06,330 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:06:06,331 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:06:06,331 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:06:06,331 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_29ade69e-9ad2-4955-bbae-8f1ae024fc77/bin/uautomizer-verify-WvqO1wxjHP/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29ade69e-9ad2-4955-bbae-8f1ae024fc77/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1eee24e655db3a93554521bbdd9ede60ae87c6549a31d3535875d525cd4027a6 [2023-11-06 22:06:06,724 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:06:06,767 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:06:06,771 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:06:06,773 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:06:06,774 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:06:06,776 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29ade69e-9ad2-4955-bbae-8f1ae024fc77/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_15_good.i [2023-11-06 22:06:10,618 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:06:11,231 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:06:11,232 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29ade69e-9ad2-4955-bbae-8f1ae024fc77/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_15_good.i [2023-11-06 22:06:11,266 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29ade69e-9ad2-4955-bbae-8f1ae024fc77/bin/uautomizer-verify-WvqO1wxjHP/data/eadbe0d9a/2b138aff30fe404096e2e390a5016c67/FLAG035ea0a91 [2023-11-06 22:06:11,285 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29ade69e-9ad2-4955-bbae-8f1ae024fc77/bin/uautomizer-verify-WvqO1wxjHP/data/eadbe0d9a/2b138aff30fe404096e2e390a5016c67 [2023-11-06 22:06:11,288 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:06:11,290 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:06:11,292 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:06:11,292 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:06:11,299 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:06:11,300 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:06:11" (1/1) ... [2023-11-06 22:06:11,301 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2dccfa11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:06:11, skipping insertion in model container [2023-11-06 22:06:11,302 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:06:11" (1/1) ... [2023-11-06 22:06:11,369 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:06:11,848 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-06 22:06:12,653 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:06:12,668 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:06:12,708 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-06 22:06:12,844 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:06:13,093 WARN L672 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:06:13,093 WARN L672 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:06:13,094 WARN L672 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:06:13,094 WARN L672 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:06:13,094 WARN L672 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:06:13,105 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:06:13,105 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:06:13 WrapperNode [2023-11-06 22:06:13,106 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:06:13,108 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:06:13,108 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:06:13,108 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:06:13,118 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:06:13" (1/1) ... [2023-11-06 22:06:13,175 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:06:13" (1/1) ... [2023-11-06 22:06:13,264 INFO L138 Inliner]: procedures = 503, calls = 83, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 248 [2023-11-06 22:06:13,265 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:06:13,266 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:06:13,266 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:06:13,267 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:06:13,278 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:06:13" (1/1) ... [2023-11-06 22:06:13,279 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:06:13" (1/1) ... [2023-11-06 22:06:13,286 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:06:13" (1/1) ... [2023-11-06 22:06:13,286 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:06:13" (1/1) ... [2023-11-06 22:06:13,297 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:06:13" (1/1) ... [2023-11-06 22:06:13,302 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:06:13" (1/1) ... [2023-11-06 22:06:13,309 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:06:13" (1/1) ... [2023-11-06 22:06:13,314 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:06:13" (1/1) ... [2023-11-06 22:06:13,323 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:06:13,336 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:06:13,337 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:06:13,337 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:06:13,338 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:06:13" (1/1) ... [2023-11-06 22:06:13,358 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:06:13,382 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29ade69e-9ad2-4955-bbae-8f1ae024fc77/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:06:13,403 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29ade69e-9ad2-4955-bbae-8f1ae024fc77/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 22:06:13,444 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29ade69e-9ad2-4955-bbae-8f1ae024fc77/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 22:06:13,461 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2023-11-06 22:06:13,461 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2023-11-06 22:06:13,461 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-06 22:06:13,461 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-06 22:06:13,462 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:06:13,462 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:06:13,462 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:06:13,462 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-06 22:06:13,463 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 22:06:13,705 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:06:13,708 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:06:14,232 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:06:14,249 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:06:14,250 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-06 22:06:14,252 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:06:14 BoogieIcfgContainer [2023-11-06 22:06:14,252 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:06:14,265 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 22:06:14,265 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 22:06:14,269 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 22:06:14,270 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:06:11" (1/3) ... [2023-11-06 22:06:14,271 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@532213d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:06:14, skipping insertion in model container [2023-11-06 22:06:14,271 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:06:13" (2/3) ... [2023-11-06 22:06:14,272 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@532213d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:06:14, skipping insertion in model container [2023-11-06 22:06:14,272 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:06:14" (3/3) ... [2023-11-06 22:06:14,273 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_rand_sub_15_good.i [2023-11-06 22:06:14,298 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 22:06:14,299 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2023-11-06 22:06:14,368 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 22:06:14,377 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@6a56ac06, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 22:06:14,378 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2023-11-06 22:06:14,384 INFO L276 IsEmpty]: Start isEmpty. Operand has 117 states, 90 states have (on average 1.5888888888888888) internal successors, (143), 108 states have internal predecessors, (143), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 14 states have call predecessors, (16), 16 states have call successors, (16) [2023-11-06 22:06:14,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-06 22:06:14,394 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:06:14,394 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:06:14,395 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)] === [2023-11-06 22:06:14,402 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:06:14,403 INFO L85 PathProgramCache]: Analyzing trace with hash 1169087764, now seen corresponding path program 1 times [2023-11-06 22:06:14,413 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:06:14,414 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [719292393] [2023-11-06 22:06:14,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:06:14,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:06:14,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:14,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-06 22:06:14,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:14,762 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:06:14,763 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:06:14,763 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [719292393] [2023-11-06 22:06:14,779 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [719292393] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:06:14,780 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:06:14,780 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 22:06:14,782 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2136785790] [2023-11-06 22:06:14,783 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:06:14,792 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:06:14,792 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:06:14,839 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:06:14,840 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:06:14,845 INFO L87 Difference]: Start difference. First operand has 117 states, 90 states have (on average 1.5888888888888888) internal successors, (143), 108 states have internal predecessors, (143), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 14 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-06 22:06:14,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:06:14,914 INFO L93 Difference]: Finished difference Result 209 states and 308 transitions. [2023-11-06 22:06:14,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:06:14,922 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 15 [2023-11-06 22:06:14,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:06:14,943 INFO L225 Difference]: With dead ends: 209 [2023-11-06 22:06:14,943 INFO L226 Difference]: Without dead ends: 103 [2023-11-06 22:06:14,948 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:06:14,953 INFO L413 NwaCegarLoop]: 169 mSDtfsCounter, 32 mSDsluCounter, 135 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 304 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:06:14,955 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 304 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:06:14,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2023-11-06 22:06:15,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 103. [2023-11-06 22:06:15,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103 states, 81 states have (on average 1.5925925925925926) internal successors, (129), 96 states have internal predecessors, (129), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 10 states have call predecessors, (12), 12 states have call successors, (12) [2023-11-06 22:06:15,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 153 transitions. [2023-11-06 22:06:15,023 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 153 transitions. Word has length 15 [2023-11-06 22:06:15,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:06:15,025 INFO L495 AbstractCegarLoop]: Abstraction has 103 states and 153 transitions. [2023-11-06 22:06:15,025 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-06 22:06:15,026 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 153 transitions. [2023-11-06 22:06:15,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-06 22:06:15,028 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:06:15,029 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] [2023-11-06 22:06:15,029 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-06 22:06:15,030 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)] === [2023-11-06 22:06:15,030 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:06:15,031 INFO L85 PathProgramCache]: Analyzing trace with hash -1479525187, now seen corresponding path program 1 times [2023-11-06 22:06:15,031 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:06:15,031 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1004924987] [2023-11-06 22:06:15,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:06:15,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:06:15,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:15,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-06 22:06:15,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:15,178 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:06:15,179 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:06:15,179 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1004924987] [2023-11-06 22:06:15,179 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1004924987] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:06:15,180 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:06:15,180 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:06:15,180 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [394112577] [2023-11-06 22:06:15,181 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:06:15,182 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:06:15,183 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:06:15,183 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:06:15,184 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:06:15,184 INFO L87 Difference]: Start difference. First operand 103 states and 153 transitions. Second operand has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-06 22:06:15,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:06:15,222 INFO L93 Difference]: Finished difference Result 105 states and 155 transitions. [2023-11-06 22:06:15,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:06:15,223 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 20 [2023-11-06 22:06:15,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:06:15,226 INFO L225 Difference]: With dead ends: 105 [2023-11-06 22:06:15,227 INFO L226 Difference]: Without dead ends: 104 [2023-11-06 22:06:15,227 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:06:15,230 INFO L413 NwaCegarLoop]: 151 mSDtfsCounter, 36 mSDsluCounter, 111 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 262 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 [2023-11-06 22:06:15,231 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 262 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:06:15,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2023-11-06 22:06:15,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 102. [2023-11-06 22:06:15,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 102 states, 81 states have (on average 1.5802469135802468) internal successors, (128), 95 states have internal predecessors, (128), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 10 states have call predecessors, (12), 12 states have call successors, (12) [2023-11-06 22:06:15,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 152 transitions. [2023-11-06 22:06:15,251 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 152 transitions. Word has length 20 [2023-11-06 22:06:15,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:06:15,252 INFO L495 AbstractCegarLoop]: Abstraction has 102 states and 152 transitions. [2023-11-06 22:06:15,252 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-06 22:06:15,252 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 152 transitions. [2023-11-06 22:06:15,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-06 22:06:15,254 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:06:15,254 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] [2023-11-06 22:06:15,254 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-06 22:06:15,255 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)] === [2023-11-06 22:06:15,256 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:06:15,256 INFO L85 PathProgramCache]: Analyzing trace with hash 1379359607, now seen corresponding path program 1 times [2023-11-06 22:06:15,256 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:06:15,257 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1844972397] [2023-11-06 22:06:15,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:06:15,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:06:15,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:15,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-06 22:06:15,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:15,522 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:06:15,522 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:06:15,523 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1844972397] [2023-11-06 22:06:15,523 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1844972397] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:06:15,523 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:06:15,523 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:06:15,524 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [197527473] [2023-11-06 22:06:15,524 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:06:15,525 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:06:15,525 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:06:15,526 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:06:15,526 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:06:15,527 INFO L87 Difference]: Start difference. First operand 102 states and 152 transitions. Second operand has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-06 22:06:15,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:06:15,555 INFO L93 Difference]: Finished difference Result 102 states and 152 transitions. [2023-11-06 22:06:15,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:06:15,556 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 21 [2023-11-06 22:06:15,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:06:15,558 INFO L225 Difference]: With dead ends: 102 [2023-11-06 22:06:15,559 INFO L226 Difference]: Without dead ends: 101 [2023-11-06 22:06:15,559 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:06:15,561 INFO L413 NwaCegarLoop]: 147 mSDtfsCounter, 37 mSDsluCounter, 103 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 250 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:06:15,562 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 250 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:06:15,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2023-11-06 22:06:15,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101. [2023-11-06 22:06:15,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 81 states have (on average 1.5679012345679013) internal successors, (127), 94 states have internal predecessors, (127), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 10 states have call predecessors, (12), 12 states have call successors, (12) [2023-11-06 22:06:15,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 151 transitions. [2023-11-06 22:06:15,581 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 151 transitions. Word has length 21 [2023-11-06 22:06:15,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:06:15,581 INFO L495 AbstractCegarLoop]: Abstraction has 101 states and 151 transitions. [2023-11-06 22:06:15,582 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-06 22:06:15,582 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 151 transitions. [2023-11-06 22:06:15,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-06 22:06:15,584 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:06:15,584 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] [2023-11-06 22:06:15,584 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-06 22:06:15,585 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)] === [2023-11-06 22:06:15,585 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:06:15,586 INFO L85 PathProgramCache]: Analyzing trace with hash 2049008343, now seen corresponding path program 1 times [2023-11-06 22:06:15,586 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:06:15,586 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1731532677] [2023-11-06 22:06:15,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:06:15,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:06:15,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:15,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-06 22:06:15,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:15,669 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:06:15,670 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:06:15,670 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1731532677] [2023-11-06 22:06:15,670 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1731532677] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:06:15,671 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:06:15,671 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 22:06:15,671 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [534498824] [2023-11-06 22:06:15,672 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:06:15,672 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:06:15,672 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:06:15,673 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:06:15,673 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:06:15,674 INFO L87 Difference]: Start difference. First operand 101 states and 151 transitions. Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-06 22:06:15,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:06:15,725 INFO L93 Difference]: Finished difference Result 169 states and 249 transitions. [2023-11-06 22:06:15,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:06:15,727 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 26 [2023-11-06 22:06:15,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:06:15,732 INFO L225 Difference]: With dead ends: 169 [2023-11-06 22:06:15,732 INFO L226 Difference]: Without dead ends: 101 [2023-11-06 22:06:15,734 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:06:15,736 INFO L413 NwaCegarLoop]: 149 mSDtfsCounter, 6 mSDsluCounter, 135 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 284 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:06:15,737 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 284 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:06:15,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2023-11-06 22:06:15,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101. [2023-11-06 22:06:15,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 81 states have (on average 1.5555555555555556) internal successors, (126), 94 states have internal predecessors, (126), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 10 states have call predecessors, (12), 12 states have call successors, (12) [2023-11-06 22:06:15,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 150 transitions. [2023-11-06 22:06:15,776 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 150 transitions. Word has length 26 [2023-11-06 22:06:15,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:06:15,777 INFO L495 AbstractCegarLoop]: Abstraction has 101 states and 150 transitions. [2023-11-06 22:06:15,777 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-06 22:06:15,778 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 150 transitions. [2023-11-06 22:06:15,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-06 22:06:15,782 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:06:15,782 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:06:15,783 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-06 22:06:15,783 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)] === [2023-11-06 22:06:15,784 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:06:15,785 INFO L85 PathProgramCache]: Analyzing trace with hash 358930341, now seen corresponding path program 1 times [2023-11-06 22:06:15,786 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:06:15,786 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1334831406] [2023-11-06 22:06:15,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:06:15,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:06:15,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:15,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-06 22:06:15,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:15,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-11-06 22:06:15,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:15,937 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-06 22:06:15,937 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:06:15,937 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1334831406] [2023-11-06 22:06:15,938 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1334831406] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:06:15,938 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:06:15,938 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 22:06:15,938 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1722022375] [2023-11-06 22:06:15,938 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:06:15,940 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:06:15,941 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:06:15,942 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:06:15,942 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:06:15,942 INFO L87 Difference]: Start difference. First operand 101 states and 150 transitions. Second operand has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-06 22:06:15,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:06:15,991 INFO L93 Difference]: Finished difference Result 169 states and 248 transitions. [2023-11-06 22:06:15,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:06:15,992 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 30 [2023-11-06 22:06:15,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:06:15,995 INFO L225 Difference]: With dead ends: 169 [2023-11-06 22:06:15,996 INFO L226 Difference]: Without dead ends: 100 [2023-11-06 22:06:15,997 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:06:16,003 INFO L413 NwaCegarLoop]: 146 mSDtfsCounter, 0 mSDsluCounter, 141 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 287 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:06:16,004 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 287 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:06:16,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2023-11-06 22:06:16,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 100. [2023-11-06 22:06:16,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 100 states, 81 states have (on average 1.5432098765432098) internal successors, (125), 93 states have internal predecessors, (125), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 10 states have call predecessors, (11), 11 states have call successors, (11) [2023-11-06 22:06:16,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 147 transitions. [2023-11-06 22:06:16,018 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 147 transitions. Word has length 30 [2023-11-06 22:06:16,019 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:06:16,019 INFO L495 AbstractCegarLoop]: Abstraction has 100 states and 147 transitions. [2023-11-06 22:06:16,019 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-06 22:06:16,020 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 147 transitions. [2023-11-06 22:06:16,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-06 22:06:16,021 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:06:16,022 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:06:16,022 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-06 22:06:16,022 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-06 22:06:16,023 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:06:16,023 INFO L85 PathProgramCache]: Analyzing trace with hash -61144257, now seen corresponding path program 1 times [2023-11-06 22:06:16,023 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:06:16,024 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1572851767] [2023-11-06 22:06:16,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:06:16,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:06:16,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:16,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-06 22:06:16,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:16,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-06 22:06:16,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:16,139 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-06 22:06:16,140 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:06:16,140 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1572851767] [2023-11-06 22:06:16,140 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1572851767] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:06:16,140 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:06:16,140 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 22:06:16,141 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [647935432] [2023-11-06 22:06:16,141 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:06:16,141 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:06:16,142 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:06:16,142 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:06:16,142 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:06:16,143 INFO L87 Difference]: Start difference. First operand 100 states and 147 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-06 22:06:16,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:06:16,158 INFO L93 Difference]: Finished difference Result 145 states and 206 transitions. [2023-11-06 22:06:16,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:06:16,159 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 32 [2023-11-06 22:06:16,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:06:16,161 INFO L225 Difference]: With dead ends: 145 [2023-11-06 22:06:16,161 INFO L226 Difference]: Without dead ends: 98 [2023-11-06 22:06:16,162 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:06:16,163 INFO L413 NwaCegarLoop]: 141 mSDtfsCounter, 32 mSDsluCounter, 107 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 248 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:06:16,164 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 248 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:06:16,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2023-11-06 22:06:16,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 98. [2023-11-06 22:06:16,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98 states, 80 states have (on average 1.525) internal successors, (122), 91 states have internal predecessors, (122), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) [2023-11-06 22:06:16,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 142 transitions. [2023-11-06 22:06:16,176 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 142 transitions. Word has length 32 [2023-11-06 22:06:16,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:06:16,176 INFO L495 AbstractCegarLoop]: Abstraction has 98 states and 142 transitions. [2023-11-06 22:06:16,176 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-06 22:06:16,177 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 142 transitions. [2023-11-06 22:06:16,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-06 22:06:16,178 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:06:16,179 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:06:16,179 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-06 22:06:16,179 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-06 22:06:16,180 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:06:16,180 INFO L85 PathProgramCache]: Analyzing trace with hash 918300096, now seen corresponding path program 1 times [2023-11-06 22:06:16,180 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:06:16,180 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [530723486] [2023-11-06 22:06:16,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:06:16,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:06:16,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:16,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-06 22:06:16,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:16,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-06 22:06:16,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:16,263 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-06 22:06:16,264 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:06:16,264 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [530723486] [2023-11-06 22:06:16,264 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [530723486] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:06:16,264 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:06:16,264 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:06:16,265 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1153011568] [2023-11-06 22:06:16,265 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:06:16,265 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:06:16,266 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:06:16,266 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:06:16,267 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:06:16,267 INFO L87 Difference]: Start difference. First operand 98 states and 142 transitions. Second operand has 3 states, 2 states have (on average 15.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-06 22:06:16,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:06:16,291 INFO L93 Difference]: Finished difference Result 100 states and 144 transitions. [2023-11-06 22:06:16,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:06:16,292 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 15.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 37 [2023-11-06 22:06:16,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:06:16,293 INFO L225 Difference]: With dead ends: 100 [2023-11-06 22:06:16,294 INFO L226 Difference]: Without dead ends: 99 [2023-11-06 22:06:16,294 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:06:16,295 INFO L413 NwaCegarLoop]: 140 mSDtfsCounter, 36 mSDsluCounter, 100 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 240 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 [2023-11-06 22:06:16,296 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 240 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:06:16,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2023-11-06 22:06:16,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 97. [2023-11-06 22:06:16,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 80 states have (on average 1.5125) internal successors, (121), 90 states have internal predecessors, (121), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) [2023-11-06 22:06:16,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 141 transitions. [2023-11-06 22:06:16,308 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 141 transitions. Word has length 37 [2023-11-06 22:06:16,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:06:16,309 INFO L495 AbstractCegarLoop]: Abstraction has 97 states and 141 transitions. [2023-11-06 22:06:16,309 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 15.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-06 22:06:16,309 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 141 transitions. [2023-11-06 22:06:16,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-06 22:06:16,311 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:06:16,312 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:06:16,312 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-06 22:06:16,312 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-06 22:06:16,313 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:06:16,313 INFO L85 PathProgramCache]: Analyzing trace with hash -1597467838, now seen corresponding path program 1 times [2023-11-06 22:06:16,313 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:06:16,314 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [673554245] [2023-11-06 22:06:16,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:06:16,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:06:16,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:16,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-06 22:06:16,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:16,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-06 22:06:16,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:16,457 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-06 22:06:16,458 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:06:16,458 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [673554245] [2023-11-06 22:06:16,458 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [673554245] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:06:16,458 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:06:16,459 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:06:16,459 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [605457002] [2023-11-06 22:06:16,459 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:06:16,460 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:06:16,460 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:06:16,461 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:06:16,461 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:06:16,461 INFO L87 Difference]: Start difference. First operand 97 states and 141 transitions. Second operand has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-06 22:06:16,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:06:16,480 INFO L93 Difference]: Finished difference Result 97 states and 141 transitions. [2023-11-06 22:06:16,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:06:16,481 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 38 [2023-11-06 22:06:16,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:06:16,483 INFO L225 Difference]: With dead ends: 97 [2023-11-06 22:06:16,483 INFO L226 Difference]: Without dead ends: 96 [2023-11-06 22:06:16,484 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:06:16,485 INFO L413 NwaCegarLoop]: 136 mSDtfsCounter, 38 mSDsluCounter, 92 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 228 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:06:16,485 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 228 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:06:16,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2023-11-06 22:06:16,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96. [2023-11-06 22:06:16,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 80 states have (on average 1.5) internal successors, (120), 89 states have internal predecessors, (120), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) [2023-11-06 22:06:16,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 140 transitions. [2023-11-06 22:06:16,497 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 140 transitions. Word has length 38 [2023-11-06 22:06:16,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:06:16,498 INFO L495 AbstractCegarLoop]: Abstraction has 96 states and 140 transitions. [2023-11-06 22:06:16,498 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-06 22:06:16,498 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 140 transitions. [2023-11-06 22:06:16,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-06 22:06:16,501 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:06:16,501 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:06:16,501 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-06 22:06:16,502 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)] === [2023-11-06 22:06:16,502 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:06:16,502 INFO L85 PathProgramCache]: Analyzing trace with hash -905514887, now seen corresponding path program 1 times [2023-11-06 22:06:16,503 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:06:16,503 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1376810419] [2023-11-06 22:06:16,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:06:16,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:06:16,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:16,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-06 22:06:16,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:16,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-06 22:06:16,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:16,575 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-06 22:06:16,576 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:06:16,576 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1376810419] [2023-11-06 22:06:16,576 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1376810419] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:06:16,577 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:06:16,577 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 22:06:16,577 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1801593535] [2023-11-06 22:06:16,577 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:06:16,578 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:06:16,578 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:06:16,579 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:06:16,579 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:06:16,579 INFO L87 Difference]: Start difference. First operand 96 states and 140 transitions. Second operand has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-06 22:06:16,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:06:16,613 INFO L93 Difference]: Finished difference Result 129 states and 181 transitions. [2023-11-06 22:06:16,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:06:16,614 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 43 [2023-11-06 22:06:16,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:06:16,615 INFO L225 Difference]: With dead ends: 129 [2023-11-06 22:06:16,615 INFO L226 Difference]: Without dead ends: 94 [2023-11-06 22:06:16,616 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:06:16,617 INFO L413 NwaCegarLoop]: 134 mSDtfsCounter, 6 mSDsluCounter, 123 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 257 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 [2023-11-06 22:06:16,618 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 257 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:06:16,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2023-11-06 22:06:16,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 94. [2023-11-06 22:06:16,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 79 states have (on average 1.481012658227848) internal successors, (117), 87 states have internal predecessors, (117), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2023-11-06 22:06:16,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 135 transitions. [2023-11-06 22:06:16,632 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 135 transitions. Word has length 43 [2023-11-06 22:06:16,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:06:16,633 INFO L495 AbstractCegarLoop]: Abstraction has 94 states and 135 transitions. [2023-11-06 22:06:16,633 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-06 22:06:16,633 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 135 transitions. [2023-11-06 22:06:16,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-06 22:06:16,658 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:06:16,658 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:06:16,658 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-06 22:06:16,658 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-06 22:06:16,659 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:06:16,659 INFO L85 PathProgramCache]: Analyzing trace with hash 2143133321, now seen corresponding path program 1 times [2023-11-06 22:06:16,659 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:06:16,659 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [246534741] [2023-11-06 22:06:16,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:06:16,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:06:16,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:16,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-06 22:06:16,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:16,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-06 22:06:16,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:16,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-06 22:06:16,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:16,769 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-06 22:06:16,769 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:06:16,770 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [246534741] [2023-11-06 22:06:16,770 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [246534741] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:06:16,770 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:06:16,770 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 22:06:16,772 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1156908577] [2023-11-06 22:06:16,773 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:06:16,773 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:06:16,774 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:06:16,774 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:06:16,775 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:06:16,775 INFO L87 Difference]: Start difference. First operand 94 states and 135 transitions. Second operand has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 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) [2023-11-06 22:06:16,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:06:16,796 INFO L93 Difference]: Finished difference Result 122 states and 168 transitions. [2023-11-06 22:06:16,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:06:16,797 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 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 48 [2023-11-06 22:06:16,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:06:16,801 INFO L225 Difference]: With dead ends: 122 [2023-11-06 22:06:16,801 INFO L226 Difference]: Without dead ends: 94 [2023-11-06 22:06:16,802 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:06:16,803 INFO L413 NwaCegarLoop]: 133 mSDtfsCounter, 1 mSDsluCounter, 127 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 260 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:06:16,805 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 260 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:06:16,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2023-11-06 22:06:16,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 94. [2023-11-06 22:06:16,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 79 states have (on average 1.4683544303797469) internal successors, (116), 87 states have internal predecessors, (116), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2023-11-06 22:06:16,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 134 transitions. [2023-11-06 22:06:16,819 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 134 transitions. Word has length 48 [2023-11-06 22:06:16,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:06:16,820 INFO L495 AbstractCegarLoop]: Abstraction has 94 states and 134 transitions. [2023-11-06 22:06:16,820 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 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) [2023-11-06 22:06:16,820 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 134 transitions. [2023-11-06 22:06:16,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-06 22:06:16,826 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:06:16,827 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:06:16,827 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-06 22:06:16,828 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-06 22:06:16,828 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:06:16,829 INFO L85 PathProgramCache]: Analyzing trace with hash 2143073739, now seen corresponding path program 1 times [2023-11-06 22:06:16,829 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:06:16,829 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [829748608] [2023-11-06 22:06:16,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:06:16,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:06:16,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:16,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-06 22:06:16,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:16,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-06 22:06:16,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:16,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-06 22:06:16,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:16,958 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-06 22:06:16,959 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:06:16,959 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [829748608] [2023-11-06 22:06:16,960 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [829748608] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:06:16,962 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:06:16,962 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:06:16,963 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [550708843] [2023-11-06 22:06:16,963 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:06:16,963 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:06:16,964 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:06:16,964 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:06:16,968 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:06:16,969 INFO L87 Difference]: Start difference. First operand 94 states and 134 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, (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) [2023-11-06 22:06:16,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:06:16,990 INFO L93 Difference]: Finished difference Result 94 states and 134 transitions. [2023-11-06 22:06:16,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:06:16,992 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, (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 48 [2023-11-06 22:06:16,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:06:16,994 INFO L225 Difference]: With dead ends: 94 [2023-11-06 22:06:16,995 INFO L226 Difference]: Without dead ends: 93 [2023-11-06 22:06:17,001 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 [2023-11-06 22:06:17,003 INFO L413 NwaCegarLoop]: 130 mSDtfsCounter, 10 mSDsluCounter, 115 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 245 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:06:17,003 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 245 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:06:17,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2023-11-06 22:06:17,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 93. [2023-11-06 22:06:17,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 79 states have (on average 1.4556962025316456) internal successors, (115), 86 states have internal predecessors, (115), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2023-11-06 22:06:17,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 133 transitions. [2023-11-06 22:06:17,018 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 133 transitions. Word has length 48 [2023-11-06 22:06:17,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:06:17,022 INFO L495 AbstractCegarLoop]: Abstraction has 93 states and 133 transitions. [2023-11-06 22:06:17,023 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, (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) [2023-11-06 22:06:17,023 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 133 transitions. [2023-11-06 22:06:17,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-06 22:06:17,025 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:06:17,025 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:06:17,026 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-11-06 22:06:17,026 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-06 22:06:17,027 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:06:17,027 INFO L85 PathProgramCache]: Analyzing trace with hash 2010776765, now seen corresponding path program 1 times [2023-11-06 22:06:17,027 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:06:17,027 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [932478360] [2023-11-06 22:06:17,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:06:17,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:06:17,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:17,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-06 22:06:17,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:17,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-06 22:06:17,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:17,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-06 22:06:17,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:17,158 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-06 22:06:17,158 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:06:17,159 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [932478360] [2023-11-06 22:06:17,159 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [932478360] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:06:17,159 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:06:17,159 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:06:17,160 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1666203099] [2023-11-06 22:06:17,160 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:06:17,160 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:06:17,161 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:06:17,161 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:06:17,162 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:06:17,162 INFO L87 Difference]: Start difference. First operand 93 states and 133 transitions. Second operand has 3 states, 2 states have (on average 18.5) internal successors, (37), 3 states have internal predecessors, (37), 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) [2023-11-06 22:06:17,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:06:17,193 INFO L93 Difference]: Finished difference Result 104 states and 148 transitions. [2023-11-06 22:06:17,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:06:17,194 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 18.5) internal successors, (37), 3 states have internal predecessors, (37), 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 49 [2023-11-06 22:06:17,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:06:17,195 INFO L225 Difference]: With dead ends: 104 [2023-11-06 22:06:17,196 INFO L226 Difference]: Without dead ends: 103 [2023-11-06 22:06:17,196 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 [2023-11-06 22:06:17,197 INFO L413 NwaCegarLoop]: 131 mSDtfsCounter, 6 mSDsluCounter, 127 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 258 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 [2023-11-06 22:06:17,197 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 258 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:06:17,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2023-11-06 22:06:17,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 97. [2023-11-06 22:06:17,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 83 states have (on average 1.4457831325301205) internal successors, (120), 89 states have internal predecessors, (120), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2023-11-06 22:06:17,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 138 transitions. [2023-11-06 22:06:17,215 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 138 transitions. Word has length 49 [2023-11-06 22:06:17,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:06:17,216 INFO L495 AbstractCegarLoop]: Abstraction has 97 states and 138 transitions. [2023-11-06 22:06:17,216 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 18.5) internal successors, (37), 3 states have internal predecessors, (37), 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) [2023-11-06 22:06:17,216 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 138 transitions. [2023-11-06 22:06:17,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-11-06 22:06:17,218 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:06:17,218 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 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] [2023-11-06 22:06:17,218 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-11-06 22:06:17,218 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-06 22:06:17,219 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:06:17,219 INFO L85 PathProgramCache]: Analyzing trace with hash 1272497446, now seen corresponding path program 1 times [2023-11-06 22:06:17,219 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:06:17,219 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [781757327] [2023-11-06 22:06:17,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:06:17,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:06:17,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:17,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-06 22:06:17,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:17,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-06 22:06:17,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:17,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-06 22:06:17,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:17,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2023-11-06 22:06:17,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:17,317 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-06 22:06:17,317 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:06:17,317 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [781757327] [2023-11-06 22:06:17,317 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [781757327] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:06:17,318 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:06:17,318 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 22:06:17,318 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1432940620] [2023-11-06 22:06:17,318 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:06:17,319 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:06:17,319 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:06:17,320 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:06:17,320 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:06:17,320 INFO L87 Difference]: Start difference. First operand 97 states and 138 transitions. Second operand has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2023-11-06 22:06:17,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:06:17,335 INFO L93 Difference]: Finished difference Result 119 states and 164 transitions. [2023-11-06 22:06:17,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:06:17,336 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 53 [2023-11-06 22:06:17,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:06:17,338 INFO L225 Difference]: With dead ends: 119 [2023-11-06 22:06:17,338 INFO L226 Difference]: Without dead ends: 91 [2023-11-06 22:06:17,338 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:06:17,339 INFO L413 NwaCegarLoop]: 128 mSDtfsCounter, 0 mSDsluCounter, 124 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 252 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:06:17,340 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 252 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:06:17,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2023-11-06 22:06:17,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91. [2023-11-06 22:06:17,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 79 states have (on average 1.4303797468354431) internal successors, (113), 84 states have internal predecessors, (113), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2023-11-06 22:06:17,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 129 transitions. [2023-11-06 22:06:17,348 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 129 transitions. Word has length 53 [2023-11-06 22:06:17,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:06:17,349 INFO L495 AbstractCegarLoop]: Abstraction has 91 states and 129 transitions. [2023-11-06 22:06:17,349 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2023-11-06 22:06:17,349 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 129 transitions. [2023-11-06 22:06:17,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-06 22:06:17,350 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:06:17,351 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:06:17,351 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-11-06 22:06:17,351 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-06 22:06:17,352 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:06:17,352 INFO L85 PathProgramCache]: Analyzing trace with hash 1446929021, now seen corresponding path program 1 times [2023-11-06 22:06:17,352 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:06:17,353 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [486725051] [2023-11-06 22:06:17,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:06:17,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:06:17,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:17,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-06 22:06:17,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:17,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-06 22:06:17,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:17,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-06 22:06:17,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:17,450 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-06 22:06:17,450 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:06:17,451 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [486725051] [2023-11-06 22:06:17,451 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [486725051] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:06:17,451 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:06:17,451 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 22:06:17,452 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [956085721] [2023-11-06 22:06:17,452 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:06:17,452 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:06:17,452 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:06:17,453 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:06:17,453 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:06:17,454 INFO L87 Difference]: Start difference. First operand 91 states and 129 transitions. Second operand has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 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) [2023-11-06 22:06:17,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:06:17,467 INFO L93 Difference]: Finished difference Result 106 states and 146 transitions. [2023-11-06 22:06:17,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:06:17,467 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 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 54 [2023-11-06 22:06:17,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:06:17,469 INFO L225 Difference]: With dead ends: 106 [2023-11-06 22:06:17,469 INFO L226 Difference]: Without dead ends: 89 [2023-11-06 22:06:17,470 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:06:17,471 INFO L413 NwaCegarLoop]: 123 mSDtfsCounter, 4 mSDsluCounter, 115 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 238 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 [2023-11-06 22:06:17,471 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 238 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:06:17,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2023-11-06 22:06:17,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 89. [2023-11-06 22:06:17,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89 states, 78 states have (on average 1.4102564102564104) internal successors, (110), 82 states have internal predecessors, (110), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-11-06 22:06:17,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 124 transitions. [2023-11-06 22:06:17,479 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 124 transitions. Word has length 54 [2023-11-06 22:06:17,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:06:17,479 INFO L495 AbstractCegarLoop]: Abstraction has 89 states and 124 transitions. [2023-11-06 22:06:17,480 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 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) [2023-11-06 22:06:17,480 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 124 transitions. [2023-11-06 22:06:17,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-06 22:06:17,481 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:06:17,481 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:06:17,481 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-11-06 22:06:17,482 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-06 22:06:17,482 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:06:17,482 INFO L85 PathProgramCache]: Analyzing trace with hash -1264999205, now seen corresponding path program 1 times [2023-11-06 22:06:17,483 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:06:17,483 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1305793403] [2023-11-06 22:06:17,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:06:17,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:06:17,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:17,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-06 22:06:17,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:17,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-06 22:06:17,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:17,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-06 22:06:17,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:17,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-11-06 22:06:17,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:17,573 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-06 22:06:17,573 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:06:17,573 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1305793403] [2023-11-06 22:06:17,574 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1305793403] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:06:17,574 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:06:17,574 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:06:17,574 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [503625269] [2023-11-06 22:06:17,575 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:06:17,575 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:06:17,575 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:06:17,576 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:06:17,576 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:06:17,576 INFO L87 Difference]: Start difference. First operand 89 states and 124 transitions. Second operand has 3 states, 2 states have (on average 23.0) internal successors, (46), 3 states have internal predecessors, (46), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2023-11-06 22:06:17,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:06:17,588 INFO L93 Difference]: Finished difference Result 89 states and 124 transitions. [2023-11-06 22:06:17,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:06:17,589 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 23.0) internal successors, (46), 3 states have internal predecessors, (46), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 60 [2023-11-06 22:06:17,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:06:17,591 INFO L225 Difference]: With dead ends: 89 [2023-11-06 22:06:17,591 INFO L226 Difference]: Without dead ends: 88 [2023-11-06 22:06:17,591 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:06:17,592 INFO L413 NwaCegarLoop]: 121 mSDtfsCounter, 5 mSDsluCounter, 113 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 234 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 [2023-11-06 22:06:17,593 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 234 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:06:17,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2023-11-06 22:06:17,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 88. [2023-11-06 22:06:17,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 78 states have (on average 1.3974358974358974) internal successors, (109), 81 states have internal predecessors, (109), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-11-06 22:06:17,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 123 transitions. [2023-11-06 22:06:17,600 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 123 transitions. Word has length 60 [2023-11-06 22:06:17,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:06:17,601 INFO L495 AbstractCegarLoop]: Abstraction has 88 states and 123 transitions. [2023-11-06 22:06:17,601 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 23.0) internal successors, (46), 3 states have internal predecessors, (46), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2023-11-06 22:06:17,601 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 123 transitions. [2023-11-06 22:06:17,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-06 22:06:17,602 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:06:17,603 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:06:17,603 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-11-06 22:06:17,603 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-06 22:06:17,604 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:06:17,604 INFO L85 PathProgramCache]: Analyzing trace with hash -560269361, now seen corresponding path program 1 times [2023-11-06 22:06:17,604 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:06:17,605 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [425888398] [2023-11-06 22:06:17,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:06:17,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:06:17,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:17,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-06 22:06:17,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:17,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-06 22:06:17,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:17,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-06 22:06:17,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:17,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-11-06 22:06:17,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:17,708 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-06 22:06:17,708 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:06:17,708 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [425888398] [2023-11-06 22:06:17,709 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [425888398] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:06:17,709 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:06:17,709 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:06:17,709 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1176802165] [2023-11-06 22:06:17,710 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:06:17,710 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:06:17,710 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:06:17,711 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:06:17,711 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:06:17,711 INFO L87 Difference]: Start difference. First operand 88 states and 123 transitions. Second operand has 3 states, 2 states have (on average 23.5) internal successors, (47), 3 states have internal predecessors, (47), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2023-11-06 22:06:17,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:06:17,729 INFO L93 Difference]: Finished difference Result 93 states and 127 transitions. [2023-11-06 22:06:17,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:06:17,730 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 23.5) internal successors, (47), 3 states have internal predecessors, (47), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 61 [2023-11-06 22:06:17,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:06:17,731 INFO L225 Difference]: With dead ends: 93 [2023-11-06 22:06:17,745 INFO L226 Difference]: Without dead ends: 88 [2023-11-06 22:06:17,746 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:06:17,747 INFO L413 NwaCegarLoop]: 122 mSDtfsCounter, 0 mSDsluCounter, 119 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 241 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 [2023-11-06 22:06:17,747 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 241 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:06:17,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2023-11-06 22:06:17,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 88. [2023-11-06 22:06:17,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 78 states have (on average 1.3846153846153846) internal successors, (108), 81 states have internal predecessors, (108), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-11-06 22:06:17,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 122 transitions. [2023-11-06 22:06:17,755 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 122 transitions. Word has length 61 [2023-11-06 22:06:17,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:06:17,755 INFO L495 AbstractCegarLoop]: Abstraction has 88 states and 122 transitions. [2023-11-06 22:06:17,756 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 23.5) internal successors, (47), 3 states have internal predecessors, (47), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2023-11-06 22:06:17,756 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 122 transitions. [2023-11-06 22:06:17,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-11-06 22:06:17,757 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:06:17,757 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:06:17,757 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-11-06 22:06:17,758 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-06 22:06:17,758 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:06:17,758 INFO L85 PathProgramCache]: Analyzing trace with hash -133160774, now seen corresponding path program 1 times [2023-11-06 22:06:17,759 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:06:17,759 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [888547788] [2023-11-06 22:06:17,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:06:17,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:06:17,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:17,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-06 22:06:17,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:17,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-06 22:06:17,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:17,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-06 22:06:17,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:17,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-11-06 22:06:17,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:17,890 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-06 22:06:17,891 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:06:17,891 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [888547788] [2023-11-06 22:06:17,891 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [888547788] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:06:17,891 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:06:17,892 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 22:06:17,892 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1093612137] [2023-11-06 22:06:17,892 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:06:17,894 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:06:17,894 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:06:17,895 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:06:17,895 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:06:17,896 INFO L87 Difference]: Start difference. First operand 88 states and 122 transitions. Second operand has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2023-11-06 22:06:17,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:06:17,906 INFO L93 Difference]: Finished difference Result 92 states and 126 transitions. [2023-11-06 22:06:17,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:06:17,906 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 62 [2023-11-06 22:06:17,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:06:17,907 INFO L225 Difference]: With dead ends: 92 [2023-11-06 22:06:17,907 INFO L226 Difference]: Without dead ends: 0 [2023-11-06 22:06:17,908 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:06:17,909 INFO L413 NwaCegarLoop]: 113 mSDtfsCounter, 0 mSDsluCounter, 112 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 225 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:06:17,910 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 225 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:06:17,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-06 22:06:17,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-06 22:06:17,911 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) [2023-11-06 22:06:17,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-06 22:06:17,911 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 62 [2023-11-06 22:06:17,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:06:17,912 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-06 22:06:17,912 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2023-11-06 22:06:17,912 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-06 22:06:17,912 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-06 22:06:17,916 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 8 remaining) [2023-11-06 22:06:17,917 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 8 remaining) [2023-11-06 22:06:17,917 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining) [2023-11-06 22:06:17,917 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2023-11-06 22:06:17,918 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2023-11-06 22:06:17,918 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2023-11-06 22:06:17,918 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2023-11-06 22:06:17,918 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2023-11-06 22:06:17,919 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-11-06 22:06:17,921 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-06 22:06:18,031 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1412 1418) the Hoare annotation is: true [2023-11-06 22:06:18,032 INFO L899 garLoopResultBuilder]: For program point printLineEXIT(lines 1412 1418) no Hoare annotation was computed. [2023-11-06 22:06:18,032 INFO L899 garLoopResultBuilder]: For program point L1414(lines 1414 1417) no Hoare annotation was computed. [2023-11-06 22:06:18,032 INFO L899 garLoopResultBuilder]: For program point L1414-2(lines 1412 1418) no Hoare annotation was computed. [2023-11-06 22:06:18,033 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1426 1429) the Hoare annotation is: true [2023-11-06 22:06:18,033 INFO L899 garLoopResultBuilder]: For program point printIntLineEXIT(lines 1426 1429) no Hoare annotation was computed. [2023-11-06 22:06:18,033 INFO L899 garLoopResultBuilder]: For program point printIntLineFINAL(lines 1426 1429) no Hoare annotation was computed. [2023-11-06 22:06:18,033 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1597) no Hoare annotation was computed. [2023-11-06 22:06:18,034 INFO L902 garLoopResultBuilder]: At program point L1654(line 1654) the Hoare annotation is: true [2023-11-06 22:06:18,034 INFO L899 garLoopResultBuilder]: For program point L1654-1(line 1654) no Hoare annotation was computed. [2023-11-06 22:06:18,034 INFO L899 garLoopResultBuilder]: For program point L1588(line 1588) no Hoare annotation was computed. [2023-11-06 22:06:18,034 INFO L899 garLoopResultBuilder]: For program point L1555(line 1555) no Hoare annotation was computed. [2023-11-06 22:06:18,034 INFO L899 garLoopResultBuilder]: For program point L1555-1(line 1555) no Hoare annotation was computed. [2023-11-06 22:06:18,034 INFO L899 garLoopResultBuilder]: For program point L1555-3(line 1555) no Hoare annotation was computed. [2023-11-06 22:06:18,035 INFO L899 garLoopResultBuilder]: For program point L1555-5(line 1555) no Hoare annotation was computed. [2023-11-06 22:06:18,035 INFO L899 garLoopResultBuilder]: For program point L1555-7(line 1555) no Hoare annotation was computed. [2023-11-06 22:06:18,035 INFO L899 garLoopResultBuilder]: For program point L1555-8(line 1555) no Hoare annotation was computed. [2023-11-06 22:06:18,035 INFO L899 garLoopResultBuilder]: For program point L1555-10(line 1555) no Hoare annotation was computed. [2023-11-06 22:06:18,035 INFO L899 garLoopResultBuilder]: For program point L1555-12(line 1555) no Hoare annotation was computed. [2023-11-06 22:06:18,036 INFO L899 garLoopResultBuilder]: For program point L1555-14(line 1555) no Hoare annotation was computed. [2023-11-06 22:06:18,036 INFO L899 garLoopResultBuilder]: For program point L1605(line 1605) no Hoare annotation was computed. [2023-11-06 22:06:18,036 INFO L899 garLoopResultBuilder]: For program point L1555-16(line 1555) no Hoare annotation was computed. [2023-11-06 22:06:18,036 INFO L899 garLoopResultBuilder]: For program point L1555-18(line 1555) no Hoare annotation was computed. [2023-11-06 22:06:18,036 INFO L899 garLoopResultBuilder]: For program point L1555-20(line 1555) no Hoare annotation was computed. [2023-11-06 22:06:18,037 INFO L899 garLoopResultBuilder]: For program point L1555-22(line 1555) no Hoare annotation was computed. [2023-11-06 22:06:18,037 INFO L899 garLoopResultBuilder]: For program point L1555-23(line 1555) no Hoare annotation was computed. [2023-11-06 22:06:18,037 INFO L899 garLoopResultBuilder]: For program point L1555-25(line 1555) no Hoare annotation was computed. [2023-11-06 22:06:18,037 INFO L899 garLoopResultBuilder]: For program point L1555-27(line 1555) no Hoare annotation was computed. [2023-11-06 22:06:18,037 INFO L899 garLoopResultBuilder]: For program point L1555-29(line 1555) no Hoare annotation was computed. [2023-11-06 22:06:18,037 INFO L899 garLoopResultBuilder]: For program point L1555-30(line 1555) no Hoare annotation was computed. [2023-11-06 22:06:18,038 INFO L895 garLoopResultBuilder]: At program point L1589(line 1589) the Hoare annotation is: false [2023-11-06 22:06:18,038 INFO L902 garLoopResultBuilder]: At program point L1672(line 1672) the Hoare annotation is: true [2023-11-06 22:06:18,038 INFO L899 garLoopResultBuilder]: For program point L1672-1(line 1672) no Hoare annotation was computed. [2023-11-06 22:06:18,038 INFO L895 garLoopResultBuilder]: At program point L1606(line 1606) the Hoare annotation is: false [2023-11-06 22:06:18,038 INFO L895 garLoopResultBuilder]: At program point L1623(lines 1623 1634) the Hoare annotation is: (and |ULTIMATE.start_goodG2B1_#t~switch127#1| (<= 0 (+ 2 |ULTIMATE.start_goodG2B1_~data~2#1|))) [2023-11-06 22:06:18,039 INFO L899 garLoopResultBuilder]: For program point L1557(line 1557) no Hoare annotation was computed. [2023-11-06 22:06:18,040 INFO L895 garLoopResultBuilder]: At program point L1640(lines 1640 1648) the Hoare annotation is: (= (+ |ULTIMATE.start_goodG2B2_~data~3#1| 2) 0) [2023-11-06 22:06:18,040 INFO L895 garLoopResultBuilder]: At program point L1574(line 1574) the Hoare annotation is: (and |ULTIMATE.start_goodB2G1_#t~switch111#1| (<= |ULTIMATE.start_goodB2G1_~data~0#1| 2147483647)) [2023-11-06 22:06:18,041 INFO L899 garLoopResultBuilder]: For program point L1657(line 1657) no Hoare annotation was computed. [2023-11-06 22:06:18,041 INFO L895 garLoopResultBuilder]: At program point L1558(line 1558) the Hoare annotation is: false [2023-11-06 22:06:18,041 INFO L902 garLoopResultBuilder]: At program point L1674(line 1674) the Hoare annotation is: true [2023-11-06 22:06:18,041 INFO L899 garLoopResultBuilder]: For program point L1674-1(line 1674) no Hoare annotation was computed. [2023-11-06 22:06:18,041 INFO L902 garLoopResultBuilder]: At program point L1658(line 1658) the Hoare annotation is: true [2023-11-06 22:06:18,041 INFO L899 garLoopResultBuilder]: For program point L1625(line 1625) no Hoare annotation was computed. [2023-11-06 22:06:18,042 INFO L895 garLoopResultBuilder]: At program point L1592(lines 1592 1608) the Hoare annotation is: (and |ULTIMATE.start_goodB2G2_#t~switch125#1| (<= |ULTIMATE.start_goodB2G2_~data~1#1| 2147483647)) [2023-11-06 22:06:18,042 INFO L899 garLoopResultBuilder]: For program point L1642(line 1642) no Hoare annotation was computed. [2023-11-06 22:06:18,042 INFO L899 garLoopResultBuilder]: For program point L1610(lines 1610 1635) no Hoare annotation was computed. [2023-11-06 22:06:18,042 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-06 22:06:18,042 INFO L899 garLoopResultBuilder]: For program point L1627(line 1627) no Hoare annotation was computed. [2023-11-06 22:06:18,043 INFO L899 garLoopResultBuilder]: For program point L1594(line 1594) no Hoare annotation was computed. [2023-11-06 22:06:18,043 INFO L899 garLoopResultBuilder]: For program point L1627-1(line 1627) no Hoare annotation was computed. [2023-11-06 22:06:18,044 INFO L895 garLoopResultBuilder]: At program point L1561(lines 1561 1577) the Hoare annotation is: (and |ULTIMATE.start_goodB2G1_#t~switch111#1| (<= |ULTIMATE.start_goodB2G1_~data~0#1| 2147483647)) [2023-11-06 22:06:18,044 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1597) no Hoare annotation was computed. [2023-11-06 22:06:18,045 INFO L895 garLoopResultBuilder]: At program point L1628(line 1628) the Hoare annotation is: (and |ULTIMATE.start_goodG2B1_#t~switch127#1| (<= 0 (+ 2 |ULTIMATE.start_goodG2B1_~data~2#1|))) [2023-11-06 22:06:18,045 INFO L899 garLoopResultBuilder]: For program point L1595(lines 1595 1603) no Hoare annotation was computed. [2023-11-06 22:06:18,045 INFO L899 garLoopResultBuilder]: For program point L1628-1(line 1628) no Hoare annotation was computed. [2023-11-06 22:06:18,047 INFO L899 garLoopResultBuilder]: For program point L1645(line 1645) no Hoare annotation was computed. [2023-11-06 22:06:18,047 INFO L899 garLoopResultBuilder]: For program point L1579(lines 1579 1609) no Hoare annotation was computed. [2023-11-06 22:06:18,048 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1653) no Hoare annotation was computed. [2023-11-06 22:06:18,048 INFO L899 garLoopResultBuilder]: For program point L1662(lines 1662 1668) no Hoare annotation was computed. [2023-11-06 22:06:18,048 INFO L899 garLoopResultBuilder]: For program point L1563(line 1563) no Hoare annotation was computed. [2023-11-06 22:06:18,048 INFO L895 garLoopResultBuilder]: At program point L1646(line 1646) the Hoare annotation is: false [2023-11-06 22:06:18,048 INFO L902 garLoopResultBuilder]: At program point main_returnLabel#1(lines 1669 1676) the Hoare annotation is: true [2023-11-06 22:06:18,049 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1653) no Hoare annotation was computed. [2023-11-06 22:06:18,049 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1569) no Hoare annotation was computed. [2023-11-06 22:06:18,049 INFO L899 garLoopResultBuilder]: For program point L1597(line 1597) no Hoare annotation was computed. [2023-11-06 22:06:18,049 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-11-06 22:06:18,049 INFO L895 garLoopResultBuilder]: At program point L1564(line 1564) the Hoare annotation is: false [2023-11-06 22:06:18,049 INFO L899 garLoopResultBuilder]: For program point L1597-1(line 1597) no Hoare annotation was computed. [2023-11-06 22:06:18,050 INFO L895 garLoopResultBuilder]: At program point L1614(lines 1614 1622) the Hoare annotation is: (and |ULTIMATE.start_goodG2B1_#t~switch126#1| (= (+ 2 |ULTIMATE.start_goodG2B1_~data~2#1|) 0)) [2023-11-06 22:06:18,050 INFO L899 garLoopResultBuilder]: For program point L1548(lines 1548 1578) no Hoare annotation was computed. [2023-11-06 22:06:18,050 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1569) no Hoare annotation was computed. [2023-11-06 22:06:18,050 INFO L899 garLoopResultBuilder]: For program point L1631(line 1631) no Hoare annotation was computed. [2023-11-06 22:06:18,051 INFO L895 garLoopResultBuilder]: At program point L1598(line 1598) the Hoare annotation is: (and |ULTIMATE.start_goodB2G2_#t~switch125#1| (<= 0 (+ |ULTIMATE.start_goodB2G2_~data~1#1| 2147483647)) (<= |ULTIMATE.start_goodB2G2_~data~1#1| 2147483647)) [2023-11-06 22:06:18,051 INFO L899 garLoopResultBuilder]: For program point L1598-1(line 1598) no Hoare annotation was computed. [2023-11-06 22:06:18,051 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-06 22:06:18,051 INFO L895 garLoopResultBuilder]: At program point L1632(line 1632) the Hoare annotation is: false [2023-11-06 22:06:18,051 INFO L899 garLoopResultBuilder]: For program point L1566(line 1566) no Hoare annotation was computed. [2023-11-06 22:06:18,052 INFO L902 garLoopResultBuilder]: At program point L1649(lines 1649 1660) the Hoare annotation is: true [2023-11-06 22:06:18,052 INFO L899 garLoopResultBuilder]: For program point L1616(line 1616) no Hoare annotation was computed. [2023-11-06 22:06:18,052 INFO L895 garLoopResultBuilder]: At program point L1583(lines 1583 1591) the Hoare annotation is: (and |ULTIMATE.start_goodB2G2_#t~switch112#1| (<= |ULTIMATE.start_goodB2G2_~data~1#1| 2147483647)) [2023-11-06 22:06:18,052 INFO L899 garLoopResultBuilder]: For program point L1567(lines 1567 1575) no Hoare annotation was computed. [2023-11-06 22:06:18,052 INFO L895 garLoopResultBuilder]: At program point L1617(line 1617) the Hoare annotation is: false [2023-11-06 22:06:18,055 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2023-11-06 22:06:18,056 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1627) no Hoare annotation was computed. [2023-11-06 22:06:18,056 INFO L899 garLoopResultBuilder]: For program point L1651(line 1651) no Hoare annotation was computed. [2023-11-06 22:06:18,056 INFO L899 garLoopResultBuilder]: For program point L1585(line 1585) no Hoare annotation was computed. [2023-11-06 22:06:18,056 INFO L895 garLoopResultBuilder]: At program point L1552(lines 1552 1560) the Hoare annotation is: (and (<= |ULTIMATE.start_goodB2G1_~data~0#1| 2147483647) |ULTIMATE.start_goodB2G1_#t~switch98#1|) [2023-11-06 22:06:18,057 INFO L895 garLoopResultBuilder]: At program point L1602(line 1602) the Hoare annotation is: (and |ULTIMATE.start_goodB2G2_#t~switch125#1| (<= |ULTIMATE.start_goodB2G2_~data~1#1| 2147483647)) [2023-11-06 22:06:18,057 INFO L899 garLoopResultBuilder]: For program point L1569(line 1569) no Hoare annotation was computed. [2023-11-06 22:06:18,057 INFO L899 garLoopResultBuilder]: For program point L1569-1(line 1569) no Hoare annotation was computed. [2023-11-06 22:06:18,057 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1627) no Hoare annotation was computed. [2023-11-06 22:06:18,057 INFO L899 garLoopResultBuilder]: For program point L1619(line 1619) no Hoare annotation was computed. [2023-11-06 22:06:18,058 INFO L899 garLoopResultBuilder]: For program point L1586(line 1586) no Hoare annotation was computed. [2023-11-06 22:06:18,058 INFO L899 garLoopResultBuilder]: For program point L1586-1(line 1586) no Hoare annotation was computed. [2023-11-06 22:06:18,058 INFO L899 garLoopResultBuilder]: For program point L1586-3(line 1586) no Hoare annotation was computed. [2023-11-06 22:06:18,058 INFO L899 garLoopResultBuilder]: For program point L1586-5(line 1586) no Hoare annotation was computed. [2023-11-06 22:06:18,058 INFO L899 garLoopResultBuilder]: For program point L1586-7(line 1586) no Hoare annotation was computed. [2023-11-06 22:06:18,058 INFO L899 garLoopResultBuilder]: For program point L1586-8(line 1586) no Hoare annotation was computed. [2023-11-06 22:06:18,059 INFO L899 garLoopResultBuilder]: For program point L1586-10(line 1586) no Hoare annotation was computed. [2023-11-06 22:06:18,059 INFO L899 garLoopResultBuilder]: For program point L1586-12(line 1586) no Hoare annotation was computed. [2023-11-06 22:06:18,059 INFO L899 garLoopResultBuilder]: For program point L1586-14(line 1586) no Hoare annotation was computed. [2023-11-06 22:06:18,059 INFO L899 garLoopResultBuilder]: For program point L1636(lines 1636 1661) no Hoare annotation was computed. [2023-11-06 22:06:18,059 INFO L895 garLoopResultBuilder]: At program point L1570(line 1570) the Hoare annotation is: (and (<= 0 (+ 2147483647 |ULTIMATE.start_goodB2G1_~data~0#1|)) |ULTIMATE.start_goodB2G1_#t~switch111#1| (<= |ULTIMATE.start_goodB2G1_~data~0#1| 2147483647)) [2023-11-06 22:06:18,060 INFO L899 garLoopResultBuilder]: For program point L1586-16(line 1586) no Hoare annotation was computed. [2023-11-06 22:06:18,060 INFO L899 garLoopResultBuilder]: For program point L1570-1(line 1570) no Hoare annotation was computed. [2023-11-06 22:06:18,061 INFO L899 garLoopResultBuilder]: For program point L1586-18(line 1586) no Hoare annotation was computed. [2023-11-06 22:06:18,061 INFO L899 garLoopResultBuilder]: For program point L1586-20(line 1586) no Hoare annotation was computed. [2023-11-06 22:06:18,061 INFO L899 garLoopResultBuilder]: For program point L1586-22(line 1586) no Hoare annotation was computed. [2023-11-06 22:06:18,061 INFO L899 garLoopResultBuilder]: For program point L1586-23(line 1586) no Hoare annotation was computed. [2023-11-06 22:06:18,061 INFO L899 garLoopResultBuilder]: For program point L1586-25(line 1586) no Hoare annotation was computed. [2023-11-06 22:06:18,062 INFO L899 garLoopResultBuilder]: For program point L1586-27(line 1586) no Hoare annotation was computed. [2023-11-06 22:06:18,062 INFO L899 garLoopResultBuilder]: For program point L1586-29(line 1586) no Hoare annotation was computed. [2023-11-06 22:06:18,062 INFO L899 garLoopResultBuilder]: For program point L1653(line 1653) no Hoare annotation was computed. [2023-11-06 22:06:18,062 INFO L899 garLoopResultBuilder]: For program point L1586-30(line 1586) no Hoare annotation was computed. [2023-11-06 22:06:18,062 INFO L899 garLoopResultBuilder]: For program point L1653-1(line 1653) no Hoare annotation was computed. [2023-11-06 22:06:18,063 INFO L899 garLoopResultBuilder]: For program point L1554(line 1554) no Hoare annotation was computed. [2023-11-06 22:06:18,069 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:06:18,073 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-06 22:06:18,089 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~switch126 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement [2023-11-06 22:06:18,092 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~switch126 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement [2023-11-06 22:06:18,095 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~switch111 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement [2023-11-06 22:06:18,101 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~switch111 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement [2023-11-06 22:06:18,102 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~switch112 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement [2023-11-06 22:06:18,102 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~switch112 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement [2023-11-06 22:06:18,103 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~switch98 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement [2023-11-06 22:06:18,103 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~switch98 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement [2023-11-06 22:06:18,103 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~switch127 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement [2023-11-06 22:06:18,104 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~switch127 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement [2023-11-06 22:06:18,104 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~switch125 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement [2023-11-06 22:06:18,105 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~switch125 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement [2023-11-06 22:06:18,106 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 10:06:18 BoogieIcfgContainer [2023-11-06 22:06:18,106 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-06 22:06:18,107 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-06 22:06:18,107 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-06 22:06:18,107 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-06 22:06:18,108 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:06:14" (3/4) ... [2023-11-06 22:06:18,113 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-06 22:06:18,118 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2023-11-06 22:06:18,119 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2023-11-06 22:06:18,137 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2023-11-06 22:06:18,137 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2023-11-06 22:06:18,138 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-06 22:06:18,139 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-06 22:06:18,140 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-06 22:06:18,301 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29ade69e-9ad2-4955-bbae-8f1ae024fc77/bin/uautomizer-verify-WvqO1wxjHP/witness.graphml.graphml [2023-11-06 22:06:18,320 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29ade69e-9ad2-4955-bbae-8f1ae024fc77/bin/uautomizer-verify-WvqO1wxjHP/witness.graphml.yaml [2023-11-06 22:06:18,320 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-06 22:06:18,321 INFO L158 Benchmark]: Toolchain (without parser) took 7031.36ms. Allocated memory was 123.7MB in the beginning and 161.5MB in the end (delta: 37.7MB). Free memory was 89.0MB in the beginning and 44.8MB in the end (delta: 44.2MB). Peak memory consumption was 84.3MB. Max. memory is 16.1GB. [2023-11-06 22:06:18,322 INFO L158 Benchmark]: CDTParser took 0.46ms. Allocated memory is still 123.7MB. Free memory is still 98.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:06:18,322 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1814.42ms. Allocated memory was 123.7MB in the beginning and 161.5MB in the end (delta: 37.7MB). Free memory was 89.0MB in the beginning and 103.2MB in the end (delta: -14.1MB). Peak memory consumption was 51.4MB. Max. memory is 16.1GB. [2023-11-06 22:06:18,323 INFO L158 Benchmark]: Boogie Procedure Inliner took 157.62ms. Allocated memory is still 161.5MB. Free memory was 103.2MB in the beginning and 99.8MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 22:06:18,323 INFO L158 Benchmark]: Boogie Preprocessor took 69.74ms. Allocated memory is still 161.5MB. Free memory was 99.8MB in the beginning and 98.1MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 22:06:18,324 INFO L158 Benchmark]: RCFGBuilder took 916.16ms. Allocated memory is still 161.5MB. Free memory was 97.7MB in the beginning and 75.1MB in the end (delta: 22.6MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2023-11-06 22:06:18,324 INFO L158 Benchmark]: TraceAbstraction took 3841.69ms. Allocated memory is still 161.5MB. Free memory was 126.4MB in the beginning and 52.2MB in the end (delta: 74.2MB). Peak memory consumption was 73.1MB. Max. memory is 16.1GB. [2023-11-06 22:06:18,325 INFO L158 Benchmark]: Witness Printer took 213.69ms. Allocated memory is still 161.5MB. Free memory was 52.2MB in the beginning and 44.8MB in the end (delta: 7.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-06 22:06:18,327 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.46ms. Allocated memory is still 123.7MB. Free memory is still 98.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1814.42ms. Allocated memory was 123.7MB in the beginning and 161.5MB in the end (delta: 37.7MB). Free memory was 89.0MB in the beginning and 103.2MB in the end (delta: -14.1MB). Peak memory consumption was 51.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 157.62ms. Allocated memory is still 161.5MB. Free memory was 103.2MB in the beginning and 99.8MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 69.74ms. Allocated memory is still 161.5MB. Free memory was 99.8MB in the beginning and 98.1MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 916.16ms. Allocated memory is still 161.5MB. Free memory was 97.7MB in the beginning and 75.1MB in the end (delta: 22.6MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * TraceAbstraction took 3841.69ms. Allocated memory is still 161.5MB. Free memory was 126.4MB in the beginning and 52.2MB in the end (delta: 74.2MB). Peak memory consumption was 73.1MB. Max. memory is 16.1GB. * Witness Printer took 213.69ms. Allocated memory is still 161.5MB. Free memory was 52.2MB in the beginning and 44.8MB 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.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #t~switch126 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #t~switch126 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #t~switch111 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #t~switch111 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #t~switch112 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #t~switch112 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #t~switch98 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #t~switch98 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #t~switch127 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #t~switch127 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #t~switch125 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #t~switch125 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement * 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: 1569]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1569]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1597]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1597]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1627]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1627]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1653]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1653]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 117 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 3.7s, OverallIterations: 17, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 270 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 249 mSDsluCounter, 4313 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1999 mSDsCounter, 8 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 75 IncrementalHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 8 mSolverCounterUnsat, 2314 mSDtfsCounter, 75 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 127 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=117occurred in iteration=0, InterpolantAutomatonStates: 51, 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, 17 MinimizatonAttempts, 10 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 27 LocationsWithAnnotation, 89 PreInvPairs, 106 NumberOfFragments, 91 HoareAnnotationTreeSize, 89 FomulaSimplifications, 35 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 27 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 697 NumberOfCodeBlocks, 697 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 680 ConstructedInterpolants, 0 QuantifiedInterpolants, 768 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 17 InterpolantComputations, 17 PerfectInterpolantSequences, 128/128 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 8 specifications checked. All of them hold - InvariantResult [Line: 1614]: Loop Invariant [2023-11-06 22:06:18,350 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~switch126 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement [2023-11-06 22:06:18,350 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~switch126 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement Derived loop invariant: ((2 + data) == 0) - InvariantResult [Line: 1669]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1640]: Loop Invariant Derived loop invariant: ((data + 2) == 0) - InvariantResult [Line: 1561]: Loop Invariant [2023-11-06 22:06:18,351 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~switch111 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement [2023-11-06 22:06:18,351 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~switch111 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement Derived loop invariant: (data <= 2147483647) - InvariantResult [Line: 1583]: Loop Invariant [2023-11-06 22:06:18,352 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~switch112 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement [2023-11-06 22:06:18,353 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~switch112 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement Derived loop invariant: (data <= 2147483647) - InvariantResult [Line: 1552]: Loop Invariant [2023-11-06 22:06:18,353 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~switch98 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement [2023-11-06 22:06:18,353 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~switch98 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement Derived loop invariant: (data <= 2147483647) - InvariantResult [Line: 1623]: Loop Invariant [2023-11-06 22:06:18,355 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~switch127 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement [2023-11-06 22:06:18,357 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~switch127 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement Derived loop invariant: (0 <= (2 + data)) - InvariantResult [Line: 1592]: Loop Invariant [2023-11-06 22:06:18,384 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~switch125 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement [2023-11-06 22:06:18,385 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~switch125 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement Derived loop invariant: (data <= 2147483647) - InvariantResult [Line: 1649]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2023-11-06 22:06:18,401 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29ade69e-9ad2-4955-bbae-8f1ae024fc77/bin/uautomizer-verify-WvqO1wxjHP/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